ANALYSIS OF OUTAGE PROBABILITY AND INTERCEPT PROBABILITY TRADE-OFF FOR SECURE TWO-WAY RELAYING SCHEMES BETWEEN TWO CLUSTERS OF NODES USING FOUNTAIN CODES

Authors

  • Thi Hau Nguyen Faculty of Electronics Technology, Industrial University of Ho Chi Minh City; Faculty of Electronics and Telecommunications, Saigon University
  • Minh Nam Pham Faculty of Electronics Technology, Industrial University of Ho Chi Minh City
  • Trung Duy Tran Faculty of Telecommunications 2, Posts and Telecommunications Institute of Technology
  • Lam Thanh Tu Faculty of Electrical and Electronics Engineering, Ton Duc Thang University
  • Van Khuong Ho Faculty of Electrical and Electronics Engineering, Ho Chi Minh City University of Technology (HCMUT); Vietnam National University Ho Chi Minh City

Keywords:

digital network coding, physical-layer security, Fountain codes, outage probability, intercept probability

Abstract

This paper presents two secure two-way relaying schemes between two clusters of nodes: i) 3-phase two-way relaying using Digital Network Coding; ii) conventional 4-phase two-way relaying. In the proposed schemes, one node selected from each cluster will use Fountain codes to encode the original data, and then send encoded packets to nodes in the remaining cluster, with the help of a common relay node. Explicit mathematical expressions are derived to evaluate the outage probability (system outage probability) and intercept probability (system intercept probability) of the proposed schemes over the Rayleigh fading channel. Our results show a reliability-security trade-off as well as the impact of system parameters on the network performances.

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Published

2025-01-20

Issue

Vol. 13 No. 02 (2024)

Section

Bài viết