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FR2805690B1 - Procede d'estimation d'un ecart de frequence radio, et recepteur de radiocommunication mettant en oeuvre le procede - Google Patents

Procede d'estimation d'un ecart de frequence radio, et recepteur de radiocommunication mettant en oeuvre le procede

Info

Publication number
FR2805690B1
FR2805690B1 FR0002398A FR0002398A FR2805690B1 FR 2805690 B1 FR2805690 B1 FR 2805690B1 FR 0002398 A FR0002398 A FR 0002398A FR 0002398 A FR0002398 A FR 0002398A FR 2805690 B1 FR2805690 B1 FR 2805690B1
Authority
FR
France
Prior art keywords
estimating
communication receiver
frequency gap
radio frequency
radio communication
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
FR0002398A
Other languages
English (en)
Other versions
FR2805690A1 (fr
Inventor
Zied Malouche
Rached Nidham Ben
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.)
BlackBerry Ltd
Original Assignee
Nortel Matra Cellular SCA
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 Nortel Matra Cellular SCA filed Critical Nortel Matra Cellular SCA
Priority to FR0002398A priority Critical patent/FR2805690B1/fr
Priority to US10/204,615 priority patent/US20030138064A1/en
Priority to PCT/FR2001/000537 priority patent/WO2001065792A1/fr
Publication of FR2805690A1 publication Critical patent/FR2805690A1/fr
Application granted granted Critical
Publication of FR2805690B1 publication Critical patent/FR2805690B1/fr
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
    • H04L27/18—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
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/042—Detectors therefor, e.g. correlators, state machines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • 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
    • 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
    • H04L2027/0063—Elements of loops
    • H04L2027/0065—Frequency error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Noise Elimination (AREA)
FR0002398A 2000-02-25 2000-02-25 Procede d'estimation d'un ecart de frequence radio, et recepteur de radiocommunication mettant en oeuvre le procede Expired - Fee Related FR2805690B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0002398A FR2805690B1 (fr) 2000-02-25 2000-02-25 Procede d'estimation d'un ecart de frequence radio, et recepteur de radiocommunication mettant en oeuvre le procede
US10/204,615 US20030138064A1 (en) 2000-02-25 2001-02-23 Method of estimating a radio frequency offset based on sequences of predefined symbols, and receiver implementing said method
PCT/FR2001/000537 WO2001065792A1 (fr) 2000-02-25 2001-02-23 Procede d'estimation d'un ecart de frequence radio sur la base de sequences de symboles predefinis, et recepteur mettant en oeuvre le procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0002398A FR2805690B1 (fr) 2000-02-25 2000-02-25 Procede d'estimation d'un ecart de frequence radio, et recepteur de radiocommunication mettant en oeuvre le procede

Publications (2)

Publication Number Publication Date
FR2805690A1 FR2805690A1 (fr) 2001-08-31
FR2805690B1 true FR2805690B1 (fr) 2003-07-04

Family

ID=8847408

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0002398A Expired - Fee Related FR2805690B1 (fr) 2000-02-25 2000-02-25 Procede d'estimation d'un ecart de frequence radio, et recepteur de radiocommunication mettant en oeuvre le procede

Country Status (3)

Country Link
US (1) US20030138064A1 (fr)
FR (1) FR2805690B1 (fr)
WO (1) WO2001065792A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7123670B2 (en) * 2001-09-24 2006-10-17 Atheros Communications, Inc. Fine frequency offset estimation and calculation and use to improve communication system performance
EP2709330B1 (fr) * 2012-09-12 2019-01-16 MStar Semiconductor, Inc Estimation de décalage de fréquence assistée par des données numériques
JP6540295B2 (ja) * 2015-07-09 2019-07-10 富士通株式会社 適応等化回路、ディジタルコヒーレント受信器および適応等化方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5245611A (en) * 1991-05-31 1993-09-14 Motorola, Inc. Method and apparatus for providing carrier frequency offset compensation in a tdma communication system
DE4132200A1 (de) * 1991-09-27 1993-04-01 Aeg Mobile Communication Zeitmultiplex-verfahren zur bestimmung der mittleren phasenaenderung eines empfangssignals
US5440347A (en) * 1993-05-07 1995-08-08 Philips Electronics North America Corporation Method and apparatus for randomizing training sequences to minimize interference in digital transmissions
FI96257C (fi) * 1994-04-13 1996-05-27 Nokia Telecommunications Oy Menetelmä radiotaajuisen signaalin vaihevirheen määrittämiseksi, sekä vastaanotin
CN1158786C (zh) * 1997-03-04 2004-07-21 三菱电机株式会社 带频率偏移校正功能的接收机
GB9815656D0 (en) * 1998-07-17 1998-09-16 Nokia Telecommunications Oy Compensation of doppler shift in a mobile communication system

Also Published As

Publication number Publication date
US20030138064A1 (en) 2003-07-24
WO2001065792A1 (fr) 2001-09-07
FR2805690A1 (fr) 2001-08-31

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Legal Events

Date Code Title Description
CD Change of name or company name
CD Change of name or company name
CJ Change in legal form
TP Transmission of property
TP Transmission of property

Owner name: ROCKSTAR BIDCO, LP, US

Effective date: 20121206

TP Transmission of property

Owner name: RESEARCH IN MOTION LIMITED, CA

Effective date: 20130226

ST Notification of lapse

Effective date: 20151030