AUTHENTICATION WITH PRIVACY IDENTITY
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United States of America Patent
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app pub date -
Mar 3, 2017
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Jul 17, 2016
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Abstract
Methods, systems, and devices for wireless communication are described. A user equipment (UE) may perform authentication procedures using an alternative identity (e.g., a privacy mobile subscriber identity (PMSI)) instead of an international mobile subscriber identity (IMSI) to protect the privacy of the user. If the UE does not have a PMSI, it may include a request for a PMSI initialization in an attach request. In some cases, the PMSI may be used once, and a new PMSI may be generated for the next attachment procedure. In some cases, a universal subscriber identity module (USIM) of the UE may not support storage of a PMSI. So a privacy module of the UE may communicate with the USIM according to the USIM's capabilities and may maintain a PMSI separately for communication with the network.
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