Drone Surveillance via Coordinated Beam Sweeping in MIMO-ISAC Networks
Palatip Jopanya, Diana P. M. Osorio, Erik G. Larsson

TL;DR
This paper presents a coordinated beam sweeping scheme for drone detection in 5G MIMO-ISAC networks, optimizing sensing and communication signals to improve detection accuracy while minimizing interference.
Contribution
It introduces a novel precoder design for coordinated APs that enhances drone detection and communication coexistence in volumetric surveillance using 5G signals.
Findings
Proposed precoder outperforms non-coordinated schemes
Sensing performance is robust to drone altitude variations
Enhanced detection accuracy with optimized beam sweeping
Abstract
This paper introduces a scheme for drone surveillance coordinated with the fifth generation (5G) synchronization signal block (SSB) cell-search procedure to simultaneously detect low-altitude drones within a volumetric surveillance grid. Herein, we consider a multistatic configuration where multiple access points (APs) collaboratively illuminate the volume while independently transmitting SSB broadcast signals. Both tasks are performed through a beam sweeping. In the proposed scheme, coordinated APs send sensing beams toward a grid of voxels within the volumetric surveillance region simultaneously with the 5G SSB burst. To prevent interference between communication and sensing signals, we propose a precoder design that guarantees orthogonality of the sensing beam and the SSB in order to maximize the sensing signal-to-interference-plus-noise ratio (SINR) while ensuring a specified SINR…
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Taxonomy
TopicsUAV Applications and Optimization · Advanced Wireless Communication Technologies · Wireless Communication Security Techniques
