Communication method and device

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United States of America Patent

PATENT NO 10015669
SERIAL NO

15372093

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Abstract

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A communication method includes receiving by a SGSN a context request message from a mobility management entity (MME), obtaining by the SGSN an authentication vector-related key, and calculating by the SGSN a root key according to the authentication vector-related key. In addition, the method further includes sending by the SGSN a context response message including the root key to the MME, wherein the MME derives a NAS protection key according to the root key.

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Patent Owner(s)

  • HUAWEI TECHNOLOGIES CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
He, Chengdong Dongguan, CN 48 252

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