JP2002505551A - Ｏｆｄｍ受信システム - Google Patents

Ｏｆｄｍ受信システム

Info

Publication number
JP2002505551A
JP2002505551A JP2000533973A JP2000533973A JP2002505551A JP 2002505551 A JP2002505551 A JP 2002505551A JP 2000533973 A JP2000533973 A JP 2000533973A JP 2000533973 A JP2000533973 A JP 2000533973A JP 2002505551 A JP2002505551 A JP 2002505551A
Authority
JP
Japan
Prior art keywords
frame
data
frames
ofdm
sequence
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.)
Pending
Application number
JP2000533973A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002505551A5 (enExample
Inventor
マ、スティーブ
ヤング、ドノバン
マ、ジァング、レイ
Original Assignee
ウェイブサット テレコム インコーポレイテッド
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 ウェイブサット テレコム インコーポレイテッド filed Critical ウェイブサット テレコム インコーポレイテッド
Publication of JP2002505551A publication Critical patent/JP2002505551A/ja
Publication of JP2002505551A5 publication Critical patent/JP2002505551A5/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2676—Blind, i.e. without using known symbols
    • H04L27/2678—Blind, i.e. without using known symbols using cyclostationarities, e.g. cyclic prefix or postfix
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03159—Arrangements for removing intersymbol interference operating in the frequency domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607—Cyclic extensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2647—Arrangements specific to the receiver only
    • H04L27/2655—Synchronisation arrangements
    • H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0071—Use of interleaving
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03375—Passband transmission
    • H04L2025/03414—Multicarrier
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
    • H04L2025/03439—Fixed structures
    • H04L2025/03522—Frequency 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)
JP2000533973A 1998-02-26 1999-02-25 Ｏｆｄｍ受信システム Pending JP2002505551A (ja)

Applications Claiming Priority (3)

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
PCT/CA1999/000175 WO1999044326A2 (en) 1998-02-26 1999-02-25 Ofdm frame synchronisation and equalisation system

Publications (2)

Publication Number Publication Date
JP2002505551A true JP2002505551A (ja) 2002-02-19
JP2002505551A5 JP2002505551A5 (enExample) 2006-04-27

Family

ID=21856418

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000533973A Pending JP2002505551A (ja) 1998-02-26 1999-02-25 Ｏｆｄｍ受信システム

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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002057657A (ja) * 2000-08-10 2002-02-22 Denso Corp 同期信号生成方法、受信装置、およびプログラム製品
JP2018008557A (ja) * 2016-07-11 2018-01-18 株式会社シマノ 自転車用制御装置、自転車コンポーネント、および、自転車用制御システム

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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
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US7827581B1 (en) * 2000-02-29 2010-11-02 BE Labs, Inc. Wireless multimedia system
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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
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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
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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
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Publication number Priority date Publication date Assignee Title
JP2002057657A (ja) * 2000-08-10 2002-02-22 Denso Corp 同期信号生成方法、受信装置、およびプログラム製品
JP2018008557A (ja) * 2016-07-11 2018-01-18 株式会社シマノ 自転車用制御装置、自転車コンポーネント、および、自転車用制御システム
US10696351B2 (en) 2016-07-11 2020-06-30 Shimano Inc. Bicycle controller, bicycle component, and bicycle control system

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
CA2320058A1 (en) 1999-09-02
NO20004252L (no) 2000-08-28
PL343241A1 (en) 2001-07-30
AU3242599A (en) 1999-09-15
CN1248474C (zh) 2006-03-29
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

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