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Method for authentication of CDMA user roaming to GSM network

A technology of CDMA network and GSM network, which is applied in the roaming field of CDMA and GSM, and can solve problems such as registration failure

Inactive Publication Date: 2007-10-31
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method for solving the problem that the CDMA users in the prior art may fail to register when they roam to the GSM network

Method used

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  • Method for authentication of CDMA user roaming to GSM network
  • Method for authentication of CDMA user roaming to GSM network
  • Method for authentication of CDMA user roaming to GSM network

Examples

Experimental program
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Effect test

Embodiment Construction

[0013] The implementation of the present invention will be described in detail below in conjunction with the accompanying tables and accompanying drawings.

[0014] Table 1 is the authentication message parameters described in the present invention. Use the existing system access type parameter in the standard message to indicate that the user's access type is GSM access.

[0015] parameters

Types of

(M stands for mandatory field, O stands for optional field)

note

ESN

M

MIN

M

MSCID (Service MSC)

M

Qualification Information Code

M

system type code

M

available types

O

Extended MSCID

O

location area ID

O

PC-SSN (serving MSC or VLR)

O

report type

O

Sender ID

O

SMS-address

O

SMS-Message Waiting ID

O

System access type

O ...

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Abstract

A discriminate approach when CDMA user roams GSM network is disclosed, the user initiates the discrimination in the GSM network, before GSM1X sends triad of discrimination to GSM MSC / VLR, sends the requirement of discrimination to CDMA HLR / AUC, the accessing type field in requirement of discrimination indicates the present accessing network is GSM network, after CDMA HLR / AUC receives the discrimination messages, judges the accessing type is GSM network access, marks the accessing type is GSM access, and returns the response of success discrimination to the GSM1X. If CDMA HLR / AUC does not allow accessing the GSM network, then returns the response of failure discrimination. The invention solves the problems when the CDMA user accesses the GSM network.

Description

technical field [0001] The invention belongs to the roaming technical field of CDMA and GSM, and specifically relates to a method for authenticating a CDMA user roaming to a GSM network. Background technique [0002] In order to solve the needs of CDMA users roaming to GSM networks and GSM users roaming to CDMA networks, 3GPP2 proposed the IIF standard (N.S0028 protocol), adding a device between the CDMA and GSM networks for communication between the two networks Mapping and transformation of order and business. China Unicom's specification is called GGG (GSM 1XGLOBLE GATEWAY). For the convenience of description, this article is collectively called GSM1X. [0003] When a CDMA user roams to a GSM network, the GSM1X device acts as a gateway. When a CDMA user accesses a GSM network, the GSM1X acts as a GSM HLR / AUC (Home Location Register / Authentication Center), and the GSM MSC currently visited by the user / VLR (mobile switching center / visitor location register) completes use...

Claims

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Application Information

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IPC IPC(8): H04Q7/38H04L29/12H04W12/06H04W28/18H04W36/14H04W74/00
CPCH04W12/06H04W84/042H04L63/08H04W92/02H04W12/068
Inventor 段永柱
Owner ZTE CORP
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