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
Authority: FR; France
Prior art keywords: radiotelephone; same; time slots; adaptive filtering; synchronizing frequency
Prior art date: 1990-12-17
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)

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.)

1990-12-17

Filing date

1991-12-17

Publication date

1994-11-04

1991-12-17 Application filed by Motorola Inc filed Critical Motorola Inc

1992-07-03 Publication of FR2671248A1 publication Critical patent/FR2671248A1/fr

1994-11-04 Application granted granted Critical

1994-11-04 Publication of FR2671248B1 publication Critical patent/FR2671248B1/fr

2011-12-17 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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 (fr)
CA (1)	CA2071552C (fr)
DE (2)	DE4193255C2 (fr)
FR (1)	FR2671248B1 (fr)
GB (1)	GB2256993B (fr)
IL (1)	IL100366A (fr)
IT (1)	IT1250962B (fr)
SE (1)	SE504792C2 (fr)
WO (1)	WO1992011706A1 (fr)

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 (fr) *	1988-08-15	1991-09-10	John D. Mcnicol	Extraction sans sequence de synchronisation initiale du signal d'horloge etde la porteuse faisant partie d'un signal amrt
ATE98070T1 (de) *	1989-03-16	1993-12-15	Siemens Ag	Schaltung zur erkennung eines frequenzreferenzsignals.

1991
- 1991-12-11 DE DE4193255A patent/DE4193255C2/de not_active Expired - Lifetime
- 1991-12-11 WO PCT/US1991/009409 patent/WO1992011706A1/fr active Application Filing
- 1991-12-11 GB GB9216946A patent/GB2256993B/en not_active Expired - Lifetime
- 1991-12-11 DE DE19914193255 patent/DE4193255T/de active Pending
- 1991-12-11 AU AU91692/91A patent/AU636263B2/en not_active Ceased
- 1991-12-11 CA CA002071552A patent/CA2071552C/fr not_active Expired - Fee Related
- 1991-12-13 IL IL10036691A patent/IL100366A/en not_active IP Right Cessation
- 1991-12-17 FR FR9115662A patent/FR2671248B1/fr not_active Expired - Lifetime
- 1991-12-17 IT ITRM910944A patent/IT1250962B/it active IP Right Grant
1992
- 1992-08-14 SE SE9202350A patent/SE504792C2/sv not_active IP Right Cessation

Also Published As

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

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