Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1995-05-15
2000-03-07
Cumming, William
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455458, 455567, H04Q 738
Patent
active
060351950
ABSTRACT:
A mobile radio telephone apparatus operating in a plurality of zones. The apparatus includes a plurality of communications devices, each assigned respectively to the plurality of zones, for establishing a wireless communications channel with a mobile terminal located within one of the assigned zones; a plurality of management devices, each assigned respectively to the plurality of zones, for radioing to a mobile terminal moving from a zone outside of the assigned zones to one of the assigned zones and for emitting position information indicating the assigned zone in which the mobile terminal enters; a register device for registering the position information; a first memory device for storing the position information; a second memory device for preregistering at least one of the plurality of zones; a process selecting device for inhibiting the management device assigned to the zone preregistered in the second memory device from emitting the position information to the register device; and a call reception control device for executing a first process of instructing the communications device to emit call reception information, assigned to a retrieved zone, while referring to the position information registered in the first memory device, and for executing a second process of instructing the communications device, assigned to the preregistered zone, to emit the call reception information without referring to the position information regarding the mobile terminal.
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Philips Telecommunication Review, vol. 42, No. 1, Apr. 1984, Hilversum NL, pp. 35-45; De Boer et al. `The Trunking of Radio Channels in Private Mobile Radio Networks`, p. 39, paragraph 7.
Philips Telecommunication and Data Systems Review, vol. 47, No. 3, Sep. 1989, Hilversum NL, pp. 20-33, Davey et al., `AMCON: Trunked Mobile Radio Communication in Band Three`.
Kishida Toshihide
Toyama Hideya
Yazawa Shigehiko
Yui Hideaki
Cumming William
Fujitsu Limited
Trost William G.
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