Conventional modulation techniques using fixed constellations, such as QAM and PSK, are increasingly challenged in dynamic and non-stationary satellite channels due to their limited adaptability and vulnerability to interception and signal classification. This paper proposes a deep reinforcement learning (DRL)-based ad...
Ya-Peng Xie, A. Al-Hourani, Nermine Hendy et al.· IEEE International Symposium...· 0 citations
The results show that, at sufficiently high signal-tonoise ratio (SNR), the information rate becomes largely insensitive to PN power allocation, enabling near-perfect secrecy with M - QAM modulation-highlighting a key departure from Shannoncapacity-based secrecy analyses and underscoring the practicality of finite-alph...
Fernando Moya Caceres, C. Divarathne, Ya-Peng Xie et al.· IEEE International Symposium...· 0 citations
The integration of non-orthogonal multiple access (NOMA) with sub-Terahertz and Terahertz (sub-THz/THz) wireless communications can be a key enabler for future 6G networks, offering enhanced spectral efficiency and massive connectivity in highly directional and bandwidth-rich frequency bands. In this work, we investiga...
H. C. Mora, Fernando Moya Caceres, N. O. Garzón et al.· IEEE Open Journal of the Com...· 0 citations
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