Multi-Aperture Space-Time Transmit and Receive Design for MIMO Radar

Xudong Zhang, Fangzhou Wang, Hongbin Li

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We consider the joint transmit and receive design for multi-input multi-output radar with slow-time processing. The radar employs multiple transmit apertures to improve diversity. The design parameters include the spatial transmit code for each aperture, which varies from pulse to pulse to provide Doppler shaping, and the space-time receive filter, to jointly optimize the radar output signal-to-interference-and-noise ratio (SINR). To relieve the dependence on specific target parameters as required by some prior methods, we use the average SINR, averaged with respect to the target location/Doppler uncertainties, as the design metric. Simulation results show that our proposed multi-aperture solution outperforms a previous single-aperture based space-time transmit and receive design as well as the conventional phased-array radar.

Original languageEnglish
Article number9406351
Pages (from-to)947-951
Number of pages5
JournalIEEE Signal Processing Letters
Volume28
DOIs
StatePublished - 2021

Keywords

  • MIMO radar
  • average SINR
  • multi-aperture
  • space-time transmit and receive design

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