发明名称 METHOD FOR SIMULTANEOUS HANDOVER IN A WIRELESS ACCESS SYSTEM THAT SUPPORTS DEVICE-TO-DEVICE COMMUNICATION AND APPARATUS FOR SUPPORTING THE METHOD
摘要 Disclosed are a method for simultaneously handing over devices which perform device-to-device communication to another cell in a wireless access system that supports device-to-device communication, and an apparatus for supporting the method. The method for simultaneously handing over devices in a wireless access system that supports direct device-to-device communication according to one embodiment of the present invention may comprise the following steps: detecting an occurrence of a handover condition in a first device that performs direct device-to-device communication; transmitting, to a second device that performs direct device-to-device communication, a cell state check request message for requesting information on a channel state with respect to a base station; searching for a target cell for handover by the first device; receiving, from the second device, a cell state check response message containing information on the channel state; searching for a common cell in which the target cell searched for by the first device and the target cell contained in the information on the channel state coincide with each other; and transmitting, to the second device, a common cell indication message for indicating the simultaneous handover of devices. Here, the common cell indication message may contain information on the common cell.
申请公布号 EP2717627(A2) 申请公布日期 2014.04.09
申请号 EP20120789497 申请日期 2012.05.25
申请人 LG ELECTRONICS INC. 发明人 JANG, JIWOONG;CHO, HANGYU;KIM, DONGCHEOL
分类号 H04W36/30;H04W36/00;H04W36/16;H04W76/04;H04W88/06 主分类号 H04W36/30
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