CN1579053A - 用于提供发射分集的方法和基站 - Google Patents
用于提供发射分集的方法和基站 Download PDFInfo
- Publication number
- CN1579053A CN1579053A CN02821569.9A CN02821569A CN1579053A CN 1579053 A CN1579053 A CN 1579053A CN 02821569 A CN02821569 A CN 02821569A CN 1579053 A CN1579053 A CN 1579053A
- Authority
- CN
- China
- Prior art keywords
- signal
- pilot tone
- phase
- data flow
- antenna
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000010363 phase shift Effects 0.000 claims abstract description 82
- 238000004891 communication Methods 0.000 claims description 40
- 238000004590 computer program Methods 0.000 claims 2
- 238000005562 fading Methods 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 7
- 230000006870 function Effects 0.000 description 7
- 101150067286 STS1 gene Proteins 0.000 description 5
- 101100028967 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) PDR5 gene Proteins 0.000 description 5
- 101150027289 Ubash3b gene Proteins 0.000 description 5
- 102100040338 Ubiquitin-associated and SH3 domain-containing protein B Human genes 0.000 description 5
- 101150005017 STS2 gene Proteins 0.000 description 4
- 101150006480 Ubash3a gene Proteins 0.000 description 4
- 102100040337 Ubiquitin-associated and SH3 domain-containing protein A Human genes 0.000 description 4
- 101100313728 Vitis vinifera VINST1 gene Proteins 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 238000007630 basic procedure Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- WPBKQAUPVSRZPK-UHFFFAOYSA-N CBSC Chemical compound CBSC WPBKQAUPVSRZPK-UHFFFAOYSA-N 0.000 description 1
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- 238000013461 design Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/011,026 | 2001-12-06 | ||
US10/011,026 US20030108087A1 (en) | 2001-12-06 | 2001-12-06 | Method and base station for providing transmit diversity |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1579053A true CN1579053A (zh) | 2005-02-09 |
CN1323494C CN1323494C (zh) | 2007-06-27 |
Family
ID=21748534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028215699A Expired - Fee Related CN1323494C (zh) | 2001-12-06 | 2002-11-26 | 用于提供发射分集的方法和基站 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20030108087A1 (zh) |
CN (1) | CN1323494C (zh) |
AU (1) | AU2002366519A1 (zh) |
CA (1) | CA2468868A1 (zh) |
WO (1) | WO2003050969A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015096094A1 (zh) * | 2013-12-26 | 2015-07-02 | 华为技术有限公司 | 信号的调制及数字信息的恢复方法、通信设备及系统 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6907028B2 (en) * | 2002-02-14 | 2005-06-14 | Nokia Corporation | Clock-based time slicing |
US7058034B2 (en) * | 2002-09-09 | 2006-06-06 | Nokia Corporation | Phase shifted time slice transmission to improve handover |
US7024166B2 (en) * | 2002-12-18 | 2006-04-04 | Qualcomm, Incorporated | Transmission diversity systems |
KR100943894B1 (ko) * | 2002-12-26 | 2010-02-24 | 엘지전자 주식회사 | 이동 통신 시스템에서의 전송 다이버시티 방법 |
US7242722B2 (en) * | 2003-10-17 | 2007-07-10 | Motorola, Inc. | Method and apparatus for transmission and reception within an OFDM communication system |
US7852963B2 (en) * | 2004-03-05 | 2010-12-14 | Alcatel-Lucent Usa Inc. | Method and system for predicting signal power to interference metric |
US7957351B2 (en) * | 2005-04-04 | 2011-06-07 | Qualcomm Incorporated | Method and apparatus for management of multi-carrier communications in a wireless communication system |
US8537761B1 (en) | 2005-12-28 | 2013-09-17 | At&T Intellectual Property Ii, L.P. | Incorporation of mesh base stations in a wireless system |
US20080117953A1 (en) * | 2006-11-20 | 2008-05-22 | Yu-Min Chuang | Frequency offset estimation circuit of receiving device of wireless transmission system |
US7860465B2 (en) * | 2007-05-01 | 2010-12-28 | Research In Motion Limited | Apparatus, and associated method, for providing open loop diversity in a radio communication system |
US9450659B2 (en) * | 2011-11-04 | 2016-09-20 | Alcatel Lucent | Method and apparatus to generate virtual sector wide static beams using phase shift transmit diversity |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5812935A (en) * | 1993-04-17 | 1998-09-22 | Hughes Electronics | Cellular system employing base station transmit diversity according to transmission quality level |
CA2118355C (en) * | 1993-11-30 | 2002-12-10 | Michael James Gans | Orthogonal polarization and time varying offsetting of signals for digital data transmission or reception |
US5852630A (en) * | 1997-07-17 | 1998-12-22 | Globespan Semiconductor, Inc. | Method and apparatus for a RADSL transceiver warm start activation procedure with precoding |
US6038263A (en) * | 1997-07-31 | 2000-03-14 | Motorola, Inc. | Method and apparatus for transmitting signals in a communication system |
US6643338B1 (en) * | 1998-10-07 | 2003-11-04 | Texas Instruments Incorporated | Space time block coded transmit antenna diversity for WCDMA |
US6327299B1 (en) * | 1999-08-31 | 2001-12-04 | Motorola, Inc. | Method and system for measuring and adjusting the quality of an orthogonal transmit diversity signal in a wireless communications system |
US6788661B1 (en) * | 1999-11-12 | 2004-09-07 | Nikia Networks Oy | Adaptive beam-time coding method and apparatus |
WO2001091318A1 (en) * | 2000-05-25 | 2001-11-29 | Samsung Electronics Co., Ltd | Apparatus and method for transmission diversity using more than two antennas |
EP2262151B1 (en) * | 2000-07-05 | 2017-10-04 | Sony Deutschland Gmbh | Pilot pattern design for multiple antennas in an OFDM system |
-
2001
- 2001-12-06 US US10/011,026 patent/US20030108087A1/en not_active Abandoned
-
2002
- 2002-11-26 CN CNB028215699A patent/CN1323494C/zh not_active Expired - Fee Related
- 2002-11-26 AU AU2002366519A patent/AU2002366519A1/en not_active Abandoned
- 2002-11-26 CA CA002468868A patent/CA2468868A1/en not_active Abandoned
- 2002-11-26 WO PCT/US2002/038086 patent/WO2003050969A1/en not_active Application Discontinuation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015096094A1 (zh) * | 2013-12-26 | 2015-07-02 | 华为技术有限公司 | 信号的调制及数字信息的恢复方法、通信设备及系统 |
CN104904173A (zh) * | 2013-12-26 | 2015-09-09 | 华为技术有限公司 | 信号的调制及数字信息的恢复方法、通信设备及系统 |
CN104904173B (zh) * | 2013-12-26 | 2018-10-09 | 华为技术有限公司 | 信号的调制及数字信息的恢复方法、通信设备及系统 |
Also Published As
Publication number | Publication date |
---|---|
WO2003050969A1 (en) | 2003-06-19 |
CN1323494C (zh) | 2007-06-27 |
US20030108087A1 (en) | 2003-06-12 |
AU2002366519A1 (en) | 2003-06-23 |
CA2468868A1 (en) | 2003-06-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: MOTOROLA MOBILE CO., LTD Free format text: FORMER OWNER: MOTOROLA INC. Effective date: 20110118 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20110118 Address after: Illinois State Patentee after: MOTOROLA MOBILITY, Inc. Address before: Illinois, USA Patentee before: Motorola, Inc. |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: Illinois State Patentee after: MOTOROLA MOBILITY LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY, Inc. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20160303 Address after: California, USA Patentee after: Google Technology Holdings LLC Address before: Illinois State Patentee before: MOTOROLA MOBILITY LLC |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070627 Termination date: 20211126 |
|
CF01 | Termination of patent right due to non-payment of annual fee |