CN103634864A

CN103634864A - Multimode wireless terminal and circuit domain fallback method thereof

Info

Publication number: CN103634864A
Application number: CN201310719887.5A
Authority: CN
Inventors: 李力游; 康一; 董霄剑; 许佰魁
Original assignee: Spreadtrum Communications Shanghai Co Ltd
Current assignee: Spreadtrum Communications Shanghai Co Ltd
Priority date: 2013-12-23
Filing date: 2013-12-23
Publication date: 2014-03-12
Anticipated expiration: 2033-12-23
Also published as: CN103634864B

Abstract

The invention relates to a wireless communication field, and discloses a multimode wireless terminal and a circuit domain fallback method thereof. According to the multimode wireless terminal and the circuit domain fallback method thereof, the method of the circuit domain fallback method comprises the steps: when a second communication mode is in an idle state, a first communication mode exclusively occupies a first antenna group, the first communication mode and a second communication mode share a second antenna group, and the second communication mode maintains cell information of the second communication mode through the shared second antenna group; when the second communication mode originates a circuit domain call, the connection is directly established according to the cell information, which is maintained by the shared second antenna group, of the second communication mode; when the second communication mode is in a connected state, the second communication mode exclusively occupies the second antenna group for circuit domain voice communication, and the first communication mode exclusively occupies the first antenna group. According to the multimode wireless terminal and the circuit domain fallback method thereof, when circuit domain fallback from the first communication mode to the second communication mode exists in the communication process, the establishment time delay of the circuit domain fallback call is greatly reduced, and voice and data service communications can be realized simultaneously.

Description

Multi-module radio terminal and circuit domain dropping method thereof

Technical field

The present invention relates to wireless communication field, particularly multi-module radio terminal.

Background technology

Flourish along with various internet, applications, the existing third generation (3G, 3Generation) communication network can not meet the growing demand of people.Wireless communication system presents the development trend of mobile, broadband and interconnected networking day by day, under this situation, as the 4th generation (4G, 4Generation) the LTE(Long Term Evolution of the communication technology, i.e. 3GPP(third generation partner program) Long Term Evolution project) become following direction of network evolution.

LTE network is based on full Internet protocol (IP, Internet Protocol) framework, can only provide based on packet domain (PS, Packet Switched) ip voice (VoIP, Voice over IP) business, because LTE network does not possess calling and the Service control ability of session service, so need to provide by the IP Multimedia System (IMS, IP Multimedia Subsystem) of core net the control function of session service.

The deployment of LTE network and IMS network is individual process progressively.At the LTE network networking initial stage, for guaranteeing the continuity of speech business ability, a kind of implementation is to adopt circuit domain dropping (CSFB, Circuit Switched FallBack) transition sound result scheme, basic principle is that terminal resides in LTE network, first gravity treatment before audio call is set up/switch to 2G/3G, by 2G/3G network, provide speech business, after speech business finishes, turn back to LTE network, wherein, 2G is the abbreviation of second generation mobile communication technical specification again.CSFB concrete scheme and handling process please refer to the agreements such as 3GPP23.272,3GPP24.301 and 3GPP23.401.

Present inventor is through research discovery, and for the CSFB scheme of existing protocol standard definition, subject matter has:

(1) audio call is long settling time.With respect to traditional 2G/3G audio call, when in CSFB scheme, terminal falls back to 2G/3G network from LTE, existence is to extra processes such as the measurement of 2G/3G Target cell, synchronous and system message read, even comprise location area updating (LU) process, cause call through time delay to increase by 1～4 second, and then cause whole time of call established length even may surpass 10 seconds, poor user experience.In addition, call set-up time increases, the risk that also exists call setup success rate to reduce;

(2) after end of conversation, return to the LTE time long.Speech business, after 2G/3G network finishes, is returned to LTE network by reselection modes, has second unreachable time of level, and terminal cannot communicate business, affects user and experiences;

(3) if fall GSM(Global System of Mobile Communication, global system for mobile communications after rise), voice-and-data business can not be concurrent.Current most of 2G network is not supported double-transmission mode (DTM, Dual Transfer Mode), only has speech business after falling back to GSM, cannot support voice and data service concurrent, affect user and experience.For China Mobile, because 3G network overlay area is limited, so a proposed projects of China Mobile is exactly that CSFB falls back to GSM network, by GSM network bearing voice service;

(3) if fall GSM after rise, because voice-and-data business can not be concurrent, the calling and called business of PS all cannot be carried out.

Summary of the invention

The object of the present invention is to provide a kind of multi-module radio terminal and circuit domain dropping method thereof, can be when occurring the first communication pattern to the circuit domain dropping of second communication pattern, greatly reduce circuit domain dropping calling establishment time delay, and realize voice-and-data service communication simultaneously.

For solving the problems of the technologies described above, embodiments of the present invention disclose a kind of multi-module radio terminal circuit domain dropping method, this wireless terminal is at least supported the first communication pattern and second communication pattern, second communication pattern is supported circuit domain business, network support first communication pattern at this wireless terminal place is to the circuit domain dropping of second communication pattern, this wireless terminal at least comprises the first and second antenna sets, comprises respectively at least one antenna in the first and second antenna sets, and method comprises the following steps:

When second communication pattern is during in idle condition, the first communication pattern is monopolized the first antenna sets, and the first and second communication patterns share the second antenna sets, and second communication pattern is safeguarded the cell information of second communication pattern by the second antenna sets sharing;

When second communication pattern is initiated circuit domain call, according to the cell information of the second communication pattern of safeguarding by the second antenna sets sharing, directly connect;

When second communication pattern is during in connection status, by second communication pattern, to monopolize the second antenna sets and carry out circuit domain business, the first communication pattern is monopolized the first antenna sets.

Embodiments of the present invention also disclose a kind of multi-module radio terminal, and network support first communication pattern at this multi-module radio terminal place is to the circuit domain dropping of second communication pattern, and this multi-module radio terminal comprises with lower module:

First communication module, for realizing the communication of the first communication pattern;

Second communication module, for realizing the communication of second communication pattern, and this module is supported circuit domain business;

The first and second antenna sets, comprise respectively at least one antenna in the first and second antenna sets;

Antenna sets distribution module, is used to the first and second communication modules to divide to match the right to use of the first and second antenna sets, wherein,

When second communication pattern is during in idle condition, first communication module is monopolized the first antenna sets, and the first and second communication modules share the second antenna sets, and second communication module is safeguarded the cell information of second communication module by the second antenna sets sharing,

When second communication pattern is during in connection status, by second communication module, to monopolize the second antenna sets and carry out circuit domain business, first communication module is monopolized the first antenna sets;

Call connection module, for when second communication module is initiated circuit domain call, directly connects according to the cell information of the second communication module of safeguarding by the second antenna sets sharing.

Compared with prior art, the main distinction and effect thereof are embodiment of the present invention:

Originally can only support the antenna resource of the first communication pattern, the shared mode of the multimode of part antenna is realized to the standby of second communication pattern, safeguard the cell information of second communication pattern, when occurring the first communication pattern to the circuit domain dropping of second communication pattern, second communication mode cell information with current maintenance directly connects, saved available circuit domain dropping requisite to processes such as the cell measurement of second communication pattern, cell synchronous, read system message and location area updatings, so greatly reduce circuit domain dropping calling establishment time delay.Because the first antenna is always for the first communication pattern, thus cannot support voice and data service when concurrent in second communication pattern, still can realize concurrent data communication by the first communication pattern.

Further, wireless terminal reports the circuit domain dropping ability of standard to network side, preferably compatible existing circuit domain dropping agreement.

Further, wireless terminal reports the circuit domain dropping ability of expansion to network side, can informing network side coordinates and realizes under the first communication pattern the concurrent of circuit domain business under packet switch domain service and second communication pattern.

Further, two kinds of communication patterns share the second antenna sets in time-multiplexed mode, divide multiplexingly with respect to merit, can reduce the loss of signal of 3dB left and right.

Further, when two kinds of communication patterns change to the occupation mode of two antenna sets, adjust the data transfer mode of wireless terminal and network side, the transmission quality of two kinds of communication patterns can be guaranteed.

Accompanying drawing explanation

Fig. 1 is the schematic flow sheet of a kind of multi-module radio terminal circuit domain dropping method in the present invention;

Fig. 2 is the structural representation of a kind of multi-module radio terminal in the present invention;

Fig. 3 is the structural representation of a kind of multi-module radio terminal in the present invention;

Fig. 4 is the structural representation of a kind of multi-module radio terminal in the present invention;

Fig. 5 is the structural representation of a kind of multi-module radio terminal in the present invention;

Fig. 6 is the structural representation of a kind of multi-module radio terminal in the present invention;

Fig. 7 is the structural representation of a kind of multi-module radio terminal in the present invention;

Fig. 8 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Fig. 9 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Figure 10 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Figure 11 A is a kind of schematic flow sheet of initiating circuit domain call in prior art;

Figure 11 B is a kind of schematic flow sheet of initiating circuit domain call in the present invention;

Figure 12 is the structural representation of a kind of multi-module radio terminal in the present invention;

Figure 13 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Figure 14 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Figure 15 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Figure 16 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Figure 17 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Figure 18 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Figure 19 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Figure 20 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Figure 21 is the schematic flow sheet of a kind of method of mobile communication based on multi-module radio terminal in the present invention;

Embodiment

In the following description, in order to make reader understand the application better, many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs and the many variations based on following execution mode and modification, also can realize each claim of the application technical scheme required for protection.

For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.

Fig. 1 is the schematic flow sheet of a kind of multi-module radio terminal circuit domain dropping method in the present invention.Wireless terminal in this method is at least supported the first communication pattern and second communication pattern, second communication pattern is supported circuit domain business, network support first communication pattern at this wireless terminal place is to the circuit domain dropping of second communication pattern, this wireless terminal at least comprises the first and second antenna sets, in the first and second antenna sets, comprise respectively at least one antenna, two antenna sets numbers can be the same or different.The first communication pattern is LTE communication pattern, and second communication pattern is 2G or 3G communication pattern.

In addition, be appreciated that in some other examples of the present invention, the first communication pattern and second communication pattern can be also other combinations, and for example, the first communication pattern is 3G, and second communication pattern is 2G.The first communication pattern is the communication pattern for data, and second communication pattern is the communication pattern for voice, and the first communication pattern or second communication pattern can be even certain following communication patterns, etc.

Specifically, as shown in Figure 1, this multi-module radio terminal circuit domain dropping method method comprises the following steps:

In step 10, the current residing state of judgement second communication pattern, if second communication pattern, in idle condition, enters step 20; If second communication pattern is initiated circuit domain call, enter step 30; If second communication pattern, in connection status, enters step 40.

In each embodiment of the application, alleged idle condition is holding state.In the method, circuit domain call is voice caller or speech called or supplementary service or unstructured supplementary service business.

In step 20, when second communication pattern is during in idle condition, the first communication pattern is monopolized the first antenna sets, and the first and second communication patterns share the second antenna sets, and second communication pattern is safeguarded the cell information of second communication pattern by the second antenna sets sharing.

In this step, second communication pattern, when idle condition, only receives the beep-page message of second communication pattern by the first communication pattern.

In the method, the first and second communication patterns share the second antenna sets and refer to first and second communication pattern time division multiplexing the second antenna sets.

In addition, be appreciated that, in some other examples of the present invention, the first and second communication patterns also can share the second antenna sets in other mode, for example merit is divided multiplexing, the unit or the module that realize the first communication pattern are connected with the second antenna sets with the unit or the module that realize second communication pattern simultaneously, a part of power in the second antenna sets belongs to the signal of the first communication pattern, another part power belongs to the signal of second communication pattern, the unit or the module that realize the first and second communication patterns filter out one's own signal more in some way from the signal mixing.Yet two kinds of communication patterns share the second antenna sets in time-multiplexed mode, with respect to merit, divide multiplexingly, can reduce the loss of signal of 3dB left and right.

In addition, in this step, one of in the following manner or its combination in any realize the maintenance of cell information:

The cell measurement of second communication pattern, the cell synchronous of second communication pattern, the system message of second communication pattern reads, and the location area updating of second communication pattern.

In step 30, when second communication pattern is initiated circuit domain call, according to the cell information of the second communication pattern of safeguarding by the second antenna sets sharing, directly connect.

In this step, do not use the cell information of Target cell the redirect message that this wireless terminal receives from network side.Be appreciated that wireless terminal can normally receive redirect message so that compatible existing protocol from network side, but will not use when second communication Model Establishment connects target cell information wherein.In other embodiments of the invention, also can use the cell information of Target cell the redirect message that this wireless terminal receives from network side.

In step 40, when second communication pattern is during in connection status, by second communication pattern, to monopolize the second antenna sets and carry out circuit domain business, the first communication pattern is monopolized the first antenna sets.

In addition, this method is further comprising the steps of:

This wireless terminal reports circuit domain dropping ability to network side; Or this wireless terminal reports the circuit domain dropping ability of expansion to network side, this wireless terminal of informing network side is supported under the first communication pattern the concurrent of circuit domain business under packet switch domain service and second communication pattern.

In this step, this wireless terminal reports the circuit domain dropping ability of expansion by Attach Request message or tracing section updating message to network side.In some other example of the present invention, also can use the circuit domain dropping ability of other information reporting expansion, the newly-increased message that for example circuit domain dropping agreement does not have at present.

Be appreciated that wireless terminal reports the circuit domain dropping ability of standard to network side, preferably compatible existing circuit domain dropping agreement; And wireless terminal reports the circuit domain dropping ability of expansion to network side, can informing network side coordinate and realize under the first communication pattern the concurrent of circuit domain business under packet switch domain service and second communication pattern.

This method is further comprising the steps:

When one of following condition occurs, adjust the data transfer mode of this wireless terminal and network side, to guarantee quality of service:

In the first communication pattern and second communication pattern all in connection status in the situation that, when second communication pattern transfers idle condition to; At the first communication pattern in connection status and second communication pattern in idle condition in the situation that, when second communication pattern transfers connection status to.

Preferably, the data transfer mode of adjusting this wireless terminal and network side comprises:

End side is upgraded antenna measurement configuration; Based on antenna measurement configuration, carry out descending CPR measurement; The measurement result that descending CPR is measured reports to network side; Reception, from the transmission means Reconfigurations of network side, is upgraded the transmission means of end side.

When two kinds of communication patterns change to the occupation mode of two antenna sets, adjust the data transfer mode of wireless terminal and network side, the transmission quality of two kinds of communication patterns can be guaranteed.

In the method, the first antenna sets is a main antenna, and the second antenna sets is a diversity antenna.

In addition, be appreciated that in the first and second antenna sets, only having separately an antenna is a kind of preferred situation, but the application's embodiment is not limited to this situation, in each antenna sets, also can has two or more antenna.

In each embodiment of the application, certain antenna sets is monopolized by certain communication pattern the antenna referring in this antenna sets and is monopolized by this communication pattern, and certain antenna sets is referred to that by two communication pattern time division multiplexinges antenna in this antenna sets is by two communication pattern time division multiplexinges.

According to existing circuit domain dropping agreement, network side is can to wireless terminal, not send beep-page message by second communication pattern, the beep-page message of second communication pattern is sent by the first communication pattern, so while safeguarding the cell information of second communication pattern just to second communication pattern carry out cell measurement, cell synchronous, system message reads and location area updating etc., can directly not pass through second communication pattern paging receiving message, this has obvious difference with two standbies.

In the present invention, originally can only support the antenna resource of the first communication pattern, the shared mode of the multimode of part antenna is realized to the standby of second communication pattern, safeguard the cell information of second communication pattern, when occurring the first communication pattern to the circuit domain dropping of second communication pattern, second communication mode cell information with current maintenance directly connects, saved the requisite cell measurement to second communication pattern of available circuit domain dropping, cell synchronous, read system message, with processes such as location area updatings, so greatly reduce circuit domain dropping calling establishment time delay.Because the first antenna is always for the first communication pattern, thus cannot support voice and data service when concurrent in second communication pattern, still can realize concurrent data communication by the first communication pattern.

Each method execution mode of the present invention or embodiment all can realize in modes such as software, hardware, firmwares.No matter the present invention realizes with software, hardware or firmware mode, instruction code can be stored in the memory of computer-accessible of any type (for example permanent or revisable, volatibility or non-volatile, solid-state or non-solid-state, fixing or removable medium etc.).Equally, memory can be for example programmable logic array (Programmable Array Logic, be called for short " PAL "), random access memory (Random Access Memory, be called for short " RAM "), programmable read only memory (Programmable Read Only Memory, be called for short " PROM "), read-only memory (Read-Only Memory, be called for short " ROM "), Electrically Erasable Read Only Memory (Electrically Erasable Programmable ROM, be called for short " EEPROM "), disk, CD, digital versatile disc (Digital Versatile Disc, be called for short " DVD ") etc.

A kind of multi-module radio terminal in the present invention is described below.Specifically, network support first communication pattern at this multi-module radio terminal place is to the circuit domain dropping of second communication pattern, and this multi-module radio terminal comprises with lower module:

First communication module, for realizing the communication of the first communication pattern.

Second communication module, for realizing the communication of second communication pattern, and this module is supported circuit domain business.

The first and second antenna sets, comprise respectively at least one antenna in the first and second antenna sets, two antenna sets numbers can be the same or different.

Antenna sets distribution module, be used to the first and second communication modules to divide to match the right to use of the first and second antenna sets, wherein, when second communication pattern is during in idle condition, first communication module is monopolized the first antenna sets, the first and second communication modules share the second antenna sets, and second communication module is safeguarded the cell information of second communication module by the second antenna sets sharing; When second communication mould is during in connection status, by second communication module, to monopolize the second antenna sets and carry out circuit domain business, first communication module is monopolized the first antenna sets.

Call connection module, for when second communication module is initiated circuit domain call, directly connects according to the cell information of the second communication module of safeguarding by the second antenna sets sharing.This call connection module is not used the cell information of Target cell the redirect message that this wireless terminal receives from network side.Be appreciated that wireless terminal can normally receive redirect message so that compatible existing protocol from network side, but will not use when second communication Model Establishment connects target cell information wherein.In other embodiments of the invention, also can use the cell information of Target cell the redirect message that this wireless terminal receives from network side.

The first reporting module or the second reporting module, wherein, the first reporting module is for reporting circuit domain dropping ability to network side, the second reporting module is for reporting the circuit domain dropping ability of expansion by Attach Request message or tracing section updating message to network side, this wireless terminal of informing network side is supported under the first communication pattern the concurrent of circuit domain business under packet switch domain service and second communication pattern.

The first reporting module reports the circuit domain dropping ability of standard to network side, preferably compatible existing circuit domain dropping agreement.And the second reporting module reports the circuit domain dropping ability of expansion to network side, can informing network side coordinate and realize under the first communication pattern the concurrent of circuit domain business under packet switch domain service and second communication pattern.

In addition, be appreciated that in some other example of the present invention, also can use the circuit domain dropping ability of other information reporting expansion, the newly-increased message that for example circuit domain dropping agreement does not have at present.

In this example, the first and second communication modules share the second antenna sets and refer to first and second communication module time division multiplexing the second antenna sets.

In addition, be appreciated that, in some other examples of the present invention, the first and second communication modules also can share the second antenna sets in other mode, for example merit is divided multiplexing, be that first communication module is connected with the second antenna sets with second communication module simultaneously, a part of power in the second antenna sets belongs to the signal of first communication module, another part power belongs to the signal of second communication module, and the first and second communication modules filter out one's own signal more in some way from the signal mixing.Yet two kinds of communication modules share the second antenna sets in time-multiplexed mode, with respect to merit, divide multiplexingly, can reduce the loss of signal of 3dB left and right.

In this example, circuit domain call is voice caller or speech called or supplementary service or unstructured supplementary service business.The first communication pattern is LTE communication pattern, and second communication pattern is 2G or 3G communication pattern.

In each execution mode of the application, alleged idle condition is holding state, certain antenna sets is monopolized by certain communication pattern the antenna referring in this antenna sets and is monopolized by this communication pattern, and certain antenna sets is referred to that by two communication module time division multiplexinges antenna in this antenna sets is by two communication module time division multiplexinges.

In addition, be appreciated that, according to existing circuit domain dropping agreement, network side is can to wireless terminal, not send beep-page message by second communication module, beep-page message to second communication module sends by first communication module, so while safeguarding the cell information of second communication module just to second communication module carry out cell measurement, cell synchronous, system message reads and location area updating etc., can directly not pass through second communication module paging receiving message, this has obvious difference with two standbies.

Originally can only support the antenna resource of the first communication pattern, the shared mode of the multimode of part antenna is realized to the standby of second communication module, safeguard the cell information of second communication module, when occurring the first communication pattern to the circuit domain dropping of second communication pattern, cell information with the second communication module of current maintenance directly connects, saved the requisite cell measurement to second communication module of available circuit domain dropping, cell synchronous, read system message, with processes such as location area updatings, so greatly reduce circuit domain dropping calling establishment time delay.Because the first antenna is always for first communication module, thus cannot support voice and data service when concurrent at second communication module, still can realize concurrent data communication by first communication module.

It should be noted that, each unit or the module in each equipment execution mode of the present invention, mentioned are all logical block or module, physically, logical block or module can be a physical location or module, also can be a part for a physical location or module, can also realize with the combination of a plurality of physical locations or module, the physics realization mode of these logical blocks or module itself is not most important, and the combination of the function that these logical blocks or module realize is only the key that solves technical problem proposed by the invention.In addition, for outstanding innovation part of the present invention, above-mentioned each equipment execution mode of the present invention is not introduced the unit not too close with solving technical problem relation proposed by the invention or module, and this does not show that the said equipment execution mode does not exist other unit or module.

Referring to Fig. 2, is the structural representation of a kind of multi-module radio terminal in the present invention.

Wireless terminal comprises communication unit 110, be suitable for the antenna combination 120 and the antenna switch unit 130 that couple with described communication unit 110.Described antenna switch unit 130, between communication unit 110 and antenna combination 120, is suitable for switching the coupling mode between described antenna combination 120 and communication unit 110.

Wherein, described communication unit 110 is suitable for working under at least two kinds of communication patterns; Described antenna combination 120 optionally works in the combination of different communication modes or different communication modes; Described antenna switch unit 130 is configured to switch the coupling mode between described antenna combination 120 and communication unit 110, to mate the residing communication pattern of described communication unit 110 and type of service thereof.

In a kind of specific implementation, described communication unit 110 is configured to possess the ability of working under the first communication pattern and/or second communication pattern.Wherein, under the first communication pattern, communication unit 110 is suitable for processing packet switch domain service; Under second communication pattern, communication unit 110 is suitable for processing circuit domain service, packet switch domain service or packet domain and circuit domain voice and packet data concurrent service; Under the communication pattern combination of the first communication pattern and second communication pattern, communication unit 110 is suitable for processing packet switch domain service under the first communication pattern, and under second communication pattern processing circuit domain service, or standby is in the first communication pattern and second communication pattern, or under the first communication pattern in connection status and standby in second communication pattern.

Between described antenna combination 120 and communication unit 110, at least possess two kinds of coupling mode.

For example, under a kind of coupling mode, antenna combination 120 can coordinate communication unit 110 to work in second communication pattern.Under this kind of coupling mode, antenna combination 120 also can coordinate communication unit 110 to work in the first communication pattern and second communication pattern simultaneously, thereby can realize simultaneously standby in the first communication pattern and second communication pattern, or also can carry out business under the first communication pattern and the business under second communication pattern simultaneously.

It will be appreciated by those skilled in the art that, in present specification, described work in simultaneously the first communication pattern and second communication pattern or with it similarly statement do not form the restriction to the application, can also adopt other mode to realize antenna combination and be shared by the first communication pattern and second communication pattern.For example antenna combination also can adopt the mode of time-division to work in the first communication pattern and second communication pattern.

Under a kind of coupling mode, antenna combination 120 can coordinate communication unit 110 to work in the first communication pattern and second communication pattern simultaneously, thereby can carry out business under the first communication pattern simultaneously and realize the standby under second communication pattern, or also standby simultaneously in the first communication pattern and second communication pattern.

Under a kind of coupling mode, antenna combination 120 coordinates communication unit 110 to work in the first communication pattern.

Antenna switch unit 130 is according to the residing communication pattern of communication unit 110 and type of service thereof, dynamically the coupling mode between switched antenna combination 120 and communication unit 110.

Wherein, described the first communication pattern can be 4G communication pattern, as LTE communication pattern, include but not limited to FDD-LTE(FDD, Frequency Division Duplexing (FDD), a kind of pattern of LTE communication standard), TDD-LTE(TDD, time division duplex, a kind of pattern of LTE communication standard) etc.Described second communication pattern can be 2G/3G communication pattern, include but not limited to GSM, CDMA(code division multiple access, Code Division Multiple Access), WCDMA(Wideband Code Division Multiple Access (WCDMA), Wideband Code Division Multiple Access), CDMA2000(CDMA 2000, Code Division Multiple Access2000, for 3G mobile communication standard), TD-SCDMA(TD SDMA, Time Division-Synchronous Code Division Multiple Access) etc.

In another kind of specific implementation, described communication unit 110 is configured to possess the ability of working under the first communication pattern and/or second communication pattern, between described antenna combination 120 and communication unit 110, at least possesses three kinds of coupling mode.For example, under a kind of coupling mode, antenna combination 120 coordinates communication unit 110 to work in the first communication pattern; Under a kind of coupling mode, antenna combination 120 coordinates communication unit 110 to work in second communication pattern; Under a kind of coupling mode, antenna combination 120 coordinates communication unit 110 to work in the first communication pattern and second communication pattern simultaneously.Antenna switch unit 130 is according to the residing communication pattern of communication unit 110, dynamically the coupling mode between switched antenna combination 120 and communication unit 110.

Wherein, described the first communication pattern can be 4G communication pattern, as LTE communication pattern, includes but not limited to FDD-LTE, TDD-LTE etc.Described second communication pattern can be 2G/3G communication pattern, includes but not limited to GSM, CDMA, WCDMA, CDMA2000, TD-SCDMA etc.

Refer to Fig. 3, in a kind of embodiment of the present invention, wireless terminal comprises communication unit 110, be suitable for the antenna combination 120 and the antenna switch unit 130 that couple with described communication unit 110.Described antenna switch unit 130, between communication unit 110 and antenna combination 120, is suitable for switching the coupling mode between described antenna combination 120 and communication unit 110.

Described antenna combination 120 comprises the first antenna 121 and the second antenna 122; Described antenna switch unit 130 is between the second antenna 122 and communication unit 110.

In a kind of specific implementation, described communication unit 110 is configured to possess the ability of working under the first communication pattern and/or second communication pattern.

Wherein, under the first communication pattern, communication unit 110 is suitable for processing packet switch domain service; Under second communication pattern, communication unit 110 is suitable for processing circuit domain service, packet switch domain service or packet domain and circuit domain voice and packet data concurrent service; Under the communication pattern combination of the first communication pattern and second communication pattern, communication unit 110 is suitable for processing packet switch domain service under the first communication pattern, and under second communication pattern processing circuit domain service, or standby is in the first communication pattern and second communication pattern, or under the first communication pattern in connection status and standby in second communication pattern.

Described antenna switch unit 130 is according to the residing communication pattern of communication unit 110, switch the relation that couples between described the second antenna 122 and communication unit 110, make described antenna combination 120 possess at least following working method: described the first antenna 121 and the second antenna 122 respectively correspondence work in the first communication pattern and second communication pattern, or described the first antenna 121 is not worked, and the second antenna 122 works in second communication pattern; Described the first antenna 121 and the second antenna 122 all work in the first communication pattern; Described the first antenna 121 works in the first communication pattern, and described the second antenna 122 works in the first communication pattern and second communication pattern simultaneously; Described the first antenna 121 or the second antenna 122 work independently in the first communication pattern.

It will be appreciated by those skilled in the art that, in present specification, described the second antenna work in simultaneously the first communication pattern and second communication pattern or with it similarly statement do not form the restriction to the application, can also adopt other mode to realize the second antenna and be shared by the first communication pattern and second communication pattern.For example the second antenna also can adopt the mode of time-division to work in the first communication pattern and second communication pattern.

Between described antenna combination 120 and communication unit 110, at least possess three kinds of coupling mode.

For example, under a kind of coupling mode, the first antenna 121 is not worked, and the second antenna 122 coordinates communication unit 110 to work in second communication pattern.Under this kind of coupling mode, the first antenna 121 can coordinate communication unit 110 to work in the first communication pattern, the second antenna 122 coordinates communication unit 110 to work in second communication pattern, thereby can realize standby simultaneously in the first communication pattern and second communication pattern, also can carry out the business under the first communication pattern, the business that simultaneously coordinates communication unit 110 to carry out under second communication pattern by the second antenna 122 by the cooperation of the first antenna 121 and communication unit 110.

Under a kind of coupling mode, the first antenna 121 and the second antenna 122 coordinate communication unit 110 to work in the first communication pattern, the second antenna 122 coordinates communication unit 110 to work in second communication pattern simultaneously, thereby can carry out the business under the first communication pattern simultaneously and realize the standby under second communication pattern, also standby is simultaneously in the first communication pattern and second communication pattern.

Under a kind of coupling mode, the first antenna 121 and the common communication unit 110 that coordinates of the second antenna 122 work in the first communication pattern; Or the first antenna 121 or the second antenna 122 work independently in the first communication pattern.

Those skilled in the art understand, by the wireless terminal in previous embodiment, described antenna combination 120 coordinates communication unit 110 can realize all kinds of mobile communication businesses, includes but not limited to: described the first antenna 121 and the second antenna 122 cooperation communication units 110 respectively correspondence are realized packet switch domain service and circuit domain business; Described the first antenna 121 and the second antenna 122 coordinate communication unit 110 all to work in packet switch domain service; Described the first antenna 121 works in packet switch domain service, and described the second antenna 122 works in packet switch domain service and circuit domain business simultaneously; Described the first antenna 121 or the second antenna 122 coordinate separately communication unit 110 to realize packet switch domain service.

Those skilled in the art will appreciate that described packet switch domain service and the circuit domain business of simultaneously working in, also can adopt the mode of time-division to realize.This does not repeat.

Those skilled in the art understand, by the wireless terminal in previous embodiment, described antenna combination 120 coordinates communication unit 110 can realize all kinds of mobile communication businesses, includes but not limited to: described the first antenna 121 and the second antenna 122 cooperation communication units 110 respectively correspondence are realized data service and speech business; Described the first antenna 121 and the second antenna 122 coordinate communication unit 110 all to work in data service; Described the first antenna 121 works in data service, and described the second antenna 122 works in data service and speech business simultaneously; Described the first antenna 121 or the second antenna 122 coordinate separately communication unit 110 to realize data service.

Those skilled in the art will appreciate that described work in data service and speech business simultaneously, also can adopt the mode of time-division to realize.

Refer to Fig. 4, in a kind of embodiment of the present invention, wireless terminal comprises communication unit 110, be suitable for the antenna combination 120 and the antenna switch unit 130 that couple with described communication unit 110.

Described communication unit 110 comprises first mode radio frequency unit 111, the second pattern radio frequency unit 112, baseband processing unit 113.Wherein, described first mode radio frequency unit 111 possesses the ability of processing the first communication pattern radiofrequency signal, described the second pattern radio frequency unit 112 possesses the ability of processing second communication pattern radiofrequency signal, and described baseband processing unit 113 possesses multi-communication mode base band signal process ability.

Described antenna switch unit 130 is suitable for realizing described antenna combination 120 and the switching of communication unit 110 between multiple coupling mode.Described coupling mode includes but not limited to: the first antenna 121 and the second antenna 122 respectively correspondence couple first mode radio frequency unit 111 and the second pattern radio frequency unit 112; The first antenna 121 and the second antenna 122 all couple first mode radio frequency unit; The first antenna 121 is coupled to first mode radio frequency unit 111, the second antennas 122 and is coupled to first mode radio frequency unit 111 and the second pattern radio frequency unit 112 simultaneously.

Described antenna switch unit 130, by switching the coupling mode between described antenna combination 120 and communication unit 110, makes described wireless terminal antenna combination possess at least following working method: in antenna combination 120 different antenna respectively correspondence work in different communication patterns; Antenna in antenna combination 120 all works in same communication pattern; Part antenna in antenna combination 120 works in a kind of communication pattern, and part antenna works at least two kinds of communication patterns simultaneously.

For example, described the first antenna 121 and the second antenna 122 respectively correspondence work in the first communication pattern and second communication pattern, or described the first antenna 121 do not work, and the second antenna 122 works in second communication pattern; Described the first antenna 121 and the second antenna 122 all work in the first communication pattern, or the first antenna 121 or the second antenna 122 work independently in the first communication pattern; Described the first antenna 121 works in the first communication pattern, and described the second antenna 122 works in the first communication pattern and second communication pattern simultaneously.

Those skilled in the art can understand, the specific implementation of described first mode radio frequency unit 111 and the second pattern radio frequency unit 112 can adopt the mode of discrete device, also can integrate, or adopt the one chip mode that possesses multimode radio-frequency signal handling capacity.

Refer to Fig. 5, in a kind of embodiment of the present invention, described antenna switch unit 130 comprises antenna port 1311 and two class communication unit ports: first kind communication unit port one 312, Equations of The Second Kind communication unit port one 313.

Wherein, described antenna port 1311 connects described the second antenna, and described first kind communication unit port one 312 is connected to first mode radio frequency unit 111, and described Equations of The Second Kind communication unit port one 313 is connected to the second pattern radio frequency unit 112.

It should be noted that, the concrete number of described two class communication unit ports depends on the communication pattern that it is supported.For example, for FDD-LTE, it can be 1; For TDD-LTE, it can be 2; For WCDMA, it can be 1; For GSM, it can be 2; This does not repeat.

Refer to Fig. 6, in a kind of embodiment of the present invention, described antenna switch unit 130 comprises the switch element 131 mutually coupling.Described switch element 131 is also coupled to the second antenna 122, first mode radio frequency unit 111 and the second pattern radio frequency unit 112.

In a kind of specific implementation, described switch element 131 can adopt single pole multiple throw or similar device, and this does not repeat.

Refer to Fig. 7, in a kind of embodiment of the present invention, described wireless terminal also comprises antenna switch control unit 140, for providing switch-over control signal to antenna switch unit 130.

Described antenna switch control unit 140 is according to the Information generation switch-over control signal from baseband processing unit 113.Particularly, antenna can be combined 120 and communication unit 110 between the information corresponding stored such as coupling mode and corresponding communication pattern and type of service, adopt the mode of tabling look-up to generate switch-over control signal; Or adopt the form of state machine to realize; Or the hardware signal that described antenna switch control unit 140 receives from baseband processing unit 113, after treatment, output hardware signal triggers the operation of antenna switch unit 130, and this does not repeat.

In specific implementation, described antenna switch control unit 140 can be arranged on the outside of baseband processing unit 113, also can be arranged on the inside of baseband processing unit 113.

Those skilled in the art can understand, and described baseband processing unit 113 possesses the first handling part (not shown) of processing the first communication pattern baseband signal and the second handling part (not shown) of processing second communication pattern baseband signal.Described the first handling part and the second handling part can adopt discrete mode, also can be integrated.

In specific implementation, when described antenna switch control unit 140 is arranged on the inside of baseband processing unit 113, can be arranged on the first handling part, also can be arranged on the second handling part.Between the first handling part and the second handling part, there is interface channel, realize the mutual of information.The information of comprehensive the first handling part of described antenna switch control unit 140 and the second handling part generates corresponding switch-over control signal.

Refer to Fig. 8, the present invention also provides a kind of method of mobile communication based on multi-module radio terminal, at least two kinds of communication patterns of communication unit support of described wireless terminal, the antenna combination of described wireless terminal optionally works in the combination of different communication modes or different communication modes; Described method comprises:

In step S810, the communication pattern based on wireless terminal and type of service are selected the relation that couples between antenna combination and communication unit, make described wireless terminal possess the ability that adapts to several working ways;

In step S820, when the communication pattern of described wireless terminal and/or type of service change, based on described variation, adjust the relation that couples between described antenna combination and communication unit.

Wherein, described several working ways includes but not limited to: described wireless terminal is supported two standbies and/or CSFB mode.

The combination of described antenna includes but not limited to from the relation that couples between communication unit: in antenna combination, different antenna is corresponding respectively works in different communication patterns; Antenna in antenna combination all works in same communication pattern; Part antenna in antenna combination works in a kind of communication pattern, and part antenna works at least two kinds of communication patterns simultaneously.

The relation that couples between described adjustment antenna combination and communication unit includes but not limited to: during to the divided antenna work of antenna combination middle part, residing communication pattern is adjusted.

The various ways such as during specific implementation, described adjustment process can adopt and table look-up, state machine are realized.

In addition, when coupling between the described antenna combination of adjustment and communication unit is related to, likely need according to actual conditions and demand under the combination of current communication pattern or communication pattern, the data transfer mode between wireless terminal and network side to be adjusted, to guarantee that business carries out smoothly.

The process that data transfer mode between wireless terminal and network side is adjusted may comprise: the configuration to wireless terminal itself, and the air interface signaling between wireless terminal and network side is mutual.

Those skilled in the art understand, and by the mobile telecommunication method in previous embodiment, can realize: the different antennae cooperation communication unit in antenna combination respectively correspondence is realized packet switch domain service and circuit domain business; Antenna in antenna combination all coordinates communication unit to work in packet switch domain service; Part antenna in antenna combination works in packet switch domain service, and part antenna works in packet switch domain service and circuit domain business simultaneously; Part antenna in antenna combination coordinates separately communication unit to realize packet switch domain service.

Those skilled in the art understand, and by the mobile telecommunication method in previous embodiment, can realize: the different antennae cooperation communication unit in antenna combination respectively correspondence is realized data service and speech business; Antenna in antenna combination all coordinates communication unit to work in data service; Part antenna in antenna combination works in data service, and part antenna works in data service and speech business simultaneously; Part antenna in antenna combination coordinates separately communication unit to realize data service.

With wireless terminal, support the first communication pattern and second communication pattern below, antenna combination comprises that the first antenna and the second antenna are example, are related to that to coupling in the method for mobile communication of the specific embodiment of the invention adjustment process is illustrated.

The working method of described antenna combination includes but not limited to: described the first antenna and the second antenna respectively correspondence work in the first communication pattern and second communication pattern; Or described the first antenna is not worked, and second day line works in second communication pattern; Described the first antenna and the second antenna all work in the first communication pattern; Described first day line works in the first communication pattern, and described the second antenna works in the first communication pattern and second communication pattern simultaneously; Described the first antenna or the second antenna work independently in the first communication pattern.

When in the situation that the mode of operation of wireless terminal is set to CSFB pattern, according to the current communication pattern of wireless terminal and type of service thereof, switch the relation that couples between the second antenna and communication unit.

Particularly, when the first communication pattern and second communication pattern are all idle in IDLE() during state, first day line works in the first communication pattern, the second antenna time-division and works in the first communication pattern and second communication pattern; When the first communication pattern in connection status, second communication pattern in IDLE state, first day line works in the first communication pattern, the second antenna time-division and works in the first communication pattern and second communication pattern; When the first communication pattern and second communication pattern are during all in connection status, first day line works in the first communication pattern, second day line works in second communication pattern; When the first communication pattern is in IDLE state, second communication pattern during in connection status, first day line works in the first communication pattern, second day line works in second communication pattern.

Its dynamic adjustment process can comprise:

At the first communication pattern in connection status, second communication pattern in holding state in the situation that, while initiating business under second communication pattern, the second antenna is worked in to the first communication pattern and second communication pattern switches to the second communication pattern that works in from the time-division;

In the first communication pattern and second communication pattern all in connection status in the situation that, when the service ending of second communication pattern, the second antenna is switched to the time-division and works in the first communication pattern and second communication pattern from working in second communication pattern;

When the service ending of second communication pattern, if current the first communication pattern, in connection status, switches to the second antenna the time-division and works in the first communication pattern and second communication pattern from working in second communication pattern.

When coupling between switching the second antenna and communication unit is related to, also may comprise: adjust according to the actual requirements the data transfer mode of communication unit and network side under the first communication pattern, to guarantee that terminal receives the business that can process under the first communication pattern in single antenna mode.

Below in conjunction with Fig. 7, first communication pattern of take is combined as example as LTE communication pattern, second communication pattern comprise the double antenna of the first antenna and the second antenna as 2G/3G communication pattern, antenna sets are combined into, and the specific embodiment of the present invention is set forth.

See also Fig. 7 and Fig. 9, in the situation that the mode of operation of wireless terminal is set to CSFB pattern, default configuration is that the second antenna 122 is connected to second communication unit port 1313.

In the course of work of wireless terminal, according to the current communication pattern of wireless terminal and type of service, switch the relation that couples between the second antenna 122 and communication unit 110.

Particularly,

In step S910, in start, search the resident stage of net, configure the second antenna 122 and be connected to second communication unit port 1313;

In step S920, after resident success, the first communication pattern (LTE communication pattern) and second communication pattern (2G/3G communication pattern) are all in normal holding state, it has CSFB ability terminal to report network, i.e. its support of terminal informing network has the access capability at LTE network and 2G/3G network.Here normal standby refers to and can normally receive cell system message and broadcast, beep-page message, meets normally resident (Normal Camping) condition of 3GPP agreement 25.304.Here terminal to report LTE network has CSFB ability idiographic flow and refers to 3GPP24.301 agreement;

In step S930, in second communication pattern, in holding state in the situation that, configure the second antenna 122 and switch at the first communication unit port one 312 and 1313 time-divisions of second communication unit port.Particularly, only, on second communication systematic survey opportunity, configure the second antenna and be connected to second communication unit port 1313, at other times, all configure the second antenna and be connected to the first communication unit port one 312;

In step S940, judge whether second communication pattern initiates circuit domain business, if so, enters S950, otherwise return to S930;

In step S950, in the situation that second communication pattern is initiated circuit domain business, configure the second antenna 122 and be connected to second communication unit port 1313, circuit domain business comprises voice caller here, speech business is called and location area updating etc.Second communication pattern turns back to holding state, enters S930;

Those skilled in the art will appreciate that in above-mentioned embodiment, when LTE communication pattern and 2G/3G communication pattern are during all in IDLE state, LTE communication pattern and 2G/3G communication pattern time-division are used diversity antenna, for paging receiving and measurement; When LTE communication pattern is in PS connection status and 2G/3G communication pattern during in IDLE state, LTE communication pattern is independently used main antenna, diversity antenna by time division way for LTE communication pattern and 2G/3G; When LTE communication pattern is in PS connection status or IDLE state, 2G/3G communication pattern is initiated CS(Circuit Switched Domain, circuit domain), during business, LTE communication pattern is only used main antenna transmitting-receiving, and diversity antenna is switched to 2G/3G communication pattern and received and dispatched for business.

Processing in above-mentioned S930, refers to Figure 10, comprises the steps:

In step S1010, the first communication pattern and second communication pattern are all in normal holding state;

In step S1020, according to system parameters, calculate respectively the first communication pattern paging and receive measurement opportunity corresponding to opportunity and measurement opportunity, second communication pattern.Here system parameters refers to the configuration of the measurement parameter in cell system message and paging channel, paging occasion configuration parameter under corresponding communication pattern;

In step S1030, adjust second communication pattern and measure opportunity, second communication pattern is not conflicted with the first communication system measurement opportunity and paging occasion the opportunity of measuring;

In step S1040, configure the time-division switching between the first communication unit port and second communication unit port of the second antenna.

Give an example, the GSM of take measures parameter on opportunity as example provides second communication pattern.GSM needs the Channel to GSM BCCH(Broadcast Control under IDLE state, Broadcast Control Channel) receive, GSM RSSI(Received Signal Strength Indicator, received signal strength indicator) measure, initial BSIC(Base Station Identity Code, base station identity code) differentiate, BSIC heavily confirms.According to GSM frame structure, can adopt following interval reception programme: for GSM BCCH, receive, rssi measurement, initial BSIC differentiate, BSIC heavily confirms, can adopt 240ms is the cycle, and the scheme that each time of reception is 6ms receives.

Those skilled in the art will appreciate that, in above-mentioned embodiment, terminal to report network has CSFB ability, and preferentially reside in LTE network.In the present invention, terminal is in resident LTE network, can also reside in 2G/3G network, comprise and measure 2G/3G community synchronous, read system message, carry out location area updating etc., therefore when initiating in circuit domain call (comprising caller and called) situation, compare (as shown in Figure 11 A) with existing CSFB flow process, synchronous, measurement, read system message and possible location area updating flow process to 2G/3G community can be avoided, therefore calling establishment time delay can be reduced.Under LTE standby mode, the flow process of initiating circuit domain call is referring to accompanying drawing 11B:

Step S1110: wireless terminal (also claiming user terminal User Equipment(UE) or travelling carriage Mobile Station(MS)) to network, send the request of activating business (Extend Service Requet) message, request CS business falls after rise;

Step S1120: receive and process RRC(Radio Resource Control, radio resource control) Connection Release (RRC Connection Release) message;

Step S1130: the 2G/3G cell information of safeguarding according to UE is initiated CS call setup at 2G/3G network;

In above-mentioned steps S1130, existing protocol is speed call Establishing process, in RRC connection release message, may comprise redirect message, comprises the cell system messages such as frequency of 2G/3G Target cell.UE is without this information in the present invention, and the 2G/3G community of directly using UE to safeguard makes a call.

Another embodiment, because terminal of the present invention can standby under LTE and two kinds of communication patterns of 2G/3G, therefore under LTE standby mode, while initiating circuit domain call, ignore above-mentioned S1110 and S1120, directly by S1130, make a call, realize and initiate sooner audio call, guarantee that LTE is in normal holding state simultaneously.

In for example application scenarios as shown in Figure 9, inventor further researches and develops discovery, and the coupling of the combination of the antenna of similar S950 and communication unit is related to that adjustment process may bring signal transmission quality problem.

In detail, because LTE communication pattern is used two antennas when the PS connection status, wireless terminal need to switch the system to 2G/3G completely by the diversity reception antenna of LTE system while initiating the CS business of 2G/3G, the now reception of LTE communication pattern becomes 1 antenna from 2 antennas, for communication quality, occurs following impacts:

For PDCCH(Physical Downlink Control Channel, Physical Downlink Control Channel), PCFICH(Physical Control Format Indicator Channel, Physical Control Format Indicator Channel) control channel such as, when there is the CS business of 2G/3G, the physical layer of wireless terminal can be adjusted according to order the reception of control channel, because control channel adopts transmit diversity, reception antenna becomes after one, antenna reception scheme has become 4TX/1RX or 2TX/1RX or 1TX/1RX(TX by 4TX/2RX or 2TX/2RX or 1TX/2RX and has referred to that network terminal sends, RX refers to that terminal receives), just receive diversity gain has not had, SNR(Signal to Noise Ratio, signal to noise ratio) according to multi-path environment, have the decline of 3dB left and right, but the receptivity redundancy of control signal is larger, so SNR declines, control channel is received to impact not quite,

For PDSCH(Physical Downlink Shared Channel, Physical Downlink Shared Channel) MIMO(Multiple-Input Multiple-Output, have more more) space division multiplexing transmission, after reception 2 antenna receptions become 1 antenna reception, cause two data blocks (TB) of PDSCH channel to be disturbed each other, occur a large amount of error codes; For the transmission mode of other PDSCH channels, reception antenna has not had receive diversity gain after 2 become 1, SNR has the decline of 3dB left and right according to multi-path environment, because LTE base station still keeps the code modulation mode of former PDSCH channel to the data of terminal transmission, so PDSCH channel also there will be error code.

For above-mentioned transmission quality problem, inventor, through creative work, proposes a kind of new processing mode.Particularly, at LTE communication pattern during in PS connection status, when if wireless terminal needs the parallel 2G/3G of initiation CS calling service, response CS called service or does CS territory location area updating, under LTE communication pattern, stop using receive diversity antenna, it is switched to 2G/3G communication pattern completely as sending and receiving antenna.Through certain processing procedure, make LTE network side the PDSCH channel of LTE system is adjusted into the transmission mode adapting under single antenna reception by the transmission mode under receive diversity or space division multiplexing channel.

Below by embodiment, this new processing mode is illustrated.

Referring to Figure 12, is a kind of structural representation of wireless terminal.

Wireless terminal comprises: upper unit 1201, LTE physical layer element 1202 and antenna switch unit 130.Described LTE physical layer element 1201 comprises LTE physical layer control unit 12021, the descending CPR(CQI/PMI/RI of LTE, Channel Quality Indicator/Precoding Matrix Indicator/Rank Indicator, channel quality indication/pre-coding matrix indication/order indication) measuring unit 12022, LTE physical layer receiving element 12023.

Wherein, described LTE physical layer control unit 12021 during for antenna switching command receiving from upper unit 1201, is revised the antenna measurement configuration of the descending CPR measuring unit 12022 of LTE; After the Reconfigurations information receiving from network side, control described LTE physical layer receiving element 12023 and upgrade reception configuration;

The descending CPR measuring unit 12022 of described LTE, for carry out CPR measurement under described antenna measurement configuration, generates the measurement result that reports network side;

Described LTE physical layer receiving element 12023 receives the signal from network side for the reception configuration according to described renewal;

The in the situation that described upper unit 1201 receiving configuration for upgrading at described LTE physical layer receiving element 12023, control antenna switch unit 130 carries out the switching of antenna connected mode.

Wireless terminal is initiated CSFB operation flow and is divided into space division multiplexing and two kinds of situations of non-space division multiplexing under the PS of LTE communication pattern connection status.The space division multiplexing here refers to logical many antennas input and output, utilizes the incoherent feature space division multiplexing transmission of fading characteristic multichannel data between different antennae.In LTE, by 2X2MIMO and 4X2MIMO, realize space division multiplexing, be that 22, antenna is received or 42 receipts, on a carrier wave by space division multiplexing transmitting two paths data, the transmission mode that PDSCH in LTE realizes the space division multiplexing of two-way TB data by MIMO has transmission mode 3(TM3): open loop MIMO space division multiplexing, transmission mode 4(TM4): closed-loop MIMO space division multiplexing and transmission mode 8(TM8):: multiuser MIMO space division multiplexing.When PDSCH MIMO space division multiplexing transmission, after becoming 1 antenna reception, 2 antenna receptions cause two TB data blocks of PDSCH channel to be disturbed each other, there are a large amount of error codes;

The non-space division multiplexing here refers to only transmission of one line TB data block of PDSCH, the TM1 in LTE, and TM2, the single layer of TM3 (Layer), the single Layer of TM4 and TM7 belong to non-NULL minute multiplexing transmission pattern.For the transmission mode of non-space division multiplexing PDSCH channel, reception antenna has not had receive diversity gain after 2 become 1, SNR has the decline of 3dB left and right according to multi-path environment, because LTE base station still keeps the code modulation mode of former PDSCH channel to the data of terminal transmission, therefore PDSCH channel also there will be error code, but due to physical layer HARQ(Hybrid Automatic Repeat Request, mixed automatic retransfer request) retransmit and merge, can not cause RLC(Radio Link Control frequently, wireless link control) layer retransmits and causes link step-out.

Refer to Figure 13, wireless terminal is that non-NULL divides in multiplex mode situation in the PS of LTE communication pattern connection status and downlink transfer pattern, and the handling process of initiating the circuit domain business (comprising caller and called) of 2G/3G communication pattern comprises:

Step S1310: second communication pattern is initiated voice caller or called service request.

Step S1320: the second antenna is switched to second communication pattern, is second communication mode-specific.

Step S1330: judge whether to keep the first communication pattern data service, as kept, enter step S1340; Otherwise, enter step S13100.

In a kind of specific implementation, the data service that whether keeps the first communication pattern LTE can be that user arranges by interface, can be also that terminal software independently judges that the ability of second communication pattern realizes.For the autonomous estimate of situation of terminal, if second communication pattern is the network of the support voice such as WCDMA or TD-SCDMA and Data Concurrent, judged result is not keep LTE data service; If second communication pattern is the not network of supported data and speech concurrent of GSM, judged result is to keep LTE data service.

Step S1340: initiate independent speech business in second communication pattern; Side by side, enter step S1350.

Step S1350: at the first communication pattern, revise the antenna measurement configuration of descending CPR measuring unit.The upper unit of wireless terminal sends antenna switching command to LTE physical layer control unit, LTE physical layer control unit is adjusted into 4TX/1RX or 2TX/1RX or 1TX/1RX by the antenna measurement configuration of the descending CPR measuring unit of LTE by original 4TX/2RX or 2TX/2RX or 1TX/2RX, enters S1360.

Step S1360: at the first communication pattern, according to described antenna measurement configuration, carry out descending CPR measurement.Be that the pilot signal that descending CPR measuring unit only receives the first antenna (main antenna) is carried out CPR measurement, descending CPR measuring unit RI is set to 1, and carry out RI be 1 and the broadband of antenna measurement while being configured to 4TX/1RX or 2TX/1RX or 1TX/1RX and subband PMI and CQI measure, enter step S1370.

Step S1370: at the first communication pattern, measurement result is reported to network side.If now CPR gives the correct time on periodically, by the measurement result of CPR by PUCCH channel report network side (base station); If aperiodicity reports, wait for the DCI(Downlink Control Information that network side PDCCH channel carries, Downlink Control Information) instruction, by after the measurement result of CPR and Traffic Channel group bag by PUSCH channel reporting base station, enter S1380.

In a kind of specific implementation, for reporting pattern aperiodic, base station indicates wireless terminal to report PMI/CQI/RI(Channel Quality Indicator/Precoding Matrix Indicator/Rank Indicator in descending PDCCH DCI, the indication of channel quality indication/pre-coding matrix indication/order), on call time and determined by base station, in the test CASE of 3GPP, wireless terminal reports the measurement result of CPR to base station every 1ms, and base station scheduling time delay is 10ms.

For periodically reporting pattern, base station in advance and wireless terminal appoint report cycle, to time point wireless terminal, report PMI/CQI/RI.On broadband, give the correct time, general CQI/PMI report cycle is 8Frame=80ms(Frame, frame), RI report cycle is 4 * 8Frame=320ms; Under extreme case, CQI/PMI report cycle is 16Frame=160ms, and it is 32 * 16Frame=5.12s that RI reports the time cycle.So wireless terminal generally just can obtain the new PDSCH configuration in base station in 1s, extreme case may have 5～6s.

Step S1380: adjust data transfer mode according to the information from network side.LTE physical layer receiving element keeps primary antenna configuration and physical layer control channel PCFICH/PDCCH, PBCH(Physical Broadcast Channel) and PHICH(Physical Hybrid ARQ Indicator Channel, physical mixed automatic re-transmission indicating channel), the receiving mode of Traffic Channel PDSCH, CPR measurement result scheduling when only use the first antenna (main antenna) that wait LTE base station reports according to step S1370 receives adapts to the PDSCH transmission mode that single antenna receives.

Particularly, LTE physical layer element obtains the Reconfigurations information of base station to PDSCH by the DCI information of decoding PDCCH channel, after LTE physical layer control unit is processed, upgrade the configuration of LTE physical layer receiving element, this configuration is used the wireless transmission environment facies of 1 reception antenna to mate with wireless terminal at LTE communication pattern.

Step S1390: carry out data service under the first communication pattern.

Step S13100: initiate speech business or voice/data voice and packet data concurrent service under second communication pattern, side by side, enter S13110.

Step S13110: send the request of activating business under the first communication pattern, enter S13120.

Step S13120: receive and process RRC connection release message at the first communication pattern, enter S13130.

Step S13130: normal standby under the first communication pattern.

Refer to Figure 14, wireless terminal is in space division multiplexing mode situation in the PS of LTE communication pattern connection status and downlink transfer pattern, and the handling process of initiating the circuit domain business (comprising caller and called) of 2G/3G communication pattern comprises:

Step S1410: second communication pattern is initiated voice caller or called service request;

Step S1420: judge whether to keep the first communication pattern data service, as kept, enter step S1430; Otherwise, enter step S1490;

Step S1430: send the request of activating business under the first communication pattern, to network initiated data business, keep request, network configuration base station (eNodeB, evolved base station) is revised as non-space division multiplexing by downlink data transmission mode from space division multiplexing, enters step S1440;

Step S1440: under the first communication pattern, terminal receives that downlink signaling indication transmission means changes into non-NULL and divide after multiplex mode, enters step S1450;

Step S1450: the second antenna is switched to second communication pattern, is second communication mode-specific, enters step S1460;

Step S1460: initiate speech business in second communication pattern, side by side, enter step S1470;

Step S1470: under the first communication pattern, carry out descending CPR measurement, report and adjust data transfer mode according to network side information, concrete steps are with step S1350～step S1380 in Figure 13;

Step S1480: carry out data service under the first communication pattern;

Step S1490: send the request of activating business under the first communication pattern, initiate speech business to network and fall request after rise;

Step S14100: receive and process RRC connection release message at the first communication pattern;

Step S14110: normal standby under the first communication pattern;

Step S14120: the second antenna is switched to second communication pattern;

Step S14130: initiate speech business or voice/data voice and packet data concurrent service under second communication pattern.

Refer to Figure 15, concurrent for better realizing under above-mentioned the first communication pattern under data service and second communication pattern speech business, terminal this terminal of report network side when starting to register has expansion CSFB ability, and network side needs can support to expand the processing of CSFB related procedure.Particularly:

After step S1510:UE start, report network UE has expansion CSFB ability, supports under the first communication pattern the concurrent of speech business under data service and second communication pattern.Concrete message can be Attach Request message (Attach Request) or tracing section updating message (TAU), enters step S1520.

Step S1520:UE initiates circuit domain dropping business, enters step S1530.

Step S1530, when UE initiates circuit domain speech business, sends and activates business request message to MME(Mobile Managenment Entity, mobile management entity), in this message, indicate MME CSFB to fall after rise and whether keep the first communication pattern PS business;

Step S1540:MME sends message to eNodeB, and indication CSFB falls after rise.Concrete message is terminal contextual modifications request (UE Context Modification Request (CS Fallback Indicator, LAI)), indicates eNodeB CSFB to fall after rise and whether keep the first communication pattern PS business in this message;

Step S1550:eNodeB, according to whether keeping the first communication pattern PS business to carry out different disposal, if keep, enters step S1560; Otherwise enter step S1570;

Step S1560:eNodeB keeps PS business according to MME indication, and according to the whether space division multiplexing of current downlink traffic transmission, adjusts downlink data transmission pattern, changes business in the transmission mode of eating dishes without rice or wine, and then enters step S1580;

Step S1570:eNodeB, according to existing standard, sends RRC connection release message to UE, then enters step S1580;

Step S1580:UE is according to existing standard, to MSC(Mobile Switching Center, mobile switching centre) transmission service request;

Step S1590:MSC accepts CS service request and successfully sets up CS call business.

Wireless terminal is in the CS of 2G/3G communication pattern connection status, wireless terminal utilizes idle first antenna reception LTE communication pattern PS district's paging service and PS territory calling and called business and TAU(Tracking Area Update, tracing section updating) process, this embodiment needs current network side to increase corresponding function, to support that single UE is simultaneously in two kinds of RAT(Radio Access Technology, wireless access technology) under carry out business.

Refer to two embodiment of Figure 16 and Figure 17, wireless terminal, when LTE communication pattern, is realized the handling process of the location area updating of 2G/3G communication pattern.

Figure 16 is the embodiment under current C SFB pattern, because the second antenna timesharing detects for second communication mode position district, find that change is immediately by the LAI(Location Area Identity of associating tracking area/location area updating (Combined TA/LA Update) flow process renewal 2G/3G, lane place identification code), therefore when there is CSFB, do not need to carry out again 2G/3G location area updating, specifically comprise:

Step S1610: under the first communication pattern, UE carries out the measurement of second communication mode cell by time-division switch diversity antenna, terminal need to be carried out second communication mode position district and be upgraded.

Those skilled in the art will appreciate that the scene that wireless terminal need to carry out 2G/3G location area updating includes but not limited to: carry out periodical location area renewal; Or wireless terminal receiving system message finds that current area Location Area Identification changes.

Step S1620: judge whether second communication mode position district changes, and if so, enters step S1630, otherwise, return to step S1610.

Step S1630, UE initiates " Combined TA/LA Update " and completes the renewal of second communication mode position district under the first communication pattern.

Figure 17 is the embodiment under expansion CSFB pattern, this embodiment needs current network side to increase corresponding function, to support single UE to carry out business under two kinds of RAT simultaneously, compare with current standard C SFB flow process because the second antenna switches at once to second communication pattern, so when the first communication pattern carries out CSFB signaling process, second communication pattern starting position district upgrades and sets up CS business, accelerates CSFB flow process speed, specifically comprises:

When carrying out second communication mode position district, upgrade, there is no CS service request simultaneously:

Step S1710 is identical with the step S1610 of Figure 16 and the step S1630 of step S1740 and Figure 16, repeats no more here.

In step S1720, judge whether second communication mode position district changes, and if so, enters step S1730, if not, returns to S1710.

In step S1730, judge whether second communication pattern initiates CS business simultaneously, if so, be used as location area updating and receive CS service request simultaneously, enter step S1750, otherwise, enter step S1740.

In step S1750, judge whether the first communication pattern is MIMO space division multiplexing transmission means in PS connection status and transmission mode, if the first communication pattern is space division multiplexing transmission means in PS connection status and transmission mode, enter step S17100, otherwise executed in parallel step S1760 and S1790.

Execution step S17100 initiates " Combined TA/LA Update " and completes the renewal of second communication mode position district under the first communication pattern.

Execution step S17110, initiates CSFB business, executed in parallel S1760 to S1780 and S1790 under the first communication pattern PS connection status.

From step S1710 to S1780, the first communication pattern is in PS state, and second communication pattern prepares to initiate CS business, in order to reduce the turn-on time of second communication pattern CS business, directly the second antenna is switched to second communication pattern and carries out location area updating business, after location area updating, directly use the second antenna to set up CS business.

In S1790, the first communication pattern is in PS state, the CS business of using single antenna to complete the first communication mould falls signaling process after rise, and the CPR that carries out descending single antenna reception simultaneously under the first communication pattern measures, and reports and adjusts the first communication pattern data transfer mode according to the information of network side.

Figure 18 is that under current CSFB pattern, LTE network occurs without covering or temporarily falls the embodiment under net abnormal conditions, because the LTE networking initial stage covers not good, 2G/3G is ripe, and the network coverage is good, therefore at LTE(the first communication pattern) the second antenna is switched to 2G/3G network (second communication pattern) and carry out location area updating at once while falling to net, informing network side wireless terminal changes into and adheres to 2G/3G network by adhering to LTE network, then wireless terminal standby under second communication pattern, the first antenna carries out LTE(the first communication pattern) search net, until searching, nets successfully LTE, combine again tracking area (TA)/lane place (LA) renewal process, wireless terminal is got back to the standby of LTE network.At present scheme is because antenna cannot the time-division, so LTE falls net and just can be switched to 2G/3G network by searching after a while after net unsuccessfully, searches the net time long, cannot carry out calling and called business during searching net, affects customer service use.Adopt after new departure, once LTE falls net, wireless terminal is used the second antenna to carry out 2G/3G location area updating at once, uses the first antenna to search net at LTE network simultaneously, both guaranteed user can be during LTE search net off-grid, guaranteed that again wireless terminal can find LTE network fast again.

When the CS of wireless terminal in second communication pattern or CS/PS connection status, cell measurement, system message update and the TA that can realize the first communication pattern upgrade, to complete fast return the first communication pattern after the CS business of second communication pattern.The CS of second communication pattern or CS/PS connection status only need an antenna to carry out uplink and downlink transmitting-receiving, and the first communication pattern utilizes the antenna of another root free time regularly to carry out cell measurement, system message receives and tracing section updating TAU(Tracking Area Update) process.Under the CS or CS/PS connection status of second communication pattern, LTE network is made to TAU(Tracking Area Update) the current network side increase corresponding function of process need, to support single UE to carry out business under two kinds of RAT simultaneously.

Refer to Figure 19, CS or CS/PS business that at present under CSFB agreement, wireless terminal completes second communication pattern fall idle condition under the first communication pattern after rise.Detailed process is as follows:

After the speech business of second communication pattern or voice/data traffic finish, by cell reselection or fast return (Fast Return) mode of current C SFB agreement regulation, get back to the first communication pattern standby, finally keep the holding state under the first communication pattern.

Refer to Figure 20, CS or CS/PS business that under expansion CSFB agreement, wireless terminal completes second communication pattern fall idle condition under the first communication pattern after rise, due between the CS in second communication pattern or CS/PS service period, wireless terminal remains at the first communication pattern network holding state, run into tracking area and change the TAU process of just initiating, therefore after second communication pattern finishes, do not need to do again the process of extra falling the first communication pattern.Detailed process is as follows:

In the speech business of second communication pattern or voice/data traffic knot process, use the first antenna to realize holding state in the first communication pattern community.The tracking area that runs into the first communication pattern changes, and uses the first antenna to initiate TAU process in the first communication pattern community, realizes the tracing section updating of the first communication pattern.After the speech business of second communication pattern or voice/data traffic finish, configuring the second antenna time-division between the first communication unit port and second communication unit port switches, and then keeps the holding state under the first communication pattern.

Refer to Figure 21, CS or CS/PS business that under expansion CSFB agreement, wireless terminal completes second communication pattern fall connection status under the first communication pattern after rise, due between the CS in second communication pattern or CS/PS service period, wireless terminal remains with the first communication pattern network and keeps being connected, so only need upgrade CPR measurement pattern and require the first communication pattern network side that the transmission mode of single antenna reception is adjusted into two antenna reception transmission modes during rollback.Detailed process is as follows:

After the speech business of second communication pattern or voice/data traffic finish, configure the time-division switching between the first communication unit port and second communication unit port of the second antenna, then configure the first communication unit double antenna CPR measurement pattern, to the first communication pattern network side, send CPR report, by single antenna, receive transmission mode and be adjusted into double antenna reception transmission mode, finally, keep the connection status under the first communication pattern.

In the present invention, alleged antenna sets is combined into the combination of all antennas in each wireless terminal, and the first and second antenna sets are the subsets in this antenna combination.

It should be noted that, in the claim and specification of this patent, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element that " comprises " and limit by statement, and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.

Although pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and described, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.

Claims

1. a multi-module radio terminal circuit domain dropping method, it is characterized in that, this wireless terminal is at least supported the first communication pattern and second communication pattern, second communication pattern is supported circuit domain business, network support first communication pattern at this wireless terminal place is to the circuit domain dropping of second communication pattern, this wireless terminal at least comprises the first and second antenna sets, comprises respectively and said method comprising the steps of at least one antenna in the first and second antenna sets:

2. multi-module radio terminal circuit domain dropping method according to claim 1, is characterized in that, described the first communication pattern is LTE communication pattern; Described second communication pattern is 2G or 3G communication pattern.

3. multi-module radio terminal circuit domain dropping method according to claim 2, it is characterized in that, in the described step directly connecting with the cell information of the second communication pattern safeguarded by the second antenna sets sharing, do not use the cell information of Target cell the redirect message that this wireless terminal receives from network side.

4. multi-module radio terminal circuit domain dropping method according to claim 1, is characterized in that, described second communication pattern, when idle condition, only receives the beep-page message of second communication pattern by the first communication pattern.

5. multi-module radio terminal circuit domain dropping method according to claim 2, is characterized in that, further comprising the steps of:

This wireless terminal reports circuit domain dropping ability to network side.

6. multi-module radio terminal circuit domain dropping method according to claim 2, is characterized in that, further comprising the steps of:

This wireless terminal reports the circuit domain dropping ability of expansion to network side, this wireless terminal of informing network side is supported under the first communication pattern the concurrent of circuit domain business under packet switch domain service and second communication pattern.

7. multi-module radio terminal circuit domain dropping method according to claim 6, it is characterized in that, described wireless terminal reports to network side in the step of circuit domain dropping ability of expansion, and this wireless terminal reports the circuit domain dropping ability of expansion by Attach Request message or tracing section updating message to network side.

8. multi-module radio terminal circuit domain dropping method according to claim 2, it is characterized in that, described second communication pattern safeguards by the second antenna sets sharing in the step of cell information of second communication pattern, one of in the following manner or its combination in any realize the maintenance of cell information:

9. multi-module radio terminal circuit domain dropping method according to claim 1, is characterized in that, described the first and second communication patterns share the second antenna sets and refer to: first and second communication pattern time division multiplexing the second antenna sets.

10. multi-module radio terminal circuit domain dropping method according to claim 1, is characterized in that, described circuit domain call is voice caller or speech called or supplementary service or unstructured supplementary service business.

11. according to the multi-module radio terminal circuit domain dropping method described in any one in claim 1 to 10, it is characterized in that, further comprising the steps of:

In the first communication pattern and second communication pattern all in connection status in the situation that, when second communication pattern transfers idle condition to;

At the first communication pattern in connection status and second communication pattern in idle condition in the situation that, when second communication pattern transfers connection status to.

12. multi-module radio terminal circuit domain dropping methods according to claim 11, is characterized in that, the data transfer mode of this wireless terminal of described adjustment and network side comprises:

End side is upgraded antenna measurement configuration; Based on described antenna measurement configuration, carry out descending CPR measurement; The measurement result that described descending CPR is measured reports to network side; Reception, from the transmission means Reconfigurations of network side, is upgraded the transmission means of end side.

13. according to the multi-module radio terminal circuit domain dropping method described in any one in claim 1 to 10, it is characterized in that, described the first antenna sets is a main antenna, and described the second antenna sets is a diversity antenna.

14. 1 kinds of multi-module radio terminals, is characterized in that, network support first communication pattern at this multi-module radio terminal place is to the circuit domain dropping of second communication pattern, and this multi-module radio terminal comprises with lower module:

15. multi-module radio terminals according to claim 14, is characterized in that, described the first communication pattern is LTE communication pattern; Described second communication pattern is 2G or 3G communication pattern.

16. multi-module radio terminals according to claim 15, is characterized in that, described call connection module is not used the cell information of Target cell the redirect message that this wireless terminal receives from network side.

17. multi-module radio terminals according to claim 15, is characterized in that, also comprise with lower module:

The first reporting module, for reporting circuit domain dropping ability to network side.

18. multi-module radio terminals according to claim 15, is characterized in that, also comprise with lower module:

The second reporting module, for reporting the circuit domain dropping ability of expansion to network side by Attach Request message or tracing section updating message, this wireless terminal of informing network side is supported under the first communication pattern the concurrent of circuit domain business under packet switch domain service and second communication pattern.

19. multi-module radio terminals according to claim 14, is characterized in that, described the first and second communication modules share the second antenna sets and refer to: first and second communication module time division multiplexing the second antenna sets.

20. multi-module radio terminals according to claim 14, is characterized in that, described circuit domain call is voice caller or speech called or supplementary service or unstructured supplementary service business.