Khái niệm cốt lõi
Proposing a secrecy-enhancing scheme for HAP-aided ground-aerial communication using multiple flying HAPs and a hybrid FSO/THz transmission scheme.
Tóm tắt
I. Introduction
Interest in aerial interfaces like HAPs and satellites for extended coverage and high data rates.
Benefits of HAPs over LEO satellites due to shorter signal round-trip time.
II. Related Work
Various works on FSO-based networks' performance and THz communication potential.
Techniques proposed to enhance reliability of ground-aerial networks.
III. Motivation
Reliability challenges due to atmospheric attenuation, turbulence, and beam misalignment.
Need for secrecy-enhancing schemes against eavesdropping threats in vertical links.
IV. Proposed Scheme and Secrecy Analysis
Selection of relaying HAP based on highest SC using FSO or THz link with knowledge of channel state information.
Thống kê
"Results manifest the notable gain in security of the proposed scheme with respect to both (i) the single-HAP and (ii) THz feeder-based benchmark ones."
"The proposed scheme’s SOP is decreased by four orders of magnitude using 4 HAPs with respect to the first benchmark scheme."
"A 5-dB secrecy gain is manifested with respect to the second benchmark one."