Authentication method fusing TD-SCDMA and self-organizing network

A technology of self-organizing network and code division multiple access, which is applied in the authentication field where time-division synchronous code division multiple access and self-organizing network are integrated, can solve problems such as the inability to guarantee a single user's trusted center, and achieve prevention of retransmission attacks and communication security Effect

Inactive Publication Date: 2009-02-04
PANDA ELECTRONICS GROUP +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The authentication method of the cellular network is based on a trusted authentication center, and it is assumed that the user is within the coverage of the base station; the self-organizing network is a distributed non-central network, and there is no guarantee that a single user can be fixed as a trusted center
In the integration of TD-SCDMA and self-organizing network, user authentication can be based on the authentication center of the cellular network, but the user may not be within the coverage of the base station and must go through multiple hops to reach the base station

Method used

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  • Authentication method fusing TD-SCDMA and self-organizing network
  • Authentication method fusing TD-SCDMA and self-organizing network
  • Authentication method fusing TD-SCDMA and self-organizing network

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Embodiment Construction

[0059] The authentication method includes single-hop authentication: that is, users adjacent to the gateway pass the gateway and base station to realize two-way authentication with the cellular network in a single-hop manner; The base station realizes two-way authentication with the cellular network,

[0060] Among them, the specific implementation of single-hop authentication includes the following steps:

[0061] Step 1: After the user in the cellular network switches to the gateway mode, it periodically sends a message on the broadcast channel, and the message format is [SEQ GW ‖ID cell ‖ID GW ‖K BS ‖T life ‖Hop‖N GW ]. Among them, SEQ GW Is the message sequence number, used to distinguish messages; ID cell is the cell ID where the gateway is located; ID GW is the ID of the gateway, K BS is the public key of the base station; T life It is the survival time of the gateway. When the user receives a new broadcast message, the time must be refreshed; Hop is the hop t...

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Abstract

The invention relates to the field of mobile communication, which provides an authentication method for combining Time Division Synchronous Code Division Multiple Access with ad hoc network to make a user outside base station coverage realize mutual authentication with a cellular network in a single-hop or multi-hop mode. When close to a gateway, the user can pass through the gateway and a base station to realize authentication to VLR and HLR in the single-hop mode, meanwhile, the VLR authentication to the user is realized, and in addition, the IMSI of the user can not be transmitted in a wireless link in plaintext through random number and encryption to prevent the exist of a pseudo user, attack replay, and the like. When far from the gateway, the user can realize mutual authentication with the cellular network through a mid user, the gateway and a base station in the multi-hop mode, and utilize iterative message authentication codes to guarantee constant length of the messages so as to save bandwidth.

Description

technical field [0001] The invention relates to a user authentication method for the integration of TD-SCDMA (Time Division Synchronous Code Division Multiple Access) and self-organizing network. Background technique [0002] TD-SCDMA, as the third generation mobile communication standard proposed by China, uses technologies such as time division duplex, uplink synchronization, joint detection, relay handover and smart antenna. Using the TD-SCDMA air interface to build an ad hoc network can not only take advantage of its time-division duplex feature without making major modifications to the interface, but also expand the coverage of TD-SCDMA cells and increase the system capacity. [0003] Security communication requirements are becoming more and more important in mobile communication systems, especially in third-generation mobile communication systems, and identity authentication is an important guarantee for realizing normal and secure communication and protecting the inte...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): H04L9/32H04Q7/38
Inventor朱立锋沈连丰许波牟中平胡静燕锋倪红岭
OwnerPANDA ELECTRONICS GROUP