Apparatus and method for preventing performance degradation of call service in a portable terminal

US8977264B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8977264-B2
Application numberUS-201213456496-A
CountryUS
Kind codeB2
Filing dateApr 26, 2012
Priority dateJul 15, 2011
Publication dateMar 10, 2015
Grant dateMar 10, 2015

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  1. Title

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  2. Abstract

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  5. First independent claim

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Abstract

Official abstract text for this publication.

An apparatus and method for preventing performance degradation of a call service in a portable terminal are provided. In the apparatus, a memory stores a Preferred Roaming List (PRL) including information about a plurality of systems and an avoidance list including information about a system to which access has failed the predetermined number or more times, and when an access attempt to originate or terminate a call to or from a specific system acquired in a weak electrical field has failed a predetermined number or more times, a controller controls reacquisition of the specific system and attempting of call origination to or call termination from the reacquired specific system.

First claim

Opening claim text (preview).

What is claimed is: 1. A portable terminal comprising: a memory for storing a Preferred Roaming List (PRL) including information about at least one system; and a controller for acquiring a specific system from the PRL, attempting a call connection through the acquired specific system, determining whether a predetermined number of call connection failures through the acquired specific system has occurred, and repeating the acquiring, the attempting, and the determining until the…

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What does patent US8977264B2 cover?
An apparatus and method for preventing performance degradation of a call service in a portable terminal are provided. In the apparatus, a memory stores a Preferred Roaming List (PRL) including information about a plurality of systems and an avoidance list including information about a system to which access has failed the predetermined number or more times, and when an access attempt to origina…
Who is the assignee on this patent?
Oh Se-Wan, Samsung Electronics Co Ltd
What technology area does this patent fall under?
Primary CPC classification H04W8/18. Mapped technology areas include Electricity.
When was this patent published?
Publication date Tue Mar 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).