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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...
Passive bistatic radar (PBR) is a well-known topic but research is mainly focused on detection and estimation, and relatively little work has been done on PBR imaging. This paper studies the feasibility of using existing signals for imaging airborne aircraft. The use of the FM band for that purpose is motivated by the geographic prevalence of radio broadcasting and the large size of an FM cell. For...
This paper addresses the issue of blind estimation of common phase error (CPE) in OFDM systems affected by phase noise (PHN). Common approaches to blind CPE detection detect the symbols, and estimate the phase noise in an iterative manner. An important assumption that these decision-directed algorithms make is that a majority of the symbols detected in the first iteration, while ignoring the presence...
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