BR112012026143A2 - reportar informações de estado de canal em uma rede de comunicação sem fio - Google Patents

reportar informações de estado de canal em uma rede de comunicação sem fio

Info

Publication number
BR112012026143A2
BR112012026143A2 BR112012026143A BR112012026143A BR112012026143A2 BR 112012026143 A2 BR112012026143 A2 BR 112012026143A2 BR 112012026143 A BR112012026143 A BR 112012026143A BR 112012026143 A BR112012026143 A BR 112012026143A BR 112012026143 A2 BR112012026143 A2 BR 112012026143A2
Authority
BR
Brazil
Prior art keywords
state information
channel state
wireless communication
communication network
report channel
Prior art date
Application number
BR112012026143A
Other languages
English (en)
Other versions
BR112012026143A8 (pt
BR112012026143B1 (pt
Inventor
Alan Barbieri
Durga Prasad Malladi
Hao Xu
Tao Luo
Tingfang Ji
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 BR112012026143A2 publication Critical patent/BR112012026143A2/pt
Publication of BR112012026143A8 publication Critical patent/BR112012026143A8/pt
Publication of BR112012026143B1 publication Critical patent/BR112012026143B1/pt

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
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network

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)

Abstract

reportar informações de estado de canal em uma rede de comunicação sem fio. de acordo com certos aspectos, são providas técnicas para periodicamente reportar informação de estado de canal (csi) em recursos protegidos e não protegidos. os recursos protegidos podem incluir recursos nos quais as transmissões em uma primeira célula são protegidas mediante restrição de transmissões em uma segunda célula.
BR112012026143-6A 2010-04-13 2011-04-13 Reportar informação de estado de canal em uma rede de comunicação sem fio BR112012026143B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US32382910P 2010-04-13 2010-04-13
US61/323,829 2010-04-13
US13/084,959 2011-04-12
US13/084,959 US9515773B2 (en) 2010-04-13 2011-04-12 Channel state information reporting in a wireless communication network
PCT/US2011/032297 WO2011130393A1 (en) 2010-04-13 2011-04-13 Channel state information reporting in a wireless communication network

Publications (3)

Publication Number Publication Date
BR112012026143A2 true BR112012026143A2 (pt) 2016-06-28
BR112012026143A8 BR112012026143A8 (pt) 2018-06-26
BR112012026143B1 BR112012026143B1 (pt) 2021-11-16

Family

ID=44760875

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012026143-6A BR112012026143B1 (pt) 2010-04-13 2011-04-13 Reportar informação de estado de canal em uma rede de comunicação sem fio

Country Status (12)

Country Link
US (1) US9515773B2 (pt)
EP (1) EP2559184B1 (pt)
JP (1) JP5642872B2 (pt)
KR (1) KR101432213B1 (pt)
CN (1) CN102835053B (pt)
BR (1) BR112012026143B1 (pt)
CA (1) CA2794732C (pt)
HK (1) HK1179434A1 (pt)
MY (1) MY162301A (pt)
RU (1) RU2533313C2 (pt)
WO (1) WO2011130393A1 (pt)
ZA (1) ZA201208419B (pt)

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