DE69726536D1 - Verfahren und Einrichtung zur Demodulation ohne Präambel - Google Patents

Verfahren und Einrichtung zur Demodulation ohne Präambel

Info

Publication number
DE69726536D1
DE69726536D1 DE69726536T DE69726536T DE69726536D1 DE 69726536 D1 DE69726536 D1 DE 69726536D1 DE 69726536 T DE69726536 T DE 69726536T DE 69726536 T DE69726536 T DE 69726536T DE 69726536 D1 DE69726536 D1 DE 69726536D1
Authority
DE
Germany
Prior art keywords
demodulation
preamble
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 - Lifetime
Application number
DE69726536T
Other languages
English (en)
Inventor
Motoya Iwasaki
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69726536D1 publication Critical patent/DE69726536D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radio Relay Systems (AREA)
DE69726536T 1996-09-27 1997-09-25 Verfahren und Einrichtung zur Demodulation ohne Präambel Expired - Lifetime DE69726536D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25597896 1996-09-27

Publications (1)

Publication Number Publication Date
DE69726536D1 true DE69726536D1 (de) 2004-01-15

Family

ID=17286215

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69726536T Expired - Lifetime DE69726536D1 (de) 1996-09-27 1997-09-25 Verfahren und Einrichtung zur Demodulation ohne Präambel

Country Status (4)

Country Link
US (1) US6016329A (de)
EP (1) EP0833482B1 (de)
CA (1) CA2214163C (de)
DE (1) DE69726536D1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6226336B1 (en) * 1998-02-20 2001-05-01 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for detecting a frequency synchronization signal
US6366607B1 (en) 1998-05-14 2002-04-02 Interdigital Technology Corporation Processing for improved performance and reduced pilot
JP3296421B2 (ja) * 1998-09-28 2002-07-02 日本電気株式会社 周波数推定装置
US8363757B1 (en) 1999-10-12 2013-01-29 Qualcomm Incorporated Method and apparatus for eliminating the effects of frequency offsets in a digital communication system
US6785350B1 (en) * 1999-10-14 2004-08-31 Nokia Corporation Apparatus, and associated method, for detecting a symbol sequence
WO2001037505A1 (fr) * 1999-11-12 2001-05-25 Mitsubishi Denki Kabushiki Kaisha Terminal de radiocommunication capable de specifier la position des salves avec precision et comportant un faible taux d'erreurs de frequence de l'onde porteuse regenerative
US6441682B1 (en) 1999-11-23 2002-08-27 Micro Linear Corporation Active polyphase filter with transconductor cross-coupling of filter sections
US6445257B1 (en) 1999-11-23 2002-09-03 Micro Linear Corporation Fuse-trimmed tank circuit for an integrated voltage-controlled oscillator
US6985541B1 (en) 1999-11-23 2006-01-10 Micor Linear Corporation FM demodulator for a low IF receiver
US6987816B1 (en) * 1999-11-23 2006-01-17 Micro Linear Corporation Iris data recovery algorithms
US7027792B1 (en) 1999-11-23 2006-04-11 Micro Linear Corporation Topology for a single ended input dual balanced mixer
US7076217B1 (en) 1999-11-23 2006-07-11 Micro Linear Corporation Integrated radio transceiver
DE10043730C1 (de) * 2000-09-05 2002-04-18 Infineon Technologies Ag Verfahren und Vorrichtung zur zeitlichen Korrektur eines Datensignals
EP1542384A4 (de) 2002-08-28 2007-06-20 Fujitsu Ltd Sende-/empfangsvorrichtung und sende-/empfangsverfahren
JP2006520928A (ja) * 2003-03-21 2006-09-14 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 複屈折光学素子、複屈折光学素子を有するｌｃｄデバイス、および複屈折光学素子の製造方法
KR20050066562A (ko) * 2003-12-26 2005-06-30 삼성전자주식회사 직교 주파수 분할 다중화 방식의 무선 통신 시스템에서의프레임 프리앰블 구성 방법 및 그 프리앰블을 이용한프레임 동기 획득 및 셀 검색 방법
US7346003B2 (en) * 2004-07-02 2008-03-18 Texas Instruments Incorporated Method of increasing noise immunity with a simulated preamble
JP4486950B2 (ja) * 2005-11-30 2010-06-23 三星電機株式会社 Ｏｑｐｓｋ復調器のタイミング推定器
JP4424378B2 (ja) * 2007-06-13 2010-03-03 ソニー株式会社 フレーム同期装置及びその制御方法
JP2012109894A (ja) 2010-11-19 2012-06-07 Renesas Electronics Corp 受信回路
CN106549893B (zh) * 2015-09-16 2019-08-02 中国航空工业第六一八研究所 一种无人机数据链路频偏检测方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE460086B (sv) * 1987-11-27 1989-09-04 Ericsson Telefon Ab L M Anordning foer korrigering av frekvensen i en koherent mottagare
US5093846A (en) * 1990-06-15 1992-03-03 Sundstrand Data Control, Inc. Signal acquisition using modulation by a preselected code group
JP2623375B2 (ja) * 1991-03-07 1997-06-25 松下電器産業株式会社 データ受信装置
DE69224687T2 (de) * 1991-07-30 1998-07-02 Nec Corp Trägerfrequenz-Fehlerdetektorschaltung zur genauen Feststellung eines Trägerfrequenzfehlers
JPH05167630A (ja) * 1991-12-12 1993-07-02 Nec Corp ユニークワード検出器
US5282227A (en) * 1992-05-21 1994-01-25 The Titan Corporation Communication signal detection and acquisition
AU4574596A (en) * 1995-04-19 1996-10-31 Motorola, Inc. Receiver and associated method for timing recovery and frequency estimation

Also Published As

Publication number Publication date
EP0833482B1 (de) 2003-12-03
US6016329A (en) 2000-01-18
CA2214163A1 (en) 1998-03-27
CA2214163C (en) 2001-07-31
EP0833482A3 (de) 2001-08-16
EP0833482A2 (de) 1998-04-01

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Legal Events

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8332 No legal effect for de