TY - JOUR
T1 - Security-Reliability Tradeoffs for Satellite-Terrestrial Relay Networks with a Friendly Jammer and Imperfect CSI
AU - Nguyen, Tan Nhat
AU - Van Chien, Trinh
AU - Tran, Dinh Hieu
AU - Phan, Van Duc
AU - Voznak, Miroslav
AU - Chatzinotas, Symeon
AU - Ding, Zhiguo
AU - Poor, H. Vincent
N1 - Publisher Copyright:
© 1965-2011 IEEE.
PY - 2023/10/1
Y1 - 2023/10/1
N2 - This article proposes and analyzes the reliability and security tradeoff for a satellite-terrestrial (SatTer) relay system. Herein, a satellite sends confidential information to multiple ground users with the help of a relay base station (BS) in the presence of multiple eavesdroppers trying to wiretap the information. In particular, a friendly jammer is deployed near the relay BS to improve secure transmissions. Moreover, the nonidentical Rayleigh fading channels and imperfect channel state information are adopted for a general system model. Then, we consider both amplify-and-forward (AF) and decode-and-forward (DF) relaying strategies to give a full picture of the benefits of each method. In this context, we derive the closed-form expressions of the outage probability and intercept probability corresponding to AF- and DF-based relaying schemes, which is a high challenge and has not been investigated before. Then, Monte-Carlo simulations are conducted to evaluate the correctness of the mathematical analysis and the effectiveness of the proposed methods. Furthermore, the security and reliability trade-off of the SatTer system and the influences of various system parameters (e.g., satellite's transmit power, channel estimation errors, relay's transmit power, fading severity parameter, the average power of light-of-sight, and satellite's multipath components) on the system performance are shown.
AB - This article proposes and analyzes the reliability and security tradeoff for a satellite-terrestrial (SatTer) relay system. Herein, a satellite sends confidential information to multiple ground users with the help of a relay base station (BS) in the presence of multiple eavesdroppers trying to wiretap the information. In particular, a friendly jammer is deployed near the relay BS to improve secure transmissions. Moreover, the nonidentical Rayleigh fading channels and imperfect channel state information are adopted for a general system model. Then, we consider both amplify-and-forward (AF) and decode-and-forward (DF) relaying strategies to give a full picture of the benefits of each method. In this context, we derive the closed-form expressions of the outage probability and intercept probability corresponding to AF- and DF-based relaying schemes, which is a high challenge and has not been investigated before. Then, Monte-Carlo simulations are conducted to evaluate the correctness of the mathematical analysis and the effectiveness of the proposed methods. Furthermore, the security and reliability trade-off of the SatTer system and the influences of various system parameters (e.g., satellite's transmit power, channel estimation errors, relay's transmit power, fading severity parameter, the average power of light-of-sight, and satellite's multipath components) on the system performance are shown.
KW - Amplify-and-forward (AF)
KW - decode-and-forward (DF)
KW - friendly jammer
KW - imperfect channel state information (CSI)
KW - nonidentical Rayleigh
KW - physical layer security
KW - relay networks
UR - http://www.scopus.com/inward/record.url?scp=85161603714&partnerID=8YFLogxK
U2 - 10.1109/TAES.2023.3282934
DO - 10.1109/TAES.2023.3282934
M3 - Article
AN - SCOPUS:85161603714
SN - 0018-9251
VL - 59
SP - 7004
EP - 7019
JO - IEEE Transactions on Aerospace and Electronic Systems
JF - IEEE Transactions on Aerospace and Electronic Systems
IS - 5
ER -