TL;DR
An analytical framework to study turbulence-driven channel behavior, system reliability, and diversity-assisted mitigation strategies in non-terrestrial optical communication systems in beyond-5G and 6G technologies is developed.
Non-terrestrial networks (NTNs) are emerging as a key component of 6G systems by extending ubiquitous and resilient connectivity across satellite, aerial, and terrestrial layers. However, severe propagation loss, rapidly varying geometry, Doppler, blockage, and stringent payload and energy constraints make efficient be...
As a core infrastructure of modern information society, cellular networks have long supported terrestrial communications and are now being extended to low-altitude connectivity with the growth of the low-altitude economy. However, the increasing number of aerial vehicles poses new challenges to airspace supervision and...
Inter-satellite links (ISLs) are essential to the evolution of next-generation satellite constellations, providing the foundation for low-latency, resilient, and globally scalable connectivity. While low radio-frequency (RF)-based ISLs offer technological maturity, they are increasingly constrained by spectrum scarcity...
An approach based on ITU rain-attenuation models predicts the capacity that wireless point-to-point links can guarantee at different reliability levels and finds that combining high and low bands can enable ultra-reliable operation, albeit with reduced capacities, while relaying improves guaranteed capacity at moderate...
Numerical results indicate that the proposed framework outperforms benchmark schemes while accounting for traffic demands and EE, resulting in a mixed-integer nonlinear program (MINLP) for which finding a globally optimal solution is generally intractable.
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