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- W3167006714 abstract "In this paper, we consider a hybrid satellite-terrestrial network (HSTN) where a multiantenna satellite communicates with a ground user equipment (UE) with the help of multiple cache-enabled amplify-and-forward (AF) three-dimensional (3D) mobile unmanned aerial vehicle (UAV) relays. Herein, we employ the two fundamental most popular content (MPC) and uniform content (UC) caching schemes for two types of mobile UAV relays, namely fully 3D and fixed height. Taking into account the multiantenna satellite links and the random 3D distances between UAV relays and UE, we analyze the outage probability (OP) of considered system with MPC and UC caching schemes. We further carry out the corresponding asymptotic OP analysis to present the insights on achievable performance gains of two schemes for both types of 3D mobile UAV relaying. Specifically, we show the following: (a) MPC caching dominates the UC and no caching schemes; (b) fully 3D mobile UAV relaying outperforms its fixed height counterpart. We finally corroborate the theoretic analysis by simulations." @default.
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- W3167006714 date "2021-08-01" @default.
- W3167006714 modified "2023-09-26" @default.
- W3167006714 title "Outage Performance of 3D Mobile UAV Caching for Hybrid Satellite-Terrestrial Networks" @default.
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- W3167006714 doi "https://doi.org/10.1109/tvt.2021.3089742" @default.
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