1977-07-14
1978-11-28
Cooper, William C.
325 55, H04Q 704
Patent
active
041277449
ABSTRACT:
Mobile subscribers are divided into a plurality of groups. In an area having a large number of mobile subscribers, individual control channels are used for each of the mobile subscriber groups and in an area having a small number of mobile subscribers, one of the abovesaid control channels is used in common to at least two of the mobile subscriber groups. An idle mobile subscriber is automatically set in the abovesaid control channel and, in case of communication, it is set in an idle communication channel assigned by a base station through the control channel to communicate with the base station.
REFERENCES:
patent: 2848545 (1958-08-01), Mitchell
patent: 3898390 (1975-08-01), Wells et al.
patent: 3913017 (1975-10-01), Imaseki
Sakamoto Masayuki
Yoshikawa Noriaki
Chayt Kenneth A.
Cooper William C.
Nippon Telegraph and Telephone Public Corporation
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