Methods and devices of authenticating non-SIM mobile terminals accessing a wireless communication network

  • US 10,582,382 B2
  • Filed: 09/01/2015
  • Issued: 03/03/2020
  • Est. Priority Date: 09/01/2015
  • Status: Active Grant
First Claim
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1. A method performed by an Authentication, Authorization and Accounting (AAA) server of authenticating a non-Subscriber Identity Module (non-SIM) mobile terminal with a wireless network, the method comprising:

  • the AAA server receiving, via an untrusted wireless local area network (WLAN), a request for service of the non-SIM mobile terminal, wherein the AAA server is not a Mobility Management Entity (MME);

    the AAA server authenticating the non-SIM mobile terminal;

    after the AAA server authenticates the non-SIM mobile terminal, the AAA server submitting a request for subscriber profile data associated with the non-SIM mobile terminal to a Home Subscriber Server (HSS), the subscriber profile data request comprising;

    (i) an indication that the non-SIM mobile terminal has been authenticated by the AAA server and (ii) a virtual international mobile subscriber identity (IMSI) that is associated with a non-virtual IMSI of a SIM device registered with the HSS; and

    the AAA server receiving from the HSS, in response to the indication that the non-SIM mobile terminal has been authenticated, the requested subscription profile data.

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