Patent ID: 7133676
Filing Date: 2006-11-07
Classification: H04W

Abstract:
1. A channel setting method in a mobile communication system in which a first channel of fixed bandwidth, and a second channel of variable bandwidth established according to requirements, are set up between a mobile station and a plurality of base stations performing radio communications with said mobile station, and between said plurality of base stations and a base station controller which communicates with said plurality of base stations and controls said base stations, said channel setting method being a method for setting said second channel during band-off where said mobile station is communicating with said plurality of base stations by means of said first channel, and comprising the steps of: in said base station controller, sending a request for a bandwidth required for said second channel to said plurality of base stations communicating by means of said first channel; in said plurality of base stations, upon receiving said request, returning a response of an allocatable bandwidth equal to or lower than said requested bandwidth, to said base station controller; and in said base station controller, upon receiving said responses, setting said second channel between said mobile station and said plurality of base stations, and between said plurality of base stations and said base station controller, according to the smallest bandwidth of said plurality of allocatable bandwidths.