DE69738211D1 - Verfahren und Vorrichtung zur differentiellen Erkennung eines einzigartigen Wortes und Demodulation unter Verwendung von differentieller Erkennung eines einzigartigen Wortes - Google Patents
Verfahren und Vorrichtung zur differentiellen Erkennung eines einzigartigen Wortes und Demodulation unter Verwendung von differentieller Erkennung eines einzigartigen WortesInfo
- Publication number
- DE69738211D1 DE69738211D1 DE69738211T DE69738211T DE69738211D1 DE 69738211 D1 DE69738211 D1 DE 69738211D1 DE 69738211 T DE69738211 T DE 69738211T DE 69738211 T DE69738211 T DE 69738211T DE 69738211 D1 DE69738211 D1 DE 69738211D1
- Authority
- DE
- Germany
- Prior art keywords
- unique word
- differential recognition
- demodulation
- recognition
- differential
- 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
Links
Classifications
-
- 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
- H04L27/22—Demodulator circuits; Receiver circuits
-
- 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
- H04L27/2657—Carrier synchronisation
-
- 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
- H04L27/2675—Pilot or known symbols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/042—Detectors therefor, e.g. correlators, state machines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/10—Arrangements for initial synchronisation
-
- 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
- H04L27/2662—Symbol synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31665696 | 1996-11-27 | ||
JP31665696A JP2988398B2 (ja) | 1996-11-27 | 1996-11-27 | ユニークワード遅延検波方式および復調装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69738211D1 true DE69738211D1 (de) | 2007-11-29 |
DE69738211T2 DE69738211T2 (de) | 2008-07-17 |
Family
ID=18079453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69738211T Expired - Fee Related DE69738211T2 (de) | 1996-11-27 | 1997-11-26 | Verfahren und Vorrichtung zur differentiellen Erkennung eines einzigartigen Wortes und Demodulation unter Verwendung von differentieller Erkennung eines einzigartigen Wortes |
Country Status (6)
Country | Link |
---|---|
US (1) | US6088411A (de) |
EP (1) | EP0845888B1 (de) |
JP (1) | JP2988398B2 (de) |
AU (1) | AU737120B2 (de) |
CA (1) | CA2222462C (de) |
DE (1) | DE69738211T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3097074B2 (ja) * | 1997-12-09 | 2000-10-10 | 日本電気株式会社 | 受信同期回路と受信同期方法及びこれを用いた受信機とデジタル通信システム |
US6400734B1 (en) * | 1998-12-07 | 2002-06-04 | National Semiconductor Corporation | Method and architecture for TDMA receiver incorporating a unique word correlation control loop |
US6785350B1 (en) * | 1999-10-14 | 2004-08-31 | Nokia Corporation | Apparatus, and associated method, for detecting a symbol sequence |
FR2802371B1 (fr) * | 1999-12-10 | 2003-09-26 | Matra Nortel Communications | Procede de signalisation dans un systeme de radiocommunication, emetteurs, recepteurs et repeteurs pour la mise en oeuvre du procede |
US20010024483A1 (en) * | 2000-02-21 | 2001-09-27 | Matsushita Electric Industrial Co., Ltd. | Radio reception apparatus |
JP4560901B2 (ja) * | 2000-06-22 | 2010-10-13 | ソニー株式会社 | デジタル衛星放送復調装置及び方法 |
JP3880358B2 (ja) | 2001-10-04 | 2007-02-14 | シャープ株式会社 | Ofdm復調回路及びこれを用いたofdm受信装置 |
JP4203008B2 (ja) | 2002-04-30 | 2008-12-24 | 株式会社アドバンテスト | パターン位置検出装置、方法、プログラムおよび該プログラムを記録した記録媒体 |
US6842496B2 (en) * | 2002-10-24 | 2005-01-11 | Interdigital Technology Corporation | Algorithm for multiple-symbol differential detection |
US7050566B2 (en) * | 2003-06-13 | 2006-05-23 | Assurant, Inc. | Call processing system |
JP2007505618A (ja) * | 2003-09-22 | 2007-03-15 | インスティティ・パスツール | ニパウイルスの検出方法及びヘニパウイルスに対する免疫保護を提供する方法 |
US8064414B2 (en) | 2005-12-13 | 2011-11-22 | Qualcomm, Incorporated | Range extension techniques for a wireless local area network |
JP4570558B2 (ja) * | 2005-12-13 | 2010-10-27 | パナソニック株式会社 | 無線通信装置及び周波数オフセット量推定方法 |
US8938063B1 (en) | 2006-09-07 | 2015-01-20 | Avaya Inc. | Contact center service monitoring and correcting |
US8811597B1 (en) | 2006-09-07 | 2014-08-19 | Avaya Inc. | Contact center performance prediction |
US8971520B1 (en) * | 2006-10-27 | 2015-03-03 | Answer Financial Inc. | Method for optimizing skill assignment in call center agent applications |
KR101421406B1 (ko) * | 2008-02-01 | 2014-07-23 | 성균관대학교산학협력단 | 광대역 무선접속 통신 시스템에서 주파수 동기를 위한 상관장치 및 방법 |
JP5706194B2 (ja) * | 2011-03-03 | 2015-04-22 | 株式会社日立国際電気 | シングルキャリア受信装置および受信方法 |
US10778339B2 (en) | 2018-09-14 | 2020-09-15 | Viasat, Inc. | Systems and methods for creating in a transmitter a stream of symbol frames configured for efficient processing in a receiver |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4530103A (en) * | 1983-08-22 | 1985-07-16 | E-Systems, Inc. | Method and apparatus for baseband tracking of a PN code sequence in a spread spectrum receiver |
JPH05167630A (ja) * | 1991-12-12 | 1993-07-02 | Nec Corp | ユニークワード検出器 |
DE69233096T2 (de) * | 1991-07-30 | 2003-12-11 | Nec Corp | Einzelwortdetektorschaltung zur Verwendung in einem kohärenten Demodulator |
US5282227A (en) * | 1992-05-21 | 1994-01-25 | The Titan Corporation | Communication signal detection and acquisition |
US5627863A (en) * | 1994-07-15 | 1997-05-06 | Amati Communications Corporation | Frame synchronization in multicarrier transmission systems |
US5898665A (en) * | 1995-01-05 | 1999-04-27 | Ntt Mobile Communications Network, Inc. | Coherent tracking apparatus and method for CDMA receiver |
AU4574596A (en) * | 1995-04-19 | 1996-10-31 | Motorola, Inc. | Receiver and associated method for timing recovery and frequency estimation |
US5953367A (en) * | 1995-08-09 | 1999-09-14 | Magellan Corporation | Spread spectrum receiver using a pseudo-random noise code for ranging applications in a way that reduces errors when a multipath signal is present |
JP3125644B2 (ja) * | 1995-09-13 | 2001-01-22 | 松下電器産業株式会社 | 復調装置 |
US5901183A (en) * | 1996-09-25 | 1999-05-04 | Magellan Corporation | Signal correlation technique for a receiver of a spread spectrum signal including a pseudo-random noise code that reduces errors when a multipath signal is present |
JP3327152B2 (ja) * | 1996-12-25 | 2002-09-24 | 三菱電機株式会社 | 自動周波数制御回路 |
-
1996
- 1996-11-27 JP JP31665696A patent/JP2988398B2/ja not_active Expired - Fee Related
-
1997
- 1997-11-26 AU AU46798/97A patent/AU737120B2/en not_active Ceased
- 1997-11-26 CA CA002222462A patent/CA2222462C/en not_active Expired - Fee Related
- 1997-11-26 DE DE69738211T patent/DE69738211T2/de not_active Expired - Fee Related
- 1997-11-26 EP EP97120771A patent/EP0845888B1/de not_active Expired - Lifetime
- 1997-11-28 US US08/980,290 patent/US6088411A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2222462C (en) | 2002-02-19 |
CA2222462A1 (en) | 1998-05-27 |
JP2988398B2 (ja) | 1999-12-13 |
AU737120B2 (en) | 2001-08-09 |
EP0845888B1 (de) | 2007-10-17 |
AU4679897A (en) | 1998-06-04 |
JPH10164161A (ja) | 1998-06-19 |
US6088411A (en) | 2000-07-11 |
EP0845888A2 (de) | 1998-06-03 |
DE69738211T2 (de) | 2008-07-17 |
EP0845888A3 (de) | 2001-01-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |