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- W4288728837 abstract "Being a key technology for beyond fifth-generation wireless systems, joint communication and radar sensing (JCAS) utilizes the reflections of communication signals to detect foreign objects and deliver situational awareness. A cellular-connected unmanned aerial vehicle (UAV) is uniquely suited to form a mobile bistatic synthetic aperture radar (SAR) with its serving base station (BS) to sense over large areas with superb sensing resolutions at no additional requirement of spectrum. This paper designs this novel BS-UAV bistatic SAR platform, and optimizes the flight path of the UAV to minimize its propulsion energy and guarantee the required sensing resolutions on a series of interesting landmarks. A new trajectory planning algorithm is developed to convexify the propulsion energy and resolution requirements by using successive convex approximation and block coordinate descent. Effective trajectories are obtained with a polynomial complexity. Extensive simulations reveal that the proposed trajectory planning algorithm outperforms significantly its alternative that minimizes the flight distance of cellular-aided sensing missions in terms of energy efficiency and effective consumption fluctuation. The energy saving offered by the proposed algorithm can be as significant as 55%." @default.
- W4288728837 created "2022-07-30" @default.
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- W4288728837 date "2022-07-26" @default.
- W4288728837 modified "2023-09-29" @default.
- W4288728837 title "Trajectory Planning of Cellular-Connected UAV for Communication-assisted Radar Sensing" @default.
- W4288728837 doi "https://doi.org/10.48550/arxiv.2207.13238" @default.
- W4288728837 hasPublicationYear "2022" @default.
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