ATE491269T1 - Verfahren zur bestimmung von sendegewichten - Google Patents
Verfahren zur bestimmung von sendegewichtenInfo
- Publication number
- ATE491269T1 ATE491269T1 AT03783024T AT03783024T ATE491269T1 AT E491269 T1 ATE491269 T1 AT E491269T1 AT 03783024 T AT03783024 T AT 03783024T AT 03783024 T AT03783024 T AT 03783024T AT E491269 T1 ATE491269 T1 AT E491269T1
- Authority
- AT
- Austria
- Prior art keywords
- transmission
- weights
- transmission weights
- determining transmission
- quality
- 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
- H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
-
- 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
- H04B7/0617—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 for beam forming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2626—Arrangements specific to the transmitter only
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Radio Transmission System (AREA)
- Lasers (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE2003/002071 WO2005062496A1 (en) | 2003-12-22 | 2003-12-22 | A method for determining transmit weights |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE491269T1 true ATE491269T1 (de) | 2010-12-15 |
Family
ID=34709479
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT03783024T ATE491269T1 (de) | 2003-12-22 | 2003-12-22 | Verfahren zur bestimmung von sendegewichten |
Country Status (9)
Country | Link |
---|---|
US (1) | US7406336B2 (de) |
EP (1) | EP1700397B1 (de) |
JP (1) | JP4435737B2 (de) |
CN (1) | CN1886915B (de) |
AT (1) | ATE491269T1 (de) |
AU (1) | AU2003290487A1 (de) |
DE (1) | DE60335305D1 (de) |
TW (1) | TW200537835A (de) |
WO (1) | WO2005062496A1 (de) |
Families Citing this family (77)
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US7295509B2 (en) | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
WO2005062497A1 (en) * | 2003-12-22 | 2005-07-07 | Telefonaktiebolaget Lm Ericsson (Publ) | A measurement method for spatial scheduling |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
EP1622288B1 (de) * | 2004-07-27 | 2012-10-24 | Broadcom Corporation | Übertragung von Pilotsymbolen für mehrere Sendekommunikationssysteme |
US7492829B2 (en) * | 2004-09-10 | 2009-02-17 | Intel Corporation | Closed loop feedback in MIMO systems |
US7539253B2 (en) * | 2004-09-10 | 2009-05-26 | Intel Corporation | Interpolation in channel state feedback |
US7542454B2 (en) * | 2005-01-21 | 2009-06-02 | Intel Corporation | MIMO channel feedback protocols |
GB2422516B (en) * | 2005-01-21 | 2007-09-26 | Toshiba Res Europ Ltd | Wireless communications system and method |
US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
US9154211B2 (en) * | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
US9143305B2 (en) | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
US20070121751A1 (en) * | 2005-06-09 | 2007-05-31 | Qinghua Li | Methods and apparatus for beamforming training symbols in wireless multiple-input-multiple-output systems |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US8599945B2 (en) | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
US8644292B2 (en) | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
EP1760905A1 (de) * | 2005-09-02 | 2007-03-07 | Mitsubishi Electric Information Technology Centre Europe B.V. | Verfahren zum Regeln von Übertragungssignalen zwischen einer ersten Kommunikationsvorrichtung und einer zweiten Kommunikationsvorrichtung über ein drahtloses Netzwerk |
CN100423603C (zh) * | 2005-09-12 | 2008-10-01 | 大唐移动通信设备有限公司 | 多载波高速下行分组接入中下行波束赋形的方法 |
JP4504293B2 (ja) * | 2005-09-29 | 2010-07-14 | 株式会社東芝 | 複数アンテナを備えた無線通信装置および無線通信システム、無線通信方法 |
US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
KR100996023B1 (ko) * | 2005-10-31 | 2010-11-22 | 삼성전자주식회사 | 다중 안테나 통신 시스템에서 데이터 송수신 장치 및 방법 |
EP1780907B1 (de) * | 2005-10-31 | 2008-07-09 | Mitsubishi Electric Information Technology Centre Europe B.V. | Verfahren zur Steuerung der Übertragung von Nachrichtensignalen |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
KR101402984B1 (ko) * | 2006-07-07 | 2014-06-09 | 삼성전자주식회사 | 통신 시스템의 신호 송신 방법 및 장치 |
US8019287B2 (en) * | 2006-08-07 | 2011-09-13 | Motorola Mobility, Inc. | On demand antenna feedback |
US9179394B2 (en) * | 2006-10-20 | 2015-11-03 | Stmicroelectronics, Inc. | Apparatus and method for coordinated sensing of wireless devices in a communication system |
KR101365563B1 (ko) * | 2007-03-26 | 2014-02-21 | 퍼듀 리서치 파운데이션 | 다중 사용자 통신 방법에서 피드백 정보 제어 방법 |
US7966011B2 (en) * | 2007-03-26 | 2011-06-21 | Qualcomm Incorporated | Determining per sector received power level |
US8170617B2 (en) * | 2007-03-26 | 2012-05-01 | Sibeam, Inc. | Extensions to adaptive beam-steering method |
EP1983660A1 (de) * | 2007-04-16 | 2008-10-22 | Nokia Siemens Networks Oy | Konfigurierbarer Mehrantennen-Sender/Empfänger |
US7747285B2 (en) * | 2007-07-11 | 2010-06-29 | Alcatel-Lucent Usa Inc. | Method of transmit beamforming for multicasting in a wireless communication system |
EP2023502B1 (de) * | 2007-08-10 | 2013-12-11 | Alcatel Lucent | Verfahren zur Bereitstellung eines Rundfunk- oder Multicast-Dienstes in einem digitalen drahtlosen Kommunikationsnetzwerk |
US8207892B2 (en) * | 2007-10-30 | 2012-06-26 | Rambus Inc. | Technique for determining an angle of arrival in a communication system |
CN101453255A (zh) * | 2007-11-28 | 2009-06-10 | 华为技术有限公司 | 一种波束成形的方法、系统和装置 |
CN101884175B (zh) * | 2007-12-05 | 2013-04-17 | 富士通株式会社 | 发送装置、发送控制方法以及通信装置 |
US8351521B2 (en) * | 2008-03-17 | 2013-01-08 | Qualcomm Incorporated | Multi-resolution beamforming based on codebooks in MIMO systems |
EP2129173B1 (de) * | 2008-05-30 | 2011-07-20 | Alcatel Lucent | Verfahren und Basisstation zur Steuerung einer Strahlbildung in einem mobilen zellularen Netzwerk |
BRPI0822777B1 (pt) | 2008-06-30 | 2020-08-04 | Telecom Italia S.P.A | Método para transmitir sinais a partir de uma femtocélula, femtocélula para um sistema de comunicação celular, e, meio de armazenamento legível por computador |
US8577296B2 (en) * | 2008-08-29 | 2013-11-05 | Empire Technology Development, Llc | Weighting factor adjustment in adaptive antenna arrays |
EP2161956B1 (de) * | 2008-09-04 | 2011-06-15 | Alcatel Lucent | Femto-Zellenbasisstation und Verfahren zum Herstellen eines Femto-Zellen Rundsendekanalstrahls |
ATE511737T1 (de) * | 2008-09-19 | 2011-06-15 | Alcatel Lucent | Verfahren zur satzbildung von mobilen stationen in mimo-systemen, entsprechende mobilstation, basisstation, betrieb und wartungszentrum und funkkommunikationsnetzwerk |
EP3716673B1 (de) * | 2008-10-29 | 2022-09-14 | Marvell Asia Pte, Ltd. | Verfahren und vorrichtung fuer eine sendestrahlformungssektorabtastung in einer mehrantennenkommunikation |
GB2466070B (en) | 2008-12-12 | 2014-04-30 | Nokia Corp | An apparatus |
US9178593B1 (en) | 2009-04-21 | 2015-11-03 | Marvell International Ltd. | Directional channel measurement and interference avoidance |
US9184511B2 (en) * | 2009-07-10 | 2015-11-10 | Futurewei Technologies, Inc. | System and method for downlink channel sounding in wireless communications systems |
US9961701B2 (en) | 2010-02-02 | 2018-05-01 | Qualcomm Incorporated | Methods and apparatuses for transmitting an allocation of time in a wireless system |
US9121943B2 (en) | 2011-05-23 | 2015-09-01 | Sony Corporation | Beam forming device and method |
KR101839386B1 (ko) * | 2011-08-12 | 2018-03-16 | 삼성전자주식회사 | 무선 통신 시스템에서의 적응적 빔포밍 장치 및 방법 |
KR102043021B1 (ko) | 2013-04-15 | 2019-11-12 | 삼성전자주식회사 | 이동 통신 시스템에서 빔포밍을 위한 스케쥴링 방법 및 장치 |
WO2014178642A1 (en) * | 2013-04-30 | 2014-11-06 | Samsung Electronics Co., Ltd. | Apparatus and method for transmitting/receiving reference signal in wireless communication system supporting beam forming scheme |
EP2838155A1 (de) * | 2013-08-12 | 2015-02-18 | Alcatel Lucent | Nichtmechanische adaptive Antenne für Mikrowellenverknüpfungen |
CN107408964B (zh) | 2015-03-10 | 2021-05-25 | 瑞典爱立信有限公司 | 用于控制无线电传输的方法、设备和介质 |
CN106161725B (zh) * | 2015-03-24 | 2019-10-29 | 联想(北京)有限公司 | 一种信息处理方法及电子设备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA95797B (en) * | 1994-02-14 | 1996-06-20 | Qualcomm Inc | Dynamic sectorization in a spread spectrum communication system |
KR100316777B1 (ko) * | 1999-08-24 | 2001-12-12 | 윤종용 | 차세대 이동 통신 시스템에서의 폐쇄 루프 전송 안테나 다이버시티 방법 및 이를 위한 기지국 장치 및 이동국 장치 |
JP4094190B2 (ja) * | 1999-10-26 | 2008-06-04 | 三菱電機株式会社 | 送信ビーム制御装置および制御方法 |
GB0020088D0 (en) * | 2000-08-15 | 2000-10-04 | Fujitsu Ltd | Adaptive beam forming |
JP3975054B2 (ja) * | 2000-11-09 | 2007-09-12 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信方法及びその装置 |
JP3558053B2 (ja) * | 2001-06-06 | 2004-08-25 | 日本電気株式会社 | 適応アンテナ受信装置 |
GB2386476B (en) | 2002-03-14 | 2004-05-12 | Toshiba Res Europ Ltd | Antenna signal processing systems |
US6927728B2 (en) * | 2003-03-13 | 2005-08-09 | Motorola, Inc. | Method and apparatus for multi-antenna transmission |
-
2003
- 2003-12-22 JP JP2005512359A patent/JP4435737B2/ja not_active Expired - Fee Related
- 2003-12-22 DE DE60335305T patent/DE60335305D1/de not_active Expired - Lifetime
- 2003-12-22 WO PCT/SE2003/002071 patent/WO2005062496A1/en not_active Application Discontinuation
- 2003-12-22 CN CN2003801108723A patent/CN1886915B/zh not_active Expired - Fee Related
- 2003-12-22 AU AU2003290487A patent/AU2003290487A1/en not_active Abandoned
- 2003-12-22 AT AT03783024T patent/ATE491269T1/de not_active IP Right Cessation
- 2003-12-22 EP EP03783024A patent/EP1700397B1/de not_active Expired - Lifetime
- 2003-12-22 US US10/596,688 patent/US7406336B2/en not_active Expired - Fee Related
-
2004
- 2004-11-11 TW TW093134543A patent/TW200537835A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
EP1700397B1 (de) | 2010-12-08 |
JP4435737B2 (ja) | 2010-03-24 |
AU2003290487A1 (en) | 2005-07-14 |
CN1886915B (zh) | 2010-06-09 |
US20070099666A1 (en) | 2007-05-03 |
WO2005062496A1 (en) | 2005-07-07 |
JP2007521708A (ja) | 2007-08-02 |
TW200537835A (en) | 2005-11-16 |
EP1700397A1 (de) | 2006-09-13 |
CN1886915A (zh) | 2006-12-27 |
US7406336B2 (en) | 2008-07-29 |
DE60335305D1 (de) | 2011-01-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |