Invention Grant
US09374769B2 Enhanced higher priority public land mobile network (HPPLMN) search
有权
增强优先级较高的公共陆地移动网络(HPPLMN)搜索
- Patent Title: Enhanced higher priority public land mobile network (HPPLMN) search
- Patent Title (中): 增强优先级较高的公共陆地移动网络(HPPLMN)搜索
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Application No.: US13706009Application Date: 2012-12-05
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Publication No.: US09374769B2Publication Date: 2016-06-21
- Inventor: Arzad Kherani , Anand Devidas Kashikar
- Applicant: Broadcom Corporation
- Applicant Address: US CA Irvine
- Assignee: Broadcom Corporation
- Current Assignee: Broadcom Corporation
- Current Assignee Address: US CA Irvine
- Agency: Sterne, Kessler, Goldstein & Fox P.L.L.C.
- Main IPC: H04W48/16
- IPC: H04W48/16

Abstract:
Embodiments provide an enhanced approach for Higher Priority Public Land Mobile Network (HPPLMN) search. In one embodiment, information acquired during a search (for each detected cell per frequency channel) is saved in a database and persisted in the database based on a validity time. An idle mode-to-connected mode transition by the UE, rather than aborting the search, only suspends the search for it to be resumed at a later time upon a connected mode-to-idle mode transition by the UE. Saved search data that is valid at the time of the transition is maintained and the frequency channel(s) associated with it is not re-searched in the current search. In an embodiment, the search is resumed based on weights that are associated with frequency channels, where a weight indicates a priority for visiting the frequency channel.
Public/Granted literature
- US20140155061A1 Enhanced Higher Priority Public Land Mobile Network (HPPLMN) Search Public/Granted day:2014-06-05
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