DK2122912T3 - Fremgangsmåde til at sende kanalkvalitetsinformation baseret på differentialskema - Google Patents

Fremgangsmåde til at sende kanalkvalitetsinformation baseret på differentialskema

Info

Publication number
DK2122912T3
DK2122912T3 DK08712325.3T DK08712325T DK2122912T3 DK 2122912 T3 DK2122912 T3 DK 2122912T3 DK 08712325 T DK08712325 T DK 08712325T DK 2122912 T3 DK2122912 T3 DK 2122912T3
Authority
DK
Denmark
Prior art keywords
cqi value
channel quality
quality information
generating
procedure
Prior art date
Application number
DK08712325.3T
Other languages
English (en)
Inventor
Dong Wook Roh
Bong Hoe Kim
Joon Kui Ahn
Yu Jin Noh
Dong Youn Seo
Ki Jun Kim
Original Assignee
Lg Electronics 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 Lg Electronics Inc filed Critical Lg Electronics Inc
Application granted granted Critical
Publication of DK2122912T3 publication Critical patent/DK2122912T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • 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
    • H04B7/04—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
    • 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
    • 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
    • H04L1/0618—Space-time coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • 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
    • H04B7/0667—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 delayed versions of same signal
    • H04B7/0673—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 delayed versions of same signal using feedback from receiving side
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DK08712325.3T 2007-02-05 2008-02-04 Fremgangsmåde til at sende kanalkvalitetsinformation baseret på differentialskema DK2122912T3 (da)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US88829807P 2007-02-05 2007-02-05
US89487007P 2007-03-14 2007-03-14
KR1020070092013A KR20080073196A (ko) 2007-02-05 2007-09-11 Ｍｉｍｏ 시스템에서 효율적인 채널 품질 정보 전송 방법
US1866308P 2008-01-02 2008-01-02
KR1020080009041A KR101405960B1 (ko) 2007-02-05 2008-01-29 차분 방식에 기반한 채널 품질 정보 전송 방법
PCT/KR2008/000674 WO2008096997A2 (en) 2007-02-05 2008-02-04 Method for transmitting channel quality information based on differential scheme

Publications (1)

Publication Number Publication Date
DK2122912T3 true DK2122912T3 (da) 2013-08-05

Family

ID=39682197

Family Applications (2)

Application Number Title Priority Date Filing Date
DK10154041.7T DK2182665T3 (da) 2007-02-05 2008-02-04 Fremgangsmåde til sending af kanalkvalitetsinformationer på grundlag af et differensskema
DK08712325.3T DK2122912T3 (da) 2007-02-05 2008-02-04 Fremgangsmåde til at sende kanalkvalitetsinformation baseret på differentialskema

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK10154041.7T DK2182665T3 (da) 2007-02-05 2008-02-04 Fremgangsmåde til sending af kanalkvalitetsinformationer på grundlag af et differensskema

Country Status (10)

Country Link
US (4) US8036131B2 (da)
EP (2) EP2122912B1 (da)
JP (2) JP5053387B2 (da)
KR (2) KR20080073196A (da)
CN (2) CN101695012B (da)
AT (1) ATE505869T1 (da)
DE (1) DE602008006205D1 (da)
DK (2) DK2182665T3 (da)
TW (2) TWI449365B (da)
WO (1) WO2008096997A2 (da)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006102745A1 (en) 2005-03-30 2006-10-05 Nortel Networks Limited Method and system for combining ofdm and transformed ofdm
WO2006102744A1 (en) 2005-03-30 2006-10-05 Nortel Networks Limited Systems and methods for ofdm channelization
US10873375B2 (en) * 2006-03-20 2020-12-22 Texas Instruments Incorporated Pre-coder selection based on resource block grouping
US8020075B2 (en) 2007-03-16 2011-09-13 Apple Inc. Channel quality index feedback reduction for broadband systems
BRPI0809870B1 (pt) 2007-04-30 2020-11-10 Interdigital Technology Corporation método e dispositivo de detecção e verificação de erros de sinalização de feedback em sistemas de comunicação mimo
US8699602B2 (en) * 2007-12-13 2014-04-15 Texas Instruments Incorporated Channel quality report processes, circuits and systems
WO2009002087A1 (en) * 2007-06-25 2008-12-31 Lg Electronics Inc. Method of transmitting feedback data in multiple antenna system
KR101293373B1 (ko) * 2007-06-25 2013-08-05 엘지전자 주식회사 다중안테나 시스템에서의 데이터 전송 방법
KR101478362B1 (ko) 2007-08-10 2015-01-28 엘지전자 주식회사 다중안테나 시스템에서 귀환데이터 전송방법
CN101843002B (zh) * 2007-08-31 2013-07-17 诺基亚西门子通信公司 差分信道质量报告的方法
WO2009031840A2 (en) * 2007-09-04 2009-03-12 Lg Electronics Inc. Method of reporting channel state
US7974242B2 (en) * 2007-10-25 2011-07-05 Intel Corporation Device, system, and method of channel quality indication
WO2009087924A1 (ja) * 2008-01-08 2009-07-16 Ntt Docomo, Inc. 上りリンクでチャネル品質情報を報告する方法、並びにその方法に好適な基地局およびユーザ装置
KR101448651B1 (ko) * 2008-01-27 2014-10-08 엘지전자 주식회사 채널 품질 지시자를 이용한 정보 전송 방법
US8761288B2 (en) * 2008-02-26 2014-06-24 Nxp, B.V. Limited channel information feedback error-free channel vector quantization scheme for precoding MU-MIMO
US7978623B1 (en) * 2008-03-22 2011-07-12 Freescale Semiconductor, Inc. Channel rank updates in multiple-input multiple-output communication systems
JP5079880B2 (ja) * 2008-06-27 2012-11-21 京セラ株式会社 無線通信装置及び無線通信方法
US8406171B2 (en) * 2008-08-01 2013-03-26 Texas Instruments Incorporated Network MIMO reporting, control signaling and transmission
CN102177665B (zh) * 2008-08-12 2015-04-22 黑莓有限公司 在无线通信网络中实现下行链路透明中继的方法、设备及系统
CN101686098B (zh) * 2008-09-27 2012-11-21 富士通株式会社 选择调制编码方案组合的方法和装置及通信系统
US8948704B2 (en) * 2008-10-22 2015-02-03 Qualcomm Incorporated Scope of channel quality reporting region in a multi-carrier system
JP5213044B2 (ja) * 2008-11-11 2013-06-19 日本電気株式会社 通信装置、無線通信システムおよび推定情報のフィードバック方法ならびにプログラム
US9019902B2 (en) * 2008-11-11 2015-04-28 Qualcomm Incorporated Channel quality feedback in multicarrier systems
US8432873B2 (en) * 2009-01-12 2013-04-30 Qualcomm Incorporated Method and apparatus for computing and reporting channel quality indication (CQI)
CN101789841B (zh) * 2009-01-24 2014-04-09 中兴通讯股份有限公司 信道质量信息反馈方法及终端
US20100278058A1 (en) * 2009-05-04 2010-11-04 Qualcomm Incorporated Method and apparatus for facilitating multicarrier differential channel quality indicator (cqi) feedback
CN101998497B (zh) * 2009-08-19 2013-03-27 中兴通讯股份有限公司 一种非周期上报信道状态信息的方法及装置
US8599768B2 (en) * 2009-08-24 2013-12-03 Intel Corporation Distributing group size indications to mobile stations
CN101997584B (zh) * 2009-08-27 2013-06-05 电信科学技术研究院 一种确定码字的方法、系统和装置
JP5031009B2 (ja) * 2009-09-15 2012-09-19 株式会社エヌ・ティ・ティ・ドコモ 無線基地局及び移動通信方法
US9112741B2 (en) 2009-09-18 2015-08-18 Qualcomm Incorporated Protocol to support adaptive station-dependent channel state information feedback rate in multi-user communication systems
CN103812619B (zh) * 2009-10-28 2017-06-13 华为技术有限公司 实现信道测量的方法及装置
CN102056220B (zh) * 2009-10-28 2014-02-19 华为技术有限公司 实现信道测量的方法及装置
US9461718B2 (en) * 2009-11-05 2016-10-04 Lg Electronics Inc. Method for transmitting channel quality information, and apparatus for same
EP2337413A1 (en) * 2009-12-18 2011-06-22 Panasonic Corporation Implicit component carrier determination for aperiodic channel quality reports
CN102804622B (zh) * 2010-03-19 2015-01-14 富士通株式会社 用于多小区mimo传输的小区选择
CN102201886B (zh) * 2010-03-22 2014-03-12 中兴通讯股份有限公司 闭环多输入多输出系统中预编码矩阵的选取方法和系统
EP2579662A4 (en) 2010-05-24 2014-10-15 Lg Electronics Inc METHOD AND DEVICE FOR ASSIGNING DISCONTINUOUS UPLINK RESOURCES
JP2011254187A (ja) * 2010-06-01 2011-12-15 Funai Electric Co Ltd ネットワークシステム
US8315221B2 (en) * 2010-06-18 2012-11-20 Sharp Laboratories Of America, Inc. Reducing feedback overhead for multiple component carriers
WO2012037480A1 (en) * 2010-09-16 2012-03-22 Nec Laboratories America, Inc. Low complexity link adaptation for lte/lte-a uplink with a turbo receiver
US8687727B2 (en) * 2010-11-05 2014-04-01 Intel Corporation Coordinated multi-point transmission using interference feedback
US8948305B2 (en) * 2010-11-16 2015-02-03 Panasonic Intellectual Property Corporation Of America Transmission method, transmission apparatus, reception method and reception apparatus
JP5487090B2 (ja) 2010-12-03 2014-05-07 株式会社日立製作所 無線信号処理方法および無線通信装置
US20120177065A1 (en) * 2011-01-09 2012-07-12 Winzer Peter J Secure Data Transmission Using Spatial Multiplexing
CN102611536A (zh) * 2011-01-20 2012-07-25 夏普株式会社 信道状态信息反馈方法和用户设备
JP5346970B2 (ja) * 2011-03-04 2013-11-20 株式会社エヌ・ティ・ティ・ドコモ 移動端末装置、無線基地局装置及び無線通信方法
EP2701327B1 (en) 2011-04-19 2024-05-29 Sun Patent Trust Pre-coding method and pre-coding device
CN102265543B (zh) 2011-06-10 2014-03-12 华为技术有限公司 修正信道质量指示值的方法和设备
US20140226582A1 (en) * 2011-07-19 2014-08-14 Erlin Zeng Method and Apparatus for Providing Channel State Information (CSI) Measurement and Reporting for a Segment Carrier
US9504047B2 (en) * 2011-09-09 2016-11-22 Samsung Electronics Co., Ltd Method and apparatus for opportunistic user scheduling of two-cell multiple user MIMO
EP2621210B1 (en) * 2012-01-27 2014-01-22 Alcatel Lucent Method for determining cell configuration parameters in a wireless telecommunication network
US20130243064A1 (en) * 2012-03-19 2013-09-19 Mediatek Singapore Pte. Ltd. Expert antenna control system
CN103369540B (zh) * 2012-03-31 2016-03-23 普天信息技术研究院有限公司 中继协调调度方法和装置
US9332452B2 (en) * 2012-05-30 2016-05-03 Intel Deutschland Gmbh Radio communication devices and methods for controlling a radio communication device
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
CN103795491B (zh) * 2012-11-01 2019-01-15 中兴通讯股份有限公司 信道状态信息的处理方法、基站和终端
JP6140183B2 (ja) * 2012-11-09 2017-05-31 京セラ株式会社 移動通信システム、移動通信方法及びアンカー無線基地局
US9544807B1 (en) * 2013-11-21 2017-01-10 Sprint Spectrum L.P. Methods and systems for varying rate of transmitting sequences of master information blocks based on wireless network conditions
US20150195819A1 (en) * 2014-01-06 2015-07-09 Intel IP Corporation Systems and methods for modulation and coding scheme selection and configuration
US9467269B2 (en) 2014-01-06 2016-10-11 Intel IP Corporation Systems and methods for modulation and coding scheme selection and configuration
US9668275B2 (en) * 2014-02-21 2017-05-30 Lg Electronics Inc. Method and apparatus for reporting channel state by reflecting interference cancellation performance
WO2015127593A1 (zh) 2014-02-25 2015-09-03 华为技术有限公司 频谱处理的方法、基站、用户设备及系统
KR102338876B1 (ko) * 2014-07-31 2021-12-14 삼성전자주식회사 셀룰러 통신 시스템에서 ue의 간섭 신호 제거 기법
CN105376010B (zh) * 2014-08-29 2019-01-08 华为技术有限公司 频选信干噪比参数的获取方法和装置
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
CN104868977B (zh) * 2015-05-05 2018-07-06 大唐移动通信设备有限公司 一种cqi修正方法及装置
DE102015110358A1 (de) * 2015-06-26 2016-12-29 Intel IP Corporation Vorrichtung, verfahren und computerprogramm für sendeempfänger eines mobilkommunikationssystems
KR20170045016A (ko) * 2015-10-16 2017-04-26 삼성전자주식회사 통신 시스템에서 간섭 특성을 고려하여 사용자 단말기 동작을 제어하는 장치 및 방법
CN106817206B (zh) * 2015-11-27 2020-04-24 北京信威通信技术股份有限公司 用于多跳网络的干扰规避方法及系统
US10812218B2 (en) * 2016-05-31 2020-10-20 Huawei Technologies Co., Ltd. Method for determining transmission rate supported by data stream, user equipment, and base station
WO2018048333A1 (en) 2016-09-06 2018-03-15 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for determination of beamforming information
CN110121854B (zh) * 2016-11-16 2022-03-04 瑞典爱立信有限公司 用于适配前传网络上的负载的方法和设备
CN108667500B (zh) 2017-03-30 2021-02-09 华为技术有限公司 数据传输方法、终端设备和网络设备
KR102403763B1 (ko) * 2017-06-27 2022-05-30 삼성전자주식회사 무선 통신 시스템에서 명시적 채널 상태 정보 피드백을 위한 피드백 정보 설정하기 위한 방법
CN109923922B (zh) * 2017-08-11 2021-08-31 华为技术有限公司 信道质量指示上报方法及相关设备
US10772074B2 (en) 2018-02-16 2020-09-08 At&T Intellectual Property I, L.P. Facilitation of reporting sub-band channel quality indicators for 5G or other next generation network
BR112021020890A2 (pt) * 2019-04-19 2021-12-21 Ntt Docomo Inc Terminal, método de radiocomunicação para um terminal, estação base e sistema
CN113315551B (zh) * 2020-02-27 2022-05-10 广州海格通信集团股份有限公司 分层空时码系统的信号检测方法、装置和计算机设备
WO2021226863A1 (en) * 2020-05-13 2021-11-18 Qualcomm Incorporated Differential mode for interference-specific channel state information report

Family Cites Families (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020146074A1 (en) 2001-02-20 2002-10-10 Cute Ltd. Unequal error protection of variable-length data packets based on recursive systematic convolutional coding
WO2002067429A2 (en) 2001-02-20 2002-08-29 Cute Ltd. System and method for enhanced error correction in trellis decoding
US6751187B2 (en) * 2001-05-17 2004-06-15 Qualcomm Incorporated Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission
US7126996B2 (en) * 2001-12-28 2006-10-24 Motorola, Inc. Adaptive transmission method
US7227854B2 (en) * 2002-09-06 2007-06-05 Samsung Electronics Co., Ltd. Apparatus and method for transmitting CQI information in a CDMA communication system employing an HSDPA scheme
US9661519B2 (en) * 2003-02-24 2017-05-23 Qualcomm Incorporated Efficient reporting of information in a wireless communication system
US7215646B2 (en) * 2003-11-05 2007-05-08 Interdigital Technology Corporation Method and apparatus for estimating and reporting the quality of a wireless communication channel
KR100605861B1 (ko) 2004-02-02 2006-08-01 삼성전자주식회사 다중 입력 다중 출력 방식을 사용하는 통신 시스템의 신호수신 장치 및 방법
KR100946923B1 (ko) 2004-03-12 2010-03-09 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서 채널 품질 정보의 송수신 장치 및 방법, 그리고 그에 따른 시스템
WO2005099290A1 (en) * 2004-04-05 2005-10-20 Nortel Networks Limited Methods for supporting mimo transmission in ofdm applications
US7324280B2 (en) * 2004-05-25 2008-01-29 Asml Holding N.V. Apparatus for providing a pattern of polarization
KR20050119590A (ko) * 2004-06-16 2005-12-21 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서채널 품질 정보 피드백 장치 및 방법
KR100606083B1 (ko) * 2004-11-04 2006-07-31 삼성전자주식회사 광대역 무선 접속 통신 시스템에서 부채널 할당 시스템 및 방법
KR100950656B1 (ko) * 2005-01-11 2010-04-02 삼성전자주식회사 광대역 무선 접속 통신 시스템에서 피드백 정보 전송 장치및 방법
US7499474B2 (en) * 2005-04-13 2009-03-03 Nokia Corporation Efficient HARQ control and channel quality feedback reporting for multicarrier systems
US8229448B2 (en) * 2005-08-01 2012-07-24 Samsung Electronics Co., Ltd. Apparatus and method for adaptive channel quality feedback in a multicarrier wireless network
US7457588B2 (en) * 2005-08-01 2008-11-25 Motorola, Inc. Channel quality indicator for time, frequency and spatial channel in terrestrial radio access network
US20070047512A1 (en) * 2005-08-26 2007-03-01 Interdigital Technology Corporation Wireless communication method and apparatus for selecting a serving cell and node-b in an sc-fdma system
KR101119281B1 (ko) * 2005-08-29 2012-03-15 삼성전자주식회사 무선 통신 시스템에서 채널 품질 정보 피드백 장치 및방법과 이를 이용한 스케줄링 장치 및 방법
KR20070027844A (ko) * 2005-08-29 2007-03-12 삼성전자주식회사 무선통신 시스템에서 채널품질 정보를 전송하기 위한 방법및 장치
CN1996811A (zh) * 2005-12-31 2007-07-11 北京三星通信技术研究有限公司 用于判决传输模式转换的测量报告实现方法及设备
US8660210B2 (en) * 2006-01-23 2014-02-25 Qualcomm Incorporated Method of packet format dependent selection of MIMO-OFDM demodulator
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
US20150030058A9 (en) * 2006-05-17 2015-01-29 Texas Instruments Inc. Cqi feedback for mimo deployments
WO2008022243A2 (en) * 2006-08-18 2008-02-21 Qualcomm Incorporated Feedback of precoding control indication (pci) and channel quality indication (cqi) in a wireless communication system
TWI526107B (zh) * 2006-10-10 2016-03-11 內數位科技公司 爲傳送至多數無線傳送／接收單元下鏈分享服務發送反饋之方法及裝置
US7920511B2 (en) * 2006-10-31 2011-04-05 Samsung Electronics Co., Ltd. Method and system for managing channels in a wireless communication system
US9281917B2 (en) * 2007-01-03 2016-03-08 Nokia Technologies Oy Shared control channel structure
US8073069B2 (en) * 2007-01-05 2011-12-06 Apple Inc. Multi-user MIMO-SDMA for finite rate feedback systems
US7961672B2 (en) 2007-02-23 2011-06-14 Texas Instruments Incorporated CQI feedback for OFDMA systems
CN101843002B (zh) * 2007-08-31 2013-07-17 诺基亚西门子通信公司 差分信道质量报告的方法

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EP2122912A2 (en) 2009-11-25
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US20100034093A1 (en) 2010-02-11
US20140369262A1 (en) 2014-12-18
CN101606356B (zh) 2012-11-21
CN101606356A (zh) 2009-12-16
JP2010514330A (ja) 2010-04-30
CN101695012B (zh) 2013-08-07
EP2122912B1 (en) 2013-07-17
JP2010022051A (ja) 2010-01-28
US20100110982A1 (en) 2010-05-06
KR20080073218A (ko) 2008-08-08
US8036131B2 (en) 2011-10-11
EP2122912A4 (en) 2010-05-05
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TWI432073B (zh) 2014-03-21
TW200843531A (en) 2008-11-01
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WO2008096997A2 (en) 2008-08-14
ATE505869T1 (de) 2011-04-15
KR101405960B1 (ko) 2014-06-17
DE602008006205D1 (de) 2011-05-26
EP2182665A1 (en) 2010-05-05
DK2182665T3 (da) 2011-08-01
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US9445292B2 (en) 2016-09-13
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