Aydogdu, C; Liu, F; Masouros, C; Wymeersch, H; Rydstrom, M; (2020) Distributed Radar-aided Vehicle-to-Vehicle Communication. In: Proceedings of the IEEE Radar Conference (RadarConf20) 2020. Institute of Electrical and Electronics Engineers (IEEE): Florence, Italy.

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Abstract

Establishing high-rate vehicle-to-vehicle (V2V) links with narrow beamwidth is challenging due to the varying network topology. A too narrow beam may miss the intended receiver, while a too broad beam leads to SNR loss. We propose to harness the high accuracy of radar detections to establish V2V links. In particular, we develop a distributed method where each vehicle associates local radar detections with GPS information communicated by nearby vehicles. The method relies on the transformation of relative to global coordinates, the definition of a suitable metric, and solving an optimal assignment problem. We demonstrate that the proposed approach avoids time-consuming channel estimation and provides high SNR, under the condition that reliable relative and absolute location information is present.

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