Patent ID: 9210610
Filing Date: 2015-12-08
Classification: H04L,H04W

Abstract:
1. A method for setting a header of a protocol data unit (PDU) carrying at least a last segment of a service data unit (SDU) in a radio link control layer of a wireless communications system, the method comprising: forming a SDU; forming a PDU to carry at least a last segment of the SDU, wherein the PDU includes a header, in which a length indicator of multiple bits indicating an ending position of the SDU is inserted when a length of the PDU is equal to a predefined maximum PDU length and the length indicator is not inserted when the length of the PDU is smaller than the predefined maximum PDU length; wherein the length indicator is not inserted in a header of any other PDU when the length of the PDU is smaller than the predefined maximum PDU length; enabling a decrease of a length of the header of the PDU by not inserting the length indicator in the header; and transmitting the PDU to a peer receiver.