Invention Grant
- Patent Title: Method of enhanced connection recovery and cell selection
- Patent Title (中): 增强连接恢复和小区选择的方法
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Application No.: US13743612Application Date: 2013-01-17
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Publication No.: US09049698B2Publication Date: 2015-06-02
- Inventor: Per Johan Mikael Johansson , Yih-Shen Chen , Tze-Ping Low , William Plumb
- Applicant: Mediatek, Inc.
- Applicant Address: TW
- Assignee: MEDIATEK INC.
- Current Assignee: MEDIATEK INC.
- Current Assignee Address: TW
- Agent Zheng Jin
- Main IPC: H04W36/24
- IPC: H04W36/24 ; H04W76/02 ; H04W36/08 ; H04W36/00

Abstract:
An enhanced connection recovery upon lost RRC connection due to radio link failure (RLF) or handover failure (HOF) is proposed. A UE first establishes an RRC connection in a source cell in a mobile communication network. Later on, the UE detects a failure event and starts an RRC reestablishment procedure in a target cell to restore the RRC connection. In a first novel aspect, a fast RLF process is applied to reduce the outage time in the serving cell. In a second novel aspect, an enhanced cell selection mechanism based on cell prioritization information is applied to reduce the outage time in the target cell. In one embodiment, multi-RAT registration is used to steer cell selection.
Public/Granted literature
- US20130183974A1 Method of Enhanced Connection Recovery and Cell Selection Public/Granted day:2013-07-18
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