BRPI0917002A2 - método de realimentar informação de um receptor para um transmissor, sistema de comunicação, receptor, transmissor, e, produto de programa de computador - Google Patents
método de realimentar informação de um receptor para um transmissor, sistema de comunicação, receptor, transmissor, e, produto de programa de computadorInfo
- Publication number
- BRPI0917002A2 BRPI0917002A2 BRPI0917002A BRPI0917002A BRPI0917002A2 BR PI0917002 A2 BRPI0917002 A2 BR PI0917002A2 BR PI0917002 A BRPI0917002 A BR PI0917002A BR PI0917002 A BRPI0917002 A BR PI0917002A BR PI0917002 A2 BRPI0917002 A2 BR PI0917002A2
- Authority
- BR
- Brazil
- Prior art keywords
- transmitter
- receiver
- computer program
- communication system
- program product
- Prior art date
Links
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
-
- 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
- H04B7/022—Site diversity; Macro-diversity
- H04B7/026—Co-operative diversity, e.g. using fixed or mobile stations as relays
-
- 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
- H04B7/0413—MIMO systems
-
- 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
- H04B7/0623—Auxiliary parameters, e.g. power control [PCB] or not acknowledged commands [NACK], used as feedback information
-
- 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
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- 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
- H04B7/0619—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
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
-
- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
-
- 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
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
-
- 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
- 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
- H04L1/0028—Formatting
- H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0814495.8A GB2467303B (en) | 2008-08-07 | 2008-08-07 | Feedback in a wireless communication system |
PCT/EP2009/054460 WO2010015429A1 (en) | 2008-08-07 | 2009-04-15 | Feedback in a wireless communication system |
Publications (1)
Publication Number | Publication Date |
---|---|
BRPI0917002A2 true BRPI0917002A2 (pt) | 2016-02-16 |
Family
ID=39767702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BRPI0917002A BRPI0917002A2 (pt) | 2008-08-07 | 2009-04-15 | método de realimentar informação de um receptor para um transmissor, sistema de comunicação, receptor, transmissor, e, produto de programa de computador |
Country Status (10)
Country | Link |
---|---|
US (1) | US8588323B2 (pt) |
EP (1) | EP2321921B1 (pt) |
JP (1) | JP2011530253A (pt) |
KR (1) | KR20110044773A (pt) |
CN (1) | CN102177673B (pt) |
AT (1) | ATE544257T1 (pt) |
BR (1) | BRPI0917002A2 (pt) |
GB (1) | GB2467303B (pt) |
TW (1) | TWI475824B (pt) |
WO (1) | WO2010015429A1 (pt) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
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GB0720725D0 (en) * | 2007-08-17 | 2007-12-05 | Icera Inc | Reporting channel quality information |
CN102067659B (zh) * | 2008-06-23 | 2014-01-15 | 夏普株式会社 | 移动台装置、通信***以及通信方法 |
GB2467303B (en) | 2008-08-07 | 2012-07-11 | Icera Inc | Feedback in a wireless communication system |
US9209933B2 (en) * | 2009-06-11 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for dispatching a channel quality indicator feedback in multicarrier system |
EP3731559B1 (en) | 2009-07-21 | 2024-02-14 | LG Electronics Inc. | Apparatus and method for transmitting channel state information in a wireless communication system |
JP4889775B2 (ja) * | 2009-09-28 | 2012-03-07 | シャープ株式会社 | 無線通信システム、移動局装置、基地局装置、通信制御方法および制御プログラム |
US8675515B2 (en) * | 2009-11-24 | 2014-03-18 | Qualcomm Incorporated | Elastic multiplexing for shared control channels |
EP2560297B1 (en) | 2010-04-12 | 2019-06-05 | LG Electronics Inc. | Method and device for efficient feedback in wireless communication system supporting multiple antennas |
CN102934369B (zh) * | 2010-04-12 | 2015-04-01 | Lg电子株式会社 | 在支持多天线的无线通信***中的有效反馈的方法和设备 |
US8582638B2 (en) * | 2010-04-30 | 2013-11-12 | Blackberry Limited | System and method for channel state feedback in carrier aggregation |
CN102244566B (zh) * | 2010-05-11 | 2014-03-12 | 中兴通讯股份有限公司 | 用于多输入多输出***的下行传输方法和基站 |
JP5324526B2 (ja) * | 2010-06-18 | 2013-10-23 | シャープ株式会社 | 端末装置、基地局装置、通信システム、および処理方法 |
CN102948096A (zh) * | 2010-06-21 | 2013-02-27 | 富士通株式会社 | 用于无线通信***的信道状态信息反馈的方法和设备 |
US9112692B2 (en) * | 2010-08-16 | 2015-08-18 | Qualcomm Incorporated | ACK/NACK transmission for multi-carrier operation |
US9294310B2 (en) | 2010-10-08 | 2016-03-22 | Blackberry Limited | Method and apparatus for LTE channel state information estimation |
WO2012060550A2 (ko) | 2010-11-02 | 2012-05-10 | 엘지전자 주식회사 | 다중 안테나 지원 무선 통신 시스템에서 효율적인 피드백 방법 및 장치 |
JP5255043B2 (ja) * | 2010-11-26 | 2013-08-07 | シャープ株式会社 | 端末装置、基地局装置、通信システムおよび通信方法 |
WO2012077930A2 (ko) * | 2010-12-06 | 2012-06-14 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치 |
US8971197B2 (en) | 2011-04-01 | 2015-03-03 | Industrial Technology Research Institute | Method for reporting uplink control information and wireless communication device using the same |
US10085164B2 (en) * | 2011-04-28 | 2018-09-25 | Qualcomm Incorporated | System and method for managing invalid reference subframes for channel state information feedback |
US9026158B1 (en) * | 2011-07-13 | 2015-05-05 | Marvell International Ltd. | Systems and method for scheduling measurement gaps and on-duration intervals in wireless communication systems |
WO2013048197A2 (ko) * | 2011-09-28 | 2013-04-04 | 엘지전자 주식회사 | 무선 통신 시스템에서 채널상태정보 보고 방법 및 장치 |
US9591492B2 (en) * | 2011-11-08 | 2017-03-07 | Qualcomm Incorporated | User equipment, base stations, and methods allowing for handling of colliding channel state information reports |
JP5717673B2 (ja) * | 2012-03-01 | 2015-05-13 | 株式会社Nttドコモ | 無線通信システム、基地局、ユーザ端末、および通信制御方法 |
US9572059B2 (en) | 2012-07-11 | 2017-02-14 | Apple Inc. | Missed rank report in dual network radio resource management |
CN114257341B (zh) * | 2013-05-24 | 2023-08-29 | 中兴通讯股份有限公司 | 信道状态信息反馈方法和终端 |
JP6463739B2 (ja) | 2013-06-05 | 2019-02-06 | エルジー エレクトロニクス インコーポレイティド | 無線通信システムにおいてチャネル状態情報送信方法及び装置 |
CN103731871B (zh) * | 2013-12-25 | 2017-02-22 | 上海华为技术有限公司 | 一种信息配置方法及装置 |
CN107466452B (zh) * | 2015-04-08 | 2020-07-03 | Lg 电子株式会社 | 报告信道状态的方法及其装置 |
US10826573B2 (en) | 2016-08-10 | 2020-11-03 | Idac Holdings, Inc. | Methods, apparatus, systems and procedures for uplink (UL) channel reciprocity |
US10945147B2 (en) * | 2016-09-28 | 2021-03-09 | Telefonaktiebolaget Lm Ericsson (Publ) | Dynamic CSI reporting type |
US11611468B2 (en) * | 2017-09-28 | 2023-03-21 | Comcast Cable Communications, Llc | Beam management with DRX configuration |
CN109600193B (zh) * | 2017-09-30 | 2021-10-26 | 华为技术有限公司 | 一种信道测量方法 |
WO2020046733A1 (en) * | 2018-08-29 | 2020-03-05 | Intel Corporation | Transmit diversity mechanisms for power saving signal |
US20230291612A1 (en) * | 2022-03-09 | 2023-09-14 | Qualcomm Incorporated | Channel state feedback using demodulation reference signals |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060039489A1 (en) * | 2004-08-17 | 2006-02-23 | Texas Instruments Incorporated | Method and apparatus for providing closed-loop transmit precoding |
US7542454B2 (en) * | 2005-01-21 | 2009-06-02 | Intel Corporation | MIMO channel feedback protocols |
EP1699197A1 (en) | 2005-01-27 | 2006-09-06 | Alcatel | Method for sending channel quality information in a multi-carrier radio communication system, corresponding mobile terminal and base station |
KR100819285B1 (ko) * | 2006-03-16 | 2008-04-02 | 삼성전자주식회사 | 다중 사용자를 지원하는 다중 안테나 시스템에서의 피드 백 정보 송/수신방법 및 그 시스템 |
US7751368B2 (en) * | 2006-05-01 | 2010-07-06 | Intel Corporation | Providing CQI feedback to a transmitter station in a closed-loop MIMO system |
PL2052468T3 (pl) * | 2006-08-18 | 2016-02-29 | Qualcomm Inc | Informacje zwrotne wskaźnika kontroli kodowania wstępnego (PCI) i wskaźnika jakości kanału (CQI) w systemie komunikacji bezprzewodowej |
KR101031723B1 (ko) * | 2006-10-26 | 2011-04-29 | 엘지전자 주식회사 | 다중 안테나 시스템에서 채널 정보 보고 방법 |
KR20080040543A (ko) * | 2006-11-02 | 2008-05-08 | 엘지전자 주식회사 | 위상천이 기반 프리코딩을 이용한 데이터 전송 방법 및이를 지원하는 송수신기 |
US20080305745A1 (en) * | 2007-06-05 | 2008-12-11 | Interdigital Technology Corporation | Method and apparatus for supporting uplink transmission of channel quality and coding information in a wireless communication system |
KR101282522B1 (ko) * | 2007-06-19 | 2013-07-04 | 엘지전자 주식회사 | 다중 안테나 시스템에서 제어정보 전송 방법 |
US9225397B2 (en) * | 2007-07-10 | 2015-12-29 | Texas Instruments Incorporated | Efficient rank and precoding matrix feedback for MIMO systems |
US20090116570A1 (en) * | 2007-11-02 | 2009-05-07 | Interdigital Patent Holdings, Inc. | Method and apparatus for generating channel quality indicator, precoding matrix indicator and rank information |
KR101537591B1 (ko) * | 2008-04-07 | 2015-07-20 | 엘지전자 주식회사 | Mimo 시스템에서 모드 적응 방법 |
GB2467303B (en) | 2008-08-07 | 2012-07-11 | Icera Inc | Feedback in a wireless communication system |
KR101843019B1 (ko) * | 2010-04-30 | 2018-03-29 | 삼성전자주식회사 | 여러 리포팅 모드를 지원하는 다중 입출력 통신 시스템 |
-
2008
- 2008-08-07 GB GB0814495.8A patent/GB2467303B/en active Active
-
2009
- 2009-04-15 EP EP09779298A patent/EP2321921B1/en active Active
- 2009-04-15 CN CN200980139652.0A patent/CN102177673B/zh active Active
- 2009-04-15 JP JP2011521492A patent/JP2011530253A/ja active Pending
- 2009-04-15 BR BRPI0917002A patent/BRPI0917002A2/pt not_active Application Discontinuation
- 2009-04-15 WO PCT/EP2009/054460 patent/WO2010015429A1/en active Application Filing
- 2009-04-15 US US13/057,780 patent/US8588323B2/en active Active
- 2009-04-15 KR KR1020117005342A patent/KR20110044773A/ko not_active Application Discontinuation
- 2009-04-15 AT AT09779298T patent/ATE544257T1/de active
- 2009-04-23 TW TW098113454A patent/TWI475824B/zh active
Also Published As
Publication number | Publication date |
---|---|
TWI475824B (zh) | 2015-03-01 |
CN102177673B (zh) | 2015-07-29 |
TW201008149A (en) | 2010-02-16 |
EP2321921A1 (en) | 2011-05-18 |
JP2011530253A (ja) | 2011-12-15 |
KR20110044773A (ko) | 2011-04-29 |
GB0814495D0 (en) | 2008-09-10 |
US20110142144A1 (en) | 2011-06-16 |
CN102177673A (zh) | 2011-09-07 |
GB2467303B (en) | 2012-07-11 |
GB2467303A (en) | 2010-08-04 |
EP2321921B1 (en) | 2012-02-01 |
US8588323B2 (en) | 2013-11-19 |
WO2010015429A1 (en) | 2010-02-11 |
ATE544257T1 (de) | 2012-02-15 |
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