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
- 230000004048 modification Effects 0.000 description 2
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- WPBKQAUPVSRZPK-UHFFFAOYSA-N CBSC Chemical compound CBSC WPBKQAUPVSRZPK-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 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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- 208000000995 spontaneous abortion 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
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 |
ATE311045T1 (de) * | 2000-05-25 | 2005-12-15 | Samsung Electronics Co Ltd | Vorrichtung und verfahren f r bertragungs- diversity durch verwendung von mehr als zwei antennen |
EP2262157A3 (en) * | 2000-07-05 | 2011-03-23 | Sony Deutschland Gmbh | Pilot pattern design for a STTD scheme in an OFDM system |
-
2001
- 2001-12-06 US US10/011,026 patent/US20030108087A1/en not_active Abandoned
-
2002
- 2002-11-26 AU AU2002366519A patent/AU2002366519A1/en not_active Abandoned
- 2002-11-26 CN CNB028215699A patent/CN1323494C/zh not_active Expired - Fee Related
- 2002-11-26 WO PCT/US2002/038086 patent/WO2003050969A1/en not_active Application Discontinuation
- 2002-11-26 CA CA002468868A patent/CA2468868A1/en not_active Abandoned
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 |
---|---|
CN1323494C (zh) | 2007-06-27 |
WO2003050969A1 (en) | 2003-06-19 |
CA2468868A1 (en) | 2003-06-19 |
US20030108087A1 (en) | 2003-06-12 |
AU2002366519A1 (en) | 2003-06-23 |
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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 |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070627 Termination date: 20211126 |
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CF01 | Termination of patent right due to non-payment of annual fee |