PL1999876T3 - Zwracanie informacji o stanie kanału dla technologii MIMO i planowanie podpasma w systemie komunikacji bezprzewodowej - Google Patents

Zwracanie informacji o stanie kanału dla technologii MIMO i planowanie podpasma w systemie komunikacji bezprzewodowej

Info

Publication number
PL1999876T3
PL1999876T3 PL07759412T PL07759412T PL1999876T3 PL 1999876 T3 PL1999876 T3 PL 1999876T3 PL 07759412 T PL07759412 T PL 07759412T PL 07759412 T PL07759412 T PL 07759412T PL 1999876 T3 PL1999876 T3 PL 1999876T3
Authority
PL
Poland
Prior art keywords
mimo
feedback
wireless communication
communication system
state information
Prior art date
Application number
PL07759412T
Other languages
English (en)
Inventor
Byoung-Hoon Kim
Durga Prasad Malladi
Jelena Damnjanovic
Original Assignee
Qualcomm Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of PL1999876T3 publication Critical patent/PL1999876T3/pl

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0626Channel coefficients, e.g. channel state information [CSI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0621Feedback content
    • H04B7/0632Channel quality parameters, e.g. channel quality indicator [CQI]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0636Feedback format
    • H04B7/0641Differential feedback
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity 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
    • H04B7/0615Diversity 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
    • H04B7/0619Diversity 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
    • H04B7/0658Feedback reduction
    • H04B7/066Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026Transmission of channel quality indication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0028Formatting
    • H04L1/0029Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
PL07759412T 2006-03-27 2007-03-26 Zwracanie informacji o stanie kanału dla technologii MIMO i planowanie podpasma w systemie komunikacji bezprzewodowej PL1999876T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US78644506P 2006-03-27 2006-03-27
PCT/US2007/064962 WO2007112371A1 (en) 2006-03-27 2007-03-26 Feedback of channel state information for mimo and subband scheduling in a wireless communication system
EP07759412A EP1999876B1 (en) 2006-03-27 2007-03-26 Feedback of channel state information for mimo and subband scheduling in a wireless communication system

Publications (1)

Publication Number Publication Date
PL1999876T3 true PL1999876T3 (pl) 2011-03-31

Family

ID=38420606

Family Applications (1)

Application Number Title Priority Date Filing Date
PL07759412T PL1999876T3 (pl) 2006-03-27 2007-03-26 Zwracanie informacji o stanie kanału dla technologii MIMO i planowanie podpasma w systemie komunikacji bezprzewodowej

Country Status (15)

Country Link
US (2) US8014455B2 (pl)
EP (1) EP1999876B1 (pl)
JP (1) JP5107998B2 (pl)
KR (1) KR101008811B1 (pl)
CN (1) CN101411110B (pl)
AR (1) AR060166A1 (pl)
AT (1) ATE484117T1 (pl)
BR (1) BRPI0709079B1 (pl)
CA (1) CA2646504C (pl)
DE (1) DE602007009652D1 (pl)
ES (1) ES2351621T3 (pl)
PL (1) PL1999876T3 (pl)
RU (1) RU2457621C2 (pl)
TW (1) TWI362847B (pl)
WO (1) WO2007112371A1 (pl)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8449989B2 (en) * 2003-10-17 2013-05-28 Lg Chem, Ltd. Organic compound and organic light emitting device using the same
US7437161B2 (en) * 2005-03-16 2008-10-14 Lucent Technologies Inc. Method of fast data transmission of mobile stations via the same base station
US8594207B2 (en) * 2005-10-31 2013-11-26 Motorola Mobility Llc Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system
US8054894B2 (en) 2005-10-31 2011-11-08 Motorola Mobility, Inc. Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system
US10873375B2 (en) * 2006-03-20 2020-12-22 Texas Instruments Incorporated Pre-coder selection based on resource block grouping
US9130791B2 (en) 2006-03-20 2015-09-08 Qualcomm Incorporated Uplink channel estimation using a signaling channel
US8014455B2 (en) 2006-03-27 2011-09-06 Qualcomm Incorporated Feedback of differentially encoded channel state information for multiple-input multiple-output (MIMO) and subband scheduling in a wireless communication system
WO2008021008A2 (en) * 2006-08-07 2008-02-21 Interdigital Technology Corporation Method, apparatus and system for implementing multi-user virtual multiple-input multiple-output
JP4923848B2 (ja) * 2006-08-21 2012-04-25 日本電気株式会社 通信システム及び通信方法並びにそれに用いる移動局及び基地局
JP2008054106A (ja) * 2006-08-25 2008-03-06 Toshiba Corp 無線通信システム
US8611259B2 (en) * 2006-09-08 2013-12-17 Samsung Electronics Co., Ltd. Method and system for providing channel state information feedback in a wireless communication system
EP2849380B1 (en) 2006-10-31 2019-04-24 Telefonaktiebolaget LM Ericsson (publ) Telecommunication system and error control in such system
KR20080073196A (ko) * 2007-02-05 2008-08-08 엘지전자 주식회사 Mimo 시스템에서 효율적인 채널 품질 정보 전송 방법
US8831116B2 (en) * 2007-03-20 2014-09-09 Motorola Mobility Llc Method and apparatus for providing channel quality and precoding metric feedback in an orthogonal frequency division multiplexing communication system
KR101321191B1 (ko) * 2007-03-29 2013-10-22 엘지전자 주식회사 채널품질정보 전송방법
KR101349825B1 (ko) * 2007-04-25 2014-01-10 엘지전자 주식회사 다중 입출력 시스템에서 피드백 정보를 송신하는 방법
US8942164B2 (en) 2007-10-22 2015-01-27 Texas Instruments Incorporated Differential CQI for OFDMA systems
US8179775B2 (en) * 2007-08-14 2012-05-15 Texas Instruments Incorporated Precoding matrix feedback processes, circuits and systems
US8699602B2 (en) 2007-12-13 2014-04-15 Texas Instruments Incorporated Channel quality report processes, circuits and systems
KR101473041B1 (ko) * 2007-10-01 2014-12-15 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 수신 장치, 송신 장치 및 데이터 통신 방법
KR101452489B1 (ko) * 2007-10-18 2014-10-21 엘지전자 주식회사 무선 통신 시스템에서 데이터 수신 방법
KR101482262B1 (ko) * 2007-10-18 2015-01-13 엘지전자 주식회사 무선 통신 시스템에서 피드백 메시지 전송 방법
GB0720723D0 (en) * 2007-10-23 2007-12-05 Icera Inc Reporting channel quality information
KR101426788B1 (ko) * 2007-11-20 2014-08-06 삼성전자주식회사 무선 통신 시스템에서 채널 품질 정보 전송 방법 및 장치
WO2009076487A1 (en) * 2007-12-13 2009-06-18 Texas Instruments Incorporated Channel quality report processes, circuits and systems
EP2073419B1 (en) 2007-12-20 2011-10-26 Panasonic Corporation Control channel signaling using a common signaling field for transport format and redundancy version
US8699960B2 (en) * 2007-12-21 2014-04-15 Qualcomm Incorporated Methods and apparatus for channel quality indication feedback in a communication system
TWI505685B (zh) * 2008-01-07 2015-10-21 Optis Cellular Techology Llc 用於排程分散式虛擬資源方塊的方法
KR100913099B1 (ko) 2008-01-07 2009-08-21 엘지전자 주식회사 분산형 가상자원블록 스케쥴링 방법
KR100925441B1 (ko) 2008-01-07 2009-11-06 엘지전자 주식회사 분산형 가상자원블록 스케쥴링 방법
KR101476202B1 (ko) * 2008-01-08 2014-12-24 엘지전자 주식회사 주기적/비주기적 채널상태정보 송수신 방법
KR101611945B1 (ko) 2008-02-28 2016-04-12 애플 인크. 무선 통신 시그널링에 적용되는 코딩을 식별하는 정보를 포함하는 피드백 데이터 구조체의 통신
US8259651B2 (en) * 2008-03-25 2012-09-04 Samsung Electronics Co., Ltd. System and method for multiplexing on an LTE uplink control channel
CN101567762B (zh) * 2008-04-22 2012-10-17 上海华为技术有限公司 信道信息的反馈方法及装置
CN101577572B (zh) * 2008-05-07 2012-12-05 中兴通讯股份有限公司 一种mimo-ofdm系统中的资源复用方法
US8331310B2 (en) * 2008-08-22 2012-12-11 Qualcomm Incorporated Systems and methods employing multiple input multiple output (MIMO) techniques
EP2328371A4 (en) * 2008-09-04 2016-05-25 Sharp Kk WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION SYSTEM
US8396163B2 (en) * 2008-09-18 2013-03-12 Commonwealth Scientific And Industrial Research Organization Vector quantization in wireless communication
KR101430981B1 (ko) * 2008-10-13 2014-08-18 삼성전자주식회사 Mimo 시스템에서 동적 채널 정보 전송 장치 및 방법
US8699321B2 (en) 2008-12-04 2014-04-15 Centurylink Intellectual Property Llc System and method for path state determinations
CN101465684B (zh) * 2009-01-08 2012-07-04 上海交通大学 Mimo系统用户端码本快速匹配方法
US8432873B2 (en) 2009-01-12 2013-04-30 Qualcomm Incorporated Method and apparatus for computing and reporting channel quality indication (CQI)
CN104968055B (zh) 2009-04-23 2018-12-04 交互数字专利控股公司 由无线发射/接收单元(wtru)执行随机接入的方法及wtru
CN101873206B (zh) * 2009-04-27 2013-07-31 电信科学技术研究院 一种信道信息反馈方法、装置和系统
EP2416619B1 (en) 2009-04-30 2015-01-21 Huawei Technologies Co., Ltd. Method for reporting channel state information, channel estimating method, terminal and base station
US20100278058A1 (en) * 2009-05-04 2010-11-04 Qualcomm Incorporated Method and apparatus for facilitating multicarrier differential channel quality indicator (cqi) feedback
CN101938812B (zh) * 2009-06-29 2013-03-20 中兴通讯股份有限公司 一种子带指标的确定方法及装置
US20110085588A1 (en) * 2009-10-09 2011-04-14 Motorola-Mobility, Inc. Method for precoding based on antenna grouping
US8873650B2 (en) * 2009-10-12 2014-10-28 Motorola Mobility Llc Configurable spatial channel information feedback in wireless communication system
CN102055547B (zh) * 2009-10-30 2014-04-02 华为技术有限公司 获取信道状态信息的方法和设备
US8761086B2 (en) * 2009-11-02 2014-06-24 Qualcomm Incorporated Method and apparatus for hierarchical codebook design in wireless communication
US8315183B2 (en) * 2009-12-23 2012-11-20 Intel Corporation Channel quality indexing and reverse indexing
CN101789849B (zh) 2010-01-08 2015-06-03 中兴通讯股份有限公司 信道状态信息的反馈传输方法及用户终端
CN102696180B (zh) * 2010-01-12 2015-08-05 富士通株式会社 空间信道状态反馈方法和装置
EP2498531B9 (en) * 2010-01-12 2017-08-23 ZTE Corporation Channel state information feedback method and user equipment
EP2529589B1 (en) * 2010-01-27 2017-08-30 Telefonaktiebolaget LM Ericsson (publ) Adaptive cqi sub band
PT2556597T (pt) 2010-04-07 2017-09-01 ERICSSON TELEFON AB L M (publ) Estrutura de pré-codificador para pré-codificação mimo
KR101671292B1 (ko) * 2010-04-08 2016-11-01 삼성전자주식회사 채널 품질 정보를 요청하고 제공하는 방법 및 장치
EP2375619B1 (en) 2010-04-08 2023-06-21 Samsung Electronics Co., Ltd. Channel state information request/feedback method and apparatus
US8213873B2 (en) * 2010-04-09 2012-07-03 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for channel quality reporting in a wireless communication system
JP5296004B2 (ja) * 2010-04-23 2013-09-25 株式会社エヌ・ティ・ティ・ドコモ フィードバック情報送信方法、移動局装置及び基地局装置
US9203489B2 (en) 2010-05-05 2015-12-01 Google Technology Holdings LLC Method and precoder information feedback in multi-antenna wireless communication systems
JP2011254171A (ja) * 2010-05-31 2011-12-15 Sharp Corp 通信システム、送信装置、送信制御方法、送信制御プログラム、及びプロセッサ
KR101730685B1 (ko) 2010-06-22 2017-04-27 엘지전자 주식회사 채널 상태 정보 전송 방법 및 장치
WO2012077930A2 (ko) * 2010-12-06 2012-06-14 엘지전자 주식회사 무선 통신 시스템에서 채널 상태 정보를 보고하는 방법 및 이를 위한 장치
CN102594489B (zh) * 2011-01-14 2014-12-10 中国移动通信集团公司 预编码向量的确定方法、装置、基站与用户终端
CN102685908B (zh) * 2011-03-07 2014-11-05 华为技术有限公司 一种mimo模式配置方法及装置
US8761129B2 (en) * 2011-04-29 2014-06-24 Nec Laboratories America, Inc. Enhancement of download multi-user multiple-input multiple-output wireless communications
EP2742748A4 (en) 2011-08-12 2015-08-26 Intel Corp SYSTEM AND METHOD FOR UPLINK POWER CONTROL IN A WIRELESS COMMUNICATION SYSTEM
JP5753022B2 (ja) * 2011-08-15 2015-07-22 株式会社Nttドコモ 無線通信システム、無線基地局装置、ユーザ端末及び無線通信方法
US9161153B2 (en) * 2012-06-15 2015-10-13 Industrial Technology Research Institute Method of handling CSI report and related communication device
US9300373B2 (en) * 2012-06-19 2016-03-29 Telefonaktiebolaget L M Ericsson (Publ) Selection of precoding vectors in lean-carrier systems
US9497800B2 (en) 2012-07-05 2016-11-15 Centurylink Intellectual Property Llc Multi-service provider wireless access point
US9392641B2 (en) 2012-07-05 2016-07-12 Centurylink Intellectual Property Llc Multi-service provider wireless access point
JP2014027626A (ja) * 2012-07-30 2014-02-06 Sharp Corp 通信システム、通信方法、基地局装置及び移動局装置
US9813262B2 (en) 2012-12-03 2017-11-07 Google Technology Holdings LLC Method and apparatus for selectively transmitting data using spatial diversity
US9591508B2 (en) 2012-12-20 2017-03-07 Google Technology Holdings LLC Methods and apparatus for transmitting data between different peer-to-peer communication groups
US9979531B2 (en) 2013-01-03 2018-05-22 Google Technology Holdings LLC Method and apparatus for tuning a communication device for multi band operation
US10229697B2 (en) 2013-03-12 2019-03-12 Google Technology Holdings LLC Apparatus and method for beamforming to obtain voice and noise signals
KR102199521B1 (ko) * 2013-06-18 2021-01-08 스키피오 테크놀로지스 에스.아이 리미티드 로버스트 온라인 재구성 및 디지털 가입자 회선을 위한 동기화 프로토콜
US9386542B2 (en) 2013-09-19 2016-07-05 Google Technology Holdings, LLC Method and apparatus for estimating transmit power of a wireless device
WO2015054838A1 (en) 2013-10-16 2015-04-23 Empire Technology Development Llc Spatial modulation multiple-input-multiple-output (sm-mimo) system
US9549290B2 (en) 2013-12-19 2017-01-17 Google Technology Holdings LLC Method and apparatus for determining direction information for a wireless device
CN106465394B (zh) * 2014-04-18 2019-11-29 华为技术有限公司 空间流的确定方法、基站和用户设备
US9491007B2 (en) 2014-04-28 2016-11-08 Google Technology Holdings LLC Apparatus and method for antenna matching
US9478847B2 (en) 2014-06-02 2016-10-25 Google Technology Holdings LLC Antenna system and method of assembly for a wearable electronic device
CN107210856B (zh) * 2015-01-30 2021-03-26 瑞典爱立信有限公司 具有单子带用户设备的无线通信系统
CN107332600B (zh) * 2016-04-29 2020-03-24 电信科学技术研究院 一种信道状态信息反馈和接收方法、装置
CN109155687B (zh) 2016-05-31 2020-07-07 华为技术有限公司 用于确定数据流支持的传输速率的方法、用户设备和基站
GB2562098B (en) * 2017-05-05 2022-02-02 Samsung Electronics Co Ltd Improvements in and relating to channel state feedback in a telecommunication system
CN110011711B (zh) 2018-01-04 2021-06-29 上海诺基亚贝尔股份有限公司 预编码的方法、网络设备和计算机可读存储介质
JP6797164B2 (ja) * 2018-10-18 2020-12-09 華為技術有限公司Huawei Technologies Co.,Ltd. 空間ストリーム決定方法、基地局、およびユーザ機器
CN111132216B (zh) * 2018-10-31 2023-03-24 维沃移动通信有限公司 信息上报方法、终端及网络设备
US11877173B2 (en) * 2020-05-20 2024-01-16 Qualcomm Incorporated Optimization of channel quality indicator (CQI) feedback for multiple component carriers
EP4243515B1 (en) * 2020-11-30 2025-02-12 Huawei Technologies Co., Ltd. Power control method, communication device, and system
US12021593B2 (en) * 2021-11-22 2024-06-25 Qualcomm Incorporated Delta channel state information reporting

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI99252C (fi) 1995-07-03 1997-12-29 Nokia Mobile Phones Ltd Yhdistetty radiosignaalin modulointi- ja monikäyttömenetelmä
US6473467B1 (en) * 2000-03-22 2002-10-29 Qualcomm Incorporated Method and apparatus for measuring reporting channel state information in a high efficiency, high performance communications system
US6760882B1 (en) * 2000-09-19 2004-07-06 Intel Corporation Mode selection for data transmission in wireless communication channels based on statistical parameters
US7020110B2 (en) * 2002-01-08 2006-03-28 Qualcomm Incorporated Resource allocation for MIMO-OFDM communication systems
US7551546B2 (en) * 2002-06-27 2009-06-23 Nortel Networks Limited Dual-mode shared OFDM methods/transmitters, receivers and systems
EP1388964B1 (en) * 2002-08-06 2006-11-22 Mitsubishi Electric Information Technology Centre Europe B.V. Transmission quality reporting method
US7209712B2 (en) * 2002-09-23 2007-04-24 Qualcomm, Incorporated Mean square estimation of channel quality measure
US8218609B2 (en) * 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
KR100950652B1 (ko) 2003-01-08 2010-04-01 삼성전자주식회사 직교 주파수 분할 다중 전송 방식에서 순방향 링크의 채널 상태 추정 방법
AU2004310933B2 (en) * 2003-12-05 2008-06-12 Qualcomm Incorporated Apparatus and method for transmitting data by selected eigenvector in closed loop MIMO mobile communication system
US7194042B2 (en) 2004-01-13 2007-03-20 Qualcomm Incorporated Data transmission with spatial spreading in a mimo communication system
US20050170782A1 (en) * 2004-02-04 2005-08-04 Nokia Corporation Method and apparatus to compensate quantization error of channel quality report
US9271221B2 (en) * 2004-06-22 2016-02-23 Apple Inc. Closed loop MIMO systems and methods
US7570696B2 (en) * 2004-06-25 2009-08-04 Intel Corporation Multiple input multiple output multicarrier communication system and methods with quantized beamforming feedback
US8023589B2 (en) * 2004-08-09 2011-09-20 Texas Instruments Incorporated Wireless MIMO transmitter with antenna and tone precoding blocks
US20070298728A1 (en) * 2004-09-10 2007-12-27 Matsushita Electric Industrial Co. Ltd. Wireless Communication Apparatus and Wireless Communication Method
US7609780B2 (en) * 2004-09-30 2009-10-27 Intel Corporation Method and apparatus for performing sequential closed loop multiple input multiple output (MIMO)
CN101069375A (zh) * 2004-11-30 2007-11-07 松下电器产业株式会社 发送控制帧生成装置、发送控制帧处理装置、发送控制帧生成方法及发送控制帧处理方法
KR100950644B1 (ko) * 2005-03-04 2010-04-01 삼성전자주식회사 다중사용자 다중입출력 시스템의 피드백 방법
US20060268623A1 (en) * 2005-03-09 2006-11-30 Samsung Electronics Co., Ltd. Transmitting/receiving apparatus and method in a closed-loop MIMO system
US8165018B2 (en) * 2006-03-17 2012-04-24 Rockstar Bidco, LP Closed-loop MIMO systems and methods
US8014455B2 (en) 2006-03-27 2011-09-06 Qualcomm Incorporated Feedback of differentially encoded channel state information for multiple-input multiple-output (MIMO) and subband scheduling in a wireless communication system

Also Published As

Publication number Publication date
JP2009531993A (ja) 2009-09-03
RU2008142429A (ru) 2010-05-10
ATE484117T1 (de) 2010-10-15
RU2457621C2 (ru) 2012-07-27
US20110299626A1 (en) 2011-12-08
CN101411110B (zh) 2012-11-28
US20070242770A1 (en) 2007-10-18
DE602007009652D1 (de) 2010-11-18
WO2007112371A1 (en) 2007-10-04
BRPI0709079A2 (pt) 2011-06-28
US8503555B2 (en) 2013-08-06
CA2646504C (en) 2014-06-10
BRPI0709079B1 (pt) 2019-09-24
HK1130588A1 (en) 2009-12-31
KR101008811B1 (ko) 2011-01-14
EP1999876A1 (en) 2008-12-10
TW200746681A (en) 2007-12-16
AR060166A1 (es) 2008-05-28
CA2646504A1 (en) 2007-10-04
EP1999876B1 (en) 2010-10-06
JP5107998B2 (ja) 2012-12-26
CN101411110A (zh) 2009-04-15
KR20090006127A (ko) 2009-01-14
TWI362847B (en) 2012-04-21
ES2351621T3 (es) 2011-02-08
US8014455B2 (en) 2011-09-06

Similar Documents

Publication Publication Date Title
PL1999876T3 (pl) Zwracanie informacji o stanie kanału dla technologii MIMO i planowanie podpasma w systemie komunikacji bezprzewodowej
IL205227A (en) Arrangement and method for transmitting control information on wireless communication systems
PL1941647T3 (pl) Kodowanie wstępne dla segmentu wrażliwego na planowanie w systemach komunikacji bezprzewodowej
EP2103071A4 (en) METHOD FOR TRANSMITTING AND RECEIVING PLANNING INFORMATION IN A WIRELESS COMMUNICATION SYSTEM
IL193629A0 (en) Grouping of users for mimo transmission in a wireless communication system
PL2421318T3 (pl) Sposób i urządzenie do transmitowania informacji szeregowania w systemie komunikacji bezprzewodowej
PL1932296T3 (pl) Systemy komunikacji bezprzewodowej z szeregowaniem
EP2070301A4 (en) METHOD AND SYSTEM FOR WIRELESS COMMUNICATION IN SEVERAL OPERATING ENVIRONMENTS
TWI373219B (en) Providing antenna diversity in a wireless communication system
EP2132910A4 (en) Method for transmitting data in a wireless communication system
EP2223387A4 (en) METHOD AND DEVICE FOR WIRELESS COMMUNICATION USING MULTIPLE INPUT MULTIPLE OUTPUT TECHNIQUES
EP2102997B8 (en) Signalling of power information for mimo transmission in a wireless communication system
IL233294A (en) A method and system for providing effective pre-coding feedback in a multi-input, multi-input wireless communication system
TWI373220B (en) Eigen-beamforming for wireless communication systems
GB2439181B (en) A wireless headset communication system for aircraft and method therefor
EP2371153A4 (en) METHOD AND SYSTEM FOR PROVIDING WIRELESS COMMUNICATION BETWEEN USER EQUIPMENT
EP2168269A4 (en) METHOD FOR TRANSMITTING CONTROL MESSAGES IN WIRELESS COMMUNICATION ARRANGEMENTS
PT3301823T (pt) Informação de controlo num sistema de comunicação sem fios
IL194793A0 (en) Method and apparatus for implementing h-arq in a mimo wireless communication system
EP1987603A4 (en) METHOD FOR TRANSMITTING AND RECEIVING DATA USING OVERLAY MODULATION IN A WIRELESS COMMUNICATION SYSTEM
GB201006802D0 (en) Wireless communication system and method
EP2200352A4 (en) WIRELESS COMMUNICATION SYSTEM AND METHOD
EP2195942A4 (en) METHOD FOR TRANSMITTING CHANNEL INFORMATION AND MOBILE COMMUNICATION TERMINAL
TWI350675B (en) Wireless communication system and method
EP2119035A4 (en) DEVICE AND METHOD FOR COMMUNICATING MULTIPLE RADIOS