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Method and apparatus for system acquisition in a mobile communication terminal

A mobile communication terminal and system list technology, applied in the field of mobile communication terminals, can solve problems such as slow acquisition, user inconvenience, and increased battery power consumption

Inactive Publication Date: 2008-05-07
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, since the mobile communication terminal searches for PRLs in a predetermined PRL order, unnecessary searches for systems that cannot be found at the current location may be performed.
Therefore, the problem of slow acquisition of the actual system arises, and as a result, this problem may be inconvenient for the user
Also, another problem is that increased battery power consumption due to unnecessary system searches

Method used

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  • Method and apparatus for system acquisition in a mobile communication terminal
  • Method and apparatus for system acquisition in a mobile communication terminal
  • Method and apparatus for system acquisition in a mobile communication terminal

Examples

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Embodiment Construction

[0014] Preferred embodiments of the present invention are described in detail with reference to the accompanying drawings. Throughout the drawings, like reference numbers refer to like or like parts. Detailed descriptions of well-known functions and constructions incorporated herein may be omitted in order to avoid obscuring the gist of the present invention.

[0015] FIG. 1 is a block diagram illustrating a configuration of an apparatus for acquiring a system in a mobile communication terminal according to an exemplary embodiment of the present invention.

[0016] As shown in Fig. 1, the system acquisition device 100 for acquiring a system in a mobile communication terminal according to the present invention includes: a radio frequency (RF) communication unit 110 for sending and receiving wireless radio frequency signals; a position signal receiver 120 for The system list storage unit 130 is used to store the system list to be searched to obtain the system; the system list m...

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Abstract

A method and an apparatus are provided for acquiring, in a reduced time, a system using location information in a mobile communication terminal. When a mobile communication terminal is turned on or disconnects with a base station, a Preferred Roaming List (PRL) is searched in order of closeness of a system to the current location of the mobile communication terminal. At predetermined time intervals, the systems of the PRL are arrayed in order of closeness of a system to the current location, and the arrayed PRL is searched. The present invention can reduce the time taken to acquire a system.

Description

technical field [0001] The invention relates to a mobile communication terminal. In particular, the present invention relates to a method and apparatus for quickly acquiring a system by using location information in a mobile communication terminal. Background technique [0002] Generally, when a mobile communication terminal is turned on or disconnected from a base station in a mobile communication system, it searches a Most Recently Used (MRU) list having information of the most recently connected systems to acquire the systems. [0003] If no system is acquired after searching the MRU list, the mobile communication terminal searches a preferred roaming list (PRL) having information of the system to be roamed to find the system to be acquired. The PRL includes system IDs (SIDs), network IDs (NIDs), channels, and radio frequency bands classified by geographic information index. [0004] In the traditional method, when a system is disconnected, all systems in the PRL are se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q7/32G06F17/30G01S5/02H04W4/02H04W48/18
CPCH04W48/18H04W4/02H04W48/16G01S19/27
Inventor 朱宰石
Owner SAMSUNG ELECTRONICS CO LTD
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