Patent ID: 6157837
Filing Date: 2000-12-05
Classification: H04W

Abstract:
A method for determining a next radio communication channel for a mobile station to maintain a continuing communication with a fixed network, the fixed network including a plurality of base stations each forming a radio zone respectively in a mobile communication system, comprising the steps of:designating in the mobile station, at least one radio zone as a candidate(s) from among radio zones peripheral to a radio zone in which the mobile station is located;transmitting information indicating the designated at least one candidate radio zone, from the mobile station to the fixed network;selecting in the network, at least one radio zone from the designated candidate radio zones and at least one candidate channel for each selected one of the designated candidate radio zones;transmitting information indicating a plurality of selected candidate channels, from the network to the mobile station; anddetermining in the mobile station, the next channel from the plurality of selected candidate channels for continuing a communication between the mobile station and the network as the mobile station travels from one radio zone to another.