Title:
APPARATUS AND MECHANISM OF REORDERING WITH DUAL PROTOCOL TO REDUCE MOBILITY INTERRUPTION IN WIRELESS NETWORK
Document Type and Number:
WIPO Patent Application WO/2020/087368
Kind Code:
A1
Abstract:
These disclosed embodiments describe a method for a UE to perform PDCP reordering for interruption-optimized HO with dual protocol stack. The interruption-optimized HO command is transmitted by the source gNB. UE established the protocol stack for the target and applies a new key for the new protocol associated to the target cell. In one novel aspect, the PDCP reordering function is enabled and perform reordering for the PDCP PDUs received from both the source cell and the target cell for the same DRB. In another novel aspect, UE receives the RRC message to release the connection with the source cell. Upon receive the RRC message, UE triggers a PDCP status report, which triggers the retransmission of the DL PDCP PDUs which has not been successfully delivered before PDCP release.
Inventors:
ZHANG YUANYUAN (CN)
Application Number:
PCT/CN2018/113098
Publication Date:
May 07, 2020
Filing Date:
October 31, 2018
Export Citation:
Assignee:
MEDIATEK SINGAPORE PTE LTD (SG)
ZHANG YUANYUAN (CN)
ZHANG YUANYUAN (CN)
International Classes:
H04W72/04
Domestic Patent References:
| WO2018084632A1 | 2018-05-11 | |||
| WO2014113686A2 | 2014-07-24 |
Foreign References:
| US20160044639A1 | 2016-02-11 | |||
| CN106537882A | 2017-03-22 |
Attorney, Agent or Firm:
BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)
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