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Joint OFDM Waveform Design for Communications and Sensing Convergence

Tutkimustuotosvertaisarvioitu

Yksityiskohdat

AlkuperäiskieliEnglanti
Otsikko2020 IEEE International Conference on Communications, ICC 2020 - Proceedings
KustantajaIEEE
Sivumäärä6
ISBN (elektroninen)9781728150895
DOI - pysyväislinkit
TilaJulkaistu - kesäkuuta 2020
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
TapahtumaIEEE International Conference on Communications -
Kesto: 7 kesäkuuta 202011 kesäkuuta 2020

Julkaisusarja

NimiIEEE International Conference on Communications
Vuosikerta2020-June
ISSN (painettu)1550-3607

Conference

ConferenceIEEE International Conference on Communications
Ajanjakso7/06/2011/06/20

Tiivistelmä

This paper discusses waveform design for a joint radar and communication system, where the radar transceiver and the communication transmitter are considered to be the same full-duplex base station. The downlink orthogonal frequency-division multiplexing (OFDM) waveform of the communication system is used also for sensing. Thus, unused subcarriers within the OFDM symbols are exploited for radar purposes and filled up with optimized complex-valued data, so as to minimize the lower bounds of the variances of the delay and Doppler estimates of radar target parameters, while maintaining an acceptable level of performance for the communication system. The results indicate that significant improvements can be made for the radar system, but in compensation, the power allocated for the communication subcarriers needs to be reduced. Thus, a trade-off between the converged systems allows both to operate together with reduced performance degradation.

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