Patent ID: 9282493
Filing Date: 2016-03-08
CPC Classification: H04W

Claim Text:
1. A communications system in a communications network in which a communications device makes a handover from a source communications node to a target communications node, the system comprising: the communications device comprising: the target communications node comprising: wherein the transceiver of the target communications node is configured to transmit data before the communications device synchronizes with the target communications node, wherein the data comprises a new Cell-Radio Network Temporary Identifier (C-RNTI); wherein, the transceiver of the communications device is configured to transmit a handover complete message together with a buffer status report to the target communications node, wherein the buffer status report comprises information of an amount of buffered uplink data stored in the uplink data buffer; wherein the controller of the target communications node is configured to allocate an initial resource for transmission of uplink data to the communications device based on the buffer status report received with the handover complete message; and wherein the transceiver of the communications device is further configured transmit uplink data to the target communications node using the initial resource allocated by the target communications node after the target communications node received transmission of the handover complete message together with the buffer status report.