Patent ID: 9119125
Filing Date: 2015-08-25
Classification: H04L,H04W

Abstract:
1. A method in a first network node in a wireless communication system for managing handover of a user equipment from the first network node, to a second network node when the user equipment is moving from a first cell, defined by the first network node, into a second cell, defined by the second network node, the method comprising: transmitting a handover message, to be received by the user equipment, to trigger the user equipment to perform a handover from the first network node to the second network node; detecting that no acknowledgment message has been received from the user equipment, for the transmitted handover message; retransmitting the handover message, to be received by the user equipment; and inhibiting further retransmission of the handover message and interrupting scheduling of resources to the user equipment, before receiving a confirmation of successful handover of the user equipment from the second network node, if either of the following occurs: