BR112013007301A2 - systems and methods for communicating channel state information - Google Patents

systems and methods for communicating channel state information

Info

Publication number
BR112013007301A2
BR112013007301A2 BR112013007301A BR112013007301A BR112013007301A2 BR 112013007301 A2 BR112013007301 A2 BR 112013007301A2 BR 112013007301 A BR112013007301 A BR 112013007301A BR 112013007301 A BR112013007301 A BR 112013007301A BR 112013007301 A2 BR112013007301 A2 BR 112013007301A2
Authority
BR
Brazil
Prior art keywords
systems
methods
state information
channel state
communicating channel
Prior art date
Application number
BR112013007301A
Other languages
Portuguese (pt)
Other versions
BR112013007301B1 (en
Inventor
Hemanth Sampath
Sameer Vermani
Santosh Paul Abraham
Simone Merlin
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
Priority claimed from PCT/US2011/054084 external-priority patent/WO2012044863A1/en
Publication of BR112013007301A2 publication Critical patent/BR112013007301A2/en
Publication of BR112013007301B1 publication Critical patent/BR112013007301B1/en

Links

Classifications

    • 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
    • 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
    • H04L1/0025—Transmission of mode-switching 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
    • H04L1/0026—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
    • 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
    • H04L1/0036—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver
    • H04L1/0039—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the receiver other detection of signalling, e.g. detection of TFCI explicit signalling
    • 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

Abstract

sistemas e métodos para comunicação de informação de estado de canal.systems and methods for communicating channel state information.

BR112013007301-2A 2010-09-29 2011-09-29 Systems and methods for communicating channel state information BR112013007301B1 (en)

Applications Claiming Priority (14)

Application Number Priority Date Filing Date Title
US38754210P 2010-09-29 2010-09-29
US38949510P 2010-10-04 2010-10-04
US61/389,495 2010-10-04
US40519410P 2010-10-20 2010-10-20
US61/405,194 2010-10-20
US40528310P 2010-10-21 2010-10-21
US40964510P 2010-11-03 2010-11-03
US61/409,645 2010-11-03
US42209810P 2010-12-10 2010-12-10
US61/422,098 2010-12-10
US201161432115P 2011-01-12 2011-01-12
US61/432,115 2011-01-12
US201161247047P 2011-09-28 2011-09-28
PCT/US2011/054084 WO2012044863A1 (en) 2010-09-29 2011-09-29 Systems and methods for communication of channel state information

Publications (2)

Publication Number Publication Date
BR112013007301A2 true BR112013007301A2 (en) 2016-07-05
BR112013007301B1 BR112013007301B1 (en) 2022-02-15

Family

ID=56268418

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013007301-2A BR112013007301B1 (en) 2010-09-29 2011-09-29 Systems and methods for communicating channel state information

Country Status (1)

Country Link
BR (1) BR112013007301B1 (en)

Also Published As

Publication number Publication date
BR112013007301B1 (en) 2022-02-15

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Legal Events

Date Code Title Description
B15K Others concerning applications: alteration of classification

Ipc: H04L 1/00 (2006.01), H04L 5/00 (2006.01), H04B 7/0

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04L 1/00 , H04L 5/00 , H04B 7/06 , H04B 7/0413

Ipc: H04B 7/06 (2006.01), H04L 1/00 (2006.01), H04L 5/0

B350 Update of information on the portal [chapter 15.35 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 29/09/2011, OBSERVADAS AS CONDICOES LEGAIS. PATENTE CONCEDIDA CONFORME ADI 5.529/DF, QUE DETERMINA A ALTERACAO DO PRAZO DE CONCESSAO.