SG179491A1 - Method and apparatus for feedback overhead reduction in wireless communications - Google Patents

Method and apparatus for feedback overhead reduction in wireless communications

Info

Publication number
SG179491A1
SG179491A1 SG2012018206A SG2012018206A SG179491A1 SG 179491 A1 SG179491 A1 SG 179491A1 SG 2012018206 A SG2012018206 A SG 2012018206A SG 2012018206 A SG2012018206 A SG 2012018206A SG 179491 A1 SG179491 A1 SG 179491A1
Authority
SG
Singapore
Prior art keywords
wireless communications
overhead reduction
feedback overhead
feedback
transmission
Prior art date
Application number
SG2012018206A
Other languages
English (en)
Inventor
Afshin Haghighat
Robert L Olesen
Guodong Zhang
Zinan Lin
Original Assignee
Interdigital Tech 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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of SG179491A1 publication Critical patent/SG179491A1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • 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
    • H04B7/0658—Feedback reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • 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
    • 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
    • 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
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • 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)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SG2012018206A 2007-03-15 2008-03-14 Method and apparatus for feedback overhead reduction in wireless communications SG179491A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US89507907P 2007-03-15 2007-03-15
US91439707P 2007-04-27 2007-04-27
US94255407P 2007-06-07 2007-06-07

Publications (1)

Publication Number Publication Date
SG179491A1 true SG179491A1 (en) 2012-04-27

Family

ID=39680909

Family Applications (2)

Application Number Title Priority Date Filing Date
SG10201500997PA SG10201500997PA (en) 2007-03-15 2008-03-14 Method and apparatus for feedback overhead reduction in wireless communications
SG2012018206A SG179491A1 (en) 2007-03-15 2008-03-14 Method and apparatus for feedback overhead reduction in wireless communications

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SG10201500997PA SG10201500997PA (en) 2007-03-15 2008-03-14 Method and apparatus for feedback overhead reduction in wireless communications

Country Status (12)

Country Link
US (2) US8918061B2 (enExample)
EP (1) EP2143296A1 (enExample)
JP (3) JP5506404B2 (enExample)
KR (5) KR20150038725A (enExample)
AU (1) AU2008227120B2 (enExample)
BR (1) BRPI0808250A2 (enExample)
CA (1) CA2681029C (enExample)
IL (1) IL200917A0 (enExample)
MX (1) MX2009009889A (enExample)
MY (1) MY160476A (enExample)
SG (2) SG10201500997PA (enExample)
WO (1) WO2008115401A1 (enExample)

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KR101049138B1 (ko) 2007-03-19 2011-07-15 엘지전자 주식회사 이동 통신 시스템에서, 수신확인신호 수신 방법
EP2372941B1 (en) 2007-03-19 2019-02-27 LG Electronics Inc. A resource allocation method and a method for transmitting/receiving resource allocation information in mobile communication system
KR100908063B1 (ko) 2007-06-13 2009-07-15 엘지전자 주식회사 이동 통신 시스템에서 확산신호를 송신하는 방법
KR100913090B1 (ko) 2007-06-13 2009-08-21 엘지전자 주식회사 통신 시스템에서 확산 신호를 송신하는 방법
KR100900289B1 (ko) 2007-06-21 2009-05-29 엘지전자 주식회사 직교 주파수 분할 다중화 시스템에서 제어 채널을 송수신하는 방법
WO2009019892A1 (ja) * 2007-08-09 2009-02-12 Panasonic Corporation 端末装置、基地局装置及び周波数リソース割当方法
WO2010092738A1 (ja) 2009-02-10 2010-08-19 パナソニック株式会社 通信装置及び受信品質の報告方法
DE102009060553A1 (de) * 2009-08-24 2011-03-03 Vitaphone Gmbh Verfahren und System zur Speicherung und Auswertung von Daten, insbesondere Vitaldaten
US9680623B2 (en) * 2012-04-20 2017-06-13 Lg Electronics Inc. Method for reporting channel state, and apparatus therefor
EP3320626A1 (en) 2015-07-10 2018-05-16 Interdigital Patent Holdings, Inc. Unified feedback for ofdma wlan
KR101746799B1 (ko) 2015-11-04 2017-06-14 주식회사 쏠리드 분산 안테나 시스템
US11031827B2 (en) * 2019-01-18 2021-06-08 Ossia Inc. Optimizing pairing of a wireless power transmission system with a wireless power receiver client
CN111818646B (zh) * 2019-07-30 2021-09-24 维沃移动通信有限公司 一种dci传输方法和通信设备

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Also Published As

Publication number Publication date
BRPI0808250A2 (pt) 2014-07-29
AU2008227120B2 (en) 2011-09-01
US8918061B2 (en) 2014-12-23
JP2014140258A (ja) 2014-07-31
MY160476A (en) 2017-03-15
US20140321307A1 (en) 2014-10-30
KR20150038725A (ko) 2015-04-08
JP2013062863A (ja) 2013-04-04
US9326190B2 (en) 2016-04-26
WO2008115401A1 (en) 2008-09-25
MX2009009889A (es) 2009-11-10
JP2010521877A (ja) 2010-06-24
JP5540059B2 (ja) 2014-07-02
SG10201500997PA (en) 2015-04-29
KR20130045390A (ko) 2013-05-03
KR20100015834A (ko) 2010-02-12
CA2681029C (en) 2015-11-24
CA2681029A1 (en) 2008-09-25
AU2008227120A1 (en) 2008-09-25
IL200917A0 (en) 2010-05-17
KR101616581B1 (ko) 2016-04-28
KR20090130377A (ko) 2009-12-23
EP2143296A1 (en) 2010-01-13
KR20140074403A (ko) 2014-06-17
JP5506404B2 (ja) 2014-05-28
US20080227398A1 (en) 2008-09-18

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