US Patent No. 10,219,317

METHOD FOR HANDLING OF DATA TRANSMISSION AND RECEPTION FOR SENB RELATED BEARER RELEASE AT A USER EQUIPMENT IN A DUAL CONNECTIVITY SYSTEM AND DEVICE THEREFOR


Patent No. 10,219,317
Issue Date February 26, 2019
Title Method For Handling Of Data Transmission And Reception For Senb Related Bearer Release At A User Equipment In A Dual Connectivity System And Device Therefor
Inventorship Sunyoung Lee, Seoul (KR)
Seungjune Yi, Seoul (KR)
Assignee LG Electronics Inc., Seoul (KR)

Claim of US Patent No. 10,219,317

1. A method for a secondary eNB (SeNB) operating in a wireless communication system, the method comprising:receiving or transmitting, from or to a Master eNB (MeNB), a first message indicating that the SeNB has released or will release a Secondary Cell Group (SCG) bearer or a SCG part of a split bearer configured in the SeNB;
if the first message includes an identifier of the SCG bearer or an identifier of the split bearer, releasing a downlink part of the indicated SCG bearer or the indicated SCG part of the split bearer configured in the SeNB when the first message is received or transmitted;
receiving, from the MeNB, a second message for indicating that a UE has released the SCG bearer or the SCG part of the split bearer configured in the SeNB; and
if the second message includes the identifier of the SCG bearer or the identifier of the split bearer, releasing an uplink part of the indicated SCG bearer or the indicated SCG part of the split bearer configured in the SeNB, when the second message is received.