Netinfo Security ›› 2022, Vol. 22 ›› Issue (6): 44-52.doi: 10.3969/j.issn.1671-1122.2022.06.005

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Security Resource Allocation Method for Internet of Things Based on Reinforcement Learning

ZHAO Hong1,2, LI Shan2, ZUO Peiliang2(), WEI Zhanzhen2   

  1. 1. University of Science and Technology of China, Hefei 230026, China
    2. Beijing Electronic Science and Technology Institute, Beijing 100070, China
  • Received:2022-02-21 Online:2022-06-10 Published:2022-06-30
  • Contact: ZUO Peiliang E-mail:zplzpl88@bupt.cn

Abstract:

As a decentralized computing structure, fog computing is applied in the Internet of things, and its inherent broadcast characteristics will make the network communication system to confront serious security threats. At the same time, in the dynamically changing fog Internet of things environment, the rational allocation of wireless resources is crucial to reduce the delay of communication services. Under the premise of the existence of untrusted nodes, this paper studies the security resource allocation problem of fog Internet of things. Based on the assumption that fog node receivers have simultaneous co-frequency full-duplex self-interference cancellation technology, a new method with physical layer security characteristics is proposed. It is an intelligent allocation method for radio resources in the fog layer. By constructing a deep reinforcement learning neural network and designing reasonable parameters such as state, action and reward, the method realizes the rapid upload of fog IoT perception data under the condition of security and confidentiality protection. The experimental results show that the method has a faster convergence speed and is significantly better than the comparison methods in performance.

Key words: Internet of things, reinforcement learning, resource allocation, physical layer security, secure communication

CLC Number: