CN101448308A - Method for controlling physical uplink shared channel transmission power - Google Patents

Method for controlling physical uplink shared channel transmission power Download PDF

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Publication number
CN101448308A
CN101448308A CNA2008101892829A CN200810189282A CN101448308A CN 101448308 A CN101448308 A CN 101448308A CN A2008101892829 A CNA2008101892829 A CN A2008101892829A CN 200810189282 A CN200810189282 A CN 200810189282A CN 101448308 A CN101448308 A CN 101448308A
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pusch
shared channel
uplink shared
expression
physical uplink
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戴博
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ZTE Corp
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ZTE Corp
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Priority to CNA2008101892829A priority Critical patent/CN101448308A/en
Publication of CN101448308A publication Critical patent/CN101448308A/en
Priority to PCT/CN2009/074549 priority patent/WO2010081338A1/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/32TPC of broadcast or control channels

Abstract

The invention provides a method for controlling physical uplink shared channel transmission power. When the physical uplink shared channel only has uplink control information to transmit and does not have uplink shared channel data to transmit, the effect of transmission format is not considered when setting the transmission power of PUSCH; or the excursion parameter of the transmission format is zero; or the excursion parameter of the transmission format is set according to a channel quality indicating command expressed by TBS and a bit number comprised in the corresponding checking (CRC) of the TBS; or the excursion parameter of the transmission format is set according to the TBS and MPUSCH obtained in PDCCH when transmitting a transmission block originally in the last time. The invention solves the physical uplink shared channel power control problem when the physical uplink shared channel only has the uplink control information to transmit and does not have the uplink shared channel data to transmit, thereby ensuring the integral performance of a system.

Description

A kind of method for controlling physical uplink shared channel transmission power
Technical field
The present invention relates to the communications field, relate in particular to a kind of method for controlling physical uplink shared channel transmission power.
Background technology
At LTE (Long Term Evolution, Long Term Evolution) in the system, uplink physical channel mainly comprises PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel), PUSCH channels such as (Physical Uplink Shared Channel, Physical Uplink Shared Channels).PUCCH is used for transmitting uplink control information, wherein, ascending control information comprises the ACK (Acknowledge of up feedback, correctly reply)/NACK (Non-Acknowledge, wrong responses), CQI (Channel QualityIndicator, the channel quality indication), RI (Rank Indicator, rank indication information) and PMI information such as (PrecodingMatrix Indicator, pre-coding matrix indications).PUSCH can only transmit Uplink Shared Channel (Uplink Shared channel, be called for short UL-SCH) data, also can a transmitting uplink control information, perhaps, transmit Uplink Shared Channel data and ascending control information simultaneously.
All user terminals in the sub-district (User Equipment, be called for short UE) need carry out power setting to the transmitted power of the Physical Uplink Shared Channel of each subframe.In the adjustment process of uplink closed loop, specific to a certain subframe i, the formula (or be called the power control formula, hereinafter referred to as formula 1) that is provided with of the transmitted power of its Physical Uplink Shared Channel (is unit with dBm (decibels above milliwatt)) is:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit.
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i, just be used to transmit the Resource Block quantity of PUSCH among the subframe i.
P O_PUSCH(j) expression target reference power, the concrete definition of variable j please refer to the relevant criterion document of LTE, as 5.1.1.1 joint definition in reference LTE physical layer 36.213 standards.
α represents the path loss modifying factor.
PL represents path loss.
Δ TF(i) be the transformat offset parameter, wherein:
Work as K S=1.25 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) ; Work as K S=0 o'clock, Δ TF(i)=0;
K SBe the total parameter in a sub-district, by RRC (Radio Resource Control, the Radio Resource control) configuration of high level; MPR=TBS/N RE, TBS represents the size of transmission block; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282D00093
Expression is used to transmit SC-FDMA (SingleCarrier-Frequency Division Multiple Access, the single-carrier frequency division multiple access) symbol quantity of PUSCH;
Figure A200810189282D00094
Represent subcarrier (Resource Unit) quantity that comprises in the Resource Block, be used to represent the size of a Resource Block on the frequency domain, TBS and M PUSCHSignaling obtains among the PDCCH during according to first transmission transmission block.
The power control correction function of f (i) expression subframe i.
Because TBS represents the size of transmission block, on Physical Uplink Shared Channel, have only ascending control information to send, when not having the Uplink Shared Channel data to send, the size of transmission block is 0, i.e. TBS=0, then,
Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) = 10 × log 10 ( 2 0 × 1.25 - 1 ) = 10 × log 10 0
This moment Δ TF(i) value is infinite value, nonsensical, this will cause system to realize going wrong, on Physical Uplink Shared Channel, have only ascending control information to send, when not having the Uplink Shared Channel data to send, can not realize the control of Physical Uplink Shared Channel power, influence the transmission performance of ascending control information, and then cause that the overall performance of system descends.
Summary of the invention
Technical problem to be solved by this invention is, overcome the deficiencies in the prior art, provide on a kind of capable physically shared channel and have only ascending control information to send, the transmitted power control method of PUSCH when not having the Uplink Shared Channel data to send, thereby the overall performance of the system of assurance.
In order to address the above problem, the invention provides a kind of method for controlling physical uplink shared channel transmission power, have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, when physical uplink shared channel transmission power is set, do not consider the influence of transformat.
Further, said method also can have following characteristics, and described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i.
Further, said method also can have following characteristics, and described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
The invention provides a kind of method for controlling physical uplink shared channel transmission power, have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, the transformat offset parameter is 0, according to this transformat offset parameter physical uplink shared channel transmission power is set.
Further, said method also can have following characteristics, and described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be described transformat offset parameter, have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, Δ is set TF(i) be 0.
Further, said method also can have following characteristics, and described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be described transformat offset parameter, work as MPRK S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by the Radio Resource control configuration of high level; MPR=TBS/N RE, TBS represents the size of transmission block; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel, Expression is used to transmit the single-carrier frequency division multiple access symbol quantity of PUSCH; Represent the Resource Unit quantity that comprises in the Resource Block.
Further, said method also can have following characteristics, TBS and M PUSCHSignaling obtains among the PDCCH during according to first transmission transmission block.
Further, said method also can have following characteristics, has only ascending control information to send on the capable physically shared channel, and when not having the Uplink Shared Channel data to send, TBS is 0.
Further, said method also can have following characteristics, when having only the Uplink Shared Channel data to send on the capable physically shared channel, and TBS and M PUSCHSignaling obtains among the nearest PDCCH when sending transmission block.
Further, said method also can have following characteristics, and the transmitted power of described Physical Uplink Shared Channel is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be the transformat offset parameter;
Work as MPRK S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by the Radio Resource control configuration of high level; MPR = Σ r = 0 C - 1 K r / N RE ; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282D00123
Expression is used to transmit the single-carrier frequency division multiple access symbol quantity of PUSCH;
Figure A200810189282D00124
Represent the Resource Unit quantity that comprises in the Resource Block, be used to represent the size of a Resource Block on the frequency domain.
Further, said method also can have following characteristics, described M PUSCH, C and K rSignaling obtains among the PDCCH during according to first transmission transmission block.
Further, said method also can have following characteristics, has only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, and MPR=0.
Further, said method also can have following characteristics, when having only the Uplink Shared Channel data to send on the capable physically shared channel, and M PUSCH, C and K rSignaling obtains among the nearest PDCCH when sending transmission block.
Further, said method also can have following characteristics, and described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be described transformat offset parameter, work as K S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by the Radio Resource control configuration of high level; Have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, K S=0, perhaps, have only ascending control information to send on the Physical Uplink Shared Channel, there are not the Uplink Shared Channel data to send, only be applied to K SIt is 0 scene.
Further, said method also can have following characteristics, and described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
The invention provides a kind of method for controlling physical uplink shared channel transmission power, have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, transmission block size TBS represents the total number of bits that channel quality indication signaling and its corresponding check comprise, and according to this TBS value physical uplink shared channel transmission power is set.
Further, said method also can have following characteristics, and described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be the transformat offset parameter;
Work as K S=1.25 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) ; Work as K S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by the Radio Resource control configuration of high level; MPR=TBS/N RE, N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282D00143
Expression is used to transmit the single-carrier frequency division multiple access symbol quantity of PUSCH;
Figure A200810189282D00144
Represent the Resource Unit quantity that comprises in the Resource Block, TBS and M PUSCHSignaling obtains among the PDCCH during according to first transmission transmission block.
Further, said method also can have following characteristics, and described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
The invention provides a kind of method for controlling physical uplink shared channel transmission power, have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, obtain the bandwidth M of transmission block size TBS and transmitting physical Uplink Shared Channel according to signaling among the preceding PDCCH when once sending transmission block for the first time PUSCH, according to this TBS and M PUSCHPhysical uplink shared channel transmission power is set.
Further, said method also can have following characteristics, and described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be the transformat offset parameter;
Work as K S=1.25 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) ; Work as K S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by the Radio Resource control configuration of high level; MPR=TBS/N RE, N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ;
Figure A200810189282D00152
Expression is used to transmit the single-carrier frequency division multiple access symbol quantity of PUSCH;
Figure A200810189282D00153
Represent the Resource Unit quantity that comprises in the Resource Block.
Further, said method also can have following characteristics, and described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
The invention provides a kind of method for controlling physical uplink shared channel transmission power, solved and on Physical Uplink Shared Channel, had only ascending control information to send, Physical Uplink Shared Channel power control problem when not having the Uplink Shared Channel data to send, thereby the overall performance of the system of assurance.
Description of drawings
Fig. 1 is that the embodiment of the invention is worked as and had only ascending control information to send on the Physical Uplink Shared Channel, the flow chart that physical uplink shared channel transmission power calculates when not having the Uplink Shared Channel data to send.
Embodiment
Basic thought of the present invention is, on Physical Uplink Shared Channel, have only ascending control information to send, when not having the Uplink Shared Channel data to send, do not consider the influence of transformat when the transmitted power of PUSCH is set, perhaps, the transformat offset parameter is 0, perhaps, represent that according to TBS the total number of bits that channel quality indication signaling and its corresponding check (CRC) comprise is provided with the transformat offset parameter, perhaps, obtain TBS and M according to signaling among the preceding PDCCH when once sending transmission block for the first time PUSCHThe transformat offset parameter is set.
This method comprises, as shown in Figure 1:
Step 101: know the data type of transmitting in the current Physical Uplink Shared Channel;
Step 102: on Physical Uplink Shared Channel, have only ascending control information to send, when not having the Uplink Shared Channel data to send, the transformat offset parameter is set;
Step 103, the transmitted power of Computational Physics Uplink Shared Channel is provided with the transmitted power of Physical Uplink Shared Channel according to result of calculation.
Method one
Have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, the transformat offset parameter is 0, specifically sees embodiment 1,2,2-a, 2-b, 2-c and 3.
Embodiment 1
The transmitted power computing formula of Physical Uplink Shared Channel is as follows:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit.
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i.
P O_PUSCH(j) expression target reference power.(concrete definition can define with reference to 5.1.1.1 joint in LTE physical layer 36.213 standards)
α represents the path loss modifying factor.
PL represents path loss.
Δ TF(i) be called as the transformat offset parameter;
Work as K S=1.25 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) ; Work as K S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by RRC (Radio Resource Control, the Radio Resource control) configuration of high level; MPR=TBS/N RE, TBS represents the size of transmission block; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282D00163
Expression is used to transmit SC-FDMA (Single Carrier-FrequencyDivision Multiple Access, the single-carrier frequency division multiple access) symbol quantity of PUSCH;
Figure A200810189282D00164
Represent subcarrier (Resource Unit) quantity that comprises in the Resource Block, be used to represent the size of a Resource Block on the frequency domain, TBS and M PUSCHSignaling obtains among the PDCCH during according to first transmission transmission block.
Have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, Δ is set TF(i)=0;
The power control correction function of f (i) expression subframe i.
In addition, described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
Embodiment 2
The transmitted power computing formula of Physical Uplink Shared Channel is as follows:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit.
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i.
P O_PUSCH(j) expression target reference power.(concrete definition can define with reference to 5.1.1.1 joint in LTE physical layer 36.213 standards)
α represents the path loss modifying factor.
PL represents path loss.
Δ TF(i) be called as the transformat offset parameter;
Work as K S=1.25 and MPRK SBe not equal at 0 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) ; Work as MPRK S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by RRC (RadioResource Control, the Radio Resource control) configuration of high level; MPR=TBS/N RE, TBS represents the size of transmission block; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282D00173
Expression is used to transmit SC-FDMA (Single Carrier-Frequency Division Multiple Access, the single-carrier frequency division multiple access) symbol quantity of PUSCH;
Figure A200810189282D0017140402QIETU
Represent subcarrier (Resource Unit) quantity that comprises in the Resource Block, be used to represent the size of a Resource Block on the frequency domain, TBS and M PUSCHSignaling obtains among the PDCCH during according to first transmission transmission block.
Go physically and have only ascending control information to send on the shared channel, when not having the Uplink Shared Channel data to send, TBS=0, MPR=0 then, thereby MPRK S=0.
The power control correction function of f (i) expression subframe i.
In addition, described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
Embodiment 2-a
The transmitted power computing formula of Physical Uplink Shared Channel is as follows:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit.
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i.
P O_PUSCH(j) expression target reference power.(concrete definition can define with reference to 5.1.1.1 joint in LTE physical layer 36.213 standards)
α represents the path loss modifying factor.
PL represents path loss.
Δ TF(i) be called as the transformat offset parameter;
Work as K S=1.25 and MPRK SBe not equal at 0 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) ; Work as MPRK S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by RRC (RadioResource Control, the Radio Resource control) configuration of high level; MPR=TBS/N RE, TBS represents the size of transmission block; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282D00183
Expression is used to transmit SC-FDMA (Single Carrier-Frequency Division Multiple Access, the single-carrier frequency division multiple access) symbol quantity of PUSCH;
Figure A200810189282D00184
Represent subcarrier (Resource Unit) quantity that comprises in the Resource Block, be used to represent the size of a Resource Block on the frequency domain;
When having only the Uplink Shared Channel data to send on the capable physically shared channel, TBS and M PUSCHSignaling obtains among the nearest PDCCH when sending transmission block; When ascending control information and Uplink Shared Channel data send simultaneously on the capable physically shared channel, TBS and M PUSCHSignaling obtains among the PDCCH during according to first transmission transmission block.
Go physically and have only ascending control information to send on the shared channel, when not having the Uplink Shared Channel data to send, TBS is 0, this moment MPR=0, thereby MPRK S=0.
The power control correction function of f (i) expression subframe i.
In addition, described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
Embodiment 2-b
The transmitted power computing formula of Physical Uplink Shared Channel is as follows:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit.
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i.
P O_PUSCH(j) expression target reference power.(concrete definition can define with reference to 5.1.1.1 joint in LTE physical layer 36.213 standards)
α represents the path loss modifying factor.
PL represents path loss.
Δ TF(i) be called as the transformat offset parameter;
Work as K S=1.25 and MPRK SBe not equal at 0 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) ; Work as MPRK S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by RRC (RadioResource Control, the Radio Resource control) configuration of high level; MPR = Σ r = 0 C - 1 K r / N RE ; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282D00194
Expression is used to transmit SC-FDMA (SingleCarrier-Frequency Division Multiple Access, the single-carrier frequency division multiple access) symbol quantity of PUSCH;
Figure A200810189282D00195
Represent subcarrier (Resource Unit) quantity that comprises in the Resource Block, be used to represent the size of a Resource Block on the frequency domain;
M PUSCH, C and K rSignaling obtains among the PDCCH during according to first transmission transmission block;
Have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, MPR=0, thereby MPRK S=0.
The power control correction function of f (i) expression subframe i.
In addition, described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
Embodiment 2-c
The transmitted power computing formula of Physical Uplink Shared Channel is as follows:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit.
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i.
P O_PUSCH(j) expression target reference power.(concrete definition can define with reference to 5.1.1.1 joint in LTE physical layer 36.213 standards)
α represents the path loss modifying factor.
PL represents path loss.
Δ TF(i) be called as the transformat offset parameter;
Work as K S=1.25 and MPRK SBe not equal at 0 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) ; Work as MPRK S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by RRC (RadioResource Control, the Radio Resource control) configuration of high level; MPR = Σ r = 0 C - 1 K r / N RE ; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282D00204
Expression is used to transmit SC-FDMA (SingleCarrier-Frequency Division Multiple Access, the single-carrier frequency division multiple access) symbol quantity of PUSCH;
Figure A200810189282D00205
Represent subcarrier (Resource Unit) quantity that comprises in the Resource Block, be used to represent the size of a Resource Block on the frequency domain;
When having only the Uplink Shared Channel data to send on the capable physically shared channel, M PUSCH, C and K rSignaling obtains among the nearest PDCCH when sending transmission block; When ascending control information and Uplink Shared Channel data send simultaneously on the capable physically shared channel, M PUSCH, C and K rSignaling obtains among the PDCCH during according to first transmission transmission block;
Have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, MPR=0, thereby MPRK S=0.
The power control correction function of f (i) expression subframe i.
In addition, described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
Embodiment 3
The transmitted power computing formula of Physical Uplink Shared Channel is as follows:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit.
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i.
P O_PUSCH(j) expression target reference power.(concrete definition can define with reference to 5.1.1.1 joint in LTE physical layer 36.213 standards)
α represents the path loss modifying factor.
PL represents path loss.
Δ TF(i) be called as the transformat offset parameter;
Work as K S=1.25 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) ; Work as K S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by RRC (Radio Resource Control, the Radio Resource control) configuration of high level; MPR=TBS/N RE, TBS represents the size of transmission block; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282D00213
Expression is used to transmit SC-FDMA (Single Carrier-FrequencyDivision Multiple Access, the single-carrier frequency division multiple access) symbol quantity of PUSCH; Represent subcarrier (Resource Unit) quantity that comprises in the Resource Block, be used to represent the size of a Resource Block on the frequency domain, TBS and M PUSCHSignaling obtains among the PDCCH during according to first transmission transmission block.
Have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, K S=0, perhaps, have only ascending control information to send on the Physical Uplink Shared Channel, there are not the Uplink Shared Channel data to send, only be applied to K SIt is 0 scene.
The power control correction function of f (i) expression subframe i.
In addition, described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
Method two
When the transmitted power of Physical Uplink Shared Channel of subframe i is set, do not consider the influence of transformat, specifically see embodiment 4.
Embodiment 4
Have only ascending control information to send on the capable physically shared channel, the power calculation method of PUSCH is not as follows when having the Uplink Shared Channel data to send:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit.
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i.
P O_PUSCH(j) expression target reference power.
(concrete definition can define with reference to 5.1.1.1 joint in LTE physical layer 36.213 standards)
α represents the path loss modifying factor.
PL represents path loss.
The power control correction function of f (i) expression subframe i.
In addition, described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
Method three
Have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, TBS represents the total number of bits that channel quality indication signaling and its corresponding check (CRC) comprise, after according to this TBS value the transformat offset parameter being set, physical uplink shared channel transmission power is set again, specifically sees embodiment 5.
Embodiment 5
The transmitted power computing formula of Physical Uplink Shared Channel is as follows:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit.
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i.
P O_PUSCH(j) expression target reference power.(concrete definition can define with reference to 5.1.1.1 joint in LTE physical layer 36.213 standards)
α represents the path loss modifying factor.
PL represents path loss.
Δ TF(i) be called as the transformat offset parameter;
Work as K S=1.25 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) ; Work as K S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by RRC (Radio Resource Control, the Radio Resource control) configuration of high level; MPR=TBS/N RE, TBS represents the size of transmission block; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282D00233
Expression is used to transmit SC-FDMA (Single Carrier-FrequencyDivision Multiple Access, the single-carrier frequency division multiple access) symbol quantity of PUSCH; Represent subcarrier (Resource Unit) quantity that comprises in the Resource Block, be used to represent the size of a Resource Block on the frequency domain, TBS and M PUSCHSignaling obtains among the PDCCH during according to first transmission transmission block.
Have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, TBS represents the total number of bits that channel quality indication signaling and its corresponding check (CRC) comprise.
The power control correction function of f (i) expression subframe i.
In addition, described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
Method four
Go physically and have only ascending control information to send on the shared channel, when not having the Uplink Shared Channel data to send, obtain TBS and M according to signaling among the preceding PDCCH when once sending transmission block for the first time PUSCH, according to this TBS and M PUSCHAfter the transformat offset parameter is set, physical uplink shared channel transmission power is set again, specifically sees embodiment 6.
Embodiment 6
The transmitted power computing formula of Physical Uplink Shared Channel is as follows:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit.
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i.
P O_PUSCH(j) expression target reference power.(concrete definition can define with reference to 5.1.1.1 joint in LTE physical layer 36.213 standards)
α represents the path loss modifying factor.
PL represents path loss.
Δ TF(i) be called as the transformat offset parameter;
Work as K S=1.25 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K s - 1 ) ; Work as K S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by RRC (Radio Resource Control, the Radio Resource control) configuration of high level; MPR=TBS/N RE, TBS represents the size of transmission block; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel, Expression is used to transmit SC-FDMA (Single Carrier-FrequencyDivision Multiple Access, the single-carrier frequency division multiple access) symbol quantity of PUSCH;
Figure A200810189282D00244
Represent subcarrier (Resource Unit) quantity that comprises in the Resource Block, be used to represent the size of a Resource Block on the frequency domain.
Have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, TBS and M PUSCHObtain according to signaling among the preceding PDCCH when once sending transmission block for the first time.
The power control correction function of f (i) expression subframe i.
In addition, described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI

Claims (21)

1, a kind of method for controlling physical uplink shared channel transmission power, it is characterized in that having only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, when physical uplink shared channel transmission power is set, do not consider the influence of transformat.
2, the method for claim 1 is characterized in that, described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i.
3, method as claimed in claim 1 or 2 is characterized in that, described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
4, a kind of method for controlling physical uplink shared channel transmission power, it is characterized in that, have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, the transformat offset parameter is 0, according to this transformat offset parameter physical uplink shared channel transmission power is set.
5, method as claimed in claim 4 is characterized in that, described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be described transformat offset parameter, have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, Δ is set TF(i) be 0.
6, method as claimed in claim 4 is characterized in that, described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be described transformat offset parameter, work as MPRK S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by the Radio Resource control configuration of high level; MPR=TBS/N RE, TBS represents the size of transmission block; N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel, Expression is used to transmit the single-carrier frequency division multiple access symbol quantity of PUSCH;
Figure A200810189282C00033
Represent the Resource Unit quantity that comprises in the Resource Block.
7, method as claimed in claim 6 is characterized in that,
TBS and M PUSCHSignaling obtains among the PDCCH during according to first transmission transmission block.
8, method as claimed in claim 6 is characterized in that,
Have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, TBS is 0.
9, method as claimed in claim 6 is characterized in that, when having only the Uplink Shared Channel data to send on the capable physically shared channel, and TBS and M PUSCHSignaling obtains among the nearest PDCCH when sending transmission block.
10, method as claimed in claim 4 is characterized in that, the transmitted power of described Physical Uplink Shared Channel is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}。
Wherein:
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used to transmit the bandwidth of PUSCH among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be the transformat offset parameter;
Work as MPRK S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by the Radio Resource control configuration of high level; MPR = Σ r = 0 C - 1 K r / N RE ; N UEThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282C00043
Expression is used to transmit the single-carrier frequency division multiple access symbol quantity of PUSCH;
Figure A200810189282C00044
Represent the Resource Unit quantity that comprises in the Resource Block, be used to represent the size of a Resource Block on the frequency domain.
11, method as claimed in claim 10 is characterized in that, described M PUSCH, C and K rSignaling obtains among the PDCCH during according to first transmission transmission block.
12, method as claimed in claim 10 is characterized in that, has only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, and MPR=0.
13, method as claimed in claim 10 is characterized in that, when having only the Uplink Shared Channel data to send on the capable physically shared channel, and M PUSCH, C and K rSignaling obtains among the nearest PDCCH when sending transmission block.
14, method as claimed in claim 4 is characterized in that, described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be described transformat offset parameter, work as K S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by the Radio Resource control configuration of high level; Have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, K S=0, perhaps, have only ascending control information to send on the Physical Uplink Shared Channel, there are not the Uplink Shared Channel data to send, only be applied to K SIt is 0 scene.
15, as the arbitrary described method of claim 4 to 14, it is characterized in that described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
16, a kind of method for controlling physical uplink shared channel transmission power, it is characterized in that, have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, transmission block size TBS represents the total number of bits that channel quality indication signaling and its corresponding check comprise, and according to this TBS value physical uplink shared channel transmission power is set.
17, method as claimed in claim 16 is characterized in that, described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be the transformat offset parameter;
Work as K S=1.25 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K S - 1 ) ; Work as K S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by the Radio Resource control configuration of high level; MPR=TBS/N RE, N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; M PUSCHThe bandwidth of expression transmitting physical Uplink Shared Channel,
Figure A200810189282C00063
Expression is used to transmit the single-carrier frequency division multiple access symbol quantity of PUSCH;
Figure A200810189282C00064
Represent the Resource Unit quantity that comprises in the Resource Block, TBS and M PUSCHSignaling obtains among the PDCCH during according to first transmission transmission block.
18, as claim 16 or 17 described methods, it is characterized in that described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
19, a kind of method for controlling physical uplink shared channel transmission power, it is characterized in that, have only ascending control information to send on the capable physically shared channel, when not having the Uplink Shared Channel data to send, obtain the bandwidth M of transmission block size TBS and transmitting physical Uplink Shared Channel according to signaling among the preceding PDCCH when once sending transmission block for the first time PUSCH, according to this TBS and M PUSCHPhysical uplink shared channel transmission power is set.
20, method as claimed in claim 19 is characterized in that, described physical uplink shared channel transmission power is according to the following formula setting:
P PUSCH(i)=min{P MAX,10·log 10(M PUSCH(i))+P O_PUSCH(j)+α·PL+Δ TF(i)+f(i)}
Wherein,
P MAXThe expression transmission power upper limit;
M PUSCH(i) be used for the bandwidth of transmitting physical Uplink Shared Channel among the expression subframe i;
P O_PUSCH(j) expression target reference power;
α represents the path loss modifying factor;
PL represents path loss;
The power control correction function of f (i) expression subframe i;
Δ TF(i) be the transformat offset parameter;
Work as K S=1.25 o'clock, Δ TF ( i ) = 10 · log 10 ( 2 MPR · K S - 1 ) ; Work as K S=0 o'clock, Δ TF(i)=0; K SBe the total parameter in a sub-district, by the Radio Resource control configuration of high level; MPR=TBS/N RE, N REThe quantity of expression Resource Unit, N RE = M PUSCH · N sc RB · N symb PUSCH ; Expression is used to transmit the single-carrier frequency division multiple access symbol quantity of PUSCH;
Figure A200810189282C00074
Represent the Resource Unit quantity that comprises in the Resource Block.
21, as claim 19 or 20 described methods, it is characterized in that described ascending control information comprises: correctly reply ACK and/or wrong responses NACK and/or rank indication information RI, channel quality indicator (CQI) and/or pre-coding matrix indication PMI.
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Application publication date: 20090603