Patent ID: 9503940
Filing Date: 2016-11-22
CPC Classification: H04W

Claim Text:
1. A method for controlling handover of a mobile communication equipment from a source base station to a target base station in a wireless communication system, wherein the source base station and the target base station each utilizes multiple cells to communicate with the mobile communication equipment, wherein one of the multiple cells is a primary cell and another of the multiple cells is a secondary cell, and wherein the target base station controls its multiple cells for the handover of the mobile communication equipment, the method comprising: receiving from said target base station preference levels for candidate cells of the multiple cells to be used as target cells for the handover of the mobile communication equipment, wherein the preference levels identify respective preferences for each of the candidate cells for the handover of the mobile communication equipment and wherein the target base station conveys the preference levels for use for the source base station to initiate the handover; and adjusting handover parameters used by the source base station to initiate the handover of the multiple cells by taking the preference levels of the candidate cells into account to identify which of the candidate cells is to he selected as the primary cell and which of the candidate cells is to be selected as the secondary cell, when selecting the target cells for the handover.