Radio communication system for reducing interferences with...

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2005-11-01

2005-11-01

Gelin, Jean (Department: 2681)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S452100

Reexamination Certificate

active

06961577

ABSTRACT:
A communication channel allocation method allocates a communication channel to communications between a mobile terminal device and a second radio base station using a second frequency band which is close to a first frequency band used by a first radio base station, by detecting a first distance between the second radio base station and the first radio base station, detecting a second distance between the second radio base station and the mobile terminal device when the first distance is less than a first threshold, and allocating a communication channel of a frequency far from the first frequency band in the second frequency band to the communications between the second radio base station and the mobile terminal device when the second distance is less than a second threshold.

REFERENCES:
patent: 5448751 (1995-09-01), Takenaka et al.
patent: 5666654 (1997-09-01), Kanai
patent: 5737704 (1998-04-01), Jin et al.
patent: 6078815 (2000-06-01), Edwards
patent: 6493539 (2002-12-01), Falco et al.
patent: 0 544 095 (1993-06-01), None
patent: 0 946 072 (1999-09-01), None
patent: 0 964 596 (1999-12-01), None
patent: 1 006 745 (2000-06-01), None
patent: WO 97/11571 (1997-03-01), None
patent: WO 99/59362 (1999-11-01), None

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