WO2001063796A1 - Datenübertragungsverfahren und -system mit sendeantennen-diversität - Google Patents
Datenübertragungsverfahren und -system mit sendeantennen-diversität Download PDFInfo
- Publication number
- WO2001063796A1 WO2001063796A1 PCT/DE2001/000588 DE0100588W WO0163796A1 WO 2001063796 A1 WO2001063796 A1 WO 2001063796A1 DE 0100588 W DE0100588 W DE 0100588W WO 0163796 A1 WO0163796 A1 WO 0163796A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- station
- data
- antennas
- reference signal
- 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
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50102267T DE50102267D1 (de) | 2000-02-26 | 2001-02-16 | Datenübertragungsverfahren und -system mit sendeantennen-diversität |
EP01915012A EP1262031B1 (de) | 2000-02-26 | 2001-02-16 | Datenübertragungsverfahren und -system mit sendeantennen-diversität |
US10/204,943 US7274678B2 (en) | 2000-02-26 | 2001-02-16 | Method and system for transmitting data, with transmission antenna diversity |
JP2001562870A JP4746243B2 (ja) | 2000-02-26 | 2001-02-16 | データ伝送方法およびデータ伝送システム |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10009150.4 | 2000-02-26 | ||
DE10009150A DE10009150A1 (de) | 2000-02-26 | 2000-02-26 | Datenübertragungsverfahren und -system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001063796A1 true WO2001063796A1 (de) | 2001-08-30 |
Family
ID=7632562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2001/000588 WO2001063796A1 (de) | 2000-02-26 | 2001-02-16 | Datenübertragungsverfahren und -system mit sendeantennen-diversität |
Country Status (5)
Country | Link |
---|---|
US (1) | US7274678B2 (de) |
EP (1) | EP1262031B1 (de) |
JP (1) | JP4746243B2 (de) |
DE (2) | DE10009150A1 (de) |
WO (1) | WO2001063796A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7342943B2 (en) | 2001-10-25 | 2008-03-11 | Ntt Docomo, Inc. | Radio base station and method of controlling radio communications |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8249187B2 (en) | 2002-05-09 | 2012-08-21 | Google Inc. | System, method and apparatus for mobile transmit diversity using symmetric phase difference |
EP1391059B1 (de) | 2001-05-31 | 2009-01-21 | Magnolia Broadband, Inc. | Kommunikationseinrichtung mit intelligenter antenne, die ein qualitätsanzeigesignal verwendet |
JP2003087161A (ja) * | 2001-09-06 | 2003-03-20 | Ntt Docomo Inc | 無線基地局及び無線通信制御方法 |
DE10227853B4 (de) * | 2002-06-21 | 2006-11-23 | Siemens Ag | Verfahren zur Datenübertragung in einem Funkkommunikationssystem |
US7136660B2 (en) | 2002-06-21 | 2006-11-14 | Siemens Aktiengesellschaft | Positional determination of a user in a mobile communications system with emission diversity |
AU2003286785A1 (en) | 2002-11-01 | 2004-06-07 | Magnolia Broadband Inc. | Processing diversity signals using a delay |
US7418067B1 (en) | 2003-04-14 | 2008-08-26 | Magnolia Broadband Inc. | Processing diversity signals at a mobile device using phase adjustments |
US7430430B2 (en) | 2003-12-16 | 2008-09-30 | Magnolia Broadband Inc. | Adjusting a signal at a diversity system |
US7272359B2 (en) | 2004-01-26 | 2007-09-18 | Magnolia Broadband Inc. | Communicating signals according to a quality indicator using multiple antenna elements |
US7558591B2 (en) | 2004-10-12 | 2009-07-07 | Magnolia Broadband Inc. | Determining a power control group boundary of a power control group |
US7515877B2 (en) | 2004-11-04 | 2009-04-07 | Magnolia Broadband Inc. | Communicating signals according to a quality indicator and a time boundary indicator |
US7616930B2 (en) | 2005-05-24 | 2009-11-10 | Magnolia Broadband Inc. | Determining a phase adjustment in accordance with power trends |
US7783267B1 (en) | 2005-06-23 | 2010-08-24 | Magnolia Broadband Inc. | Modifying a signal in response to quality indicator availability |
US7633905B1 (en) | 2005-09-02 | 2009-12-15 | Magnolia Broadband Inc. | Calibrating a transmit diversity communication device |
US7746946B2 (en) | 2005-10-10 | 2010-06-29 | Magnolia Broadband Inc. | Performing a scan of diversity parameter differences |
US7630445B1 (en) | 2005-10-25 | 2009-12-08 | Magnolia Broadband Inc. | Establishing slot boundaries of slots of a diversity control feedback signal |
US7796717B2 (en) | 2005-11-02 | 2010-09-14 | Magnolia Brandband Inc. | Modifying a signal according to a diversity parameter adjustment |
US7965987B2 (en) | 2005-11-03 | 2011-06-21 | Magnolia Broadband Inc. | Amplifying a transmit signal using a fractional power amplifier |
US7949069B2 (en) | 2006-10-26 | 2011-05-24 | Magnolia Broadband Inc. | Method, system and apparatus for applying hybrid ARQ to the control of transmit diversity |
US8150441B2 (en) | 2006-11-06 | 2012-04-03 | Magnolia Broadband Inc. | Modifying a signal by controlling transmit diversity parameters |
US8199735B2 (en) | 2006-12-12 | 2012-06-12 | Google Inc. | Method, system and apparatus for the control of transmit diversity |
US7663545B2 (en) | 2006-12-26 | 2010-02-16 | Magnolia Broadband Inc. | Method, system and apparatus for determining antenna weighting for transmit diversity |
US8027374B2 (en) | 2006-12-27 | 2011-09-27 | Magnolia Broadband Inc. | Method, system and apparatus for transmit diversity control |
US7869535B2 (en) | 2007-02-28 | 2011-01-11 | Magnolia Broadband Inc. | Method, system and apparatus for phase control of transmit diversity signals |
US7991365B2 (en) | 2007-03-01 | 2011-08-02 | Magnolia Broadband Inc. | Method, system and apparatus for estimation of propagation path variability of a transmit diversity channel |
US20080227414A1 (en) | 2007-03-01 | 2008-09-18 | Yair Karmi | System, method and apparatus for transmit diversity control based on variations in propagation path |
ATE509497T1 (de) | 2007-03-14 | 2011-05-15 | Magnolia Broadband Inc | Verfahren, vorrichtung und system zur bereitstellung von übertragungsdiversitätrückmeldung |
US8032091B2 (en) | 2007-03-14 | 2011-10-04 | Magnolia Broadband Inc. | Method, apparatus and system for providing transmit diversity feedback during soft handoff |
US8750811B2 (en) | 2007-03-14 | 2014-06-10 | Google Inc. | Method, apparatus and system for phase difference adjustment in transmit diversity |
US8699968B2 (en) | 2007-03-14 | 2014-04-15 | Google Inc. | Using multiple and a single feedback for UE uplink beamforming in soft handoff |
WO2008113038A1 (en) | 2007-03-15 | 2008-09-18 | Magnolia Broadband Inc. | Method of controlling a transmit diversity device |
US8036603B2 (en) | 2007-03-15 | 2011-10-11 | Magnolia Broadband Inc. | Method, apparatus and system for providing feedback to a transmit diversity device |
US8046017B2 (en) | 2007-03-15 | 2011-10-25 | Magnolia Broadband Inc. | Method and apparatus for random access channel probe initialization using transmit diversity |
US8032092B2 (en) | 2007-12-06 | 2011-10-04 | Magnolia Broadband Inc. | System, apparatus and method for introducing antenna pattern variability |
US8442457B2 (en) | 2009-09-08 | 2013-05-14 | Google Inc. | System and method for adaptive beamforming for specific absorption rate control |
US8958757B2 (en) | 2010-05-10 | 2015-02-17 | Google Inc. | System, method and apparatus for mobile transmit diversity using symmetric phase difference |
EP2578042B1 (de) | 2010-05-26 | 2015-07-08 | Google, Inc. | Verfahren zur rach-sondeninitialisierung mittels übertragungsdiversität |
US9048913B2 (en) | 2010-07-06 | 2015-06-02 | Google Inc. | Method and apparatus for adaptive control of transmit diversity to provide operating power reduction |
US8849222B2 (en) | 2011-02-16 | 2014-09-30 | Google Inc. | Method and device for phase adjustment based on closed-loop diversity feedback |
JP5620888B2 (ja) * | 2011-07-26 | 2014-11-05 | 京セラ株式会社 | 無線基地局及び通信制御方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998027669A1 (en) * | 1996-12-16 | 1998-06-25 | Cwill Telecommunications, Inc. | Smart antenna cdma wireless communication system |
WO1999035764A1 (en) * | 1998-01-09 | 1999-07-15 | Nokia Networks Oy | Method for directing antenna beam, and transceiver in a mobile communication system |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5369670A (en) * | 1992-02-14 | 1994-11-29 | Agt Limited | Method and apparatus for demodulation of a signal transmitted over a fading channel using phase estimation |
TW351886B (en) * | 1993-09-27 | 1999-02-01 | Ericsson Telefon Ab L M | Using two classes of channels with different capacity |
JPH08274687A (ja) * | 1995-03-31 | 1996-10-18 | Matsushita Electric Ind Co Ltd | Cdma無線伝送装置およびcdma無線伝送システム |
US5886988A (en) * | 1996-10-23 | 1999-03-23 | Arraycomm, Inc. | Channel assignment and call admission control for spatial division multiple access communication systems |
JP3095065B2 (ja) * | 1997-09-11 | 2000-10-03 | 日本電気株式会社 | スペクトル拡散信号のレイク受信方法およびレイク受信装置 |
US6519478B1 (en) * | 1997-09-15 | 2003-02-11 | Metawave Communications Corporation | Compact dual-polarized adaptive antenna array communication method and apparatus |
US6615024B1 (en) * | 1998-05-01 | 2003-09-02 | Arraycomm, Inc. | Method and apparatus for determining signatures for calibrating a communication station having an antenna array |
US7020071B2 (en) * | 1998-11-25 | 2006-03-28 | Lucent Technologies Inc. | Methods and apparatus for wireless communication using orthogonal frequency division multiplexing |
US6124824A (en) * | 1999-01-29 | 2000-09-26 | Cwill Telecommunications, Inc. | Adaptive antenna array system calibration |
US6721299B1 (en) * | 1999-03-15 | 2004-04-13 | Lg Information & Communications, Ltd. | Pilot signals for synchronization and/or channel estimation |
US6452917B1 (en) * | 1999-04-08 | 2002-09-17 | Qualcomm Incorporated | Channel estimation in a CDMA wireless communication system |
-
2000
- 2000-02-26 DE DE10009150A patent/DE10009150A1/de not_active Withdrawn
-
2001
- 2001-02-16 JP JP2001562870A patent/JP4746243B2/ja not_active Expired - Lifetime
- 2001-02-16 WO PCT/DE2001/000588 patent/WO2001063796A1/de active IP Right Grant
- 2001-02-16 US US10/204,943 patent/US7274678B2/en not_active Expired - Lifetime
- 2001-02-16 EP EP01915012A patent/EP1262031B1/de not_active Expired - Lifetime
- 2001-02-16 DE DE50102267T patent/DE50102267D1/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998027669A1 (en) * | 1996-12-16 | 1998-06-25 | Cwill Telecommunications, Inc. | Smart antenna cdma wireless communication system |
WO1999035764A1 (en) * | 1998-01-09 | 1999-07-15 | Nokia Networks Oy | Method for directing antenna beam, and transceiver in a mobile communication system |
Non-Patent Citations (2)
Title |
---|
GOLDBERG J ET AL: "DOWNLINK BEAMFORMING FOR CELLULAR MOBILE COMMUNICATIONS", PHOENIX, MAY 4 - 7, 1997,NEW YORK, IEEE,US, vol. CONF. 47, 4 May 1997 (1997-05-04), pages 632 - 636, XP000736684, ISBN: 0-7803-3660-7 * |
WITTNEBEN A: "ANALYSIS AND COMPARISON OF OPTIMAL PREDICTIVE TRANSMITTER SELECTIONAND COMBINING DIVERSITY FOR DECT", SINGAPORE, NOV. 14 - 16, 1995,NEW YORK, IEEE,US, 14 November 1995 (1995-11-14), pages 1527 - 1531, XP000623041, ISBN: 0-7803-2510-9 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7342943B2 (en) | 2001-10-25 | 2008-03-11 | Ntt Docomo, Inc. | Radio base station and method of controlling radio communications |
Also Published As
Publication number | Publication date |
---|---|
DE10009150A1 (de) | 2001-08-30 |
EP1262031B1 (de) | 2004-05-12 |
EP1262031A1 (de) | 2002-12-04 |
JP4746243B2 (ja) | 2011-08-10 |
JP2003524989A (ja) | 2003-08-19 |
DE50102267D1 (de) | 2004-06-17 |
US20030128677A1 (en) | 2003-07-10 |
US7274678B2 (en) | 2007-09-25 |
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