On Secure Uplink Transmission in Hybrid RF-FSO Cooperative Satellite-Aerial-Terrestrial Networks

Abstract
This work investigates the secrecy outage performance of the uplink transmission of a radio-frequency (RF)-free-space optical (FSO) hybrid cooperative satellite-aerial-terrestrial network (SATN). Specifically, in the considered cooperative SATN, a terrestrial source (S) transmits its information to a satellite receiver (D) via the help of a cache-enabled aerial relay (R) terminal with the most popular content caching scheme, while a group of eavesdropping aerial terminals (Eves) trying to overhear the transmitted confidential information. Moreover, RF and FSO transmissions are employed over S-R and R-D links, respectively. Considering the randomness of R, D, and Eves, and employing a stochastic geometry framework, the secrecy outage performance of the cooperative uplink transmission in the considered SATN is investigated and a closed-form analytical expression for the end-to-end secrecy outage probability is derived. Finally, Monte-Carlo simulations are shown to verify the accuracy of our analysis.

Citation
Ma, Y., Lv, T., Pan, G., Chen, Y., & Alouini, M.-S. (2022). On Secure Uplink Transmission in Hybrid RF-FSO Cooperative Satellite-Aerial-Terrestrial Networks. IEEE Transactions on Communications, 1–1. https://doi.org/10.1109/tcomm.2022.3214891

Acknowledgements
This work was supported by the National Natural Science Foundation of China (NSFC) under Grant 62271068 and 62171031.

Publisher
IEEE

Journal
IEEE Transactions on Communications

DOI
10.1109/TCOMM.2022.3214891

arXiv
2210.05868

Additional Links
https://ieeexplore.ieee.org/document/9919807/https://ieeexplore.ieee.org/document/9919807/https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9919807

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