Invention Grant
- Patent Title: Varying HP-PLMN scan rate using scan history
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Application No.: US14732060Application Date: 2015-06-05
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Publication No.: US09706484B2Publication Date: 2017-07-11
- Inventor: Arvind Swaminathan , Umesh K. Shukla , Srinivas Pasupuleti , Viswanath Nagarajan , Thanigaivelu Elangovan , Madhusudan Chaudhary
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Meyertons Hood Kivlin Kowert & Goetzel, P.C.
- Agent Jeffrey C. Hood; Brian E. Moore
- Main IPC: H04B1/16
- IPC: H04B1/16 ; H04W4/00 ; H04M1/00 ; H04B1/38 ; H04W48/16 ; H04W84/02

Abstract:
Apparatuses, systems, and methods for user equipment (UE) devices to more efficiently scan frequency bands for potential base stations may include a UE configured maintain a first list of cells for which a cellular scan has been successful and a second list of cells for which a cellular scan has not been successful. The UE may be configured perform a first cellular while camped on a first cell at an expiration of a scan timer and, if the cellular scan is not successful, the increment a first failure count variable associated with the first cell and add the first cell to the second list if the first cell is not present on the first or second list. Additionally, if the first cellular scan is successful, the UE may be configured to add the first cell to the first list if the first cell is not present on the first list.
Public/Granted literature
- US20160309400A1 Varying HP-PLMN Scan Rate Using Scan History Public/Granted day:2016-10-20
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