IN2014KN01784A - - Google Patents

Info

Publication number
IN2014KN01784A
IN2014KN01784A IN1784KON2014A IN2014KN01784A IN 2014KN01784 A IN2014KN01784 A IN 2014KN01784A IN 1784KON2014 A IN1784KON2014 A IN 1784KON2014A IN 2014KN01784 A IN2014KN01784 A IN 2014KN01784A
Authority
IN
India
Application number
Other languages
English (en)
Inventor
Zhengwei Gong
Original Assignee
Huawei Tech Co Ltd
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 Huawei Tech Co Ltd filed Critical Huawei Tech Co Ltd
Publication of IN2014KN01784A publication Critical patent/IN2014KN01784A/en

Links

Classifications

    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • 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
    • H04L1/0031—Multiple signaling transmission
    • 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
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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
    • H04B7/06—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
IN1784KON2014 2012-02-21 2014-08-25 IN2014KN01784A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210039559.6A CN103259615B (zh) 2012-02-21 2012-02-21 一种信息反馈方法及装置、终端
PCT/CN2013/071295 WO2013123850A1 (zh) 2012-02-21 2013-02-02 一种信息反馈方法及装置、终端

Publications (1)

Publication Number Publication Date
IN2014KN01784A true IN2014KN01784A (zh) 2015-10-23

Family

ID=48963342

Family Applications (1)

Application Number Title Priority Date Filing Date
IN1784KON2014 IN2014KN01784A (zh) 2012-02-21 2014-08-25

Country Status (4)

Country Link
US (1) US9590788B2 (zh)
CN (1) CN103259615B (zh)
IN (1) IN2014KN01784A (zh)
WO (1) WO2013123850A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110278013B (zh) * 2014-12-23 2022-01-14 华为技术有限公司 一种信道测量和反馈方法、网络设备及系统
EP3304781B1 (en) * 2015-05-24 2020-07-15 Telefonaktiebolaget LM Ericsson (publ) Method and device for electing a coordination node in a coordinated multipoiint set
US10694417B2 (en) 2016-01-07 2020-06-23 Telefonaktiebolaget Lm Ericsson (Publ) Methods and devices for downlink flow control in wireless communication systems
CN108462586B (zh) * 2017-02-17 2021-05-11 中兴通讯股份有限公司 一种协同节点的选择方法和装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8208566B2 (en) * 2006-08-21 2012-06-26 Samsung Electronics Co., Ltd. Apparatus and method for transmitting/receiving feedback information in a multi-user MIMO system, and system thereof
CN101110623B (zh) * 2007-08-30 2011-11-23 中国科学技术大学 一种有限反馈多入多出多用户系统的部分用户反馈方法
US8498647B2 (en) * 2008-08-28 2013-07-30 Qualcomm Incorporated Distributed downlink coordinated multi-point (CoMP) framework
US8369429B2 (en) * 2009-03-18 2013-02-05 Lg Electronics Inc. Method and apparatus for transmitting precoding matrix index in a wireless communication system using CoMP scheme
CN101867964B (zh) * 2009-04-17 2012-10-31 电信科学技术研究院 一种确定协作传输节点的方法及系统、装置
US20100284346A1 (en) * 2009-05-11 2010-11-11 Rudrapatna Ashok N System and method for cell-edge performance management in wireless systems using centralized scheduling
CN101583161B (zh) * 2009-05-26 2013-02-13 北京邮电大学 协作节点单元选择方法及装置
KR101530559B1 (ko) * 2009-06-04 2015-06-22 삼성전자 주식회사 무선통신 셀룰러 시스템에서 셀간 협력 전송을 위한 피드백 정보 송수신 방법 및 장치
CN101674275B (zh) * 2009-09-22 2012-05-30 北京邮电大学 用于宽带移动通信系统降低信道质量信息反馈开销的方法
CN102104966A (zh) * 2009-12-16 2011-06-22 株式会社Ntt都科摩 多用户多点协同传输方法及中心处理单元
CN101800578B (zh) * 2010-01-08 2013-04-17 西安电子科技大学 减小下行链路多点协作隐式反馈开销方法
JP5800022B2 (ja) * 2011-08-12 2015-10-28 富士通株式会社 無線通信システム、基地局、及び移動局
CN102291839B (zh) * 2011-08-16 2014-07-09 电信科学技术研究院 一种cqi信息的传输方法及装置

Also Published As

Publication number Publication date
US9590788B2 (en) 2017-03-07
US20150009849A1 (en) 2015-01-08
CN103259615B (zh) 2016-06-22
WO2013123850A1 (zh) 2013-08-29
CN103259615A (zh) 2013-08-21

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