PHYSICAL LAYER AUTHENTICATION METHOD AND SYSTEM BASED ON OPTIMAL SECRECY PROTOCOL

Title:

PHYSICAL LAYER AUTHENTICATION METHOD AND SYSTEM BASED ON OPTIMAL SECRECY PROTOCOL

Document Type and Number:

WIPO Patent Application WO/2019/205179

Kind Code:

A1

Abstract:

The present disclosure relates to a physical layer authentication method based on an optimal secrecy protocol, characterized in that the method comprises: a transmitting end transmitting a marking signal to a wireless channel based on an optimal secrecy protocol, wherein the marking signal comprises an authentication signal and an information signal, and in the optimal secrecy protocol, a receiving end feeding a signal-to-noise ratio threshold value back to the transmitting end, and optimizing an energy distribution factor of the information signal and the signal-to-noise ratio threshold value; the receiving end receiving the marking signal, feeding the signal-to-noise ratio threshold value back to the transmitting end based on the optimal secrecy protocol, processing the marking signal, and obtaining a confidential authentication probability; obtaining an authentication request transmission probability and a secret authentication rejection probability based on a signal-to-interference and noise ratio of the received information signal; and calculating a confidential authentication efficiency based on the confidential authentication probability, the authentication request transmission probability and the secret authentication rejection probability to determine a secrecy level of physical layer authentication, and acquiring a maximum value of the confidential authentication efficiency according to the optimized signal-to-noise ratio threshold value and the optimized energy distribution factor.

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Inventors:

XIE NING (CN)
LUO GANG (CN)

Application Number:

PCT/CN2018/085210

Publication Date:

October 31, 2019

Filing Date:

April 28, 2018

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Assignee:

UNIV SHENZHEN (CN)

International Classes:

H04W12/02

Foreign References:

CN103379434A	2013-10-30
CN105263135A	2016-01-20

Attorney, Agent or Firm:

SHENZHEN SERMON PATENT FIRM (CN)

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