WO2001054304A1 - Dispositif et procede de radiocommunication - Google Patents
Dispositif et procede de radiocommunication Download PDFInfo
- Publication number
- WO2001054304A1 WO2001054304A1 PCT/JP2001/000247 JP0100247W WO0154304A1 WO 2001054304 A1 WO2001054304 A1 WO 2001054304A1 JP 0100247 W JP0100247 W JP 0100247W WO 0154304 A1 WO0154304 A1 WO 0154304A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phase rotation
- signal
- phase
- antenna element
- transmission
- Prior art date
Links
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
- H04B7/0615—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 of weighted versions of same signal
- H04B7/0619—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 of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0634—Antenna weights or vector/matrix coefficients
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU27039/01A AU2703901A (en) | 2000-01-18 | 2001-01-17 | Radio communication device and radio communication method |
EP01901373A EP1160998A1 (en) | 2000-01-18 | 2001-01-17 | Radio communication device and radio communication method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2000-9016 | 2000-01-18 | ||
JP2000009016A JP4495288B2 (ja) | 2000-01-18 | 2000-01-18 | 基地局装置、通信端末装置、及び無線通信方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001054304A1 true WO2001054304A1 (fr) | 2001-07-26 |
Family
ID=18537215
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2001/000247 WO2001054304A1 (fr) | 2000-01-18 | 2001-01-17 | Dispositif et procede de radiocommunication |
Country Status (6)
Country | Link |
---|---|
US (1) | US20020186785A1 (ja) |
EP (1) | EP1160998A1 (ja) |
JP (1) | JP4495288B2 (ja) |
CN (1) | CN1358357A (ja) |
AU (1) | AU2703901A (ja) |
WO (1) | WO2001054304A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9900785B2 (en) | 2013-01-15 | 2018-02-20 | National Institute Of Information And Communications Technology | Wireless device |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MXPA02009345A (es) * | 2000-03-28 | 2003-09-22 | Interdigital Tech Corp | Sistema cdma que utiliza pre-rotacion antes de la trasmision. |
WO2003039031A1 (fr) * | 2001-10-31 | 2003-05-08 | Matsushita Electric Industrial Co., Ltd. | Dispositif d'emission radio et procede de communication radio |
EP1453223A1 (en) * | 2001-11-30 | 2004-09-01 | Fujitsu Limited | Transmission diversity communication device |
DE10217853A1 (de) * | 2002-04-22 | 2003-11-13 | Infineon Technologies Ag | Vorrichtung zur Berechnung von FSM-Bits im UMTS-Standard |
US7263385B2 (en) * | 2002-08-23 | 2007-08-28 | Qualcomm Incorporated | System and method for beamforming with data rate control feedback |
KR100526542B1 (ko) * | 2003-05-15 | 2005-11-08 | 삼성전자주식회사 | 이동 통신 시스템에서 다중안테나를 사용하는송신다이버시티 방식을 사용하여 데이터를 송수신하는장치 및 방법 |
US7236540B2 (en) * | 2003-06-10 | 2007-06-26 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel estimation in a transmission diversity system |
US7103326B2 (en) * | 2003-08-25 | 2006-09-05 | Mitsubishi Electric Research Laboratories, Inc. | Adaptive transmit diversity with quadrant phase constraining feedback |
JP4751724B2 (ja) * | 2005-01-13 | 2011-08-17 | 株式会社エヌ・ティ・ティ・ドコモ | 移動局装置及び移動局装置の制御方法 |
EA014591B1 (ru) * | 2005-09-01 | 2010-12-30 | Шарп Кабусики Кайся | Способ управления передачей сигналов в системе беспроводной связи |
EA012497B1 (ru) * | 2005-10-31 | 2009-10-30 | Шарп Кабусики Кайся | Терминал связи, базовая станция и система связи |
EP1944893B1 (en) | 2005-10-31 | 2020-01-01 | Sharp Kabushiki Kaisha | Radio transmitter, radio communication system, and radio transmission method |
EP2439861B1 (en) * | 2005-12-20 | 2013-10-02 | Huawei Technologies Co., Ltd. | Transmitter apparatus for communications system using multiple antennas |
JP4658146B2 (ja) * | 2005-12-26 | 2011-03-23 | シャープ株式会社 | 無線送信機及び無線送信方法 |
JP5029690B2 (ja) * | 2007-04-12 | 2012-09-19 | 富士通株式会社 | 無線端末および無線基地局 |
CN101459635B (zh) | 2007-12-14 | 2011-03-16 | 华为技术有限公司 | 空分多址接入系统提高吞吐量性能的方法、系统及装置 |
EP2486671B8 (en) | 2009-10-08 | 2019-03-20 | Koninklijke Philips N.V. | A method for operating a radio station in a cellular communication network |
JP2010279056A (ja) * | 2010-07-16 | 2010-12-09 | Sharp Corp | 無線受信機、無線送信機、無線通信システム及び無線受信方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5877348A (ja) * | 1981-11-02 | 1983-05-10 | Nec Corp | 送信スペ−スダイバ−シテイ制御方式 |
JPS6455922A (en) * | 1987-08-27 | 1989-03-02 | Fujitsu Ltd | Transmission sd system |
JPH01218134A (ja) * | 1988-02-26 | 1989-08-31 | Toshiba Corp | 送信スペースダイバーシティ装置 |
JPH0443271U (ja) * | 1990-08-13 | 1992-04-13 | ||
JPH04150113A (ja) * | 1990-10-09 | 1992-05-22 | Nec Corp | スペースダイバーシティ方式 |
JPH0575510A (ja) * | 1991-09-18 | 1993-03-26 | Fujitsu Ltd | スペースダイバーシテイ同相合成回路 |
JPH10256969A (ja) * | 1997-03-11 | 1998-09-25 | Matsushita Electric Ind Co Ltd | 無線基地局装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05300059A (ja) * | 1992-04-22 | 1993-11-12 | Nec Corp | 送信スペースダイバーシチ方式 |
US5614914A (en) * | 1994-09-06 | 1997-03-25 | Interdigital Technology Corporation | Wireless telephone distribution system with time and space diversity transmission for determining receiver location |
US5796788A (en) * | 1996-04-19 | 1998-08-18 | Ericsson Inc. | Method and apparatus for interference decorrelation in time and space |
US5832044A (en) * | 1996-09-27 | 1998-11-03 | Elvino S. Sousa | Transmitter antenna diversity and fading-resistant modulation for wireless communication systems |
KR100347409B1 (ko) * | 1997-07-03 | 2002-08-03 | 가부시끼가이샤 도시바 | 위성 방송 시스템 |
US6185258B1 (en) * | 1997-09-16 | 2001-02-06 | At&T Wireless Services Inc. | Transmitter diversity technique for wireless communications |
US6167243A (en) * | 1998-07-01 | 2000-12-26 | Nortel Networks Limited | Diversity combining in a communications system |
BR0007463A (pt) * | 1999-01-11 | 2002-04-09 | Samsung Electronics Co Ltd | Método para gerar um código complexo quase ortogonal e dispositivo para dispersão de canal de dados usando código quase ortogonal em um sistema de comunicação de cdma |
US6654340B1 (en) * | 1999-03-31 | 2003-11-25 | Cisco Technology, Inc. | Differential OFDM using multiple receiver antennas |
-
2000
- 2000-01-18 JP JP2000009016A patent/JP4495288B2/ja not_active Expired - Fee Related
-
2001
- 2001-01-17 AU AU27039/01A patent/AU2703901A/en not_active Abandoned
- 2001-01-17 CN CN01800057A patent/CN1358357A/zh active Pending
- 2001-01-17 EP EP01901373A patent/EP1160998A1/en not_active Withdrawn
- 2001-01-17 WO PCT/JP2001/000247 patent/WO2001054304A1/ja not_active Application Discontinuation
- 2001-01-17 US US09/936,429 patent/US20020186785A1/en not_active Abandoned
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5877348A (ja) * | 1981-11-02 | 1983-05-10 | Nec Corp | 送信スペ−スダイバ−シテイ制御方式 |
JPS6455922A (en) * | 1987-08-27 | 1989-03-02 | Fujitsu Ltd | Transmission sd system |
JPH01218134A (ja) * | 1988-02-26 | 1989-08-31 | Toshiba Corp | 送信スペースダイバーシティ装置 |
JPH0443271U (ja) * | 1990-08-13 | 1992-04-13 | ||
JPH04150113A (ja) * | 1990-10-09 | 1992-05-22 | Nec Corp | スペースダイバーシティ方式 |
JPH0575510A (ja) * | 1991-09-18 | 1993-03-26 | Fujitsu Ltd | スペースダイバーシテイ同相合成回路 |
JPH10256969A (ja) * | 1997-03-11 | 1998-09-25 | Matsushita Electric Ind Co Ltd | 無線基地局装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9900785B2 (en) | 2013-01-15 | 2018-02-20 | National Institute Of Information And Communications Technology | Wireless device |
Also Published As
Publication number | Publication date |
---|---|
CN1358357A (zh) | 2002-07-10 |
JP4495288B2 (ja) | 2010-06-30 |
AU2703901A (en) | 2001-07-31 |
JP2001203614A (ja) | 2001-07-27 |
EP1160998A1 (en) | 2001-12-05 |
US20020186785A1 (en) | 2002-12-12 |
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