Radar-Centric ISAC Through Index Modulation: Over-the-air Experimentation and Trade-offs

Date

2023-01-01

Author

Temiz, Murat
Peters, Nial J.
Horne, Colin
Ritchie, Matthew A.
Masouros, Christos

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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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This study experimentally demonstrates a radar-centric integrated sensing and communication (ISAC) system that exploits the radar transmission parameters as modulation indexes to communicate with the user devices while performing short-range radar sensing. The center frequency, bandwidth, and polarization of the transmitted radar chirps are used as modulation indexes. The simulation results have been verified by real-time over-the-air experimental measurements that have also revealed the trade-off between the radar sensing performance and communication data rate, depending on the radar waveform parameters selected in the ISAC system. The proposed dual-function radar and communication system was shown to reach up to 10 Megabits/s throughput depending on the bandwidth and centre frequency separations and chirp duration.

Subject Keywords

index modulation, integrated sensing and communication, radar sensing, wireless communication

URI

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85163720834&origin=inward
https://hdl.handle.net/11511/105889

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Department of Electrical and Electronics Engineering, Conference / Seminar