A URLLC system performance evaluation method and system based on physical layer authentication

A physical layer and performance technology, applied in wireless communication, electrical components, security devices, etc., can solve problems such as lack of understanding and obstacles to URLLC large-scale connections

Active Publication Date: 2019-05-10
SHENZHEN UNIV
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Problems solved by technology

One is efficiency issues, due to the unavoidable various time-consuming tasks in the upper layers and in the physical layer (PHY) before the transmitter can be verified
The second is the compatibility issue, which is due to the different wireless devices produced by different manufacturers, and because the lack of understanding of different digital languages ​​​​and communication processes at the upper layer hinders the large-scale connection of URLLC

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  • A URLLC system performance evaluation method and system based on physical layer authentication
  • A URLLC system performance evaluation method and system based on physical layer authentication
  • A URLLC system performance evaluation method and system based on physical layer authentication

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[0023] Hereinafter, preferred embodiments of the present disclosure will be described in detail with reference to the drawings. In the following description, the same reference numerals are given to the same components, and repeated descriptions are omitted. In addition, the drawings are only schematic diagrams, and the ratio of dimensions between components, the shape of components, and the like may be different from the actual ones.

[0024] It should be noted that the terms "comprising" and "having" and any variations thereof in the present disclosure, such as a process, method, system, product or device that includes or has a series of steps or units, are not necessarily limited to the clearly listed instead, may include or have other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

[0025] The performance evaluation method of the URLLC system based on the physical layer authentication involved in the present disclosure is...

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Abstract

The invention discloses a URLLC system performance evaluation method based on physical layer authentication. The method comprises the steps that a transmitting end transmits a frame to a receiving end, the frame comprises a pilot signal, an authentication signal and an information signal, the authentication signal is superposed on the information signal, the information signal is obtained by performing channel coding and modulation on an initial signal, and the authentication signal is obtained based on the information signal, a Hash function and a secret key; The receiving end calculates theframe error probability based on the frame, further calculates the decoding probability of data transmission, obtains the false alarm probability based on the frame and hypothesis inspection conditions, and further obtains the average false alarm probability; based on the Neyman-Pearson theory theory, an average false alarm probability is set to be equal to an upper limit of the false alarm probability, an optimal threshold is obtained, a detection probability is obtained based on the optimal threshold, and an average detection probability is obtained based on the detection probability; And when the decoding probability and the average detection probability meet system requirements, the frame passes the authentication, and the receiving end obtains the throughput based on the decoding probability and the average detection probability so as to evaluate the performance of the URLLC system.

Description

technical field [0001] The present disclosure relates to the technical field of URLLC communication, in particular to a performance evaluation method and system of a URLLC system based on physical layer authentication. Background technique [0002] Most of the existing wireless networks usually focus on human-centric communication, delay-tolerant content, and reliability levels that fail to provide ultra-high reliability and low latency. Also new uses of wireless communication are envisioned in fields such as augmented and virtual reality, industrial control, autonomous driving or flight, robotics and the tactile internet, such as fifth generation (5G) wireless access. In response, new versions of mobile cellular networks are expected to support Ultra Reliable Low Latency Communications (URLLC) scenarios with stringent latency requirements and reliability. [0003] In the existing URLLC field, its security is usually realized through the traditional cryptographic technology...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/06H04W24/08H04W12/069
Inventor 谢宁张齐齐
Owner SHENZHEN UNIV
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