MX355196B - Metodo y terminal para realimentar informacion de estado de canal. - Google Patents

Metodo y terminal para realimentar informacion de estado de canal.

Info

Publication number
MX355196B
MX355196B MX2015009961A MX2015009961A MX355196B MX 355196 B MX355196 B MX 355196B MX 2015009961 A MX2015009961 A MX 2015009961A MX 2015009961 A MX2015009961 A MX 2015009961A MX 355196 B MX355196 B MX 355196B
Authority
MX
Mexico
Prior art keywords
terminal
information
feeding back
channel state
state information
Prior art date
Application number
MX2015009961A
Other languages
English (en)
Other versions
MX2015009961A (es
Inventor
Chen Yijian
Yang Xun
Ngok Li Yu
Zhao Jing
Original Assignee
Zte Corp
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 Zte Corp filed Critical Zte Corp
Publication of MX2015009961A publication Critical patent/MX2015009961A/es
Publication of MX355196B publication Critical patent/MX355196B/es

Links

Classifications

    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • 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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • 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
    • H04L1/0001—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)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Un método y terminal para realimentar información de estado de canal son aplicables a un sistema de 4 antenas. El método comprende: un terminal que adquiere información de estado de canal, realizando el terminal una codificación conjunta sobre información de PMI1 e información de RI en un informe de realimentación de 4 bits o 5 bits o bien, realizando una codificación conjunta sobre información de PMI1 e información de PMI2 en un informe de realimentación de 4 bits o bien, realizando la codificación sobre información de PMI2 en un informe de realimentación de 2 bits y retornando el terminal el informe de realimentación en un canal de control de enlace ascendente físico.
MX2015009961A 2013-05-24 2014-03-21 Metodo y terminal para realimentar informacion de estado de canal. MX355196B (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201310198968.5A CN104184560A (zh) 2013-05-24 2013-05-24 信道状态信息反馈方法和终端
PCT/CN2014/000314 WO2014187146A1 (zh) 2013-05-24 2014-03-21 信道状态信息反馈方法和终端

Publications (2)

Publication Number Publication Date
MX2015009961A MX2015009961A (es) 2015-09-29
MX355196B true MX355196B (es) 2018-04-09

Family

ID=51932787

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2015009961A MX355196B (es) 2013-05-24 2014-03-21 Metodo y terminal para realimentar informacion de estado de canal.

Country Status (11)

Country Link
US (1) US9800312B2 (es)
EP (1) EP2955869A4 (es)
JP (1) JP6073504B2 (es)
KR (1) KR101896753B1 (es)
CN (3) CN110830165B (es)
AU (1) AU2014271098B2 (es)
BR (1) BR112015018475A2 (es)
CA (1) CA2899660C (es)
MX (1) MX355196B (es)
RU (1) RU2616156C1 (es)
WO (1) WO2014187146A1 (es)

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Also Published As

Publication number Publication date
CA2899660A1 (en) 2014-11-27
US9800312B2 (en) 2017-10-24
CN114257341B (zh) 2023-08-29
AU2014271098B2 (en) 2016-11-10
EP2955869A1 (en) 2015-12-16
KR20160013515A (ko) 2016-02-04
AU2014271098A1 (en) 2015-08-06
RU2616156C1 (ru) 2017-04-12
CN110830165B (zh) 2021-12-21
JP2016511571A (ja) 2016-04-14
WO2014187146A1 (zh) 2014-11-27
CA2899660C (en) 2019-06-11
MX2015009961A (es) 2015-09-29
CN104184560A (zh) 2014-12-03
BR112015018475A2 (pt) 2017-07-18
EP2955869A4 (en) 2016-07-20
CN114257341A (zh) 2022-03-29
KR101896753B1 (ko) 2018-09-07
JP6073504B2 (ja) 2017-02-01
US20160065289A1 (en) 2016-03-03
CN110830165A (zh) 2020-02-21

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