NO912819D0 - Demodulasjon av digitalt modulert signal. - Google Patents

Demodulasjon av digitalt modulert signal.

Info

Publication number
NO912819D0
NO912819D0 NO912819A NO912819A NO912819D0 NO 912819 D0 NO912819 D0 NO 912819D0 NO 912819 A NO912819 A NO 912819A NO 912819 A NO912819 A NO 912819A NO 912819 D0 NO912819 D0 NO 912819D0
Authority
NO
Norway
Prior art keywords
demodulation
modulated signal
digital modulated
digital
signal
Prior art date
Application number
NO912819A
Other languages
English (en)
Other versions
NO303370B1 (no
NO912819L (no
Inventor
Masaaki Makino
Original Assignee
Tokyo Electric Co Ltd
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 Tokyo Electric Co Ltd filed Critical Tokyo Electric Co Ltd
Publication of NO912819D0 publication Critical patent/NO912819D0/no
Publication of NO912819L publication Critical patent/NO912819L/no
Publication of NO303370B1 publication Critical patent/NO303370B1/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
    • H04L7/0334—Processing of samples having at least three levels, e.g. soft decisions
NO912819A 1990-07-19 1991-07-18 Demodulasjon av et modulert signal NO303370B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19109490 1990-07-19
JP11057591A JP2679889B2 (ja) 1990-07-19 1991-05-15 無線通信装置及びその装置の受信制御方式

Publications (3)

Publication Number Publication Date
NO912819D0 true NO912819D0 (no) 1991-07-18
NO912819L NO912819L (no) 1992-01-20
NO303370B1 NO303370B1 (no) 1998-06-29

Family

ID=26450179

Family Applications (1)

Application Number Title Priority Date Filing Date
NO912819A NO303370B1 (no) 1990-07-19 1991-07-18 Demodulasjon av et modulert signal

Country Status (7)

Country Link
US (1) US5111152A (no)
EP (1) EP0467306B1 (no)
JP (1) JP2679889B2 (no)
KR (1) KR950005162B1 (no)
CA (1) CA2047308C (no)
DE (1) DE69126071T2 (no)
NO (1) NO303370B1 (no)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2692420A1 (fr) * 1992-06-11 1993-12-17 Sgs Thomson Microelectronics Procédé et dispositif d'asservissement en fréquence et phase d'un oscillateur.
DE4221476A1 (de) * 1992-06-30 1994-01-05 Siemens Ag Verfahren und Anordnung zur Regeneration eines Binärsignals
JP2639326B2 (ja) * 1993-11-30 1997-08-13 日本電気株式会社 四値ｆｓｋ受信機
US5453715A (en) * 1994-08-15 1995-09-26 Motorola, Inc. Communication device with efficient multi-level digital demodulator
KR0178750B1 (ko) * 1996-02-13 1999-05-15 김광호 전-디지탈 심볼타이밍 복구장치
GB2322042B (en) * 1997-02-05 2002-02-06 Ericsson Telefon Ab L M Radio architecture
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
JP3179429B2 (ja) * 1999-01-29 2001-06-25 日本電気アイシーマイコンシステム株式会社 周波数測定用テスト回路及びそれを備えた半導体集積回路
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
WO2003003194A1 (fr) * 2001-06-27 2003-01-09 Sony Corporation Dispositif a circuit integre, dispositif de traitement de l'information, procede de gestion de memoire de support d'information, terminal mobile, dispositif a circuit integre a semi-conducteur, et procede de communication par terminal mobile
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
JP2003229920A (ja) * 2002-02-01 2003-08-15 General Res Of Electronics Inc Ｆｓｋ復調信号の中心レベル検出補正回路
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US8184738B2 (en) 2005-09-28 2012-05-22 Nec Corporation Clock reproducing apparatus and method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60183862A (ja) * 1984-03-02 1985-09-19 Toshiba Corp デイジタル信号処理回路
NL8603110A (nl) * 1986-12-08 1988-07-01 Philips Nv Schakeling voor het terugwinnen van een draaggolf.
EP0296253B1 (en) * 1987-01-12 1995-06-28 Fujitsu Limited Discrimination timing control circuit
JPH01240024A (ja) * 1988-03-22 1989-09-25 Nippon Telegr & Teleph Corp <Ntt> クロック再生回路
US5001724A (en) * 1989-01-13 1991-03-19 Hewlett-Packard Company Method and apparatus for measuring phase accuracy and amplitude profile of a continuous-phase-modulated signal
US4887050A (en) * 1989-03-31 1989-12-12 Motorola, Inc. Frequency control apparatus and method for a digital radio receiver

Also Published As

Publication number Publication date
EP0467306A3 (en) 1993-06-02
KR950005162B1 (ko) 1995-05-19
NO303370B1 (no) 1998-06-29
DE69126071D1 (de) 1997-06-19
CA2047308A1 (en) 1992-01-20
NO912819L (no) 1992-01-20
CA2047308C (en) 1997-05-06
US5111152A (en) 1992-05-05
DE69126071T2 (de) 1997-08-28
EP0467306B1 (en) 1997-05-14
JP2679889B2 (ja) 1997-11-19
JPH04229750A (ja) 1992-08-19
EP0467306A2 (en) 1992-01-22

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Free format text: LAPSED IN JANUARY 2003