FR2671248B1 - Procede de synchronisation de frequence et de tranches de temps a l'aide d'un filtrage adaptatif, et radiotelephone utilisant ce procede. - Google Patents

Procede de synchronisation de frequence et de tranches de temps a l'aide d'un filtrage adaptatif, et radiotelephone utilisant ce procede.

Info

Publication number
FR2671248B1
FR2671248B1 FR9115662A FR9115662A FR2671248B1 FR 2671248 B1 FR2671248 B1 FR 2671248B1 FR 9115662 A FR9115662 A FR 9115662A FR 9115662 A FR9115662 A FR 9115662A FR 2671248 B1 FR2671248 B1 FR 2671248B1
Authority
FR
France
Prior art keywords
radiotelephone
same
time slots
adaptive filtering
synchronizing frequency
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 - Lifetime
Application number
FR9115662A
Other languages
English (en)
French (fr)
Other versions
FR2671248A1 (fr
Inventor
Arvind S Arora
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 FR2671248A1 publication Critical patent/FR2671248A1/fr
Application granted granted Critical
Publication of FR2671248B1 publication Critical patent/FR2671248B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2675—Frequency synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H04B7/2681—Synchronisation of a mobile station with one base station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • 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
    • H04L2007/047—Speed or phase control by synchronisation signals using special codes as synchronising signal using a sine signal or unmodulated carrier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
FR9115662A 1990-12-17 1991-12-17 Procede de synchronisation de frequence et de tranches de temps a l'aide d'un filtrage adaptatif, et radiotelephone utilisant ce procede. Expired - Lifetime FR2671248B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US62853590A 1990-12-17 1990-12-17

Publications (2)

Publication Number Publication Date
FR2671248A1 FR2671248A1 (fr) 1992-07-03
FR2671248B1 true FR2671248B1 (fr) 1994-11-04

Family

ID=24519302

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9115662A Expired - Lifetime FR2671248B1 (fr) 1990-12-17 1991-12-17 Procede de synchronisation de frequence et de tranches de temps a l'aide d'un filtrage adaptatif, et radiotelephone utilisant ce procede.

Country Status (9)

Country Link
AU (1) AU636263B2 (enrdf_load_stackoverflow)
CA (1) CA2071552C (enrdf_load_stackoverflow)
DE (2) DE4193255C2 (enrdf_load_stackoverflow)
FR (1) FR2671248B1 (enrdf_load_stackoverflow)
GB (1) GB2256993B (enrdf_load_stackoverflow)
IL (1) IL100366A (enrdf_load_stackoverflow)
IT (1) IT1250962B (enrdf_load_stackoverflow)
SE (1) SE504792C2 (enrdf_load_stackoverflow)
WO (1) WO1992011706A1 (enrdf_load_stackoverflow)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2709894B1 (fr) * 1993-09-10 1995-10-20 Alcatel Mobile Comm France Procédé de détermination, par une station mobile d'un système de radiocommunications cellulaire, du type de la cellule à laquelle elle est rattachée, station mobile et station de base.
US5761250A (en) * 1995-08-15 1998-06-02 Rockwell International Corporation Iterative filtering frequency estimator and estimation method
JP3088338B2 (ja) * 1997-05-28 2000-09-18 埼玉日本電気株式会社 無線電話装置
DE19722219A1 (de) * 1997-05-28 1998-12-03 Alsthom Cge Alcatel Funkkommunikationssystem mit einer ortsfesten und einer beweglichen Funkvorrichtung
US6278699B1 (en) 1998-06-22 2001-08-21 Telefonaktiebolaget Lm Ericsson (Publ) Synchronization techniques and systems for spread spectrum radiocommunication
US6356608B1 (en) * 1998-06-29 2002-03-12 Telefonaktiebolaget Lm Ericsson (Publ) Method, apparatus, and system for determining a location of a frequency synchronization signal
US6473420B1 (en) * 2001-02-16 2002-10-29 Harris Corporation Wideband ranging process for frequency acquisition
GB2534603B (en) 2015-01-29 2019-07-31 Michell Instruments Ltd System for analysing the frequency of a signal, a method thereof and a system for measuring the relative phase between two input signals

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4317220A (en) * 1979-02-05 1982-02-23 Andre Martin Simulcast transmission system
US4466130A (en) * 1982-10-04 1984-08-14 Ael Microtel Limited Two pilot frequency control for communication systems
DE3508069C2 (de) * 1985-03-07 1993-12-02 Aeg Mobile Communication Gleichwellenfunkgerät mit nachgeregelter Senderfrequenz
GB8604981D0 (en) * 1986-02-28 1986-04-09 Mcgeehan J P Data transmission
CA1288878C (en) * 1988-08-15 1991-09-10 John D. Mcnicol Timing and carrier recovery in tdma without preamable sequence
ES2046564T3 (es) * 1989-03-16 1994-02-01 Siemens Aktiengesellschaft Circuito para el reconocimiento de una senal de referencia de la frecuencia.

Also Published As

Publication number Publication date
ITRM910944A0 (it) 1991-12-17
SE9202350D0 (sv) 1992-08-14
GB2256993B (en) 1995-06-21
WO1992011706A1 (en) 1992-07-09
IL100366A0 (en) 1992-09-06
SE9202350L (sv) 1992-08-14
GB9216946D0 (en) 1992-10-07
FR2671248A1 (fr) 1992-07-03
AU636263B2 (en) 1993-04-22
GB2256993A (en) 1992-12-23
CA2071552A1 (en) 1992-06-18
IL100366A (en) 1995-05-26
CA2071552C (en) 1997-02-25
DE4193255C2 (de) 1997-02-20
IT1250962B (it) 1995-04-24
SE504792C2 (sv) 1997-04-28
ITRM910944A1 (it) 1993-06-17
AU9169291A (en) 1992-07-22
DE4193255T (enrdf_load_stackoverflow) 1992-12-10

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