Patent ID: 8379597
Filing Date: 2013-02-19
Classification: H04W

Abstract:
1. A method, executed by a base station, for controlling handovers of a radio connection to a mobile station between base stations of a cellular communication network, comprising: assigning a priority level to handover trigger causes includes in a handover request or confirm message and coding the prioritized handover trigger causes to obtain codes; subdividing the codes into a first class associated with unrestricted handovers and a second class associated with handovers subjected to restriction; storing an identifier of a previous serving base station for an incoming handover accepted for a mobile station; starting a penalty timer if the code of the prioritized handover trigger cause of an accepted handover belongs to a given subset of the second class; deciding a new valid condition to trigger a handover request for the mobile station, comprising: suppressing issuance of a handover request for the mobile station if all the conditions of the deciding step are simultaneously met, otherwise issuing a handover request including the handover trigger cause.