Telecommunications – Transmitter and receiver at separate stations – Optimum frequency selection
Patent
1993-08-25
1995-09-05
Urban, Edward F.
Telecommunications
Transmitter and receiver at separate stations
Optimum frequency selection
455 331, 455 63, 455 671, 379 59, H04Q 730, H04Q 734, H04B 1700
Patent
active
054487617
ABSTRACT:
On selecting as a selected channel at a base station in response to a channel assignment request one of transmission channels of a cellular mobile radio communication network when this channel is given a higher updated priority degree in accordance with an interference signal power received through this channel while such requests are not present and furthermore when a CIR of this channel is above a preselected CIR threshold level, the CIR threshold level is selected in dependency on the updated priority degrees given to the transmission channels. Preferably, the CIR threshold level is low and high if the updated priority degree of each channel is high and low at the base station, respectively.
REFERENCES:
patent: 3913017 (1975-10-01), Imaseki
patent: 4435840 (1984-03-01), Kojimo et al.
patent: 4672657 (1987-06-01), Dershowitz
patent: 4747101 (1988-05-01), Akaiwa et al.
patent: 5289526 (1994-02-01), Chymyck et al.
Yukitsuna Furyua et al., "Channel Segregation, A Distributed Adaptive Channel Allocation Scheme for Mobile Communication Systems", Second Nordic Seminar on Digital Land Mobile Radio Communication, Oct. 14-16, 1986, pp. 311-315 of the Proceedings.
NEC Corporation
Urban Edward F.
Wisler Mark D.
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