DE602004006817D1 - Vorrichtung und Verfahren zur Zuordnung von Unterträgern in einem MIMO OFDM-System - Google Patents

Vorrichtung und Verfahren zur Zuordnung von Unterträgern in einem MIMO OFDM-System

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Publication number
DE602004006817D1
DE602004006817D1 DE602004006817T DE602004006817T DE602004006817D1 DE 602004006817 D1 DE602004006817 D1 DE 602004006817D1 DE 602004006817 T DE602004006817 T DE 602004006817T DE 602004006817 T DE602004006817 T DE 602004006817T DE 602004006817 D1 DE602004006817 D1 DE 602004006817D1
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DE
Germany
Prior art keywords
ofdm system
mimo ofdm
assigning subcarriers
subcarriers
assigning
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602004006817T
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English (en)
Other versions
DE602004006817T2 (de
Inventor
Hyun-Seok Yu
Hyun-Seok Oh
Hye-Jeong Lee
Gin-Kyu Choi
Yong-Suk Moon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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.)
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Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE602004006817D1 publication Critical patent/DE602004006817D1/de
Application granted granted Critical
Publication of DE602004006817T2 publication Critical patent/DE602004006817T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J11/00Orthogonal multiplex systems, e.g. using WALSH codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037Inter-user or inter-terminal allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046Determination of how many bits are transmitted on different sub-channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/006Quality of the received signal, e.g. BER, SNR, water filling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0014Three-dimensional division
    • H04L5/0023Time-frequency-space
DE602004006817T 2003-11-12 2004-11-11 Vorrichtung und Verfahren zur Zuordnung von Unterträgern in einem MIMO OFDM-System Active DE602004006817T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030079941A KR100557158B1 (ko) 2003-11-12 2003-11-12 직교 주파수 분할 다중 방식을 사용하는 이동통신시스템에서 부반송파 할당을 위한 장치 및 방법
KR2003079941 2003-11-12

Publications (2)

Publication Number Publication Date
DE602004006817D1 true DE602004006817D1 (de) 2007-07-19
DE602004006817T2 DE602004006817T2 (de) 2008-01-31

Family

ID=34431761

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004006817T Active DE602004006817T2 (de) 2003-11-12 2004-11-11 Vorrichtung und Verfahren zur Zuordnung von Unterträgern in einem MIMO OFDM-System

Country Status (7)

Country Link
US (1) US7567625B2 (de)
EP (1) EP1531594B1 (de)
JP (1) JP4008917B2 (de)
KR (1) KR100557158B1 (de)
CN (1) CN1674572B (de)
AU (1) AU2004229029B2 (de)
DE (1) DE602004006817T2 (de)

Families Citing this family (101)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4130191B2 (ja) 2004-01-28 2008-08-06 三洋電機株式会社 送信装置
US7864659B2 (en) * 2004-08-02 2011-01-04 Interdigital Technology Corporation Quality control scheme for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems
KR100635011B1 (ko) * 2004-11-16 2006-10-16 한국전자통신연구원 부채널수 변화에 따른 이득값 조절이 가능한직교주파수분할다중접속 시스템의 송신장치 및 그장치에서의 데이터 송신방법
CN1790976A (zh) * 2004-12-17 2006-06-21 松下电器产业株式会社 用于多天线传输中的重传方法
JP4614977B2 (ja) * 2005-01-18 2011-01-19 富士通株式会社 Ofdm−cdma通信システムにおける送信方法および送信装置
US8135088B2 (en) * 2005-03-07 2012-03-13 Q1UALCOMM Incorporated Pilot transmission and channel estimation for a communication system utilizing frequency division multiplexing
FI20055211A0 (fi) * 2005-05-06 2005-05-06 Nokia Corp Radioresurssien hallinta FDMA järjestelmässä
GB2426420B (en) * 2005-05-19 2008-06-11 Toshiba Res Europ Ltd Orthogonal frequency division multiplexing transmitter
CN100431374C (zh) * 2005-06-28 2008-11-05 上海原动力通信科技有限公司 高速下行分组接入业务用户终端在多载波小区的工作方法
US7751510B2 (en) * 2005-07-26 2010-07-06 Qualcomm Incorporated Simplified channel and interference estimation with dedicated pilot tones for OFDMA
WO2007012751A1 (fr) 2005-07-29 2007-02-01 France Telecom Allocation de ressources radio pour reduire la puissance d ' emission d ' un terminal
EP1909518B1 (de) * 2005-08-22 2013-10-23 Harris Corporation Kommunikations-endgerätevorrichtung, basisstationsvorrichtung und verfahren zum melden der empfangsqualität
JP4664980B2 (ja) 2005-08-25 2011-04-06 富士通株式会社 移動端末及び基地局装置
JP4895557B2 (ja) * 2005-09-16 2012-03-14 パナソニック株式会社 マルチキャリア通信装置、及びマルチキャリア通信方法
US9955438B2 (en) * 2005-09-27 2018-04-24 Qualcomm Incorporated Method and apparatus for carrier allocation and management in multi-carrier communication systems
US9065596B2 (en) * 2005-09-30 2015-06-23 Mitsubishi Electric Corporation Wireless communication system and wireless communication method
CN100464542C (zh) * 2005-10-19 2009-02-25 东南大学 基于双载波的超宽带无线通信方法及其装置
KR100768510B1 (ko) * 2005-10-24 2007-10-18 한국전자통신연구원 다중안테나를 사용하는 직교 주파수 분할 다중 접속시스템의 전송 장치 및 그 방법
KR100726334B1 (ko) 2005-10-25 2007-06-11 인하대학교 산학협력단 Ofdma 시스템의 사용자간 전송효율 최대화를 고려한서브 채널 할당 장치 및 방법
DE102005051275A1 (de) * 2005-10-26 2007-05-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verfahren und Computerprogramm zum Senden eines Informationssignals, das mehrere Sendesignale aufweist
US7983295B2 (en) * 2005-10-28 2011-07-19 Broadcom Corporation Optimizing packet queues for channel bonding over a plurality of downstream channels of a communications management system
EP1950900A4 (de) * 2005-10-28 2010-01-20 Sharp Kk Sender, kommunikationssystem und übertragungsverfahren
EA018436B1 (ru) * 2005-10-31 2013-08-30 Шарп Кабусики Кайся Беспроводное передающее устройство
CN1968239A (zh) * 2005-11-17 2007-05-23 松下电器产业株式会社 用于多小区正交频分多址系统的载波分配方法
KR100788890B1 (ko) * 2005-12-07 2007-12-27 한국전자통신연구원 다중안테나를 사용하는 다중 반송파 시스템의 송신 장치 및 수신 장치
KR100846171B1 (ko) * 2005-12-10 2008-07-14 한국전자통신연구원 하향링크 ofdma 무선 통신을 위한 다중 안테나 변조장치 및 구현 방법
JP5311711B2 (ja) * 2005-12-22 2013-10-09 京セラ株式会社 通信制御システム、無線通信端末及び通信制御方法
US8064835B2 (en) * 2006-01-11 2011-11-22 Quantenna Communications, Inc. Antenna assignment system and method
JP4776634B2 (ja) * 2006-01-19 2011-09-21 パナソニック株式会社 無線送信装置及び無線送信方法
TW200738020A (en) * 2006-02-01 2007-10-01 Lg Electronics Inc A method of transmitting and receiving data using superpostion modulation in a wireless communication system
TWI440329B (zh) 2006-02-03 2014-06-01 Lg Electronics Inc 在一無線通訊系統基於回饋資訊傳輸至少一子封包的方法
US8045447B2 (en) 2006-02-09 2011-10-25 Altair Semiconductor Ltd. Low peak-to-average power ratio transmission in frequency-division multiple access systems
EP1993224B1 (de) * 2006-03-03 2019-07-24 NEC Corporation Kommunikationssystem mit mehreren eingängen und mehreren ausgängen, sender und betriebsmittelzuteilungsverfahren darin
WO2007106980A1 (en) * 2006-03-17 2007-09-27 Nortel Networks Limited Closed-loop mimo systems and methods
US10873375B2 (en) * 2006-03-20 2020-12-22 Texas Instruments Incorporated Pre-coder selection based on resource block grouping
US8131306B2 (en) * 2006-03-20 2012-03-06 Intel Corporation Wireless access network and method for allocating data subcarriers within a downlink subframe based on grouping of user stations
US8694016B2 (en) * 2006-04-14 2014-04-08 Qualcomm Incorporated Methods and apparatus for use of data object popularity measurements for improved quality of service perception in wireless broadcast systems
US7933344B2 (en) * 2006-04-25 2011-04-26 Mircosoft Corporation OFDMA based on cognitive radio
US8331342B2 (en) 2006-04-28 2012-12-11 Samsung Electronics Co., Ltd. Apparatus and method for switching between single user and multi-user MIMO operation in a wireless network
US8091012B2 (en) * 2006-05-04 2012-01-03 Quantenna Communications Inc. System and method for decreasing decoder complexity
TWI411255B (zh) * 2006-05-04 2013-10-01 Quantenna Communications Inc 多天線接收器系統及方法
CN101047429B (zh) * 2006-05-10 2010-10-27 华为技术有限公司 子载波组资源分配的方法
US8189621B2 (en) 2006-05-12 2012-05-29 Microsoft Corporation Stack signaling to application with lack of requested bandwidth
US7974360B2 (en) 2006-05-24 2011-07-05 Qualcomm Incorporated Multi input multi output (MIMO) orthogonal frequency division multiple access (OFDMA) communication system
CN101094215B (zh) * 2006-06-22 2010-09-29 中兴通讯股份有限公司 正交频分复用多址接入系统中的自适应子载波分配方法
KR100920387B1 (ko) * 2006-07-05 2009-10-07 삼성전자주식회사 적응적 안테나 시스템의 무선 자원 할당 장치 및 방법
US20090227261A1 (en) * 2006-07-07 2009-09-10 Nokia Corporation Radio resource allocation mechanism
EP2045942B1 (de) * 2006-07-20 2017-04-26 Sharp Kabushiki Kaisha Mehrträgersignalempfangsvorrichtung und mehrträgersignalsendevorrichtung
US7506011B2 (en) * 2006-07-26 2009-03-17 International Business Machines Corporation System and apparatus for optimally trading off the replication overhead and consistency level in distributed applications
US8259823B2 (en) * 2006-07-27 2012-09-04 Altair Semiconductor Ltd. Energy-efficient uplink slot allocation in time-frequency division multiple access systems
CN100576836C (zh) * 2006-09-15 2009-12-30 上海贝尔阿尔卡特股份有限公司 多入多出无线网络中对信号进行子载波映射的方法及装置
KR100878768B1 (ko) * 2006-09-15 2009-01-14 삼성전자주식회사 Mimo ofdm 송수신 방법 및 장치
KR100843310B1 (ko) * 2006-09-26 2008-07-03 인하대학교 산학협력단 Ofdma/tdd 셀룰러 시스템에서의 하향링크의 동적 자원 할당 방법
US8063839B2 (en) * 2006-10-17 2011-11-22 Quantenna Communications, Inc. Tunable antenna system
FI20065698A0 (fi) * 2006-11-06 2006-11-06 Nokia Corp Radioresurssien allokointi ja radiojärjestelmä
US8144793B2 (en) 2006-12-12 2012-03-27 Microsoft Corporation Cognitive multi-user OFDMA
WO2008089402A2 (en) * 2007-01-18 2008-07-24 Proximetry, Inc. System and method for incorporating dynamic orthogonal frequency-division multiplexing into wireless network protocols
EP2127435B1 (de) * 2007-01-26 2017-04-05 Alcatel-Lucent USA Inc. Vergabe von kanälen für echtzeit-verkehrsübertragung in einer drahtlosen paketdaten-mehrbenutzerumgebung
DE602007005974D1 (de) * 2007-03-02 2010-06-02 Ntt Docomo Inc Subkanalzuweisungsgerät für die Zuweisung von Subkanälen eines MIMO-Funkkanals
WO2008120315A1 (ja) * 2007-03-28 2008-10-09 Fujitsu Limited 送信装置並びにアレーアンテナ制御方法及び装置
US8059734B1 (en) * 2007-03-30 2011-11-15 Qualcomm Atheros, Inc. MIMO equalization for wireless communication systems
US7929623B2 (en) * 2007-03-30 2011-04-19 Microsoft Corporation FEC in cognitive multi-user OFDMA
CN101282151B (zh) * 2007-04-03 2012-10-10 中兴通讯股份有限公司 一种ofdma系统中利用mimo预编码码书进行时频资源动态分配的机制
US7970085B2 (en) * 2007-05-08 2011-06-28 Microsoft Corporation OFDM transmission and reception for non-OFDMA signals
JP5072711B2 (ja) * 2007-05-30 2012-11-14 日本放送協会 時空間トレリス符号化器
TWI355175B (en) 2007-05-31 2011-12-21 Ind Tech Res Inst Multicarrier transmitting system and method thereo
KR101368712B1 (ko) * 2007-07-19 2014-03-03 한국과학기술원 다중 안테나 시스템에서 송신 안테나 스케줄링 장치 및방법
JP5096058B2 (ja) * 2007-07-23 2012-12-12 京セラ株式会社 無線基地局及び無線通信方法
CN101785199B (zh) 2007-08-20 2013-05-01 日本电气株式会社 基站、移动台以及子载波的映射方法
WO2009054938A1 (en) * 2007-10-19 2009-04-30 Quantenna Communications, Inc. Mitigating interference in a coded communication system
EP2075927A1 (de) * 2007-12-21 2009-07-01 Thomson Licensing Verfahren zur Sendung von mindestens einem Datenpaket über verschiedene Antennen und entsprechendes Empfangsverfahren
GB2456547B (en) * 2008-01-17 2010-08-18 Toshiba Res Europ Ltd Wireless communications apparatus
US8374130B2 (en) 2008-01-25 2013-02-12 Microsoft Corporation Orthogonal frequency division multiple access with carrier sense
KR101580515B1 (ko) * 2008-03-11 2016-01-11 엘지전자 주식회사 Ofdm 시스템에서 부반송파 조절 방법
US8817818B2 (en) * 2008-04-23 2014-08-26 Texas Instruments Incorporated Backward compatible bandwidth extension
JP5160305B2 (ja) * 2008-05-28 2013-03-13 日本電信電話株式会社 空間・周波数分割多元接続装置および空間・周波数分割多元接続方法
US8165076B2 (en) * 2008-09-10 2012-04-24 Industrial Technology Research Institute Resource allocation method for multi-users multiple input multiple output orthogonal frequency division multiplexing system and apparaus thereof
US8204527B2 (en) * 2008-10-01 2012-06-19 Broadcom Corporation Subscriber station transceiver allocation of groups of subcarriers between a plurality of transceiver antennas
US8416802B2 (en) * 2008-12-17 2013-04-09 Cisco Technology, Inc. Segmented transmission for broadcast messages using multiple antennas
US8855087B2 (en) * 2008-12-18 2014-10-07 Microsoft Corporation Wireless access point supporting control by multiple applications
KR101478843B1 (ko) * 2009-01-22 2015-01-05 엘지전자 주식회사 협력적 다중 셀 무선통신 시스템에서 데이터를 송신하는 방법
US8457056B2 (en) * 2009-02-09 2013-06-04 Qualcomm Incorporated Non-scheduled grants in multi-carrier enhanced uplink
JP5519709B2 (ja) * 2009-02-24 2014-06-11 テレフオンアクチーボラゲット エル エム エリクソン(パブル) マルチキャリアシステムの処理遅延を割当てるための方法と装置
KR101711653B1 (ko) 2009-08-24 2017-03-13 한국전자통신연구원 고용량 무선 통신 시스템에서 통신 장치 및 방법
CN101827061A (zh) * 2010-03-26 2010-09-08 清华大学 正交频分复用系统下行链路子载波分配和峰均比抑制方法
US8565342B2 (en) * 2010-06-22 2013-10-22 Sony Corporation Power amplification apparatus, OFDM modulation apparatus, wireless transmission apparatus, and distortion reduction method for power amplification apparatus
US8396099B2 (en) * 2010-08-19 2013-03-12 Industrial Technology Research Institute Multi-carrier receiver, multi-carrier transmitter and multi-carrier transceiver system
US8626227B2 (en) * 2010-12-13 2014-01-07 Fujitsu Limited Method and system for power allocation in a transmission system
GB2491157B (en) 2011-05-24 2013-08-07 Toshiba Res Europ Ltd Method and apparatus for antenna selection in wireless communications systems
CN102958170B (zh) * 2011-08-30 2015-04-29 华为技术有限公司 一种上行干扰协调方法和基站
KR20130073360A (ko) * 2011-12-23 2013-07-03 한국전자통신연구원 다중 반송파 시스템의 데이터 처리 장치 및 그것의 데이터 처리 방법
KR101932197B1 (ko) 2012-07-03 2018-12-24 삼성전자주식회사 다중 안테나 통신 시스템에서의 안테나 개수 결정 방법 및 장치
US8868124B2 (en) * 2012-08-30 2014-10-21 Mediatek Singapore Pte. Ltd. Frequency domain equalizer for a beamformed system
CN102932289B (zh) * 2012-09-07 2015-07-15 重庆邮电大学 Ofdm系统中基于循环移位估计移位个数及信道响应的方法
US9755795B2 (en) 2013-12-18 2017-09-05 Huawei Technologies Co., Ltd. System and method for WLAN OFDMA design of subcarrier groups and frame format
US9936502B2 (en) 2013-12-18 2018-04-03 Huawei Technologies Co., Ltd. System and method for OFDMA resource management in WLAN
DE102014204673A1 (de) * 2014-03-13 2015-09-17 Hochschule Ruhr West Verfahren und System zur energieoptimierten Übertragung von Daten in einem leitungsgebundenen (multi carrier modulation - MCM) - Übertragungssystem
KR20160050488A (ko) * 2014-10-29 2016-05-11 한국전자통신연구원 신호 송신 방법 및 장치
RU187207U1 (ru) * 2018-04-09 2019-02-25 Общество с ограниченной ответственностью "Уралэнергосервис" Подшипник скольжения с кольцевой картерной смазкой
CN109379173B (zh) * 2018-12-28 2021-03-12 重庆世纪之光科技实业有限公司 Ofdma系统中基于逆信道功率的子载波分配方法和装置
CN109905920B (zh) * 2019-03-28 2021-03-09 南京航空航天大学 一种多无人机ofdm系统的载波与功率资源分配方法

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5719898A (en) * 1995-09-29 1998-02-17 Golden Bridge Technology, Inc. Fuzzy-logic spread-spectrum adaptive power control
CA2302289C (en) 1996-08-29 2005-11-08 Gregory G. Raleigh Spatio-temporal processing for communication
JP3670445B2 (ja) 1997-06-30 2005-07-13 株式会社東芝 無線通信システム
US6131016A (en) * 1997-08-27 2000-10-10 At&T Corp Method and apparatus for enhancing communication reception at a wireless communication terminal
JP3515690B2 (ja) * 1998-06-02 2004-04-05 松下電器産業株式会社 Ofdma信号伝送装置及び方法
US7039120B1 (en) * 1998-11-30 2006-05-02 Canon Kabushiki Kaisha Device and method for the dynamic allocation of frequencies for multicarrier modulation systems
DE19857821A1 (de) * 1998-12-15 2000-06-29 Siemens Ag Verfahren und Kommunikationsanordnung zur Übermittlung von Informationen mit Hilfe eines Multiträgerverfahrens
JP3826653B2 (ja) 2000-02-25 2006-09-27 Kddi株式会社 無線通信システムのサブキャリア割当方法
ATE349844T1 (de) * 2000-07-05 2007-01-15 Sony Deutschland Gmbh Kanalschätzer für ein ofdm system
US6834043B1 (en) * 2000-07-24 2004-12-21 Motorola, Inc. Method and device for exploiting transmit diversity in time varying wireless communication systems
CA2431849C (en) 2000-12-15 2013-07-30 Broadstrom Telecommunications, Inc. Multi-carrier communications with group-based subcarrier allocation
US6947748B2 (en) 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
US6961388B2 (en) 2001-02-01 2005-11-01 Qualcomm, Incorporated Coding scheme for a wireless communication system
US6891880B2 (en) * 2001-05-18 2005-05-10 Global Locate, Inc. Method and apparatus for performing signal correlation
US6751444B1 (en) * 2001-07-02 2004-06-15 Broadstorm Telecommunications, Inc. Method and apparatus for adaptive carrier allocation and power control in multi-carrier communication systems
JP3607643B2 (ja) * 2001-07-13 2005-01-05 松下電器産業株式会社 マルチキャリア送信装置、マルチキャリア受信装置、およびマルチキャリア無線通信方法
JP3727283B2 (ja) * 2001-11-26 2005-12-14 松下電器産業株式会社 無線送信装置、無線受信装置及び無線送信方法
US7058134B2 (en) * 2001-12-17 2006-06-06 Intel Corporation System and method for multiple signal carrier time domain channel estimation
US7020110B2 (en) * 2002-01-08 2006-03-28 Qualcomm Incorporated Resource allocation for MIMO-OFDM communication systems
US7295626B2 (en) * 2002-03-08 2007-11-13 Alvarion Ltd. Orthogonal division multiple access technique incorporating single carrier and OFDM signals
US7613248B2 (en) * 2002-06-24 2009-11-03 Qualcomm Incorporated Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems
KR100552669B1 (ko) * 2002-12-26 2006-02-20 한국전자통신연구원 층적 공간-시간 구조의 검파기를 갖는 다중 입출력시스템에 적용되는 적응 변복조 장치 및 그 방법
US7916803B2 (en) * 2003-04-10 2011-03-29 Qualcomm Incorporated Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices
US7286609B2 (en) * 2003-08-08 2007-10-23 Intel Corporation Adaptive multicarrier wireless communication system, apparatus and associated methods
US20050047517A1 (en) * 2003-09-03 2005-03-03 Georgios Giannakis B. Adaptive modulation for multi-antenna transmissions with partial channel knowledge
US7242722B2 (en) * 2003-10-17 2007-07-10 Motorola, Inc. Method and apparatus for transmission and reception within an OFDM communication system
ATE368977T1 (de) * 2003-10-21 2007-08-15 Alcatel Lucent Verfahren zur zuordnung der unterträger und zur auswahl des modulationsschemas in einem drahtlosen mehrträgerübertragungssystem
KR20050040055A (ko) * 2003-10-27 2005-05-03 삼성전자주식회사 직교 주파수 분할 다중 통신 시스템에서 톤 위치를결정하기 위한 장치 및 방법
US7333556B2 (en) * 2004-01-12 2008-02-19 Intel Corporation System and method for selecting data rates to provide uniform bit loading of subcarriers of a multicarrier communication channel
US7570953B2 (en) * 2004-01-12 2009-08-04 Intel Corporation Multicarrier communication system and methods for link adaptation using uniform bit loading and subcarrier puncturing
US7697618B2 (en) * 2004-06-09 2010-04-13 Alcatel-Lucent Usa Inc. Multiplexing scheme for an orthogonal frequency division multiplexing system
US7724777B2 (en) * 2004-06-18 2010-05-25 Qualcomm Incorporated Quasi-orthogonal multiplexing for a multi-carrier communication system
US7298787B2 (en) * 2004-06-25 2007-11-20 Nokia Corporation System, and associated method, for facilitating broadband multi-carrier transmission
JP4415777B2 (ja) * 2004-07-07 2010-02-17 株式会社日立製作所 マルチキャリア通信における適応変調方法
CN1797987B (zh) * 2004-12-30 2011-02-16 都科摩(北京)通信技术研究中心有限公司 自适应调度的mimo通信系统及其自适应用户调度方法

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US20050099937A1 (en) 2005-05-12
JP2005151567A (ja) 2005-06-09
CN1674572A (zh) 2005-09-28
CN1674572B (zh) 2010-12-01
EP1531594B1 (de) 2007-06-06
AU2004229029B2 (en) 2007-03-08
US7567625B2 (en) 2009-07-28
JP4008917B2 (ja) 2007-11-14
EP1531594A1 (de) 2005-05-18

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