IL137057A - OFDM reception / transmission device and method - Google Patents

OFDM reception / transmission device and method

Info

Publication number
IL137057A
IL137057A IL13705799A IL13705799A IL137057A IL 137057 A IL137057 A IL 137057A IL 13705799 A IL13705799 A IL 13705799A IL 13705799 A IL13705799 A IL 13705799A IL 137057 A IL137057 A IL 137057A
Authority
IL
Israel
Prior art keywords
subcarrier
coefficient
transmitting
signal
receiving apparatus
Prior art date
Application number
IL13705799A
Other languages
English (en)
Hebrew (he)
Other versions
IL137057A0 (en
Original Assignee
Matsushita Electric Ind 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.)
Filing date
Publication date
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of IL137057A0 publication Critical patent/IL137057A0/xx
Publication of IL137057A publication Critical patent/IL137057A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/38TPC being performed in particular situations
    • H04W52/42TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/2627Modulators
    • H04L27/2637Modulators with direct modulation of individual subcarriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/2646Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2649Demodulators
    • H04L27/2653Demodulators with direct demodulation of individual subcarriers
    • 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
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/34TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading
    • H04W52/346TPC management, i.e. sharing limited amount of power among users or channels or data types, e.g. cell loading distributing total power among users or channels
    • 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
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
IL13705799A 1998-11-06 1999-11-04 OFDM reception / transmission device and method IL137057A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP31641498 1998-11-06
JP7081499 1999-03-16
JP10173399A JP4287536B2 (ja) 1998-11-06 1999-04-08 Ofdm送受信装置及びofdm送受信方法
PCT/JP1999/006126 WO2000028687A1 (fr) 1998-11-06 1999-11-04 Dispositif emetteur/recepteur a multiplexage frequentiel optique et procede correspondant

Publications (2)

Publication Number Publication Date
IL137057A0 IL137057A0 (en) 2001-06-14
IL137057A true IL137057A (en) 2004-12-15

Family

ID=27300449

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13705799A IL137057A (en) 1998-11-06 1999-11-04 OFDM reception / transmission device and method

Country Status (10)

Country Link
US (2) US6345036B1 (ja)
EP (1) EP1043857A4 (ja)
JP (1) JP4287536B2 (ja)
KR (1) KR100396098B1 (ja)
CN (1) CN1243422C (ja)
AU (1) AU1076300A (ja)
CA (1) CA2316904C (ja)
IL (1) IL137057A (ja)
NO (1) NO331646B1 (ja)
WO (1) WO2000028687A1 (ja)

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4287536B2 (ja) * 1998-11-06 2009-07-01 パナソニック株式会社 Ofdm送受信装置及びofdm送受信方法
EP1142227A2 (en) * 1998-12-23 2001-10-10 Nokia Wireless Routers, Inc. A unified routing scheme for ad-hoc internetworking
US7952511B1 (en) 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
EP1176750A1 (en) * 2000-07-25 2002-01-30 Telefonaktiebolaget L M Ericsson (Publ) Link quality determination of a transmission link in an OFDM transmission system
JP2002064461A (ja) * 2000-08-18 2002-02-28 Mitsubishi Electric Corp 通信装置および通信方法
JP2002217858A (ja) * 2001-01-19 2002-08-02 Kddi Research & Development Laboratories Inc 振幅補正装置
WO2002063341A1 (en) * 2001-02-02 2002-08-15 Dbi Corporation Downhole telemetry and control system
US20030002471A1 (en) * 2001-03-06 2003-01-02 Crawford James A. Method for estimating carrier-to-noise-plus-interference ratio (CNIR) for OFDM waveforms and the use thereof for diversity antenna branch selection
JP2002280935A (ja) * 2001-03-19 2002-09-27 Sumitomo Electric Ind Ltd 電力線搬送におけるマルチキャリア通信装置及び通信方法
JP2002290367A (ja) * 2001-03-26 2002-10-04 Hitachi Kokusai Electric Inc 帯域分割復調方法及びofdm受信機
KR100510434B1 (ko) 2001-04-09 2005-08-26 니폰덴신뎅와 가부시키가이샤 Ofdm신호전달 시스템, ofdm신호 송신장치 및ofdm신호 수신장치
US6611231B2 (en) * 2001-04-27 2003-08-26 Vivato, Inc. Wireless packet switched communication systems and networks using adaptively steered antenna arrays
ES2187274B1 (es) * 2001-05-17 2004-08-16 Diseño De Sistemas En Silicio, S.A. Sistema de control automatico de ganancia para sistema de transmision digital ofdm multiusuario sobre red electrica.
JP4496673B2 (ja) * 2001-06-07 2010-07-07 株式会社デンソー Ofdm方式の送受信機
JP2002374190A (ja) * 2001-06-15 2002-12-26 Matsushita Electric Ind Co Ltd 電力線通信装置および電力線通信システム
CN101677253A (zh) 2001-08-28 2010-03-24 株式会社Ntt都科摩 发送装置
KR100754621B1 (ko) * 2001-11-09 2007-09-05 삼성전자주식회사 직교주파수분할다중화 방식의 이동통신시스템에서피크전력 대 평균전력의 감소장치 및 방법
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
JP2003174370A (ja) 2001-12-05 2003-06-20 Nec Corp 非線形補償回路と基地局装置および送信電力クリップ方法
CA2415170C (en) * 2001-12-28 2008-07-15 Ntt Docomo, Inc. Receiver, transmitter, communication system, and method of communication
AU2002219573A1 (en) * 2002-01-10 2003-07-30 Fujitsu Limited Pilot multiplex method in ofdm system and ofdm receiving method
KR100824375B1 (ko) * 2002-05-24 2008-04-23 삼성전자주식회사 Ofdm 수신기 및 그의 신호처리방법
KR100824367B1 (ko) * 2002-05-24 2008-04-22 삼성전자주식회사 Ofdm 송신기 및 그의 신호처리방법
KR100824369B1 (ko) * 2002-05-28 2008-04-22 삼성전자주식회사 오에프디엠 송신기 및 그의 ofdm 심볼에 보호구간삽입방법
KR100827159B1 (ko) * 2002-05-31 2008-05-02 삼성전자주식회사 오에프디엠 통신 시스템에서 오에프디엠 심볼을 위한보호구간 삽입/추출 장치 및 방법
US7613248B2 (en) * 2002-06-24 2009-11-03 Qualcomm Incorporated Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems
TWI271070B (en) * 2002-07-08 2007-01-11 Texas Instruments Inc Shaped PSD design for DSL systems
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
US8134976B2 (en) 2002-10-25 2012-03-13 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US7002900B2 (en) * 2002-10-25 2006-02-21 Qualcomm Incorporated Transmit diversity processing for a multi-antenna communication system
US20040081131A1 (en) 2002-10-25 2004-04-29 Walton Jay Rod OFDM communication system with multiple OFDM symbol sizes
US8208364B2 (en) * 2002-10-25 2012-06-26 Qualcomm Incorporated MIMO system with multiple spatial multiplexing modes
US8320301B2 (en) * 2002-10-25 2012-11-27 Qualcomm Incorporated MIMO WLAN system
US7324429B2 (en) 2002-10-25 2008-01-29 Qualcomm, Incorporated Multi-mode terminal in a wireless MIMO system
US8570988B2 (en) * 2002-10-25 2013-10-29 Qualcomm Incorporated Channel calibration for a time division duplexed communication system
US8170513B2 (en) * 2002-10-25 2012-05-01 Qualcomm Incorporated Data detection and demodulation for wireless communication systems
US8169944B2 (en) 2002-10-25 2012-05-01 Qualcomm Incorporated Random access for wireless multiple-access communication systems
US7986742B2 (en) * 2002-10-25 2011-07-26 Qualcomm Incorporated Pilots for MIMO communication system
US8218609B2 (en) * 2002-10-25 2012-07-10 Qualcomm Incorporated Closed-loop rate control for a multi-channel communication system
US7460876B2 (en) * 2002-12-30 2008-12-02 Intel Corporation System and method for intelligent transmitted power control scheme
KR100532422B1 (ko) * 2003-02-28 2005-11-30 삼성전자주식회사 동일 심볼을 다수의 채널에 중복적으로 전송하여 통신거리를 확장시킨 무선 랜 시스템의 직교 주파수 분할다중화 송수신 장치 및 그 송수신 방법
EP1499059B1 (en) * 2003-07-18 2011-07-06 Motorola Mobility, Inc. Method and device for determining the link quality in an OFDM network
EP1683317B1 (en) 2003-09-19 2010-11-10 Panasonic Corporation Multicarrier communication method, system and apparatus
US7505522B1 (en) * 2003-10-06 2009-03-17 Staccato Communications, Inc. Spectral shaping in multiband OFDM transmitter with clipping
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
KR100532062B1 (ko) * 2003-12-27 2006-01-09 한국전자통신연구원 다중 채널 통신 시스템의 적응형 자원 할당 장치 및 그 방법
US7519123B1 (en) 2004-04-08 2009-04-14 Staccato Communications, Inc. Spectral shaping for multiband OFDM transmitters with time spreading
JP4429795B2 (ja) * 2004-05-06 2010-03-10 株式会社エヌ・ティ・ティ・ドコモ 無線通信システム、無線送信機及び無線受信機
KR20070046832A (ko) 2004-07-30 2007-05-03 마쓰시다 일렉트릭 인더스트리얼 컴패니 리미티드 무선 통신 장치 및 무선 통신 방법
CN1993953B (zh) * 2004-08-05 2011-01-26 松下电器产业株式会社 无线发送装置和无线发送方法
CN101048960B (zh) 2004-10-29 2013-01-09 夏普株式会社 通信方法和无线发射机
EP3544217B1 (en) 2005-01-18 2021-04-07 SHARP Kabushiki Kaisha Wireless communication apparatus and wireless communication method
CN101099322B (zh) * 2005-01-18 2012-08-22 富士通株式会社 Ofdm-cdma通信系统的发送方法及发送装置
US7466749B2 (en) 2005-05-12 2008-12-16 Qualcomm Incorporated Rate selection with margin sharing
US8358714B2 (en) * 2005-06-16 2013-01-22 Qualcomm Incorporated Coding and modulation for multiple data streams in a communication system
WO2006135221A1 (en) 2005-06-17 2006-12-21 Samsung Electronics Co., Ltd. Apparatus and method for transmitting/receiving broadcast data in a mobile communication system
KR101003087B1 (ko) * 2005-06-17 2010-12-21 삼성전자주식회사 이동통신 시스템에서 방송 데이터의 송수신 장치 및 방법
JP4229936B2 (ja) 2005-09-26 2009-02-25 京セラ株式会社 無線通信方法及び無線通信装置
JP4766310B2 (ja) * 2005-09-27 2011-09-07 住友電気工業株式会社 送信装置及び送信方法
KR100746998B1 (ko) * 2005-12-09 2007-08-07 한국전자통신연구원 직교 주파수 분할 다중 시스템에서 송신 전력 제어 장치 및방법
JP4752523B2 (ja) * 2006-01-26 2011-08-17 ソニー株式会社 無線通信装置及び方法
KR100934656B1 (ko) 2006-02-06 2009-12-31 엘지전자 주식회사 다중 반송파 시스템에서의 무선 자원 할당 방법
JP4714635B2 (ja) * 2006-04-27 2011-06-29 京セラ株式会社 マルチキャリア受信装置及びマルチキャリア受信装置の制御方法
JP2008289046A (ja) * 2007-05-21 2008-11-27 Kyocera Corp Ofdma受信装置およびofdma受信方法
US8537922B2 (en) * 2007-06-19 2013-09-17 The Trustees Of Columbia University In The City Of New York Methods and systems for providing feedback for beamforming and power control
EP2165430B1 (en) * 2007-07-06 2016-08-24 Optis Cellular Technology, LLC Setting maximum power at a mobile communication system base station having multiple antennas
JP2009118388A (ja) * 2007-11-09 2009-05-28 Nec Electronics Corp 受信装置
US8302343B2 (en) * 2008-12-06 2012-11-06 Lawrence William Carignan Fish strike indicator
JP5407562B2 (ja) 2009-06-03 2014-02-05 富士通セミコンダクター株式会社 送信装置

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5357502A (en) * 1990-02-06 1994-10-18 France Telecom And Telediffusion De France Sa Device for the reception of digital data time frequency interlacing, notably for radio broadcasting at high bit rate towards mobile receivers with nyquist temporal window
JP2717989B2 (ja) 1990-03-02 1998-02-25 富士通株式会社 マイクロ波多重無線送信装置
FR2671923B1 (fr) * 1991-01-17 1993-04-16 France Etat Dispositif de demodulation coherente de donnees numeriques entrelacees en temps et en frequence, a estimation de la reponse frequentielle du canal de transmission et seuillage, et emetteur correspondant.
JPH05268178A (ja) * 1992-03-19 1993-10-15 Fujitsu Ltd 送信電力制御方式
JP2700746B2 (ja) * 1992-11-20 1998-01-21 エヌ・ティ・ティ移動通信網株式会社 周波数ホッピング通信方式
EP0600547B1 (en) 1992-12-01 2000-02-09 Koninklijke Philips Electronics N.V. Sub-band diversity transmission system
JP2734953B2 (ja) * 1993-12-16 1998-04-02 日本電気株式会社 Cdma受信装置
JP3124717B2 (ja) * 1995-01-10 2001-01-15 松下電器産業株式会社 直交周波数分割多重信号の伝送方法およびその受信装置
JP3582139B2 (ja) * 1995-03-31 2004-10-27 ソニー株式会社 データ復調装置およびデータ伝送方法
JPH08331095A (ja) * 1995-05-31 1996-12-13 Sony Corp 通信システム
JPH09153882A (ja) * 1995-09-25 1997-06-10 Victor Co Of Japan Ltd 直交周波数分割多重信号伝送方式、送信装置及び受信装置
JP3505329B2 (ja) 1995-11-28 2004-03-08 三洋電機株式会社 移動体通信システムの基地局
US5960039A (en) * 1996-04-10 1999-09-28 Lucent Technologies Inc. Methods and apparatus for high data rate transmission in narrowband mobile radio channels
JP2785804B2 (ja) * 1996-05-30 1998-08-13 日本電気株式会社 移動通信システム
JPH10107714A (ja) 1996-08-06 1998-04-24 Toshiba Corp 受信装置
CA2183140C (en) * 1996-08-12 2001-11-20 Grant Mcgibney Ofdm timing and frequency recovery system
JPH1065609A (ja) * 1996-08-23 1998-03-06 Sony Corp 通信方法、基地局及び端末装置
DE19635813A1 (de) * 1996-09-04 1998-03-05 Johannes Prof Dr Ing Huber Verfahren zur Reduktion des Spitzenwertfaktors bei digitalen Übertragungsverfahren
JP2820143B2 (ja) * 1997-01-17 1998-11-05 日本電気株式会社 自動周波数制御方式
JP3537988B2 (ja) * 1997-03-25 2004-06-14 松下電器産業株式会社 無線送信装置
JP3274388B2 (ja) * 1997-07-25 2002-04-15 株式会社東芝 Rake受信機とこのrake受信機を備えたスぺクトラム拡散通信装置
JP2962299B2 (ja) 1998-01-09 1999-10-12 日本電信電話株式会社 マルチキャリア信号伝送装置
JP3913879B2 (ja) * 1998-02-03 2007-05-09 富士通株式会社 移動速度に基づく通信制御装置および方法
JPH11289312A (ja) * 1998-04-01 1999-10-19 Toshiba Tec Corp マルチキャリア無線通信装置
KR100379492B1 (ko) * 1998-06-08 2003-05-17 엘지전자 주식회사 이동 통신 시스템의 전력 제어 장치
CN1153371C (zh) * 1998-06-29 2004-06-09 诺基亚网络有限公司 多载波无线发射机中的功率控制
US6317470B1 (en) * 1998-09-15 2001-11-13 Ibiquity Digital Corporation Adaptive weighting method for orthogonal frequency division multiplexed soft symbols using channel state information estimates
JP4287536B2 (ja) * 1998-11-06 2009-07-01 パナソニック株式会社 Ofdm送受信装置及びofdm送受信方法

Also Published As

Publication number Publication date
IL137057A0 (en) 2001-06-14
EP1043857A1 (en) 2000-10-11
AU1076300A (en) 2000-05-29
JP4287536B2 (ja) 2009-07-01
NO20003475L (no) 2000-09-05
EP1043857A4 (en) 2006-01-04
WO2000028687A1 (fr) 2000-05-18
CN1243422C (zh) 2006-02-22
KR20010033925A (ko) 2001-04-25
CA2316904C (en) 2006-10-17
US20020027875A1 (en) 2002-03-07
CA2316904A1 (en) 2000-05-18
US6747945B2 (en) 2004-06-08
KR100396098B1 (ko) 2003-08-27
CN1287730A (zh) 2001-03-14
US6345036B1 (en) 2002-02-05
JP2000332723A (ja) 2000-11-30
NO331646B1 (no) 2012-02-13
NO20003475D0 (no) 2000-07-05

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