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Method of roaming in networks with different parameters for PHS terminal

A parameter and network technology, which is applied in the field of wireless communication and can solve the problem that the PHS terminal cannot be used.

Inactive Publication Date: 2006-08-09
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the present invention is to provide a method for PHS terminals to roam in networks with different parameters, so as to overcome the disadvantages in the prior art that PHS terminals cannot be used in PHS networks with different network parameters without changing frequency with a huge workload

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  • Method of roaming in networks with different parameters for PHS terminal
  • Method of roaming in networks with different parameters for PHS terminal
  • Method of roaming in networks with different parameters for PHS terminal

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Embodiment Construction

[0014] The method of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0015] At present, when the PHS terminal is turned on or re-enters the service area, it will read network parameters such as the control frequency point, country code and operator code from the Flash ROM (flash memory), and use this to find a base station with the same parameters. Make attempts such as registration and authentication. If there is no attempt, the network access will fail. The present invention improves this process, so that the terminal is no longer limited to work with one control frequency point, country code and operator code group.

[0016] Such as figure 1 As shown, first of all, what is stored in the Flash ROM is not a set of control frequency points, country codes and operator codes, but multiple sets of network parameters, which can be set according to the usage of the mobile phone. For example, this type of mobile phone...

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Abstract

The invention provides a method that can allow PHS terminals to roam between the networks with the different parameters. Several groups of parameters are stored in the PHS terminals. When the PHS terminals try to access the service region in a state of turn-on or turn-off, read the default parameters of the network, and then search the correlative base station: if the base station does exist, the link can be built, and rights identification can be done; otherwise select another group of parameter to repeat the previous step until access success; otherwise mean the search failed or there is none network useable. The invention conquered the demerit that the PHS terminals in existence cannot be used in the networks with the different parameters, and solved the ultimate problem of the unlimited interconnection between the PHS networks. If you use the method of the invention, the PHS terminal needs not change its frequency, as long as adjust the parameter itself to match the networks where it exists, hence can roam between the networks with the different parameters.

Description

technical field [0001] The invention relates to a wireless communication method, especially a method for a PHS terminal to roam in networks with different parameters. Background technique [0002] At present, both PHS base stations and terminals can only support one network parameter combination of control frequency point / country code / operator code at the same time. When the base station parameters are different, the terminal must burn the number again to work normally. Since the control frequencies / country codes / operator code groups of PHS networks in various places are different, current terminals cannot roam between networks with different parameters. Roaming between networks with different frequency points / country codes / operator codes, in order to achieve roaming, it is necessary to unify the control frequency points / country codes / operator codes of all PHS networks, take back all terminals and re-burn numbers, the workload is extremely huge , if the PHS terminal is to r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/38H04Q7/32H04B7/26H04L12/46H04W48/18H04W84/14
Inventor 周正刚
Owner ZTE CORP
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