Limiting mobile terminal roaming method of CDMA wireless access system
A technology of wireless access system and movement restriction, which is applied in the direction of access restriction, wireless communication, code division multiplexing system, etc., to achieve the effect of natural software judgment process, easy implementation and cost saving
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[0031] First, explain the basis of the present invention: the CDMA wireless access system is connected with the local exchange through a V5.2 interface, and the V5.2 interface does not transmit the roaming information of the terminal, so the roaming restriction will only be completed within the wireless access system. Therefore, it is necessary to develop and add a VLR / HLR software or hardware function module similar to the mobile communication system in the CDMA wireless access system, that is, the VLR / HLR module on the BSC side. This module completes the information management, mobility management, and roaming area of the terminal. Judgment and restriction. To distinguish this module from the mobile communication system, the present invention uses V5VLR (V5.2 interface visit location register) and V5HLR (V5.2 interface home location register) for short.
[0032] The second step is to explain the working principle of the present invention:
[0033] (1) Establish V5VLR / HLR modul...
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