METHOD TO REDUCE SERVICE INTERRUPTION

Title:

METHOD TO REDUCE SERVICE INTERRUPTION

Document Type and Number:

WIPO Patent Application WO/2015/135487

Kind Code:

A1

Abstract:

Methods and apparatus are provided to reduce service interruption for intra-RAT and inter-RAT handover procedures. The UE performs a NAS signaling procedure via a NAS signaling connection in a mobile communication network. The UE monitors a radio resource status and determines whether a radio bearer has been or is being established for a RRC connection for data transmission. The UE determines whether to release the NAS signaling connection after completing the NAS signaling procedure based on whether the radio bearer has been established. In one embodiment, the UE monitors a radio resource status and determines whether a radio bearer has been established for a RRC connection for data transmission. The UE determines whether to start a timer upon completing the NAS signaling procedure based on whether the radio bearer has been or is being established.

Inventors:

JHENG YU-SYUAN (CN)
HUANG-FU CHIEN-CHUN (CN)
CHANG HUNG-LIN (CN)
LIN YUAN-CHIEH (CN)

Application Number:

PCT/CN2015/074101

Publication Date:

September 17, 2015

Filing Date:

March 12, 2015

Export Citation:

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Assignee:

MEDIATEK INC (CN)

International Classes:

H04W36/00

Foreign References:

CN101610504A	2009-12-23
CN102892164A	2013-01-23
CN101291529A	2008-10-22
EP2622904A1	2013-08-07

Other References: