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Method of network acquisition and related cellular radio communication device

A wireless communication and cellular technology, applied in the direction of wireless communication, radio/inductive link selection arrangement, sustainable communication technology, etc., to shorten the process of network acquisition and achieve the effect of re-establishment

Inactive Publication Date: 2005-01-26
NEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Operation of such known cells is disadvantageously limited, as successful operation is highly dependent on the user turning off their handset and then turning it back on at the same location, which rarely occurs

Method used

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  • Method of network acquisition and related cellular radio communication device
  • Method of network acquisition and related cellular radio communication device

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Experimental program
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Embodiment Construction

[0026] first, figure 1 A flow chart is shown that takes place when the phone is switched off.

[0027] As is clear, this shutdown is equivalent to a situation where the phone loses the network by moving out of the network coverage area, etc.

[0028] In step 10, it is decided to turn off the phone, while the user presses the appropriate button to start the procedure.

[0029] In step 12 the handset is switched off for initiating storage of current cell information and the current cell details are compared with those stored in step 14 in the handset. If it is found that the current cell details are already stored in the handset, the method passes the path YES to step 16 where it is determined that there is no need to store the current cell details, then in the power off phase 18 the shutdown procedure is complete.

[0030] However, if in step 14 it is determined that the cell information has not been previously stored, the method proceeds through path NO and in step 20 the cu...

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PUM

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Abstract

The present invention provides for a method for use in network acquisition in a cellular radio communications device comprising the steps of, storing details of the cell to which the device was connected at the time of loss of the network for at least first and second separate instances of network loss, comparing the current cell appearing at the time of seeking network establishment with the stored cell details, camping on the current cell by means of the stored cell details if the comparison indicates a match, and conducting a network cell search if the comparison does not identify a match between the current cell and one of the stored cells.

Description

technical field [0001] The present invention relates to a method for network acquisition and an associated cellular radio communication device. Background technique [0002] The resulting dead time between phone power-on and network acquisition is often the subject of review and research to limit the length of such useless time and related issues. For example, it can be noted that this dead time is a cause of user dissatisfaction, the greater the dissatisfaction it takes to complete network acquisition after activation of the cellular device. [0003] Likewise, the network acquisition process performed during this process consumes a large amount of available power in the handset. Thus, the above-mentioned potential for dissatisfaction and wasted power is further increased when the handset switches to dual-mode or multi-mode functionality. In a dual-mode or multi-mode handset, there are of course multiple sets of frequencies to search for, so that the most suitable cell in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/20H04W76/02
CPCH04W48/16Y02D30/70
Inventor 理查德·奥姆森
Owner NEC CORP