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DE69633052D1 - Empfänger für m-stufige fsk-signale - Google Patents

Empfänger für m-stufige fsk-signale

Info

Publication number
DE69633052D1
DE69633052D1 DE69633052T DE69633052T DE69633052D1 DE 69633052 D1 DE69633052 D1 DE 69633052D1 DE 69633052 T DE69633052 T DE 69633052T DE 69633052 T DE69633052 T DE 69633052T DE 69633052 D1 DE69633052 D1 DE 69633052D1
Authority
DE
Germany
Prior art keywords
receiver
fsk signals
stage
stage fsk
signals
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
DE69633052T
Other languages
English (en)
Other versions
DE69633052T2 (de
Inventor
J Razzell
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE69633052D1 publication Critical patent/DE69633052D1/de
Publication of DE69633052T2 publication Critical patent/DE69633052T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/156—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width
    • H04L27/1566—Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using synchronous sampling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69633052T 1995-11-17 1996-11-13 Empfänger für m-stufige fsk-signale Expired - Fee Related DE69633052T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9523578 1995-11-17
GBGB9523578.4A GB9523578D0 (en) 1995-11-17 1995-11-17 Demodulator
PCT/IB1996/001218 WO1997019539A1 (en) 1995-11-17 1996-11-13 RECEIVER FOR M-ary FSK SIGNALS

Publications (2)

Publication Number Publication Date
DE69633052D1 true DE69633052D1 (de) 2004-09-09
DE69633052T2 DE69633052T2 (de) 2005-08-11

Family

ID=10784069

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69633052T Expired - Fee Related DE69633052T2 (de) 1995-11-17 1996-11-13 Empfänger für m-stufige fsk-signale

Country Status (9)

Country Link
US (1) US5805017A (de)
EP (1) EP0804847B1 (de)
JP (1) JPH10513032A (de)
KR (1) KR100459741B1 (de)
CN (1) CN1090860C (de)
DE (1) DE69633052T2 (de)
GB (1) GB9523578D0 (de)
TW (1) TW373375B (de)
WO (1) WO1997019539A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9617598D0 (en) * 1996-08-22 1996-10-02 Philips Electronics Nv M-ary fsk receiver
US6567474B1 (en) 1999-03-02 2003-05-20 Phonex Corporation Digital wireless phone/modem jack capable of communications over the power lines using differential binary phase shift keying (DBPSK)
US6304136B1 (en) 1999-03-03 2001-10-16 Level One Communications, Inc. Reduced noise sensitivity, high performance FM demodulator circuit and method
US7299006B1 (en) * 1999-10-21 2007-11-20 Broadcom Corporation Adaptive radio transceiver
US8014724B2 (en) 1999-10-21 2011-09-06 Broadcom Corporation System and method for signal limiting
US6961546B1 (en) 1999-10-21 2005-11-01 Broadcom Corporation Adaptive radio transceiver with offset PLL with subsampling mixers
US7113744B1 (en) 1999-10-21 2006-09-26 Broadcom Corporation Adaptive radio transceiver with a power amplifier
US7555263B1 (en) 1999-10-21 2009-06-30 Broadcom Corporation Adaptive radio transceiver
US7558556B1 (en) 1999-10-21 2009-07-07 Broadcom Corporation Adaptive radio transceiver with subsampling mixers
US6987966B1 (en) * 1999-10-21 2006-01-17 Broadcom Corporation Adaptive radio transceiver with polyphase calibration
US7082293B1 (en) 1999-10-21 2006-07-25 Broadcom Corporation Adaptive radio transceiver with CMOS offset PLL
US6594318B1 (en) * 1999-12-02 2003-07-15 Qualcomm Incorporated Method and apparatus for computing soft decision input metrics to a turbo decoder
US6909736B2 (en) * 2000-12-14 2005-06-21 Nokia Corporation System for method for fine acquisition of a spread spectrum signal
KR100435494B1 (ko) * 2001-11-21 2004-06-09 한국전자통신연구원 디지털 통신에서의 동기 수행 시스템 및 그 방법
FI20045220A0 (fi) * 2004-06-14 2004-06-14 Nokia Corp Tiedonsiirtomenetelmä ja vastaanotin
US7469022B2 (en) * 2004-11-23 2008-12-23 Via Technologies, Inc. Methods and apparatus for symmetrical phase-shift keying
EP1836822B1 (de) * 2005-01-11 2008-12-24 QUALCOMM Incorporated Modulation mit mehreren Auflösungen mit variablem Verhältnis der euklidischen Distanz und Blindempfänger
US7792209B2 (en) * 2005-10-06 2010-09-07 Honeywell International Inc. Digital DPSK demodulation method and system
ATE455421T1 (de) * 2006-07-14 2010-01-15 Nokia Siemens Networks Gmbh Empfängerstruktur und verfahren zur demodulation eines quadraturmodulierten signals
US8208585B2 (en) 2008-09-17 2012-06-26 Qualcomm Incorporated D-PSK demodulation based on correlation angle distribution
EP2469783B1 (de) * 2010-12-23 2017-12-13 The Swatch Group Research and Development Ltd. FSK-Funksignalempfänger mit hochempfindlichem Demodulator, sowie Verfahren zum Betrieb des Empfängers
CN102394721B (zh) * 2011-10-27 2014-07-02 优能通信科技（杭州）有限公司 一种软符号到软比特的有效映射算法
CN102739574B (zh) * 2012-06-06 2015-02-25 武汉邮电科学研究院 一种频域载波频率纠偏方法
CN105933062B (zh) * 2016-06-24 2019-03-29 中国人民解放军信息工程大学 一种远距离的水下可见光通信方法及系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4518922A (en) * 1983-01-17 1985-05-21 Harris Corporation Decision-directed, automatic frequency control technique for non-coherently demodulated M-ARY frequency shift keying
US4554509A (en) * 1984-08-27 1985-11-19 Hrb-Singer, Inc. Frequency shift keyed demodulation system
IL100029A (en) * 1991-11-11 1994-02-27 Motorola Inc Method and apparatus for improving detection of data bits in a slow frequency hopping communication system

Also Published As

Publication number Publication date
CN1090860C (zh) 2002-09-11
EP0804847B1 (de) 2004-08-04
GB9523578D0 (en) 1996-01-17
WO1997019539A1 (en) 1997-05-29
DE69633052T2 (de) 2005-08-11
KR100459741B1 (ko) 2005-01-27
KR19980701440A (ko) 1998-05-15
JPH10513032A (ja) 1998-12-08
TW373375B (en) 1999-11-01
EP0804847A1 (de) 1997-11-05
CN1176723A (zh) 1998-03-18
US5805017A (en) 1998-09-08

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee
8364 No opposition during term of opposition