JPS60143037A - Mobile radio communication system - Google Patents

Mobile radio communication system

Info

Publication number
JPS60143037A
JPS60143037A JP58249924A JP24992483A JPS60143037A JP S60143037 A JPS60143037 A JP S60143037A JP 58249924 A JP58249924 A JP 58249924A JP 24992483 A JP24992483 A JP 24992483A JP S60143037 A JPS60143037 A JP S60143037A
Authority
JP
Japan
Prior art keywords
signal
mobile radio
device
center device
radio base
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.)
Pending
Application number
JP58249924A
Inventor
Koji Monma
Shigeharu Okamoto
Seizo Seki
Sumio Takechi
Masaru Yamada
Original Assignee
Mitsubishi Corp
Nippon Telegr & Teleph Corp <Ntt>
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 Mitsubishi Corp, Nippon Telegr & Teleph Corp <Ntt> filed Critical Mitsubishi Corp
Priority to JP58249924A priority Critical patent/JPS60143037A/en
Publication of JPS60143037A publication Critical patent/JPS60143037A/en
Application status is Pending legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]

Abstract

PURPOSE: To attain conversation with a center device by constituting a system with plural radio base stations and many mobile radio devices connected to the center device.
CONSTITUTION: When a transmission request from a mobile radio device 3 is transmitted, it is received by a radio base station 2, information of reception level is added and it is transmitted to the center device 1 together with an identification signal. The center device 1 raises an alarm tone and analyzes a signal form the radio base station 2. When the signal is identified as a communication request signal, a communication regulation signal is transmitted. This signal is relayed by the radio base station 2 and received by a mobile radio device 3. The mobile radio device 3 transmitting a transmission request where the identification signal is coincident releases the restriction of communication, brings amplifiers 34, 38 to the operating state to constitute a channel between the mobile radio device 3 and the center device 1.
COPYRIGHT: (C)1985,JPO&Japio
JP58249924A 1983-12-29 1983-12-29 Mobile radio communication system Pending JPS60143037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58249924A JPS60143037A (en) 1983-12-29 1983-12-29 Mobile radio communication system

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP58249924A JPS60143037A (en) 1983-12-29 1983-12-29 Mobile radio communication system
NL8403810A NL8403810A (en) 1983-12-29 1984-12-14 Mobile radio communication.
GB08432454A GB2152334A (en) 1983-12-29 1984-12-21 Radio communication system
DE3446786A DE3446786A1 (en) 1983-12-29 1984-12-21 Mobile broadcasting device
SE8406625A SE8406625L (en) 1983-12-29 1984-12-27 mobile Radio

Publications (1)

Publication Number Publication Date
JPS60143037A true JPS60143037A (en) 1985-07-29

Family

ID=17200204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58249924A Pending JPS60143037A (en) 1983-12-29 1983-12-29 Mobile radio communication system

Country Status (5)

Country Link
JP (1) JPS60143037A (en)
DE (1) DE3446786A1 (en)
GB (1) GB2152334A (en)
NL (1) NL8403810A (en)
SE (1) SE8406625L (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01231528A (en) * 1988-03-11 1989-09-14 Nippon Steel Corp Method and device for radio communication
JPH03222530A (en) * 1990-01-29 1991-10-01 Tomoyoshi Machiyama Radio information guiding system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4413974C2 (en) * 1994-04-21 1996-07-18 Siemens Ag emergency call system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2229179B1 (en) * 1973-05-11 1976-06-11 Materiel Telephonique
US3898390A (en) * 1973-05-15 1975-08-05 Martin Marietta Corp Multiple zone communications system and method
US3986119A (en) * 1973-12-28 1976-10-12 International Business Machines Corporation Emergency communication system
CH594324A5 (en) * 1975-08-27 1978-01-13 Autophon Ag
DE2659569C2 (en) * 1976-12-30 1979-01-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen
DE2923265A1 (en) * 1979-06-08 1980-12-11 Bosch Gmbh Robert radio network
FI66696C (en) * 1981-06-12 1984-11-12 Saehkoeliikkeiden Oy Foerfarande Foer foerverkligande of a person to a Bound anropningsprocess
US4481670A (en) * 1982-11-12 1984-11-06 Motorola, Inc. Method and apparatus for dynamically selecting transmitters for communications between a primary station and remote stations of a data communications system
US4562572A (en) * 1983-01-11 1985-12-31 International Telephone And Telegraph Corporation Cellular mobile radio service telephone system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01231528A (en) * 1988-03-11 1989-09-14 Nippon Steel Corp Method and device for radio communication
JPH03222530A (en) * 1990-01-29 1991-10-01 Tomoyoshi Machiyama Radio information guiding system

Also Published As

Publication number Publication date
SE8406625D0 (en) 1984-12-27
GB2152334A (en) 1985-07-31
SE8406625L (en) 1985-06-30
NL8403810A (en) 1985-07-16
DE3446786A1 (en) 1985-07-11
GB8432454D0 (en) 1985-02-06

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