CA2030607C - Methode pour maintenir une connexion etablie dans un systeme radio mobile comportant a la fois des canaux radio analogiques et numeriques - Google Patents

Methode pour maintenir une connexion etablie dans un systeme radio mobile comportant a la fois des canaux radio analogiques et numeriques Download PDF

Info

Publication number: CA2030607C
Authority: CA; Canada
Prior art keywords: radio channel; digital; radio; analog; channel
Prior art date: 1989-04-17
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 - Fee Related

Application number

CA002030607A

Other languages

English (en)

Other versions

CA2030607A1 (fr

Inventor

Jan Erik Ake Steiner Dahlin

Jan Erik Uddenfeldt

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.)

Telefonaktiebolaget LM Ericsson AB

Original Assignee

Telefonaktiebolaget LM Ericsson AB

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.)

1989-04-17

Filing date

1990-03-28

Publication date

2001-08-14

1989-04-17 Priority claimed from SE8901385A external-priority patent/SE8901385D0/xx

1989-06-26 Priority claimed from US07/371,126 external-priority patent/US5042082A/en

1990-03-28 Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB

1990-10-18 Publication of CA2030607A1 publication Critical patent/CA2030607A1/fr

2001-08-14 Application granted granted Critical

2001-08-14 Publication of CA2030607C publication Critical patent/CA2030607C/fr

2010-03-28 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

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Classifications

- 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
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
- H04L1/208—Arrangements for detecting or preventing errors in the information received using signal quality detector involving signal re-encoding
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
- H04L25/0216—Channel estimation of impulse response with estimation of channel length
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Quality & Reliability (AREA)
Power Engineering (AREA)
Mobile Radio Communication Systems (AREA)

CA002030607A 1989-04-17 1990-03-28 Methode pour maintenir une connexion etablie dans un systeme radio mobile comportant a la fois des canaux radio analogiques et numeriques Expired - Fee Related CA2030607C (fr)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
SE8901385-8		1989-04-17
SE8901385A SE8901385D0 (sv)	1989-04-17	1989-04-17	Foerarande i mobilradiosystem
US07/371,126 US5042082A (en)	1989-06-26	1989-06-26	Mobile assisted handoff
US371126		1989-06-26
PCT/SE1990/000199 WO1990013187A1 (fr)	1989-04-17	1990-03-28	Procede pour assurer une connexion etablie dans un systeme de radio mobile comprenant des canaux radio analogiques et numeriques

Publications (2)

Publication Number	Publication Date
CA2030607A1 CA2030607A1 (fr)	1990-10-18
CA2030607C true CA2030607C (fr)	2001-08-14

Family

ID=26660492

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002030607A Expired - Fee Related CA2030607C (fr)	1989-04-17	1990-03-28	Methode pour maintenir une connexion etablie dans un systeme radio mobile comportant a la fois des canaux radio analogiques et numeriques

Country Status (6)

Country	Link
KR (1)	KR950013303B1 (fr)
AU (1)	AU625128B2 (fr)
BR (1)	BR9006720A (fr)
CA (1)	CA2030607C (fr)
NZ (1)	NZ233178A (fr)
WO (1)	WO1990013187A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE8802229D0 (sv)	1988-06-14	1988-06-14	Ericsson Telefon Ab L M	Forfarande vid mobilradiostation
US20010050943A1 (en)	1989-08-03	2001-12-13	Mahany Ronald L.	Radio frequency communication network having adaptive communication parameters
JP2749456B2 (ja) *	1991-03-06	1998-05-13	三菱電機株式会社	無線通信機
DE69325844T2 (de)	1992-04-17	2000-08-31	Ericsson Inc., Research Triangle Park	Mobil unterstütztes Weiterreichen mit Kodemultiplex-Vielfachzugriff
SE470416B (sv) *	1992-07-03	1994-02-14	Ericsson Telefon Ab L M	Förfarande för att registrera trafikdata i ett telesystem
WO1994005130A1 (fr) *	1992-08-11	1994-03-03	Telefonaktiebolaget Lm Ericsson	Reagencement de canaux
US5627879A (en) *	1992-09-17	1997-05-06	Adc Telecommunications, Inc.	Cellular communications system with centralized base stations and distributed antenna units
US5603081A (en) *	1993-11-01	1997-02-11	Telefonaktiebolaget Lm Ericsson	Method for communicating in a wireless communication system
MX9307243A (es) *	1992-11-24	1994-05-31	Ericsson Telefon Ab L M	Reintento analogico.
US5432843A (en) *	1993-08-02	1995-07-11	Motorola Inc.	Method of performing handoff in a cellular communication system
US5515366A (en) *	1994-11-17	1996-05-07	International Business Machines Corporation	Method and apparatus for direct communication in a TDMA radio communication system
US5761240A (en) *	1996-02-06	1998-06-02	Ericsson Inc.	Method and apparatus for determining an optical communications channel without loss of channel messages on a current communications channel
US5878349A (en) *	1996-07-16	1999-03-02	Telefonaktiebolaget L M Ericsson	Call set-up on 800 MHz analog voice channel from 1900 MHZ digital control channel
US6021328A (en) *	1996-12-19	2000-02-01	Northern Telecom Limited	Radio link quality handoff trigger
US6047191A (en) *	1997-02-14	2000-04-04	Telefonaktiebolaget Lm Ericsson	Method of selecting a voice channel in a radio telecommunications network
EP0954142A1 (fr) *	1998-04-28	1999-11-03	Lucent Technologies Inc.	Estimation de canal à l'aide d'une technique de fenêtre coulissante
US6459907B1 (en) *	1999-07-27	2002-10-01	Ericsson Inc.	Systems and methods for channel selection for facsimile communication over a wireless communication network
RU2287901C1 (ru) *	2005-06-27	2006-11-20	Закрытое акционерное общество "Кодофон"	Способ передачи обслуживания абонентской станции между базовыми станциями двух различных сотовых сетей, одна из которых является приоритетной по отношению ко второй, и устройство для его осуществления

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU577742B2 (en) *	1984-07-13	1988-09-29	Motorola, Inc.	Cellular voice and data radiotelephone system
EP0219559B1 (fr) *	1985-10-17	1990-09-05	ANT Nachrichtentechnik GmbH	Système radio mobile pour la transmission de signaux aussi bien analogiques que numériques
DE3607687A1 (de) *	1986-03-08	1987-09-10	Philips Patentverwaltung	Verfahren und schaltungsanordnung zum weiterschalten einer funkverbindung in eine andere funkzelle eines digitalen funkuebertragungssystems
EP0318033B1 (fr) *	1987-11-27	1995-09-13	Nec Corporation	Procédé de transfert destiné à un systéme de communication mobile numérique cellulaire et station mobile.

1990
- 1990-03-28 CA CA002030607A patent/CA2030607C/fr not_active Expired - Fee Related
- 1990-03-28 KR KR1019900702516A patent/KR950013303B1/ko not_active Expired - Fee Related
- 1990-03-28 BR BR909006720A patent/BR9006720A/pt not_active IP Right Cessation
- 1990-03-28 AU AU55300/90A patent/AU625128B2/en not_active Ceased
- 1990-03-28 WO PCT/SE1990/000199 patent/WO1990013187A1/fr not_active Ceased
- 1990-04-03 NZ NZ233178A patent/NZ233178A/en unknown

Also Published As

Publication number	Publication date
AU5530090A (en)	1990-11-16
KR920700503A (ko)	1992-02-19
KR950013303B1 (ko)	1995-11-02
WO1990013187A1 (fr)	1990-11-01
BR9006720A (pt)	1991-08-06
CA2030607A1 (fr)	1990-10-18
AU625128B2 (en)	1992-07-02
NZ233178A (en)	1992-06-25

Legal Events

Date	Code	Title	Description
1997-02-10	EEER	Examination request
2008-03-28	MKLA	Lapsed
2022-09-10	MKLA	Lapsed	Effective date: 20080328

Publication	Publication Date	Title
US5257401A (en)	1993-10-26	Method of maintaining an established connection in a mobile radio system comprising both analog and digital radio channels
CA2033971C (fr)	1999-11-09	Systeme de transfert en radiocommunications mobiles
US5200957A (en)	1993-04-06	Mobile assisted handoff
US5008953A (en)	1991-04-16	Mobile station link supervision utilizing digital voice color codes
AU625128B2 (en)	1992-07-02	Method of maintaining an established connection in a mobile radio system comprising both analog and digital radio channels
AU655356B2 (en)	1994-12-15	A method for communication in a TDMA cellular mobile radio system using frequency hopping
CA2050243C (fr)	2001-12-11	Reexploration periodique dans un systeme de communication cellulaire
EP0472511A2 (fr)	1992-02-26	Basculement d'une station mobile entre canaux à débits moitié et nominal
EP1032995A1 (fr)	2000-09-06	Techniques de selection de reseau de radiodiffusion pour systemes de radiocommunication hybrides comprenant a la fois un systeme de communication cellulaire et un systeme de radiodiffusion
CA2207966C (fr)	2005-09-27	Procede et systeme de transmission retardee de messages de signalisation rapide sur un canal vocal
US5752190A (en)	1998-05-12	Supervisory audio tone based carrier-to-interference measurement in a mobile cellular communication system
KR100764530B1 (ko)	2007-10-09	개선된 컬러 코드 용량을 갖는 디지털 통신 시스템
HK1014094B (en)	2000-11-24	A method for communication in a tdma cellular mobile radio system using frequency hopping