Group path mobile handover authentication method based on mobile relay
A mobile relay and handover authentication technology, applied in the field of communication network security, can solve problems such as MRN handover security is not considered
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[0068] The technical solution for realizing the present invention is: under the existing LTE-A network system of 3GPP, use handover tag technology and aggregated message authentication code technology to realize fast group handover authentication and ensure user privacy. According to the fixedness of the high-speed railway line, all host station DeNBs on the route of the same train form a route DeNB group. Moreover, all mobile relay nodes MRNs on the same train form a MRN group, and one MRN is regarded as a controlling mobile relay node (cMRN) responsible for controlling other MRNs. When an MRN accesses the LTE-A network for the first time, each MRN can obtain a Handover Tag (HT) from the source DeNB. For each handover during train travel, cMRN collects handover request information sent by MRN group members and generates an aggregated message authentication code. Then, it will send an authentication request message carrying the aggregated message authentication code and the h...
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