FR2703861B1 - Dispositif et procédé de numérisation directe de phase. - Google Patents

Dispositif et procédé de numérisation directe de phase.

Info

Publication number
FR2703861B1
FR2703861B1 FR9404003A FR9404003A FR2703861B1 FR 2703861 B1 FR2703861 B1 FR 2703861B1 FR 9404003 A FR9404003 A FR 9404003A FR 9404003 A FR9404003 A FR 9404003A FR 2703861 B1 FR2703861 B1 FR 2703861B1
Authority
FR
France
Prior art keywords
direct phase
phase digitization
digitization
direct
phase
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
FR9404003A
Other languages
English (en)
Other versions
FR2703861A1 (fr
Inventor
Christopher P Larosa
Michael J Carney
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FR2703861A1 publication Critical patent/FR2703861A1/fr
Application granted granted Critical
Publication of FR2703861B1 publication Critical patent/FR2703861B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • 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
    • H04L27/2335—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal
    • H04L27/2337—Demodulator circuits; Receiver circuits using non-coherent demodulation using temporal properties of the received signal using digital techniques to measure the time between zero-crossings

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Circuits Of Receivers In General (AREA)
FR9404003A 1993-04-08 1994-04-06 Dispositif et procédé de numérisation directe de phase. Expired - Fee Related FR2703861B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/044,530 US5461643A (en) 1993-04-08 1993-04-08 Direct phase digitizing apparatus and method

Publications (2)

Publication Number Publication Date
FR2703861A1 FR2703861A1 (fr) 1994-10-14
FR2703861B1 true FR2703861B1 (fr) 1999-10-29

Family

ID=21932905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9404003A Expired - Fee Related FR2703861B1 (fr) 1993-04-08 1994-04-06 Dispositif et procédé de numérisation directe de phase.

Country Status (9)

Country Link
US (1) US5461643A (fr)
JP (1) JP3107703B2 (fr)
KR (1) KR970004788B1 (fr)
CN (1) CN1072417C (fr)
CA (1) CA2120094C (fr)
FR (1) FR2703861B1 (fr)
GB (1) GB2277426B (fr)
MY (1) MY110703A (fr)
SG (1) SG46286A1 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5875212A (en) * 1994-10-26 1999-02-23 International Business Machines Corporation Phase demodulation method and apparatus for a wireless LAN, by counting the IF period
US5751762A (en) * 1996-02-15 1998-05-12 Ericsson Inc. Multichannel receiver using analysis by synthesis
US6067363A (en) * 1996-06-03 2000-05-23 Ericsson Inc. Audio A/D convertor using frequency modulation
US5661433A (en) * 1996-06-27 1997-08-26 Motorola, Inc. Digital FM demodulator
US5903825A (en) * 1996-06-27 1999-05-11 Motorola, Inc. Digital FM receiver back end
US5937341A (en) * 1996-09-13 1999-08-10 University Of Washington Simplified high frequency tuner and tuning method
US6148050A (en) * 1997-12-01 2000-11-14 Ericsson Inc Phase digitizer for radio communications
US6112071A (en) * 1998-02-23 2000-08-29 Tropian, Inc. Quadrature-free RF receiver for directly receiving angle modulated signal
US6630897B2 (en) 1999-10-28 2003-10-07 Cellonics Incorporated Pte Ltd Method and apparatus for signal detection in ultra wide-band communications
US6452530B2 (en) 1999-10-28 2002-09-17 The National University Of Singapore Method and apparatus for a pulse decoding communication system using multiple receivers
US20010031023A1 (en) * 1999-10-28 2001-10-18 Kin Mun Lye Method and apparatus for generating pulses from phase shift keying analog waveforms
TW496035B (en) * 2000-04-25 2002-07-21 Univ Singapore Method and apparatus for a digital clock multiplication circuit
US6907090B2 (en) 2001-03-13 2005-06-14 The National University Of Singapore Method and apparatus to recover data from pulses
US20020196865A1 (en) * 2001-06-25 2002-12-26 The National University Of Singapore Cycle-by-cycle synchronous waveform shaping circuits based on time-domain superpostion and convolution
US7054360B2 (en) * 2001-11-05 2006-05-30 Cellonics Incorporated Pte, Ltd. Method and apparatus for generating pulse width modulated waveforms
US20030103583A1 (en) * 2001-12-04 2003-06-05 National University Of Singapore Method and apparatus for multi-level phase shift keying communications
US20030112862A1 (en) * 2001-12-13 2003-06-19 The National University Of Singapore Method and apparatus to generate ON-OFF keying signals suitable for communications
US6724269B2 (en) 2002-06-21 2004-04-20 Cellonics Incorporated Pte., Ltd. PSK transmitter and correlator receiver for UWB communications system
US7218697B2 (en) * 2003-11-25 2007-05-15 Itt Manufacturing Enterprises, Inc. Digital phase detector for periodically alternating signals
US7272375B2 (en) 2004-06-30 2007-09-18 Silicon Laboratories Inc. Integrated low-IF terrestrial audio broadcast receiver and associated method
US7864911B2 (en) * 2006-09-13 2011-01-04 Sony Corporation System and method for implementing a phase detector to support a data transmission procedure
US20160057255A1 (en) * 2014-08-22 2016-02-25 Mediatek Inc. Unified communications receiver and associated method

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667050A (en) * 1970-11-27 1972-05-30 North American Rockwell Coarse carrier phase correction system
US3934205A (en) * 1975-01-27 1976-01-20 International Telephone And Telegraph Corporation Frequency lock loop employing a gated frequency difference detector having positive, zero and negative threshold detectors
US4555667A (en) * 1983-09-26 1985-11-26 Rixon, Inc. Synchronous digital QPSK demodulator with carrier error correction
CA2044252C (fr) * 1989-10-23 1999-08-17 Shigeki Saito Demodulateur numerique
EP0434355A3 (en) * 1989-12-18 1993-02-24 Nec Corporation Differential phase demodulator for psk-modulated signals
US5270666A (en) * 1989-12-22 1993-12-14 Nokia Mobile Phones, Ltd. Method and circuitry for demodulation of angle modulated signals by measuring cycle time
US5084669A (en) * 1990-03-08 1992-01-28 Telefonaktiebolaget L M Ericsson Direct phase digitization
US5220275A (en) * 1991-07-26 1993-06-15 Ericsson Ge Mobile Communication Holding, Inc. Accumulator phase digitizer
US5289505A (en) * 1991-12-13 1994-02-22 Motorola, Inc. Frequency translation apparatus and method
WO1993012578A1 (fr) * 1991-12-13 1993-06-24 Motorola, Inc. Procede et appareil de numerisation en phase directe
US5299232A (en) * 1992-03-26 1994-03-29 Motorola, Inc. Phase compensation method and apparatus

Also Published As

Publication number Publication date
GB2277426B (en) 1997-07-02
MY110703A (en) 1999-01-30
JP3107703B2 (ja) 2000-11-13
CA2120094A1 (fr) 1994-10-09
CN1100859A (zh) 1995-03-29
GB9406355D0 (en) 1994-05-25
CN1072417C (zh) 2001-10-03
JPH0774792A (ja) 1995-03-17
KR970004788B1 (ko) 1997-04-03
FR2703861A1 (fr) 1994-10-14
GB2277426A (en) 1994-10-26
US5461643A (en) 1995-10-24
KR940025220A (ko) 1994-11-19
SG46286A1 (en) 1998-02-20
CA2120094C (fr) 1999-04-13

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Legal Events

Date Code Title Description
ST Notification of lapse