US Patent No. 10,512,116

BEARER MANAGEMENT APPARATUS AND METHOD, AND COMMUNICATION SYSTEM


Patent No. 10,512,116
Issue Date December 17, 2019
Title Bearer Management Apparatus And Method, And Communication System
Inventorship Ningjuan Chang, Beijing (CN)
Haibo Xu, Beijing (CN)
Yanling Lu, Beijing (CN)
Weiwei Wang, Beijing (CN)
Assignee Fujitsu Limited, Kawasaki (JP)

Claim of US Patent No. 10,512,116

1. A bearer management apparatus configured in a user equipment (UE) configured with dual connectivity, comprising:a receiver configured to receive an indication message, sent by a base station, for changing a bearer type of a bearer or releasing the bearer under dual connectivity; and
a processor circuit, configured to change the bearer type of the bearer or release the bearer according to the indication message, wherein the indication message comprises first configuration information configured or reconfigured by the base station for a logical channel identity corresponding to the bearer, the first configuration information contains a logicalChannelldentity in an information element DRB-ToAddMod, and a logical channel identity corresponding to the logicalChannelldentity is present when the bearer type changes for UE(s) configured with dual connectivity;
or the indication message comprises second configuration information configured or reconfigured by the base station for a radio bearer identity corresponding to the bearer, the second configuration information contains an eps-Bearldentity in the information element DRB-ToAddMod, and an EPS bearer identity corresponding to the eps-Bearldentity is present when the bearer type changes for UE(s) configured with dual connectivity;
or the indication message comprises third configuration information configured or reconfigured by the base station for a Packet Data Convergence Protocol (PDCP) entity corresponding to the bearer, the third configuration information includes a pdcp-Config in the information element DRB-ToAddMod, and PDCP information corresponding to the pdcp-Config is present when the bearer type changes for UE(s) configured with dual connectivity.