Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1996-04-30
1998-03-31
Vo, Nguyen
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455 62, 455 63, H04Q 720
Patent
active
057349827
ABSTRACT:
A radio communication system includes a radio port, a fixed radio terminal, a memory unit, a notification unit, and a mobile radio terminal. The radio port communicates in a service area by using a predetermined radio frequency which is multiplexed by time division into a plurality of radio channels. The fixed radio terminal is stationarily set in the service area of the radio port and has a first transmission/reception unit for communicating with the radio port by using a radio channel which is permanently assigned in advance. The memory unit stores the radio channel assigned in advance to the fixed radio terminal. The notification unit provides information, including channel information stored in the memory unit, in the service area of the radio port through the radio port. The mobile radio terminal communicates with the radio port by using a radio channel not assigned to the fixed radio terminal on the basis of the channel information provided in the service area of the radio port.
REFERENCES:
patent: 4882765 (1989-11-01), Maxwell et al.
patent: 5179720 (1993-01-01), Grube et al.
patent: 5276908 (1994-01-01), Koohgoli et al.
patent: 5475866 (1995-12-01), Ruthenberg
"Generic Criteria for Version 0.1 Wireless Access Communications System", TR-INS-001313 Issue 1 Oct. 1993, revision 1 Jun. 1994, pp. 37 to 104.
Endo Hiroya
Ueda Hitoshi
NEC Corporation
Vo Nguyen
LandOfFree
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