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eess.SP2024
Windowed Dictionary Design for Delay-Aware OMP Channel Estimation under Fractional Doppler
Hanning Wang, Xiang Huang, Rong-Rong Chen +1
Delay-Doppler (DD) signal processing has emerged as a powerful tool for analyzing multipath and time-varying channel effects. Due to the inherent sparsity of the wireless channel i…
eess.SP2024
Exploring the Impact of HAPS-RIS on UAV-Based Networks: a Novel Network Architecture
Arman Azizi, Mustafa A. Kishk, Arman Farhang
In this paper, we propose a network architecture where two types of aerial infrastructures together with a ground station provide connectivity to a remote area. A high altitude pla…