H - Electricity – 01 – Q
Patent
H - Electricity
01
Q
325/30
H01Q 7/04 (2006.01) H04Q 7/38 (2006.01)
Patent
CA 1264813
Abstract of the Disclosure: For use in a mobile radio telephone network including radio telephone sets movable in an area divided into a predetermined number of zones, a communication control system includes a searching i arrangement (25, 33) for searching one (15') of radio communication devices of the network as a searched communication device that is assigned to a present one of the zones into which a specific one (11') of the radio telephone sets has moved from a previous one of the zones. For operation of the searching arrangement, a communicating arrangement (22, 25, 32) of the system sends a call signal to a specific one of the radio communication devices that is assigned to the previous zone to transmit the call signal to the specific telephone set and receives a response signal transmitted from the specific telephone set if the specific telephone set were in the previous zone. For the communicating arrangement, a selecting arrangement (21, 25, 31) selects the specific communication device with reference to a memory (27) for memorizing, in correspondence to the radio telephone sets, location information indicative of the radio communication devices assigned to the zones in which the radio telephone sets are present at a time. The searching arrangement preferably updates the memory to make the information indicate the searched communication device instead of the specific communication device.
563069
Murata Yoshitoshi
Sako Yukihiro
Shibata Toshihiko
Yotsutani Akio
Corporation Nec
Kabushiki Kaisha Toshiba
Matsushita Communication Industrial Co. Ltd.
Nippon Telegraph And Telephone Corporation
Ntt Mobile Communications Network Inc.
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