KR950013303B1 - 아날로그 무선채널과 디지탈 무선채널을 지닌 이동무선시스템에서 접속을 유지하는 방법 - Google Patents

아날로그 무선채널과 디지탈 무선채널을 지닌 이동무선시스템에서 접속을 유지하는 방법 Download PDF

Info

Publication number
KR950013303B1
KR950013303B1 KR1019900702516A KR900702516A KR950013303B1 KR 950013303 B1 KR950013303 B1 KR 950013303B1 KR 1019900702516 A KR1019900702516 A KR 1019900702516A KR 900702516 A KR900702516 A KR 900702516A KR 950013303 B1 KR950013303 B1 KR 950013303B1
Authority
KR
South Korea
Prior art keywords
radio channel
radio
channel
digital
analog
Prior art date
Application number
KR1019900702516A
Other languages
English (en)
Korean (ko)
Other versions
KR920700503A (ko
Inventor
에리크 에케 스타이나 다아린 쟌
에리크 우덴 펠드 쟌
Original Assignee
테레포오낙티이에보라겟트 엘 엠 앨리크썬
에케 스타브링, 타게 뢰브그렌
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
Priority claimed from SE8901385A external-priority patent/SE8901385D0/xx
Priority claimed from US07/371,126 external-priority patent/US5042082A/en
Application filed by 테레포오낙티이에보라겟트 엘 엠 앨리크썬, 에케 스타브링, 타게 뢰브그렌 filed Critical 테레포오낙티이에보라겟트 엘 엠 앨리크썬
Publication of KR920700503A publication Critical patent/KR920700503A/ko
Application granted granted Critical
Publication of KR950013303B1 publication Critical patent/KR950013303B1/ko

Links

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
KR1019900702516A 1989-04-17 1990-03-28 아날로그 무선채널과 디지탈 무선채널을 지닌 이동무선시스템에서 접속을 유지하는 방법 KR950013303B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
SE8901385-8 1989-04-17
SE8901385A SE8901385D0 (sv) 1989-04-17 1989-04-17 Foerarande i mobilradiosystem
US371126 1989-06-26
US07/371,126 US5042082A (en) 1989-06-26 1989-06-26 Mobile assisted handoff
US371,126 1989-06-26
PCT/SE1990/000199 WO1990013187A1 (en) 1989-04-17 1990-03-28 Method of maintaining an established connection in a mobile radio system comprising both analog and digital radio channels

Publications (2)

Publication Number Publication Date
KR920700503A KR920700503A (ko) 1992-02-19
KR950013303B1 true KR950013303B1 (ko) 1995-11-02

Family

ID=26660492

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900702516A KR950013303B1 (ko) 1989-04-17 1990-03-28 아날로그 무선채널과 디지탈 무선채널을 지닌 이동무선시스템에서 접속을 유지하는 방법

Country Status (6)

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

Families Citing this family (17)

* 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
EP0566551B1 (en) * 1992-04-17 1999-08-04 Telefonaktiebolaget L M Ericsson Mobile assisted handover using CDMA
SE470416B (sv) * 1992-07-03 1994-02-14 Ericsson Telefon Ab L M Förfarande för att registrera trafikdata i ett telesystem
EP0614598B1 (en) * 1992-08-11 1999-03-17 Telefonaktiebolaget Lm Ericsson Rearranging channels
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 (en) * 1998-04-28 1999-11-03 Lucent Technologies Inc. Channel estimation using a sliding window technique
US6459907B1 (en) 1999-07-27 2002-10-01 Ericsson Inc. Systems and methods for channel selection for facsimile communication over a wireless communication network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3574217D1 (en) * 1984-07-13 1989-12-14 Motorola Inc Cellular voice and data radiotelephone system
DE3579596D1 (de) * 1985-10-17 1990-10-11 Ant Nachrichtentech Mobilfunksystem fuer die uebertragung sowohl digitaler als auch analoger signale.
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 (en) * 1987-11-27 1995-09-13 Nec Corporation Handoff method for cellular digital mobile communication system and mobile station

Also Published As

Publication number Publication date
WO1990013187A1 (en) 1990-11-01
KR920700503A (ko) 1992-02-19
NZ233178A (en) 1992-06-25
AU5530090A (en) 1990-11-16
CA2030607C (en) 2001-08-14
CA2030607A1 (en) 1990-10-18
BR9006720A (pt) 1991-08-06
AU625128B2 (en) 1992-07-02

Similar Documents

Publication Publication Date Title
KR970002756B1 (ko) 이동국 보조채널전환
KR950013303B1 (ko) 아날로그 무선채널과 디지탈 무선채널을 지닌 이동무선시스템에서 접속을 유지하는 방법
US5257401A (en) Method of maintaining an established connection in a mobile radio system comprising both analog and digital radio channels
US5200957A (en) Mobile assisted handoff
KR100263148B1 (ko) 티디엠에이(tdma) 셀룰러 이동무선 시스템에서 통신수단 및 방법
US5008953A (en) Mobile station link supervision utilizing digital voice color codes
KR0181320B1 (ko) 통신 시스템에서 부호화율을 제어하는 방법 및 장치
CA1246148A (en) Radio system wherein transmission power is varied according to transmission quality
US20020160798A1 (en) Mobile station apparatus, base station apparatus and radio communication channel assignment method
WO2001022600A2 (en) Method and system for measuring and reporting received signal strength
US6498932B1 (en) Method and an apparatus for determining the pathloss between a base transceiver station and a mobile station in a mobile radio network
CA2225205C (en) Method and base station system for voice transmission via a radio interface in a digital radio communication system having mobile stations and base stations
EP0943188B1 (en) Method of improving connection quality and system capacity, and a cellular radio system thereof
KR100764530B1 (ko) 개선된 컬러 코드 용량을 갖는 디지털 통신 시스템
AU729728B2 (en) A method for selecting a signal, and a cellular radio system
CN112055378B (zh) 窄带数字集群语音质量的判断方法和装置
Fisher et al. Wideband CDMA system for personal communications

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20021028

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee