NO20024507D0 - Flerb¶rermodulasjon i et höyeffektivt og höy-ytelses sambandssystem - Google Patents

Flerb¶rermodulasjon i et höyeffektivt og höy-ytelses sambandssystem

Info

Publication number
NO20024507D0
NO20024507D0 NO20024507A NO20024507A NO20024507D0 NO 20024507 D0 NO20024507 D0 NO 20024507D0 NO 20024507 A NO20024507 A NO 20024507A NO 20024507 A NO20024507 A NO 20024507A NO 20024507 D0 NO20024507 D0 NO 20024507D0
Authority
NO
Norway
Prior art keywords
efficiency
connection system
carrier modulation
performance connection
performance
Prior art date
Application number
NO20024507A
Other languages
English (en)
Norwegian (no)
Inventor
Jay R Walton
Mark S Wallace
Ahmad Jalali
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
Publication of NO20024507D0 publication Critical patent/NO20024507D0/no

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
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/204—Multiple access
    • 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
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • 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
    • H04B7/12—Frequency diversity
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
    • H04L25/0248—Eigen-space methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • 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
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Amplitude Modulation (AREA)
NO20024507A 2000-03-22 2002-09-20 Flerb¶rermodulasjon i et höyeffektivt og höy-ytelses sambandssystem NO20024507D0 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/532,492 US20020154705A1 (en) 2000-03-22 2000-03-22 High efficiency high performance communications system employing multi-carrier modulation
PCT/US2001/009179 WO2001071928A2 (fr) 2000-03-22 2001-03-20 Systeme de communications a hautes performances mettant en oeuvre une modulation a ondes porteuses multiples

Publications (1)

Publication Number Publication Date
NO20024507D0 true NO20024507D0 (no) 2002-09-20

Family

ID=24122043

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20024507A NO20024507D0 (no) 2000-03-22 2002-09-20 Flerb¶rermodulasjon i et höyeffektivt og höy-ytelses sambandssystem

Country Status (9)

Country Link
US (1) US20020154705A1 (fr)
JP (1) JP2003528527A (fr)
KR (1) KR20030036145A (fr)
AU (1) AU2001249344A1 (fr)
BR (1) BR0109422A (fr)
CA (1) CA2402011A1 (fr)
NO (1) NO20024507D0 (fr)
TW (1) TW533682B (fr)
WO (1) WO2001071928A2 (fr)

Families Citing this family (238)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6169789B1 (en) 1996-12-16 2001-01-02 Sanjay K. Rao Intelligent keyboard system
US6952454B1 (en) 2000-03-22 2005-10-04 Qualcomm, Incorporated Multiplexing of real time services and non-real time services for OFDM systems
EP1148659B1 (fr) * 2000-04-18 2005-07-27 Sony International (Europe) GmbH Transmission OFDM en diversité
EP1162755B1 (fr) * 2000-06-06 2006-05-17 Lucent Technologies Inc. Filtre apparié au code pour un récepteur radio à AMDC avec diversité
US8363744B2 (en) * 2001-06-10 2013-01-29 Aloft Media, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
BRPI0112403B1 (pt) * 2000-07-12 2018-09-18 Qualcomm Inc multiplexação de serviços em tempo real e serviços em tempo não real para sistemas ofdm
EP2755344B1 (fr) * 2000-08-24 2018-07-25 Sony Deutschland Gmbh Dispositif de communication pour la transmission de signaux OFDM dans un système de communications sans fil
US8339935B2 (en) * 2000-09-01 2012-12-25 Apple Inc. Adaptive time diversity and spatial diversity for OFDM
US6937592B1 (en) * 2000-09-01 2005-08-30 Intel Corporation Wireless communications system that supports multiple modes of operation
US6985434B2 (en) * 2000-09-01 2006-01-10 Nortel Networks Limited Adaptive time diversity and spatial diversity for OFDM
US7342875B2 (en) * 2000-11-06 2008-03-11 The Directv Group, Inc. Space-time coded OFDM system for MMDS applications
US6947748B2 (en) 2000-12-15 2005-09-20 Adaptix, Inc. OFDMA with adaptive subcarrier-cluster configuration and selective loading
EP1220477A1 (fr) * 2000-12-28 2002-07-03 Koninklijke Philips Electronics N.V. Procédé et appareil pour relayer des données dans un système de télécommunication
US7050510B2 (en) * 2000-12-29 2006-05-23 Lucent Technologies Inc. Open-loop diversity technique for systems employing four transmitter antennas
US6801790B2 (en) * 2001-01-17 2004-10-05 Lucent Technologies Inc. Structure for multiple antenna configurations
US7116722B2 (en) * 2001-02-09 2006-10-03 Lucent Technologies Inc. Wireless communication system using multi-element antenna having a space-time architecture
US7006483B2 (en) * 2001-02-23 2006-02-28 Ipr Licensing, Inc. Qualifying available reverse link coding rates from access channel power setting
US6771706B2 (en) 2001-03-23 2004-08-03 Qualcomm Incorporated Method and apparatus for utilizing channel state information in a wireless communication system
KR100781969B1 (ko) * 2001-03-26 2007-12-06 삼성전자주식회사 직교 주파수 분할 다중 접속에 기반한 데이타 통신 장치및 방법
US7092450B1 (en) * 2001-04-09 2006-08-15 At&T Corp. Frequency-domain method for joint equalization and decoding of space-time block codes
US7379508B1 (en) * 2001-04-09 2008-05-27 At&T Corp. Frequency-domain method for joint equalization and decoding of space-time block codes
US7706458B2 (en) * 2001-04-24 2010-04-27 Mody Apurva N Time and frequency synchronization in Multi-Input, Multi-Output (MIMO) systems
US7310304B2 (en) * 2001-04-24 2007-12-18 Bae Systems Information And Electronic Systems Integration Inc. Estimating channel parameters in multi-input, multi-output (MIMO) systems
US7088782B2 (en) * 2001-04-24 2006-08-08 Georgia Tech Research Corporation Time and frequency synchronization in multi-input, multi-output (MIMO) systems
US8005035B2 (en) 2001-04-27 2011-08-23 The Directv Group, Inc. Online output multiplexer filter measurement
US7209524B2 (en) * 2001-04-27 2007-04-24 The Directv Group, Inc. Layered modulation for digital signals
US7583728B2 (en) 2002-10-25 2009-09-01 The Directv Group, Inc. Equalizers for layered modulated and other signals
US7042856B2 (en) * 2001-05-03 2006-05-09 Qualcomm, Incorporation Method and apparatus for controlling uplink transmissions of a wireless communication system
JP2002344415A (ja) * 2001-05-14 2002-11-29 Matsushita Electric Ind Co Ltd マルチキャリア通信方法及びマルチキャリア通信装置
US7313193B2 (en) * 2001-05-15 2007-12-25 Qualcomm Incorporated Multi–tone signal transmission methods and apparatus
US6662024B2 (en) 2001-05-16 2003-12-09 Qualcomm Incorporated Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system
US7688899B2 (en) * 2001-05-17 2010-03-30 Qualcomm Incorporated Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
US7072413B2 (en) 2001-05-17 2006-07-04 Qualcomm, Incorporated Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
FR2825856B1 (fr) * 2001-06-06 2003-09-12 Nortel Networks Ltd Procede et dispositif de traitement de signal dans un recepteur de radiocommunication a etalement de spectre
US7031754B2 (en) * 2001-06-11 2006-04-18 Kathrein-Werke Kg Shapable antenna beams for cellular networks
US7440509B2 (en) * 2001-06-21 2008-10-21 Motorola, Inc. Method and system for interference averaging in a wireless communication system
US7027523B2 (en) * 2001-06-22 2006-04-11 Qualcomm Incorporated Method and apparatus for transmitting data in a time division duplexed (TDD) communication system
ATE356474T1 (de) * 2001-06-27 2007-03-15 Koninkl Philips Electronics Nv Frequenzverschiebungdiversitätsempfänger
US8116260B1 (en) * 2001-08-22 2012-02-14 At&T Intellectual Property Ii, L.P. Simulcasting MIMO communication system
US7277679B1 (en) * 2001-09-28 2007-10-02 Arraycomm, Llc Method and apparatus to provide multiple-mode spatial processing to a terminal unit
US20030066004A1 (en) * 2001-09-28 2003-04-03 Rudrapatna Ashok N. Harq techniques for multiple antenna systems
US7548506B2 (en) * 2001-10-17 2009-06-16 Nortel Networks Limited System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design
US7158494B2 (en) * 2001-10-22 2007-01-02 Matsushita Electric Industrial Co., Ltd. Multi-mode communications transmitter
US7218684B2 (en) 2001-11-02 2007-05-15 Interdigital Technology Corporation Method and system for code reuse and capacity enhancement using null steering
US20030125040A1 (en) 2001-11-06 2003-07-03 Walton Jay R. Multiple-access multiple-input multiple-output (MIMO) communication system
US7012883B2 (en) * 2001-11-21 2006-03-14 Qualcomm Incorporated Rate selection for an OFDM system
CN100403596C (zh) * 2001-11-29 2008-07-16 美商内数位科技公司 用于多路径衰减信道的有效多输入多输出系统
US6754169B2 (en) * 2001-12-13 2004-06-22 Motorola, Inc. Method and system of operation for a variable transmission mode multi-carrier communication system
EP1458203A4 (fr) 2001-12-21 2005-08-03 Mitsubishi Electric Corp Systeme de radiocommunications et emetteur correspondant
US7020110B2 (en) * 2002-01-08 2006-03-28 Qualcomm Incorporated Resource allocation for MIMO-OFDM communication systems
US7079809B1 (en) * 2002-02-07 2006-07-18 Kathrein-Werke Kg Systems and methods for providing improved wireless signal quality using diverse antenna beams
US7715466B1 (en) * 2002-02-27 2010-05-11 Sprint Spectrum L.P. Interference cancellation system and method for wireless antenna configuration
US7042858B1 (en) * 2002-03-22 2006-05-09 Jianglei Ma Soft handoff for OFDM
JP2003309533A (ja) * 2002-04-17 2003-10-31 Matsushita Electric Ind Co Ltd 無線送信装置、無線受信装置及びその方法
GB0212165D0 (en) * 2002-05-27 2002-07-03 Nokia Corp A wireless system
US7200178B2 (en) * 2002-06-12 2007-04-03 Texas Instruments Incorporated Methods for optimizing time variant communication channels
KR100548312B1 (ko) * 2002-06-20 2006-02-02 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 신호 처리 방법
US7095709B2 (en) 2002-06-24 2006-08-22 Qualcomm, Incorporated Diversity transmission modes for MIMO OFDM communication systems
US7359313B2 (en) * 2002-06-24 2008-04-15 Agere Systems Inc. Space-time bit-interleaved coded modulation for wideband transmission
EP1529347B1 (fr) 2002-07-03 2016-08-24 The Directv Group, Inc. Procédé et appareil de modulation en couches
JP3677492B2 (ja) 2002-07-31 2005-08-03 松下電器産業株式会社 マルチキャリア送信装置およびマルチキャリア送信方法
DE60325921D1 (de) * 2002-08-22 2009-03-12 Imec Inter Uni Micro Electr Verfahren zur MIMO-Übertragung für mehrere Benutzer und entsprechende Vorrichtungen
US7366200B2 (en) * 2002-08-26 2008-04-29 Qualcomm Incorporated Beacon signaling in a wireless system
US6985498B2 (en) * 2002-08-26 2006-01-10 Flarion Technologies, Inc. Beacon signaling in a wireless system
US7133354B2 (en) * 2002-08-26 2006-11-07 Qualcomm Incorporated Synchronization techniques for a wireless system
US7388845B2 (en) * 2002-08-26 2008-06-17 Qualcomm Incorporated Multiple access wireless communications system using a multisector configuration
US6940917B2 (en) * 2002-08-27 2005-09-06 Qualcomm, Incorporated Beam-steering and beam-forming for wideband MIMO/MISO systems
US8194770B2 (en) 2002-08-27 2012-06-05 Qualcomm Incorporated Coded MIMO systems with selective channel inversion applied per eigenmode
US7031669B2 (en) * 2002-09-10 2006-04-18 Cognio, Inc. Techniques for correcting for phase and amplitude offsets in a MIMO radio device
US7391755B2 (en) 2002-09-30 2008-06-24 Lucent Technologies Inc. Signaling and control mechanisms in MIMO harq schemes for wireless communication systems
US7889819B2 (en) * 2002-10-04 2011-02-15 Apurva Mody Methods and systems for sampling frequency offset detection, correction and control for MIMO OFDM systems
US7986742B2 (en) 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8570988B2 (en) 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
UA86191C2 (uk) * 2002-10-25 2009-04-10 Квелкомм Инкорпорейтед Калібрування каналу для комунікаційної системи з дуплексним зв'язком та часовим розділенням каналу
US8208364B2 (en) 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US8218609B2 (en) 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US7151809B2 (en) 2002-10-25 2006-12-19 Qualcomm, Incorporated Channel estimation and spatial processing for TDD MIMO systems
US7002900B2 (en) 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US7324429B2 (en) * 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
EP1563620B1 (fr) * 2002-10-25 2012-12-05 The Directv Group, Inc. Processeur de signal de modulation en couche de complexité reduite
US8170513B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US7039001B2 (en) * 2002-10-29 2006-05-02 Qualcomm, Incorporated Channel estimation for OFDM communication systems
US7042857B2 (en) 2002-10-29 2006-05-09 Qualcom, Incorporated Uplink pilot and signaling transmission in wireless communication systems
KR100518434B1 (ko) * 2002-11-05 2005-09-29 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 하향 제어신호전송방법
JP4197482B2 (ja) * 2002-11-13 2008-12-17 パナソニック株式会社 基地局の送信方法、基地局の送信装置及び通信端末
KR100551858B1 (ko) * 2002-12-04 2006-02-13 엘지전자 주식회사 다중 입출력 이동 통신 시스템에서의 데이터 신호송수신방법
US7280625B2 (en) * 2002-12-11 2007-10-09 Qualcomm Incorporated Derivation of eigenvectors for spatial processing in MIMO communication systems
US7724639B1 (en) * 2002-12-12 2010-05-25 Entropic Communications, Inc. Method of bit allocation in a multicarrier symbol to achieve non-periodic frequency diversity
US7154960B2 (en) * 2002-12-31 2006-12-26 Lucent Technologies Inc. Method of determining the capacity of each transmitter antenna in a multiple input/multiple output (MIMO) wireless system
US20040176097A1 (en) * 2003-02-06 2004-09-09 Fiona Wilson Allocation of sub channels of MIMO channels of a wireless network
US7095790B2 (en) * 2003-02-25 2006-08-22 Qualcomm, Incorporated Transmission schemes for multi-antenna communication systems utilizing multi-carrier modulation
JP2004266586A (ja) 2003-03-03 2004-09-24 Hitachi Ltd 移動通信システムのデータ送受信方法
US7885228B2 (en) 2003-03-20 2011-02-08 Qualcomm Incorporated Transmission mode selection for data transmission in a multi-channel communication system
KR100922980B1 (ko) 2003-05-02 2009-10-22 삼성전자주식회사 다중 안테나를 사용하는 직교주파수분할다중 시스템에서 채널 추정 장치 및 방법
EP1635518B1 (fr) 2003-06-18 2019-07-31 Nippon Telegraph And Telephone Corporation Procede de communication de paquets sans fil
JP4128197B2 (ja) 2003-06-30 2008-07-30 富士通株式会社 多入力多出力伝送システム
CN1809980B (zh) * 2003-06-30 2010-12-15 松下电器产业株式会社 发送方法、发送装置及通信系统
US7565114B2 (en) * 2003-07-16 2009-07-21 Nec Corporation Transmitter apparatus, receiver apparatus, and radio communication system
US7394858B2 (en) * 2003-08-08 2008-07-01 Intel Corporation Systems and methods for adaptive bit loading in a multiple antenna orthogonal frequency division multiplexed communication system
US7321614B2 (en) * 2003-08-08 2008-01-22 Intel Corporation Apparatus and methods for communicating using symbol-modulated subcarriers
US8824582B2 (en) 2003-08-08 2014-09-02 Intel Corporation Base station and method for channel coding and link adaptation
US7065144B2 (en) 2003-08-27 2006-06-20 Qualcomm Incorporated Frequency-independent spatial processing for wideband MISO and MIMO systems
US8599764B2 (en) * 2003-09-02 2013-12-03 Qualcomm Incorporated Transmission of overhead information for reception of multiple data streams
US8477809B2 (en) 2003-09-02 2013-07-02 Qualcomm Incorporated Systems and methods for generalized slot-to-interlace mapping
US8509051B2 (en) 2003-09-02 2013-08-13 Qualcomm Incorporated Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
US7221680B2 (en) * 2003-09-02 2007-05-22 Qualcomm Incorporated Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
US7769097B2 (en) 2003-09-15 2010-08-03 Intel Corporation Methods and apparatus to control transmission of a multicarrier wireless communication channel through multiple antennas
US7724838B2 (en) * 2003-09-25 2010-05-25 Qualcomm Incorporated Hierarchical coding with multiple antennas in a wireless communication system
US8233462B2 (en) 2003-10-15 2012-07-31 Qualcomm Incorporated High speed media access control and direct link protocol
US8842657B2 (en) 2003-10-15 2014-09-23 Qualcomm Incorporated High speed media access control with legacy system interoperability
US8462817B2 (en) 2003-10-15 2013-06-11 Qualcomm Incorporated Method, apparatus, and system for multiplexing protocol data units
US8284752B2 (en) 2003-10-15 2012-10-09 Qualcomm Incorporated Method, apparatus, and system for medium access control
US8472473B2 (en) 2003-10-15 2013-06-25 Qualcomm Incorporated Wireless LAN protocol stack
US8483105B2 (en) 2003-10-15 2013-07-09 Qualcomm Incorporated High speed media access control
US9226308B2 (en) 2003-10-15 2015-12-29 Qualcomm Incorporated Method, apparatus, and system for medium access control
CA2543771C (fr) * 2003-10-24 2010-04-20 Qualcomm Incorporated Multiplexage en frequences de flux multiples de donnees dans un systeme sans fil de communication a plusieurs porteuses
US8526412B2 (en) * 2003-10-24 2013-09-03 Qualcomm Incorporated Frequency division multiplexing of multiple data streams in a wireless multi-carrier communication system
US7616698B2 (en) 2003-11-04 2009-11-10 Atheros Communications, Inc. Multiple-input multiple output system and method
US7620028B2 (en) * 2003-11-06 2009-11-17 Atheros Communications, Inc. Multi-channel binding in data transmission
FI20031668A0 (fi) * 2003-11-17 2003-11-17 Nokia Corp Siirtomenetelmä ja lähetin
US7746800B2 (en) * 2003-11-21 2010-06-29 Nokia Corporation Flexible rate split method for MIMO transmission
US9473269B2 (en) 2003-12-01 2016-10-18 Qualcomm Incorporated Method and apparatus for providing an efficient control channel structure in a wireless communication system
US8027417B2 (en) 2003-12-19 2011-09-27 Nortel Networks Limited Interference-weighted communication signal processing systems and methods
US7450489B2 (en) * 2003-12-30 2008-11-11 Intel Corporation Multiple-antenna communication systems and methods for communicating in wireless local area networks that include single-antenna communication devices
JP4043442B2 (ja) 2004-01-09 2008-02-06 株式会社東芝 無線送信装置、無線受信装置、無線送信方法及び無線受信方法、無線通信システム
US8611283B2 (en) 2004-01-28 2013-12-17 Qualcomm Incorporated Method and apparatus of using a single channel to provide acknowledgement and assignment messages
WO2005081439A1 (fr) 2004-02-13 2005-09-01 Neocific, Inc. Procedes et dispositif pour des systemes de communication a porteuses multiples comportant une transmission et une retroaction adaptatives
KR100818774B1 (ko) 2004-01-29 2008-04-03 포스데이타 주식회사 광대역 무선 통신 시스템에서 다중-반송파 및 직접 시퀀스확산 스펙트럼 신호를 중첩시키는 방법 및 장치
US7818018B2 (en) 2004-01-29 2010-10-19 Qualcomm Incorporated Distributed hierarchical scheduling in an AD hoc network
US8903440B2 (en) 2004-01-29 2014-12-02 Qualcomm Incorporated Distributed hierarchical scheduling in an ad hoc network
JP3923050B2 (ja) * 2004-01-30 2007-05-30 松下電器産業株式会社 送受信装置および送受信方法
WO2005076758A2 (fr) 2004-02-11 2005-08-25 Lg Electronics Inc. Procede et systeme d'emission et de reception de trains de donnees
KR101012369B1 (ko) * 2004-02-12 2011-02-09 엘지전자 주식회사 다수의 안테나를 이용한 데이터 송신 및 수신 방법
US20050208949A1 (en) * 2004-02-12 2005-09-22 Chiueh Tzi-Cker Centralized channel assignment and routing algorithms for multi-channel wireless mesh networks
GB2411328B (en) * 2004-02-23 2007-05-16 Toshiba Res Europ Ltd Adaptive MIMO systems
ES2708305T3 (es) * 2004-03-09 2019-04-09 Optis Wireless Technology Llc Procedimiento de acceso aleatorio y dispositivo terminal de radiocomunicación
CN100592648C (zh) 2004-03-09 2010-02-24 桥扬科技有限公司 用于多载波通信系统中的随机接入的方法和装置
US8315271B2 (en) 2004-03-26 2012-11-20 Qualcomm Incorporated Method and apparatus for an ad-hoc wireless communications system
US7983142B2 (en) 2004-03-30 2011-07-19 Intel Corporation Apparatus, systems, and methods for the reception and synchronization of asynchronous signals
ES2293180T3 (es) * 2004-04-22 2008-03-16 France Telecom Emision para sistemas de comunicaciones cdma sobre canal mimo.
US7564814B2 (en) 2004-05-07 2009-07-21 Qualcomm, Incorporated Transmission mode and rate selection for a wireless communication system
US8233555B2 (en) 2004-05-17 2012-07-31 Qualcomm Incorporated Time varying delay diversity of OFDM
US8401018B2 (en) 2004-06-02 2013-03-19 Qualcomm Incorporated Method and apparatus for scheduling in a wireless network
JP2008502267A (ja) * 2004-06-10 2008-01-24 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 少なくとも２つのチャネルを介して同時に信号を送信する方法
KR20050118031A (ko) * 2004-06-12 2005-12-15 삼성전자주식회사 순환지연 다이버시티를 이용하여 방송 채널을 효율적으로전송하는 장치 및 방법
US9525977B2 (en) * 2004-06-15 2016-12-20 Texas Instruments Incorporated Broadcast multicast mode
US20050288062A1 (en) * 2004-06-23 2005-12-29 Hammerschmidt Joachim S Method and apparatus for selecting a transmission mode based upon packet size in a multiple antenna communication system
KR100891783B1 (ko) * 2004-06-25 2009-04-07 삼성전자주식회사 직교 주파수 다중 접속 방식의 무선 통신 시스템에서 방송 서비스 송신 및 수신 방법
US7751305B2 (en) * 2004-06-25 2010-07-06 Samsung Electronics Co., Ltd. Method for transmitting and receiving broadcast service data in an OFDMA wireless communication system
US7548592B2 (en) * 2004-07-02 2009-06-16 James Stuart Wight Multiple input, multiple output communications systems
US7738595B2 (en) * 2004-07-02 2010-06-15 James Stuart Wight Multiple input, multiple output communications systems
US7619964B2 (en) * 2004-07-08 2009-11-17 Nokia Corporation High doppler channel estimation for OFD multiple antenna systems
KR20060006542A (ko) * 2004-07-16 2006-01-19 삼성전자주식회사 Ｏｆｄｍ기반의 무선랜 시스템을 위한 ｍｉｍｏ 전송장치및 전송방식
US8891349B2 (en) 2004-07-23 2014-11-18 Qualcomm Incorporated Method of optimizing portions of a frame
US7499393B2 (en) * 2004-08-11 2009-03-03 Interdigital Technology Corporation Per stream rate control (PSRC) for improving system efficiency in OFDM-MIMO communication systems
CN101027863B (zh) * 2004-09-27 2012-06-27 夏普株式会社 无线发送装置
US7715845B2 (en) 2004-10-14 2010-05-11 Qualcomm Incorporated Tone hopping methods and apparatus
US7379446B2 (en) * 2004-10-14 2008-05-27 Qualcomm Incorporated Enhanced beacon signaling method and apparatus
US7813330B2 (en) * 2004-12-03 2010-10-12 Samsung Electronics Co., Ltd Gap filler apparatus and method for providing cyclic delay diversity in a digital multimedia broadcasting system, and broadcasting relay network using the same
US8831115B2 (en) 2004-12-22 2014-09-09 Qualcomm Incorporated MC-CDMA multiplexing in an orthogonal uplink
US8571132B2 (en) 2004-12-22 2013-10-29 Qualcomm Incorporated Constrained hopping in wireless communication systems
JP4526944B2 (ja) * 2004-12-28 2010-08-18 パナソニック株式会社 マルチアンテナ通信装置および多重方式決定方法
WO2007069071A2 (fr) * 2005-01-14 2007-06-21 Piping Hot Networks Limited Donnees utiles doubles et modulation adaptative
US8780957B2 (en) 2005-01-14 2014-07-15 Qualcomm Incorporated Optimal weights for MMSE space-time equalizer of multicode CDMA system
US7525988B2 (en) 2005-01-17 2009-04-28 Broadcom Corporation Method and system for rate selection algorithm to maximize throughput in closed loop multiple input multiple output (MIMO) wireless local area network (WLAN) system
JP4494238B2 (ja) * 2005-02-03 2010-06-30 株式会社エヌ・ティ・ティ・ドコモ Ｍｉｍｏ多重送信装置およびｍｉｍｏ多重送信方法
TW200704200A (en) 2005-03-10 2007-01-16 Qualcomm Inc Content classification for multimedia processing
US8467297B2 (en) 2005-03-10 2013-06-18 Thomson Licensing Hybrid mesh routing protocol
US8320499B2 (en) 2005-03-18 2012-11-27 Qualcomm Incorporated Dynamic space-time coding for a communication system
WO2006102745A1 (fr) 2005-03-30 2006-10-05 Nortel Networks Limited Procedes et systemes de combinaison de multiplexage frequentiel optique et de multiplexage frequentiel optique transforme
EP1867084B1 (fr) 2005-03-30 2017-11-01 Apple Inc. Systemes et procedes de repartition des canaux pour mrof
JP4463723B2 (ja) 2005-04-28 2010-05-19 株式会社エヌ・ティ・ティ・ドコモ 送信機及び送信方法
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
CN101223750B (zh) * 2005-05-27 2012-05-16 诺基亚公司 在多发送信道系统中向信道分配子信道
US7630350B2 (en) * 2005-06-06 2009-12-08 Broadcom Corporation Method and system for parsing bits in an interleaver for adaptive modulations in a multiple input multiple output (MIMO) wireless local area network (WLAN) system
US7630732B2 (en) * 2005-06-14 2009-12-08 Interdigital Technology Corporation Method and apparatus for generating feedback information for transmit power control in a multiple-input multiple-output wireless communication system
US8358714B2 (en) 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
US7257376B2 (en) 2005-06-30 2007-08-14 Adaptix, Inc. Systems and methods for making channel assignments to reduce interference and increase capacity of wireless networks
JP4671790B2 (ja) * 2005-07-07 2011-04-20 パナソニック株式会社 通信装置、基地局装置及び通信方法
CN1913508B (zh) * 2005-08-08 2010-05-05 华为技术有限公司 基于正交频分复用的信号调制方法及其调制装置
US7855993B2 (en) * 2005-08-23 2010-12-21 Agere Systems Inc. Method and apparatus for reducing power fluctuations during preamble training in a multiple antenna communication system using cyclic delays
KR101276797B1 (ko) * 2005-08-24 2013-06-20 한국전자통신연구원 이동 통신 시스템에서의 송신 다이버시티 방법 및 기지국송신기
EP2790331B1 (fr) 2005-08-24 2019-01-09 Wi-Fi One, LLC Dispositif de transmission MIMO-OFDM et méthode de transmission MIMO-OFDM
US8600336B2 (en) 2005-09-12 2013-12-03 Qualcomm Incorporated Scheduling with reverse direction grant in wireless communication systems
US9113147B2 (en) 2005-09-27 2015-08-18 Qualcomm Incorporated Scalability techniques based on content information
US20070081448A1 (en) * 2005-10-06 2007-04-12 Mansoor Ahmed Partially coherent transmission for a multi-carrier communication system
US8654848B2 (en) 2005-10-17 2014-02-18 Qualcomm Incorporated Method and apparatus for shot detection in video streaming
US8948260B2 (en) 2005-10-17 2015-02-03 Qualcomm Incorporated Adaptive GOP structure in video streaming
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
US7729432B2 (en) * 2005-10-28 2010-06-01 Samsung Electronics Co., Ltd. System and method for enhancing the performance of wireless communication systems
BRPI0618243A2 (pt) 2005-11-04 2011-08-23 Matsushita Electric Ind Co Ltd aparelho de transmissão por rádio, aparelho de recepção de rádio, método de comunicação sem fio e sistema de comunicação sem fio
KR100810271B1 (ko) * 2005-11-22 2008-03-07 삼성전자주식회사 통신 시스템에서 신호 송수신 장치 및 방법
WO2007073116A1 (fr) * 2005-12-22 2007-06-28 Electronics And Telecommunications Research Institute Procede de demodulation de canal de diffusion en utilisant le canal de synchronisation au niveau d'un systeme ofdm avec diversite d'emission et dispositif d'emission/reception a cet effet
KR20070108316A (ko) * 2005-12-22 2007-11-09 한국전자통신연구원 Ｏｆｄｍ 셀룰라 시스템에서 동기채널 및 ｂｃｈ 를 위한송신 다이버시티 방법
WO2007108885A2 (fr) 2006-02-28 2007-09-27 Rotani, Inc. Procedes et appareil pour le chevauchement de secteurs physiques d'une antenne mimo
JP2007274048A (ja) * 2006-03-30 2007-10-18 Fujitsu Ltd 無線通信装置及び無線ユニット
US9131164B2 (en) 2006-04-04 2015-09-08 Qualcomm Incorporated Preprocessor method and apparatus
US8351405B2 (en) * 2006-07-14 2013-01-08 Qualcomm Incorporated Method and apparatus for signaling beacons in a communication system
US7974360B2 (en) 2006-05-24 2011-07-05 Qualcomm Incorporated Multi input multi output (MIMO) orthogonal frequency division multiple access (OFDMA) communication system
US7787826B2 (en) * 2006-07-14 2010-08-31 Qualcomm Incorporated Methods and apparatus for transitioning between states
US7804910B2 (en) 2006-08-08 2010-09-28 Adaptix, Inc. Systems and methods for wireless communication system channel allocation using international delay distortion
JP5044165B2 (ja) 2006-08-14 2012-10-10 株式会社東芝 マルチアンテナ無線通信システムにおける送信機、受信機及び方法
US8098212B2 (en) * 2006-08-15 2012-01-17 Cisco Technology, Inc. Method for antenna array partitioning
JP4869889B2 (ja) * 2006-11-29 2012-02-08 京セラ株式会社 基地局装置及び通信方法
WO2008066349A1 (fr) 2006-12-01 2008-06-05 Electronics And Telecommunications Research Institute Procédé et appareil d'émission / de réception de multiples mots-codes dans un système amrf à porteuse unique
KR100874264B1 (ko) 2006-12-01 2008-12-16 한국전자통신연구원 Ｓｃ－ｆｄｍａ 시스템에서의 다중 코드 워드 송수신 방법및 장치
KR100933161B1 (ko) * 2006-12-11 2009-12-21 삼성전자주식회사 통신시스템의 업링크 스케줄링 방법 및 장치
JP4858199B2 (ja) * 2007-02-02 2012-01-18 住友電気工業株式会社 無線通信の受信装置及び受信方法
EP2003835A1 (fr) * 2007-06-15 2008-12-17 Nokia Siemens Networks Oy Procédé de fonctionnement d'un système de communication radio, station de récepteur et système de communication radio
JP4461162B2 (ja) * 2007-07-02 2010-05-12 株式会社東芝 端末装置
EP2163019B1 (fr) * 2007-07-02 2012-09-12 Telefonaktiebolaget LM Ericsson (publ) Schéma de modulation adaptatif pour des canaux multitrajets sans fil
US20090175210A1 (en) * 2007-07-26 2009-07-09 Qualcomm Incorporated Multiplexing and transmission of multiple data streams in a wireless multi-carrier communication system
US8085720B2 (en) * 2008-01-25 2011-12-27 At&T Mobility Ii Llc Channel element packing and repacking
US8878393B2 (en) 2008-05-13 2014-11-04 Qualcomm Incorporated Wireless power transfer for vehicles
US9130407B2 (en) 2008-05-13 2015-09-08 Qualcomm Incorporated Signaling charging in wireless power environment
KR101582685B1 (ko) * 2008-12-03 2016-01-06 엘지전자 주식회사 다중안테나를 이용한 데이터 전송장치 및 방법
US8665806B2 (en) * 2008-12-09 2014-03-04 Motorola Mobility Llc Passive coordination in a closed loop multiple input multiple out put wireless communication system
US8854224B2 (en) 2009-02-10 2014-10-07 Qualcomm Incorporated Conveying device information relating to wireless charging
US20100201312A1 (en) 2009-02-10 2010-08-12 Qualcomm Incorporated Wireless power transfer for portable enclosures
US9312924B2 (en) 2009-02-10 2016-04-12 Qualcomm Incorporated Systems and methods relating to multi-dimensional wireless charging
US8599803B1 (en) * 2009-05-01 2013-12-03 Marvell International Ltd. Open loop multiple access for WLAN
JP5446671B2 (ja) * 2009-09-29 2014-03-19 ソニー株式会社 無線伝送システム及び無線通信方法
US8434336B2 (en) * 2009-11-14 2013-05-07 Qualcomm Incorporated Method and apparatus for managing client initiated transmissions in multiple-user communication schemes
JP4782229B2 (ja) * 2010-01-29 2011-09-28 株式会社エヌ・ティ・ティ・ドコモ 送信機及び送信方法、移動通信システム
US9190718B2 (en) * 2010-05-08 2015-11-17 Maxtena Efficient front end and antenna implementation
JP5296748B2 (ja) * 2010-06-30 2013-09-25 株式会社バッファロー 送信装置及び送信方法
JP5223915B2 (ja) * 2010-12-28 2013-06-26 富士通株式会社 移動通信システム及びその通信方法並びに送信局
JP5383770B2 (ja) * 2011-10-21 2014-01-08 京セラ株式会社 基地局装置及び通信方法
KR20130073360A (ko) * 2011-12-23 2013-07-03 한국전자통신연구원 다중 반송파 시스템의 데이터 처리 장치 및 그것의 데이터 처리 방법
WO2013181810A1 (fr) * 2012-06-06 2013-12-12 华为技术有限公司 Procédé, dispositif et système d'accès multiple
JP5598558B2 (ja) * 2013-01-11 2014-10-01 株式会社日立製作所 送信局及び送信方法
US10038573B2 (en) * 2016-05-23 2018-07-31 Comtech Systems Inc. Apparatus and methods for adaptive data rate communication in a forward-scatter radio system
CN108306669A (zh) * 2017-01-11 2018-07-20 深圳市首欣通达科技有限公司 一种基于正交频分复用的双模卫星通话方法
JP7068115B2 (ja) * 2018-09-12 2022-05-16 株式会社東芝 無線通信装置、無線通信方法およびプログラム

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3145003B2 (ja) * 1995-03-23 2001-03-12 株式会社東芝 直交周波数分割多重伝送方式とその送信装置および受信装置
US6005876A (en) * 1996-03-08 1999-12-21 At&T Corp Method and apparatus for mobile data communication
EP0931388B1 (fr) * 1996-08-29 2003-11-05 Cisco Technology, Inc. Traitement spatio-temporel pour telecommunications
US6131016A (en) * 1997-08-27 2000-10-10 At&T Corp Method and apparatus for enhancing communication reception at a wireless communication terminal

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