NO20071261L - Fremgangsmate og system for linktilpasning i et ortogonalfrekvensdeltmultiplekset (OFDM) tradlost kommunikasjonssystem - Google Patents

Fremgangsmate og system for linktilpasning i et ortogonalfrekvensdeltmultiplekset (OFDM) tradlost kommunikasjonssystem

Info

Publication number
NO20071261L
NO20071261L NO20071261A NO20071261A NO20071261L NO 20071261 L NO20071261 L NO 20071261L NO 20071261 A NO20071261 A NO 20071261A NO 20071261 A NO20071261 A NO 20071261A NO 20071261 L NO20071261 L NO 20071261L
Authority
NO
Norway
Prior art keywords
ofdm
orthogonal frequency
wireless communication
communication system
fitting method
Prior art date
Application number
NO20071261A
Other languages
English (en)
Norwegian (no)
Inventor
Robert Lind Olesen
Guodong Zhang
Chang-Soo Koo
Yuejin Huang
Yingming Tsai
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 NO20071261L publication Critical patent/NO20071261L/no

Links

Classifications

    • 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
    • H04L27/2626—Arrangements specific to the transmitter only
    • H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • 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
    • H04B7/0413—MIMO systems
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • 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
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • H04L1/0016—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy involving special memory structures, e.g. look-up tables
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
NO20071261A 2004-08-11 2007-03-08 Fremgangsmate og system for linktilpasning i et ortogonalfrekvensdeltmultiplekset (OFDM) tradlost kommunikasjonssystem NO20071261L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US60074104P 2004-08-11 2004-08-11
US11/123,738 US20060034244A1 (en) 2004-08-11 2005-05-06 Method and system for link adaptation in an orthogonal frequency division multiplexing (OFDM) wireless communication system
PCT/US2005/026670 WO2006020400A2 (en) 2004-08-11 2005-07-27 Method and system for link adaptation in an orthogonal frequency division multiplexing (ofdm) wireless communication system

Publications (1)

Publication Number Publication Date
NO20071261L true NO20071261L (no) 2007-03-08

Family

ID=35799854

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20071261A NO20071261L (no) 2004-08-11 2007-03-08 Fremgangsmate og system for linktilpasning i et ortogonalfrekvensdeltmultiplekset (OFDM) tradlost kommunikasjonssystem

Country Status (12)

Country Link
US (1) US20060034244A1 (zh)
EP (2) EP2187554A1 (zh)
JP (1) JP2008510374A (zh)
KR (2) KR20070059086A (zh)
AU (2) AU2005274162B2 (zh)
BR (1) BRPI0515018A (zh)
CA (1) CA2576481A1 (zh)
IL (1) IL181026A0 (zh)
MX (1) MX2007001709A (zh)
NO (1) NO20071261L (zh)
TW (3) TW201004195A (zh)
WO (1) WO2006020400A2 (zh)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7469152B2 (en) * 2004-11-30 2008-12-23 The Regents Of The University Of California Method and apparatus for an adaptive multiple-input multiple-output (MIMO) wireless communications systems
US8068550B2 (en) * 2005-01-28 2011-11-29 Broadcom Corporation Initiation of a MIMO communication
US7742444B2 (en) * 2005-03-15 2010-06-22 Qualcomm Incorporated Multiple other sector information combining for power control in a wireless communication system
US9055552B2 (en) * 2005-06-16 2015-06-09 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
US8750908B2 (en) * 2005-06-16 2014-06-10 Qualcomm Incorporated Quick paging channel with reduced probability of missed page
JP4823225B2 (ja) * 2005-08-19 2011-11-24 パナソニック株式会社 マルチキャリア通信装置およびマルチキャリア通信方法
US7688788B2 (en) * 2005-10-11 2010-03-30 Microsoft Corporation Congestion level and signal quality based estimator for bit-rate and automated load balancing for WLANS
US20070097935A1 (en) * 2005-10-27 2007-05-03 Alexei Gorokhov In-band rate control for an orthogonal frequency division multiple access communication system
US20090207790A1 (en) * 2005-10-27 2009-08-20 Qualcomm Incorporated Method and apparatus for settingtuneawaystatus in an open state in wireless communication system
US20070147226A1 (en) * 2005-10-27 2007-06-28 Aamod Khandekar Method and apparatus for achieving flexible bandwidth using variable guard bands
US8675549B2 (en) * 2005-10-27 2014-03-18 Qualcomm Incorporated Method of serving sector maintenance in a wireless communication systems
US7760827B2 (en) * 2005-11-30 2010-07-20 Motorola, Inc. Method and apparatus for improving recovery performance of time windowed signals
KR101369550B1 (ko) * 2005-12-23 2014-03-04 베이징 삼성 텔레콤 알 앤 디 센터 채널 품질 정보 보고를 위한 방법 및 장치
US20070153745A1 (en) * 2006-01-04 2007-07-05 Yishen Sun System and method for link adaptation for WLAN voice transmission
US8488532B2 (en) * 2006-01-23 2013-07-16 Sharp Kabushiki Kaisha Base station device, mobile station device, mobile station identifier allocation method, program, and recording medium
US7627347B2 (en) * 2006-03-17 2009-12-01 Nokia Corporation Data transmission parameter optimization in MIMO communications system
FI20065183A0 (fi) * 2006-03-20 2006-03-20 Nokia Corp Kanavan laadun signalointi
CN102684839A (zh) * 2006-03-24 2012-09-19 华为技术有限公司 发送子带指示的方法和系统
CN102724019A (zh) * 2006-03-24 2012-10-10 华为技术有限公司 发送子带指示的方法和系统
CN101238672B (zh) * 2006-03-24 2012-07-04 华为技术有限公司 发送子带指示的方法和系统
EP2256977B1 (en) * 2006-04-14 2012-12-19 Mitsubishi Electric R&D Centre Europe B.V. Method for obtaining information representative of the channel quality indication on at least one frequency subband
EP2381607B1 (en) 2006-04-21 2013-01-16 Panasonic Corporation Mimo receiver apparatus and mimo transmitter apparatus
KR20080004701A (ko) * 2006-07-06 2008-01-10 삼성전자주식회사 무선 통신시스템에서 채널 피드백 장치 및 방법
PL2276191T3 (pl) 2006-09-26 2022-02-07 Optis Wireless Technology, Llc Schemat komunikowania informacji o jakości kanału
US7924809B2 (en) * 2006-11-22 2011-04-12 Intel Corporation Techniques to provide a channel quality indicator
JP2008219401A (ja) * 2007-03-02 2008-09-18 Sanyo Electric Co Ltd スロット連結時のスロット割当方法およびそれを利用した基地局装置
US20080239936A1 (en) * 2007-03-28 2008-10-02 Motorola, Inc. Method and apparatus for mitigating interference in multicarrier modulation systems
US20100177717A1 (en) * 2007-04-19 2010-07-15 Lg Electronics Inc. Grouping based resource allocation method, method for transmitting signal using the same, and grouping based resource allocation controller
BRPI0721836A2 (pt) * 2007-07-06 2013-03-05 Ericsson Telefon Ab L M dispositivo de terminal màvel, mÉtodo em um dispositivo de terminal màvel, e, estaÇço base
CN101772933B (zh) * 2007-08-07 2015-06-17 夏普株式会社 通信装置以及接收质量信息生成方法
KR101455981B1 (ko) * 2007-08-14 2014-11-03 엘지전자 주식회사 하향링크 상황에 따른 적응적 채널 품질 지시자 생성 방법및 이를 위한 사용자 기기
KR101341517B1 (ko) * 2007-08-31 2013-12-16 엘지전자 주식회사 인접 대역 선택 방식에 기초한 채널 품질 지시자 생성 및전송 방법
US7778340B2 (en) * 2007-09-06 2010-08-17 Hong Kong Applied Science And Technology Research Institute Co., Ltd. Accurate channel quality indicator for link adaptation of MIMO communication systems
US7933350B2 (en) * 2007-10-30 2011-04-26 Telefonaktiebolaget Lm Ericsson (Publ) Channel-dependent frequency-domain scheduling in an orthogonal frequency division multiplexing communications system
KR100937040B1 (ko) * 2007-12-03 2010-01-15 한국전자통신연구원 다중 송수신 안테나 시스템에서의 자동 재전송 요구 처리장치 및 그 방법
PL2073420T3 (pl) * 2007-12-19 2011-04-29 Sony Corp Optymalna regulacja bitowej stopy błędów dla adaptacyjnych modulacji wieloczęstotliwościowych
JP4893618B2 (ja) * 2007-12-27 2012-03-07 富士通東芝モバイルコミュニケーションズ株式会社 移動無線端末装置および移動通信システム
US8493874B2 (en) * 2008-05-05 2013-07-23 Motorola Mobility Llc Method and apparatus for providing channel quality feedback in an orthogonal frequency division multiplexing communication system
US8355360B2 (en) * 2008-05-14 2013-01-15 Motorola Mobility Llc Method and apparatus for allocating downlink power in an orthogonal frequency division multiplexing communication system
JP2010130200A (ja) * 2008-11-26 2010-06-10 Sharp Corp 送信装置、受信装置、通信システムおよび通信方法
WO2010085722A1 (en) 2009-01-26 2010-07-29 Drexel University Systems and methods for selecting reconfigurable antennas in mimo systems
KR101562519B1 (ko) * 2009-02-06 2015-10-22 삼성전자주식회사 Ｏｆｄｍ 시스템에서의 전력분배 방법 및 장치
JP5025712B2 (ja) * 2009-11-10 2012-09-12 パナソニック株式会社 無線通信装置および無線通信方法
US8767657B1 (en) * 2011-04-19 2014-07-01 Quantenna Communications Inc. Mixed-mode MIMO detector in a local area network
EP2579487B1 (en) 2011-10-03 2014-05-21 ST-Ericsson SA Non-contiguous carrier aggregation
WO2013163817A1 (zh) 2012-05-04 2013-11-07 华为技术有限公司 信噪比获取方法、信号接收设备以及信号发送设备
CN107005973B (zh) * 2014-12-05 2021-02-02 瑞典爱立信有限公司 执行链接自适应的方法和通信设备
CN108174413B (zh) * 2017-12-26 2020-09-01 Oppo广东移动通信有限公司 参数调整方法及装置

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2169911T3 (es) * 1998-04-14 2002-07-16 Fraunhofer Ges Forschung Estructura de cuadro y sincronizacion de cuadro para sistemas de multiportadoras.
DE10012784A1 (de) * 2000-03-16 2001-09-27 Degussa Ruß
EP2259479B1 (en) * 2000-11-20 2019-04-17 Sony Deutschland GmbH Adaptive subcarrier loading
US6931644B2 (en) * 2000-12-21 2005-08-16 International Business Machines Corporation Hierarchical connected graph model for implementation of event management design
US6731668B2 (en) * 2001-01-05 2004-05-04 Qualcomm Incorporated Method and system for increased bandwidth efficiency in multiple input—multiple output channels
US6751187B2 (en) * 2001-05-17 2004-06-15 Qualcomm Incorporated Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission
US6944460B2 (en) * 2001-06-07 2005-09-13 Telefonaktiebolaget L M Ericsson (Publ) System and method for link adaptation in communication systems
US6784439B2 (en) * 2001-07-19 2004-08-31 Ut Battelle, Llc Thin-channel electrospray emitter
US7164649B2 (en) * 2001-11-02 2007-01-16 Qualcomm, Incorporated Adaptive rate control for OFDM communication system
US6856604B2 (en) * 2001-12-19 2005-02-15 Qualcomm Incorporated Efficient multi-cast broadcasting for packet data systems
US7020110B2 (en) * 2002-01-08 2006-03-28 Qualcomm Incorporated Resource allocation for MIMO-OFDM communication systems
US7245598B2 (en) * 2002-02-21 2007-07-17 Qualcomm Incorporated Feedback of channel quality information
US7986672B2 (en) * 2002-02-25 2011-07-26 Qualcomm Incorporated Method and apparatus for channel quality feedback in a wireless communication
US7103325B1 (en) * 2002-04-05 2006-09-05 Nortel Networks Limited Adaptive modulation and coding
TWI455509B (zh) * 2002-08-07 2014-10-01 Intel Corp 支援多媒體廣播及多播服務之頻道切換
US7412212B2 (en) * 2002-10-07 2008-08-12 Nokia Corporation Communication system
KR100517237B1 (ko) * 2002-12-09 2005-09-27 한국전자통신연구원 직교 주파수 분할 다중화 무선 통신 시스템에서의채널품질 추정과 링크적응 방법 및 그 장치
KR100950652B1 (ko) * 2003-01-08 2010-04-01 삼성전자주식회사 직교 주파수 분할 다중 전송 방식에서 순방향 링크의 채널 상태 추정 방법
KR100640461B1 (ko) * 2003-07-30 2006-10-30 삼성전자주식회사 직교 주파수 분할 다중 접속 방식을 사용하는 이동 통신시스템에서 서브 채널 할당 장치 및 방법
MXPA06001808A (es) * 2003-08-20 2006-05-04 Matsushita Electric Ind Co Ltd Aparato de comunicacion por radio y metodo de asignacion de subportadores.
US7349436B2 (en) * 2003-09-30 2008-03-25 Intel Corporation Systems and methods for high-throughput wideband wireless local area network communications
KR100876757B1 (ko) * 2003-10-31 2009-01-07 삼성전자주식회사 통신 시스템에서 서브 채널 구성 시스템 및 방법
US7352819B2 (en) * 2003-12-24 2008-04-01 Intel Corporation Multiantenna communications apparatus, methods, and system
US20050169261A1 (en) * 2004-02-03 2005-08-04 Texas Instruments Incorporated Method of signaling the length of OFDM WLAN packets
US7701909B2 (en) * 2004-02-17 2010-04-20 Alcatel-Lucent Usa Inc. Methods and devices for selecting sets of available sub-channels
US8031686B2 (en) * 2004-06-30 2011-10-04 Neocific, Inc. Methods and apparatus for power control in multi-carrier wireless systems
US7272190B2 (en) * 2004-07-07 2007-09-18 Motorola, Inc. Method and apparatus for determining channel quality and performing adaptive modulation/coding within a multicarrier communication system

Also Published As

Publication number Publication date
TW200623697A (en) 2006-07-01
TWI305094B (en) 2009-01-01
WO2006020400A2 (en) 2006-02-23
WO2006020400A3 (en) 2006-12-07
AU2008243233A1 (en) 2008-12-04
CA2576481A1 (en) 2006-02-23
MX2007001709A (es) 2007-04-16
EP1779571A2 (en) 2007-05-02
EP1779571A4 (en) 2007-12-19
BRPI0515018A (pt) 2008-07-01
IL181026A0 (en) 2007-07-04
JP2008510374A (ja) 2008-04-03
KR20070067705A (ko) 2007-06-28
EP2187554A1 (en) 2010-05-19
TW200705872A (en) 2007-02-01
US20060034244A1 (en) 2006-02-16
AU2005274162A1 (en) 2006-02-23
KR20070059086A (ko) 2007-06-11
TW201004195A (en) 2010-01-16
AU2005274162B2 (en) 2008-08-14

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