Performance trade-off analysis of co-design of radar and phase modulated communication signals in frequency hopping MIMO systems

Indu Priya Eedara; Moeness G. Amin

doi:10.1117/12.2519880

13 May 2019 Performance trade-off analysis of co-design of radar and phase modulated communication signals in frequency hopping MIMO systems

Indu Priya Eedara, Moeness G. Amin

Author Affiliations +

Proceedings Volume 10989, Big Data: Learning, Analytics, and Applications; 109890K (2019) https://doi.org/10.1117/12.2519880
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

Abstract

We present a dual-function radar communication (DFRC) system in which phase modulated information symbols are embedded in the multiple-input multiple-output (MIMO) frequency hopping (FH) radar sub-pulses in fast-time. The communications are considered as the secondary function of the proposed dual-function radar communication (DFRC) systems. We use differential phase shift keying (DPSK) and continuous phase modulation (CPM). These modulations preserve the continuous phase between the FH sub-pulses, unlike phase shift keying (PSK) modulated symbols. The performance of FH/DPSK and FH/CPM systems is compared with that of the FH/PSK system in terms of range sidelobe levels (RSL) and power spectral density (PSD). It is shown that the proposed DFRC systems exhibit better spectral containment and lower spectral sidelobe levels. The communication data rates for the proposed system are derived, and to assume relatively high values.

Citation Download Citation

Indu Priya Eedara and Moeness G. Amin "Performance trade-off analysis of co-design of radar and phase modulated communication signals in frequency hopping MIMO systems", Proc. SPIE 10989, Big Data: Learning, Analytics, and Applications, 109890K (13 May 2019); https://doi.org/10.1117/12.2519880

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