A Time-Frequency Modulation and Coding Scheme for Communications in the Presence of LFM Chirp Radar

We propose a time-frequency modulation and coding scheme for wireless communication in the presence of Linear Frequency Modulation (LFM) chirp radar interference. The time-frequency modulation framework used takes advantage of the structure of LFM chirp waveforms in time-frequency. The resulting mod...

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Vydáno v:Conference record - Asilomar Conference on Signals, Systems, & Computers s. 202 - 209
Hlavní autoři: Lin, Hsin-Yung, Bell, Mark R.
Médium: Konferenční příspěvek
Jazyk:angličtina
Vydáno: IEEE 29.10.2023
Témata:
Chirp
Codes
cross-ambiguity function
Interference
interference mitigation
LFM chirp radar
Modulation
Radar/Communications coexistence
Reed-Solomon code
Simulation
Time-frequency analysis
time-frequency signaling
Wireless communication
ISSN:2576-2303
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Popis
Shrnutí:We propose a time-frequency modulation and coding scheme for wireless communication in the presence of Linear Frequency Modulation (LFM) chirp radar interference. The time-frequency modulation framework used takes advantage of the structure of LFM chirp waveforms in time-frequency. The resulting modulation scheme results in a relatively small number of interference induced errors which can be corrected with a Reed-Solomon code. We present analytical and simulation results that show the efficacy of the approach. The resulting performance shows that LFM chirp interference can be effectively mitigated with a relatively small reduction in code rate.
ISSN:2576-2303
DOI:10.1109/IEEECONF59524.2023.10477012