Waveform Design for 4D-Imaging mmWave PMCW MIMO Radars with Spectrum Compatibility

Conference paper

Sichani, N. K., Alaee-Kerahroodi, M., Shankar, M. R. B., Mehrshahi, E. and Ghorashi, S. 2023. Waveform Design for 4D-Imaging mmWave PMCW MIMO Radars with Spectrum Compatibility. European Radar Conference 2023. Berlin, Germany. 20 - 22 Sep 2023 IEEE. https://doi.org/10.23919/EuRAD58043.2023.10289319
AuthorsSichani, N. K., Alaee-Kerahroodi, M., Shankar, M. R. B., Mehrshahi, E. and Ghorashi, S.
TypeConference paper
Abstract

4D-imaging mmWave radars offer high angular resolution in both azimuth and elevation, but achieving this requires a large antenna aperture size and a significant number of transmit and/or receive channels. This presents a challenge
for designing transmit waveforms that are both orthogonal
and separable on the receive side, as well as have low
auto-correlation sidelobes. This paper focuses on designing an orthogonal set of sequences for 4D-imaging radar sensors based on PMCW technology. We propose an iterative optimization framework based on Coordinate Descent, which considers the Regions Of Interest (ROI) and optimizes a phase-modulated constant modulus waveform set based on weighted integrated sidelobe level on the required ROI and spectrum shaping. The optimization also accounts for the radar working adjacent to communication systems and other radar sensors. Simulation results are provided to demonstrate the effectiveness of the proposed method, which achieves low sidelobe levels and is compatible with spectrum constraints.

KeywordsmmWave Radar; PMCW; CDM-MIMO; WISL; Waveform design; Spectrum shaping
Year2023
ConferenceEuropean Radar Conference 2023
PublisherIEEE
Accepted author manuscript
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File Access Level
Anyone
Publication dates
Online26 Oct 2023
Publication process dates
Accepted17 May 2023
Deposited19 Jun 2023
Journal citationpp. 110-113
Book title2023 20th European Radar Conference (EuRAD)
ISBN9782874870743
Digital Object Identifier (DOI)https://doi.org/10.23919/EuRAD58043.2023.10289319
Web address (URL) of conference proceedingshttps://ieeexplore.ieee.org/xpl/conhome/10288580/proceeding
Copyright holder© 2023, The Authors
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