Patent ID: 9713047
Date: 2017-07-18
CPC Classifications: H04W

Claim:
1. A method in a base station, BS, of a cellular radio system for optimizing criteria of identifying a user equipment, UE, as in a first UE group or a second UE group, wherein a speed of any UE in the first UE group is higher than a speed of any UE in the second UE group, the method comprising: detecting one or more handover failure events of at least one of the first UE group and the second UE group; determining whether there is any UE misidentified in the first or second UE group based on the one or more handover failure events; and in response to determining that there is a UE misidentified in the first or second UE group, adjusting at least one of the criteria of identifying a UE as in the first UE group and the criteria of identifying a UE as in the second UE group.