DE69829661D1 - Weichentscheidungsverfahren und -Vorrichtung bei einer 8PSK Demodulation - Google Patents

Weichentscheidungsverfahren und -Vorrichtung bei einer 8PSK Demodulation

Info

Publication number
DE69829661D1
DE69829661D1 DE69829661T DE69829661T DE69829661D1 DE 69829661 D1 DE69829661 D1 DE 69829661D1 DE 69829661 T DE69829661 T DE 69829661T DE 69829661 T DE69829661 T DE 69829661T DE 69829661 D1 DE69829661 D1 DE 69829661D1
Authority
DE
Germany
Prior art keywords
soft decision
decision method
8psk demodulation
8psk
demodulation
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
DE69829661T
Other languages
English (en)
Other versions
DE69829661T2 (de
Inventor
Ralf Boehnke
Thomas Doelle
Tino Konschak
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.)
Sony Deutschland GmbH
Original Assignee
Sony International Europe GmbH
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 Sony International Europe GmbH filed Critical Sony International Europe GmbH
Application granted granted Critical
Publication of DE69829661D1 publication Critical patent/DE69829661D1/de
Publication of DE69829661T2 publication Critical patent/DE69829661T2/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
    • H04L27/227—Demodulator circuits; Receiver circuits using coherent demodulation
    • H04L27/2271—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals
    • H04L27/2273—Demodulator circuits; Receiver circuits using coherent demodulation wherein the carrier recovery circuit uses only the demodulated signals associated with quadrature demodulation, e.g. Costas loop
    • 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
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0046—Open loops
DE1998629661 1998-09-17 1998-09-17 Weichentscheidungsverfahren und-vorrichtung bei einer 8-PSK-Demodulation Expired - Lifetime DE69829661T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19980117678 EP0987863B1 (de) 1998-09-17 1998-09-17 Weichentscheidungsverfahren und -Vorrichtung bei einer 8PSK Demodulation

Publications (2)

Publication Number Publication Date
DE69829661D1 true DE69829661D1 (de) 2005-05-12
DE69829661T2 DE69829661T2 (de) 2006-03-09

Family

ID=8232652

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1998629661 Expired - Lifetime DE69829661T2 (de) 1998-09-17 1998-09-17 Weichentscheidungsverfahren und-vorrichtung bei einer 8-PSK-Demodulation

Country Status (2)

Country Link
EP (1) EP0987863B1 (de)
DE (1) DE69829661T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1705852B1 (de) 1999-01-08 2010-02-10 Sony Deutschland Gmbh Synchronisierungssymbolstruktur für ein OFDM-System
FR2811181B1 (fr) * 2000-06-29 2005-08-12 Sagem Procede d'egalisation d'un signal transmis via un canal et utilisation en telephonie mobile
US6983029B2 (en) 2000-12-15 2006-01-03 Maxim Integrated Products, Inc. Blind channel estimation and data detection for PSK OFDM-based receivers
KR100800882B1 (ko) * 2001-08-14 2008-02-04 삼성전자주식회사 8진 위상 천이 변조 방식을 사용하는 통신 시스템에서의 복조 장치 및 방법
KR100468583B1 (ko) * 2002-09-02 2005-01-31 엘지전자 주식회사 통신시스템 수신기의 에러정정장치
GB0229320D0 (en) 2002-12-17 2003-01-22 Koninkl Philips Electronics Nv Signal processing method and apparatus
US8879653B2 (en) 2009-08-07 2014-11-04 Nitero Pty Limited Soft-demapping of QAM signals
WO2012070369A1 (ja) 2010-11-26 2012-05-31 三菱電機株式会社 軟判定値生成回路
CN109962875B (zh) * 2017-12-22 2023-03-28 海思光电子有限公司 信号处理方法、装置及存储介质
CN109861943B (zh) * 2018-11-30 2021-07-06 深圳市统先科技股份有限公司 多维8psk信号的译码方法、译码器及接收机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250458A (en) * 1979-05-31 1981-02-10 Digital Communications Corporation Baseband DC offset detector and control circuit for DC coupled digital demodulator
US5311545A (en) * 1991-06-17 1994-05-10 Hughes Aircraft Company Modem for fading digital channels affected by multipath

Also Published As

Publication number Publication date
DE69829661T2 (de) 2006-03-09
EP0987863A1 (de) 2000-03-22
EP0987863B1 (de) 2005-04-06

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Legal Events

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