TW373375B - Receiver for M-ary FSK signals - Google Patents

Receiver for M-ary FSK signals

Info

Publication number
TW373375B
TW373375B TW085114201A TW85114201A TW373375B TW 373375 B TW373375 B TW 373375B TW 085114201 A TW085114201 A TW 085114201A TW 85114201 A TW85114201 A TW 85114201A TW 373375 B TW373375 B TW 373375B
Authority
TW
Taiwan
Prior art keywords
symbols
receiver
ary fsk
delay
give
Prior art date
Application number
TW085114201A
Other languages
English (en)
Inventor
Charles John H Razzell
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of TW373375B publication Critical patent/TW373375B/zh

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
    • 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
    • H04L27/18—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)
TW085114201A 1995-11-17 1996-11-19 Receiver for M-ary FSK signals TW373375B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9523578.4A GB9523578D0 (en) 1995-11-17 1995-11-17 Demodulator

Publications (1)

Publication Number Publication Date
TW373375B true TW373375B (en) 1999-11-01

Family

ID=10784069

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085114201A TW373375B (en) 1995-11-17 1996-11-19 Receiver for M-ary FSK signals

Country Status (9)

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

Families Citing this family (25)

* 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
US7548726B1 (en) 1999-10-21 2009-06-16 Broadcom Corporation Adaptive radio transceiver with a bandpass filter
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
US6987966B1 (en) 1999-10-21 2006-01-17 Broadcom Corporation Adaptive radio transceiver with polyphase calibration
US6961546B1 (en) * 1999-10-21 2005-11-01 Broadcom Corporation Adaptive radio transceiver with offset PLL with subsampling mixers
US7558556B1 (en) 1999-10-21 2009-07-07 Broadcom Corporation Adaptive radio transceiver with subsampling mixers
US8014724B2 (en) 1999-10-21 2011-09-06 Broadcom Corporation System and method for signal limiting
US7299006B1 (en) * 1999-10-21 2007-11-20 Broadcom Corporation Adaptive radio transceiver
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
WO2004100475A2 (en) * 2003-05-05 2004-11-18 Thomson Licensing S.A. Adaptive soft demodulation for reception of distorted signals
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
CN101120567B (zh) * 2005-01-11 2011-09-28 高通股份有限公司 生成用于两层QPSK turbo解码的比特LLR值的方法及相关UT、处理器
US7792209B2 (en) * 2005-10-06 2010-09-07 Honeywell International Inc. Digital DPSK demodulation method and system
WO2008006768A1 (de) * 2006-07-14 2008-01-17 Nokia Siemens Networks Gmbh & Co. Kg 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 (fr) * 2010-12-23 2017-12-13 The Swatch Group Research and Development Ltd. Récepteur de signaux radiofréquences FSK avec un démodulateur à haute sensibilité ainsi que procédé pour sa mise en action
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 (en) 2004-08-04
DE69633052T2 (de) 2005-08-11
JPH10513032A (ja) 1998-12-08
GB9523578D0 (en) 1996-01-17
DE69633052D1 (de) 2004-09-09
KR100459741B1 (ko) 2005-01-27
EP0804847A1 (en) 1997-11-05
KR19980701440A (ko) 1998-05-15
US5805017A (en) 1998-09-08
WO1997019539A1 (en) 1997-05-29
CN1176723A (zh) 1998-03-18

Similar Documents

Publication Publication Date Title
TW373375B (en) Receiver for M-ary FSK signals
EP1058411A3 (en) Spread spectrum communication system
WO2002027958A3 (en) Method and apparatus for processing paging indicator bits transmitted on a quick paging channel
CA2395171A1 (en) Method and devices for transmitting and receiving information
EP0332290A3 (en) Equaliser for radio receiver
FI961841A7 (fi) Kvadratuuridesimaatioasteella varustettu vastaanotin, menetelmä digitaalisten signaalien prosessoimiseksi
EP0795978A3 (en) Frequency control for frequency division channels
TW327711B (en) DSP implementation of a cellular base station receiver
WO1997021294A3 (en) Cellular communication system with dynamically modified data transmission parameters
EP0772330A3 (en) Receiver and method for receiving OFDM signals
WO2002011294A3 (en) Multi-protocol receiver
AU5695796A (en) A reception method and a receiver
BR9406692A (pt) Processo para determinar a possibilidade de utilização de sinais recebidos em sistema de comunicação aparelho para receptor e receptor
EP0715481A4 (en) COMMUNICATION SYSTEM, BASE STATION, MOBILE STATION AND RADIO COMMUNICATION SYSTEM
SE9801958D0 (sv) Filter-coprocessor
WO2001080506A3 (en) Receiver for use in a code shift keying spread spectrum communications system
CA2008754A1 (en) Spread spectrum signal demodulator
WO1995028772A3 (en) Receiving method and receiver
EP0833478A3 (en) Pattern matching apparatus
AU2002223559A1 (en) Searching for signals in a communications system
WO2003058844A8 (en) Method and receiver for reception of a composite signal
WO2002043270A3 (en) Determinant-based synchronization techniques and systems
WO1999010988A3 (en) Spread spectrum communication device
WO2002023746A3 (de) Verfahren zur systemunabhängigen digitalen auswertung von mobilkommunikations-empfangssignalen verschiedener mobilfunkstandards
EP0998134A3 (en) Receiver and receiving-decoding method