Patent ID: 8437291
Filing Date: 2013-05-07
Classification: H04W

Abstract:
1. A method for establishing a radio bearer in a User Equipment (UE) in a mobile communication system, the method comprising: receiving configuration information about a specific protocol layer, wherein the configuration information includes a common sequence number (SN) size for a downlink data block format and a uplink data block format and a 1-bit indicator, wherein the 1-bit indicator indicates whether a SN size for the downlink data format and a SN size for the uplink data format are identical or different, when the SN size for the downlink data format and the SN size for the uplink data format are identical, the downlink data format and the uplink data format use the common SN size, when the SN size for the downlink data format and the sequence number size for the uplink data format are different, the 1-bit indicates further indicates a combination of downlink data block format having a 12-bit Sequence Number (SN) and the uplink data block format having a 7-bit SN; and configuring the downlink data block format and the uplink data block format separately for an entity of the specific protocol layer according to the received configuration information, wherein the entity of the specific protocol layer has both a transmitting side and a receiving side.