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
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 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210039559.6A CN103259615B (en) 2012-02-21 2012-02-21 A kind of information feedback method and device, terminal
PCT/CN2013/071295 WO2013123850A1 (en) 2012-02-21 2013-02-02 Information feedback method and device and terminal

Publications (1)

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

Family

ID=48963342

Family Applications (1)

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

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110278013B (en) * 2014-12-23 2022-01-14 华为技术有限公司 Channel measurement and feedback method, network equipment and system
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 (en) * 2017-02-17 2021-05-11 中兴通讯股份有限公司 Method and device for selecting cooperative nodes

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 (en) * 2007-08-30 2011-11-23 中国科学技术大学 Part user feedback method for limited feedback of multiple-input multiple-output multi-user system
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 (en) * 2009-04-17 2012-10-31 电信科学技术研究院 Method, system and device for determining cooperative transmission node
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 (en) * 2009-05-26 2013-02-13 北京邮电大学 Cooperative node unit selection method and device
KR101530559B1 (en) * 2009-06-04 2015-06-22 삼성전자 주식회사 Method and Apparatus for receiving and transmitting feedback information for CoMP operations in wireless communication cellular systems
CN101674275B (en) * 2009-09-22 2012-05-30 北京邮电大学 Method for decreasing spending on channel quality information feedback of wide-band mobile communication system
CN102104966A (en) * 2009-12-16 2011-06-22 株式会社Ntt都科摩 Multi-user multi-point coordinated transmission method and central processing unit
CN101800578B (en) * 2010-01-08 2013-04-17 西安电子科技大学 Method for reducing downlink multipoint cooperation implicate feedback overhead
JP5800022B2 (en) * 2011-08-12 2015-10-28 富士通株式会社 Wireless communication system, base station, and mobile station
CN102291839B (en) * 2011-08-16 2014-07-09 电信科学技术研究院 Method and device for transmitting CQI (channel quality indicator) information

Also Published As

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

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