DK2060021T3 - Effektiv cqi-signalering i mimo-systemer med variabelt antal stråler - Google Patents

Effektiv cqi-signalering i mimo-systemer med variabelt antal stråler Download PDF

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Publication number
DK2060021T3
DK2060021T3 DK07826159.1T DK07826159T DK2060021T3 DK 2060021 T3 DK2060021 T3 DK 2060021T3 DK 07826159 T DK07826159 T DK 07826159T DK 2060021 T3 DK2060021 T3 DK 2060021T3
Authority
DK
Denmark
Prior art keywords
rays
variable number
mimo systems
cqi signaling
efficient cqi
Prior art date
Application number
DK07826159.1T
Other languages
English (en)
Inventor
Matthew P J Baker
Timothy J Moulsley
Original Assignee
Koninklijke Philips Nv
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 Koninklijke Philips Nv filed Critical Koninklijke Philips Nv
Application granted granted Critical
Publication of DK2060021T3 publication Critical patent/DK2060021T3/da

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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
    • H04B7/0632—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
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • 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
    • H04L1/0027—Scheduling of signalling, e.g. occurrence thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
DK07826159.1T 2006-08-28 2007-08-28 Effektiv cqi-signalering i mimo-systemer med variabelt antal stråler DK2060021T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06119652 2006-08-28
EP06120720 2006-09-15
PCT/IB2007/053439 WO2008026152A2 (en) 2006-08-28 2007-08-28 Efficient cqi signaling in mimo systems with variable numbers of beams

Publications (1)

Publication Number Publication Date
DK2060021T3 true DK2060021T3 (da) 2019-07-01

Family

ID=39007936

Family Applications (1)

Application Number Title Priority Date Filing Date
DK07826159.1T DK2060021T3 (da) 2006-08-28 2007-08-28 Effektiv cqi-signalering i mimo-systemer med variabelt antal stråler

Country Status (14)

Country Link
US (2) US8542757B2 (da)
EP (1) EP2060021B1 (da)
JP (1) JP5474549B2 (da)
KR (1) KR101483666B1 (da)
CN (1) CN101512930B (da)
CY (1) CY1121685T1 (da)
DK (1) DK2060021T3 (da)
ES (1) ES2728378T3 (da)
HU (1) HUE044531T2 (da)
LT (1) LT2060021T (da)
PL (1) PL2060021T3 (da)
PT (1) PT2060021T (da)
SI (1) SI2060021T1 (da)
WO (1) WO2008026152A2 (da)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8675545B2 (en) * 2009-08-24 2014-03-18 Electronics & Telecommunications Research Institute Method and apparatus for allocating traffic resources in multi-beam satellite communication system
KR102299326B1 (ko) 2013-09-27 2021-09-08 삼성전자주식회사 무선 통신 시스템에서 빔 정보 송수신 장치 및 방법
US10425922B2 (en) * 2016-02-20 2019-09-24 Qualcomm Incorporated Communication of uplink control information
US10397904B2 (en) 2016-02-20 2019-08-27 Qualcomm Incorporated Communication of uplink control information
CN108924929B (zh) * 2017-03-22 2021-10-15 北京紫光展锐通信技术有限公司 波束恢复方法及基站、用户终端
CN111418222B (zh) * 2018-08-30 2023-09-29 联发科技（新加坡）私人有限公司 降低通信装置功耗的方法及通信装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0020088D0 (en) * 2000-08-15 2000-10-04 Fujitsu Ltd Adaptive beam forming
DE60131576T2 (de) * 2001-09-05 2008-09-25 Nokia Corp. Rückgekoppeltes regelungsverfahren für mehrere sendeantennenkeulen und entsprechender transceiver
US7437166B2 (en) * 2003-09-24 2008-10-14 Telefonaktiebolaget Lm Ericsson (Publ) Reducing shared downlink radio channel interference by transmitting to multiple mobiles using multiple antenna beams
KR100995031B1 (ko) * 2003-10-01 2010-11-19 엘지전자 주식회사 다중입력 다중출력 시스템에 적용되는 신호 전송 제어 방법
US8249518B2 (en) * 2003-12-29 2012-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Network controlled feedback for MIMO systems
SE0400370D0 (sv) 2004-02-13 2004-02-13 Ericsson Telefon Ab L M Adaptive MIMO architecture
CN100578959C (zh) * 2004-04-07 2010-01-06 Lg电子株式会社 在多输入/多输出通信系统中处理控制信息的方法和装置
KR100640514B1 (ko) 2004-07-27 2006-10-30 삼성전자주식회사 다중 안테나를 사용하는 무선 통신 시스템에서 데이터스트림 전송 장치 및 방법
DE602005019062D1 (de) 2004-08-12 2010-03-11 Interdigital Tech Corp Verfahren und vorrichtung zur implementierung von raum-frequenz-blockcodierung in einem drahtlosen orthogonalen frequenzmultiplex-kommunikationssystem
CN101057420B (zh) * 2004-11-10 2012-08-15 株式会社Ntt都科摩 移动通信系统、移动台及无线基站
KR100938525B1 (ko) 2005-03-30 2010-01-25 후지쯔 가부시끼가이샤 이동 단말기, 무선 통신 장치 및 무선 통신 방법
US7697626B2 (en) * 2006-01-13 2010-04-13 Interdigital Technology Corporation Method and apparatus for selecting a beam combination in a MIMO wireless communication system

Also Published As

Publication number Publication date
JP2010503255A (ja) 2010-01-28
KR101483666B1 (ko) 2015-01-16
CY1121685T1 (el) 2020-07-31
USRE46450E1 (en) 2017-06-20
LT2060021T (lt) 2019-05-27
EP2060021B1 (en) 2019-03-27
US8542757B2 (en) 2013-09-24
PL2060021T3 (pl) 2019-09-30
EP2060021A2 (en) 2009-05-20
WO2008026152A3 (en) 2008-05-08
ES2728378T3 (es) 2019-10-24
PT2060021T (pt) 2019-07-10
CN101512930A (zh) 2009-08-19
JP5474549B2 (ja) 2014-04-16
KR20090042936A (ko) 2009-05-04
SI2060021T1 (sl) 2019-06-28
US20090323839A1 (en) 2009-12-31
CN101512930B (zh) 2013-09-18
HUE044531T2 (hu) 2019-10-28
WO2008026152A2 (en) 2008-03-06

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