CN1248474C - 正交频分复用接收系统 - Google Patents

正交频分复用接收系统 Download PDF

Info

Publication number
CN1248474C
CN1248474C CNB998033073A CN99803307A CN1248474C CN 1248474 C CN1248474 C CN 1248474C CN B998033073 A CNB998033073 A CN B998033073A CN 99803307 A CN99803307 A CN 99803307A CN 1248474 C CN1248474 C CN 1248474C
Authority
CN
China
Prior art keywords
frame
data
reference frame
ofdm
vector
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.)
Expired - Fee Related
Application number
CNB998033073A
Other languages
English (en)
Chinese (zh)
Other versions
CN1292191A (zh
Inventor
史蒂夫·马
多诺万·扬
马江镭
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.)
Wavesat Telecom Inc
Original Assignee
Wavesat Telecom 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 Wavesat Telecom Inc filed Critical Wavesat Telecom Inc
Publication of CN1292191A publication Critical patent/CN1292191A/zh
Application granted granted Critical
Publication of CN1248474C publication Critical patent/CN1248474C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

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
    • 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
    • H04L27/2655Synchronisation arrangements
    • H04L27/2668Details of algorithms
    • H04L27/2673Details of algorithms characterised by synchronisation parameters
    • H04L27/2676Blind, i.e. without using known symbols
    • H04L27/2678Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L25/03159Arrangements for removing intersymbol interference operating in the frequency domain
    • 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
    • H04L27/2602Signal structure
    • H04L27/2605Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607Cyclic extensions
    • 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
    • H04L27/2655Synchronisation arrangements
    • H04L27/2656Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/0335Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375Passband transmission
    • H04L2025/03414Multicarrier
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/03Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006Arrangements for removing intersymbol interference
    • H04L2025/03433Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439Fixed structures
    • H04L2025/03522Frequency domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
CNB998033073A 1998-02-26 1999-02-25 正交频分复用接收系统 Expired - Fee Related CN1248474C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/030,865 US6151295A (en) 1998-02-26 1998-02-26 OFDM receiving system
US09/030,865 1998-02-26

Publications (2)

Publication Number Publication Date
CN1292191A CN1292191A (zh) 2001-04-18
CN1248474C true CN1248474C (zh) 2006-03-29

Family

ID=21856418

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB998033073A Expired - Fee Related CN1248474C (zh) 1998-02-26 1999-02-25 正交频分复用接收系统

Country Status (16)

Country Link
US (1) US6151295A (enExample)
EP (2) EP1078502A2 (enExample)
JP (1) JP2002505551A (enExample)
KR (1) KR100729260B1 (enExample)
CN (1) CN1248474C (enExample)
AU (1) AU3242599A (enExample)
BG (1) BG104762A (enExample)
BR (1) BR9908302A (enExample)
CA (1) CA2320058C (enExample)
EA (1) EA003198B1 (enExample)
ID (1) ID26957A (enExample)
IL (1) IL137894A0 (enExample)
NO (1) NO20004252L (enExample)
PL (1) PL343241A1 (enExample)
UA (1) UA56302C2 (enExample)
WO (1) WO1999044326A2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107600250A (zh) * 2016-07-11 2018-01-19 株式会社岛野 自行车用控制装置、自行车组件、及自行车用控制系统

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6609189B1 (en) * 1998-03-12 2003-08-19 Yale University Cycle segmented prefix circuits
KR100442816B1 (ko) * 1998-07-08 2004-09-18 삼성전자주식회사 직교주파수분할다중화(ofdm)수신기 동기화 방법 및 장치
JP3085944B2 (ja) * 1999-02-15 2000-09-11 三菱電機株式会社 Ofdm通信システム用受信装置
US6735255B1 (en) 1999-05-28 2004-05-11 3Com Corporation Correlation based method of determining frame boundaries of data frames that are periodically extended
US6785349B1 (en) 1999-05-28 2004-08-31 3Com Corporation Correlation based method of determining frame boundaries of data frames that are periodically extended
US6661771B1 (en) * 1999-09-17 2003-12-09 Lucent Technologies Inc. Method and apparatus for interleaver synchronization in an orthogonal frequency division multiplexing (OFDM) communication system
HK1050281A1 (zh) 1999-10-22 2003-06-13 Nextnet Wireless Inc. 使用具有内部天线的cpe的固定ofdm无线访问系统
US6631143B1 (en) * 1999-11-12 2003-10-07 Lucent Technologies Inc. Methods and apparatus for frame synchronization in a digital audio broadcasting system
ES2188372B1 (es) * 2001-05-23 2004-11-16 Diseño De Sistemas En Silicio, S.A. Procedimiento para la sincronizacion de la comunicacion mediante modulacion ofdm de multiples equipos de usuario con un equipo de cabecera (canal ascendente).
US7827581B1 (en) * 2000-02-29 2010-11-02 BE Labs, Inc. Wireless multimedia system
WO2001065794A1 (en) * 2000-02-29 2001-09-07 3Com Corporation Method of multicarrier symbol synchronisation by using correlation
JP4503796B2 (ja) * 2000-08-10 2010-07-14 株式会社デンソー 同期信号生成方法、受信装置、および記録媒体
DE10039902B4 (de) 2000-08-16 2011-04-28 Rohde & Schwarz Gmbh & Co. Kg Verfahren zur Frequenz- und Zeit-Synchronisation eines Empfängers
EP1185047A1 (en) * 2000-08-29 2002-03-06 Telefonaktiebolaget Lm Ericsson Estimation and removal of intersymbol interference in multicarrier signals
US6693984B1 (en) 2000-08-29 2004-02-17 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for compensating for intersymbol interference in a received signal
ES2341876T3 (es) * 2001-03-09 2010-06-29 Qualcomm Incorporated Procedimiento de sincronizacion de temporizacion de simbolos en sistemas de comunicaciones.
DE10112773B4 (de) * 2001-03-16 2012-09-20 Rohde & Schwarz Gmbh & Co Kg Verfahren zur Frequenz- und Zeit-Synchronisation eines OFDM-Empfängers
US6961545B2 (en) 2001-04-09 2005-11-01 Atheros Communications, Inc. Method and system for providing antenna diversity
KR100398331B1 (ko) * 2001-04-16 2003-09-19 광주과학기술원 직교 주파수 분할 다중화 시스템의 신호 수신단 및 그신호 수신방법
FR2826208B1 (fr) * 2001-06-19 2003-12-05 Thales Sa Systeme et procede de transmission d'un signal audio ou phonie
KR20030027541A (ko) * 2001-09-29 2003-04-07 주식회사 케이티 통신 시스템에서의 비동기적인 시간기반의 데이터 송수신방법 및 장치
FR2830393B1 (fr) * 2001-10-03 2003-12-12 Canon Kk Procede et dispositif de reception optimisee
US7324428B1 (en) * 2001-10-19 2008-01-29 Legend Silicon Corporation Frame identifier
DE60136393D1 (de) * 2001-11-28 2008-12-11 Fujitsu Ltd Orthogonal-frequenzmultiplexübertragungsverfahren
EP1868339A1 (en) * 2001-11-28 2007-12-19 Fujitsu Ltd. Orthogonal frequency division multiplex transmission method
JP2005536097A (ja) * 2002-08-13 2005-11-24 ノキア コーポレイション 記号インターリービング
US7453792B2 (en) * 2002-11-14 2008-11-18 Edgewater Computer Systems, Inc. Receiver architecture for pilot based OFDM systems
US20040228417A1 (en) * 2003-05-12 2004-11-18 Mcnc Research And Development Institute Communication system with adaptive channel correction
US20050063298A1 (en) * 2003-09-02 2005-03-24 Qualcomm Incorporated Synchronization in a broadcast OFDM system using time division multiplexed pilots
US8433005B2 (en) 2004-01-28 2013-04-30 Qualcomm Incorporated Frame synchronization and initial symbol timing acquisition system and method
US20050163263A1 (en) * 2004-01-28 2005-07-28 Gupta Alok K. Systems and methods for frequency acquisition in a wireless communication network
US8724447B2 (en) * 2004-01-28 2014-05-13 Qualcomm Incorporated Timing estimation in an OFDM receiver
BRPI0507161A (pt) * 2004-01-28 2007-06-26 Qualcomm Inc estimação de temporização em um receptor ofdm
US7296045B2 (en) * 2004-06-10 2007-11-13 Hasan Sehitoglu Matrix-valued methods and apparatus for signal processing
US20090190675A1 (en) * 2004-08-31 2009-07-30 Qualcomm Incorporated Synchronization in a broadcast ofdm system using time division multiplexed pilots
US7298772B1 (en) 2004-09-03 2007-11-20 Redpine Signals, Inc. Packet detection, symbol timing, and coarse frequency estimation in an OFDM communications system
US7756005B2 (en) * 2005-03-11 2010-07-13 Qualcomm Incorporated Coarse timing/frame acquisition of OFDM system using time division multiplexed pilot symbol
US7499462B2 (en) * 2005-03-15 2009-03-03 Radiospire Networks, Inc. System, method and apparatus for wireless delivery of content from a generalized content source to a generalized content sink
US20060209890A1 (en) * 2005-03-15 2006-09-21 Radiospire Networks, Inc. System, method and apparatus for placing training information within a digital media frame for wireless transmission
US20060209884A1 (en) * 2005-03-15 2006-09-21 Macmullan Samuel J System, method and apparatus for automatic detection and automatic connection between a generalized content source and a generalized content sink
US20060212911A1 (en) * 2005-03-15 2006-09-21 Radiospire Networks, Inc. System, method and apparatus for wireless delivery of analog media from a media source to a media sink
US20060209892A1 (en) * 2005-03-15 2006-09-21 Radiospire Networks, Inc. System, method and apparatus for wirelessly providing a display data channel between a generalized content source and a generalized content sink
US8223623B2 (en) * 2005-03-28 2012-07-17 Qualcomm Incorporated Timing and frequency acquisition for OFDM systems
US7526020B2 (en) * 2005-09-13 2009-04-28 Via Technologies, Inc. Circuit for improving channel impulse response estimation and compensating for remnant frequency offset in the orthogonal frequency division multiplexing (OFDM) baseband receiver for IEEE 802.11a/g wireless LAN standard
CN1992694B (zh) * 2005-12-27 2010-10-06 中兴通讯股份有限公司 一种基于正交频分复用技术的信道同步方法
RU2304355C1 (ru) * 2006-01-12 2007-08-10 Самсунг Электроникс Ко., Лтд. Способ адаптивной передачи данных в беспроводной сети по стандарту ieee 802.16
RU2304358C1 (ru) * 2006-01-17 2007-08-10 Самсунг Электроникс Ко., Лтд. Способ адаптивной передачи данных в беспроводной сети по стандарту ieee 802.16
RU2304356C1 (ru) * 2006-01-17 2007-08-10 Самсунг Электроникс Ко., Лтд. Способ адаптивной передачи данных в беспроводной сети по стандарту ieee 802.16
RU2304357C1 (ru) * 2006-01-17 2007-08-10 Самсунг Электроникс Ко., Лтд. Способ адаптивной передачи данных в беспроводной сети по стандарту ieee 802.16
KR100860743B1 (ko) * 2007-01-09 2008-09-29 한국과학기술원 직교주파수분할다중화 심볼 복조를 위한 시간동기 오프셋보상장치, 방법, 그 장치를 포함하는 수신기 및 그 방법을실행하기위한 프로그램이 기록된 컴퓨터로 읽을 수 있는기록매체.
DE102007036675A1 (de) * 2007-02-06 2008-12-24 Rohde & Schwarz Gmbh & Co. Kg Verfahren und Vorrichtung zur Zeitversatz-Synchronisation von OFDM Systemen
US8189719B2 (en) * 2008-05-20 2012-05-29 Qualcomm Incorporated Detection of time-domain sequences sent on a shared control channel
CN103117769B (zh) * 2013-01-25 2014-11-26 电信科学技术第一研究所 改善卫星扩频通信接收机解扩信号信噪比的方法及接收机
CN107426131B (zh) * 2017-09-11 2020-07-17 河海大学 一种基于循环前缀的抗频偏低相关搜索峰定时估计方法
EP3825850B1 (en) * 2018-05-04 2024-08-07 Citrix Systems, Inc. Computer system providing improved transfer protocol for remote computing using multiple virtual channels having different priorities.
US11824785B2 (en) 2018-05-04 2023-11-21 Citrix Systems, Inc. Systems and methods for remote computing session display based upon user input event prioritization

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4796280A (en) * 1987-11-06 1989-01-03 Standard Microsystems Corporation Digital data separator
US5191576A (en) * 1988-11-18 1993-03-02 L'Etat Francais and Telediffusion de France S.A. Method for broadcasting of digital data, notably for radio broadcasting at high throughput rate towards mobile receivers, with time frequency interlacing and analog synchronization
FR2658016B1 (fr) * 1990-02-06 1994-01-21 Etat Francais Cnet Procede de diffusion de donnees numeriques, notamment pour la radiodiffusion a haut debit vers des mobiles, a entrelacement temps-frequence et demodulation coherente, et recepteur correspondant.
GB9020170D0 (en) * 1990-09-14 1990-10-24 Indep Broadcasting Authority Orthogonal frequency division multiplexing
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.
DE4138770A1 (de) * 1991-11-26 1993-05-27 Daimler Benz Ag Verfahren zur digitalen datenuebertragung im nullsymbol des cofdm-modulationsverfahrens
JP2904986B2 (ja) * 1992-01-31 1999-06-14 日本放送協会 直交周波数分割多重ディジタル信号送信装置および受信装置
DE69322322T2 (de) * 1992-07-08 1999-06-17 Koninklijke Philips Electronics N.V., Eindhoven Verkettete Kodierung für OFDM-Übertragung
EP0613266B1 (en) * 1993-02-08 2001-06-13 Koninklijke Philips Electronics N.V. OFDM receiver with compensation for differential delays
EP0613267A3 (en) * 1993-02-08 1996-12-04 Philips Nv OFDM system with crosstalk reduction.
CA2115118A1 (en) * 1993-02-08 1994-08-09 Arie Geert Cornelis Koppelaar Method of transmitting a data stream, transmitter and receiver
US5440585A (en) * 1993-06-14 1995-08-08 At&T Corp. Applications of simultaneous analog and digital communication
SE9302453L (sv) * 1993-07-20 1994-10-17 Telia Ab Förfarande och anordning för synkronisering i digitalt transmissionssystem av typen OFDM
JPH0746217A (ja) * 1993-07-26 1995-02-14 Sony Corp ディジタル復調装置
US5444697A (en) * 1993-08-11 1995-08-22 The University Of British Columbia Method and apparatus for frame synchronization in mobile OFDM data communication
JP3074103B2 (ja) * 1993-11-16 2000-08-07 株式会社東芝 Ofdm同期復調回路
EP0660559B1 (fr) * 1993-12-22 2005-04-27 Koninklijke Philips Electronics N.V. Système de communication à multiporteuses à saut de fréquence
JP2731722B2 (ja) * 1994-05-26 1998-03-25 日本電気株式会社 クロック周波数自動制御方式及びそれに用いる送信装置と受信装置
FI96372C (fi) * 1994-06-16 1996-06-10 Nokia Technology Gmbh Kehystahdistus digitaalisia radiolähetyksiä vastaanottavassa laitteessa
US5627863A (en) * 1994-07-15 1997-05-06 Amati Communications Corporation Frame synchronization in multicarrier transmission systems
IT1271322B (it) * 1994-12-23 1997-05-27 Italtel Spa Sistema e metodo di demodulazione per ricevitori ofdm
US6151374A (en) * 1996-03-04 2000-11-21 Mitsubishi Denki Kabushiki Kaisha Synchronizing signal detecting apparatus
US5914933A (en) * 1996-03-08 1999-06-22 Lucent Technologies Inc. Clustered OFDM communication system
KR100186930B1 (ko) * 1996-03-13 1999-05-15 (소장)배문한 직교성 주파수 분할 다중화 방식 신호를 이용한초기프레임동기화방법
JPH1032558A (ja) * 1996-07-16 1998-02-03 Sanyo Electric Co Ltd Ofdm変復調装置
FR2754125B1 (fr) * 1996-09-30 2004-07-09 Sc Reprosol Dispositif et procede d'egalisation vectorielle d'un signal ofdm

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107600250A (zh) * 2016-07-11 2018-01-19 株式会社岛野 自行车用控制装置、自行车组件、及自行车用控制系统
TWI727063B (zh) * 2016-07-11 2021-05-11 日商島野股份有限公司 自行車用控制裝置、自行車組件、以及自行車用控制系統

Also Published As

Publication number Publication date
NO20004252D0 (no) 2000-08-24
KR100729260B1 (ko) 2007-06-15
ID26957A (id) 2001-02-22
EA200000882A1 (ru) 2001-04-23
HK1034009A1 (en) 2001-10-05
IL137894A0 (en) 2001-10-31
EP1078502A2 (en) 2001-02-28
UA56302C2 (uk) 2003-05-15
KR20010041300A (ko) 2001-05-15
CA2320058C (en) 2005-12-20
EP1361717A3 (en) 2004-02-11
WO1999044326B1 (en) 1999-12-23
WO1999044326A2 (en) 1999-09-02
EP1361717A2 (en) 2003-11-12
JP2002505551A (ja) 2002-02-19
CA2320058A1 (en) 1999-09-02
NO20004252L (no) 2000-08-28
PL343241A1 (en) 2001-07-30
AU3242599A (en) 1999-09-15
EA003198B1 (ru) 2003-02-27
BG104762A (bg) 2001-04-30
BR9908302A (pt) 2000-10-31
WO1999044326A3 (en) 1999-11-11
CN1292191A (zh) 2001-04-18
US6151295A (en) 2000-11-21

Similar Documents

Publication Publication Date Title
CN1248474C (zh) 正交频分复用接收系统
CN100346587C (zh) 利用正交频分复用系统中的引导符号补偿频偏的装置
US7180965B2 (en) Phase estimation and compensation in orthogonal frequency division multiplex (OFDM) systems
US6363084B1 (en) Method for estimating coarse frequency offset in OFDM receiver and apparatus employing the same
CN101023611B (zh) 用于在正交频分复用系统中频率同步的设备和方法
JP4263119B2 (ja) Ofdmシステムでの初期周波数の同期方法および装置
KR20010022578A (ko) F 클래스의 다중 캐리어 전송 시스템에서 데이타 블록 및 캐리어 주파수 쉬프트의 시작에 대한 조합 측정 방법 및장치
US20070086328A1 (en) Method and circuit for frequency offset estimation in frequency domain in the orthogonal frequency division multiplexing baseband receiver for IEEE 802.11A/G wireless LAN standard
CN106685885B (zh) 前导符号的接收装置
CN1261757A (zh) 正交频分复用接收机中的粗略频偏估算器及其方法
CN106685883B (zh) 前导符号的接收装置
JP4383949B2 (ja) 同期パルスを生成する方法、装置およびその装置を備える受信機
TWI234951B (en) Method and system for OFDM symbol timing synchronization
CN1826785B (zh) 用于估计多载波信号传播信道的方法和装置
JPH10150428A (ja) 直交周波数分割多重を使用するレシーバ及びそのタイミング同期方法
CN1713628A (zh) 数字接收机的使用信道特性的码元定时误差检测器及方法
US20140185722A1 (en) System and Method for Optimizing Use of Channel State Information
HK1034009B (en) Ofdm frame synchronisation and equalisation system
CN107835141B (zh) 自相关与互相关结合的多段重复序列ofdm同步算法
KR100839843B1 (ko) Ofdm 심볼구조를 이용한 부호화/복호화 방법
MXPA00008389A (en) Ofdm receiving system
JP4548158B2 (ja) 受信方法及び受信装置
JPH10117160A (ja) 復調装置
CN109639385A (zh) 基于cazac序列的宽带分集同步方法及系统
KR20090050120A (ko) 오프셋 보정장치 및 방법

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060329

Termination date: 20100225