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Wireless communication by leveraging the use of low-altitude unmanned aerial vehicles (UAVs) has received significant interests recently due to its low-cost and flexibility in providing wireless connectivity in areas without infrastructure coverage. This paper studies a UAV-enabled mobile relaying system, where a high-mobility UAV is deployed to assist in the information transmission from a ground...
In this paper, we consider a novel mobile relaying technique, where the relay nodes are mounted on unmanned aerial vehicles (UAVs) and hence are capable of moving at high speed. Compared with conventional static relaying, mobile relaying offers a new degree of freedom for performance enhancement via careful relay trajectory design. We study the throughput maximization problem in mobile relaying systems...
Network multiple input multiple output (MIMO), in which each user is served by all the transmitters within its range of influence, is a promising technology for higher spectral efficiency. However, such performance gain comes at the expense of significant signaling overhead due to the sharing of channel state information (CSI) and transmission data. This paper proposes a truly distributed power allocation...
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