MIMO radar imaging with imperfect carrier synchronization: A point spread function analysis

Li Ding; Weidong Chen; Wenyi Zhang; H. Vincent Poor

doi:10.1109/TAES.2015.140428

MIMO radar imaging with imperfect carrier synchronization: A point spread function analysis

Li Ding, Weidong Chen, Wenyi Zhang, H. Vincent Poor

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

Multiple-input multiple-output (MIMO) radar imaging suffers from performance degradation under carrier offsets across transmitters and receivers. This paper analyzes the impact of carrier offsets on imaging a sparse target, from the perspective of the MIMO point spread function (PSF). Conditions are established for successful support recovery using orthogonal matching pursuit (OMP), and the performance loss is characterized in terms of l₂ distance. A sparse imaging algorithm taking into account the perturbation due to carrier offsets is also proposed, which improves upon the OMP algorithm. Numerical experiments corroborate this analysis.

Original language	English (US)
Article number	7272865
Pages (from-to)	2236-2247
Number of pages	12
Journal	IEEE Transactions on Aerospace and Electronic Systems
Volume	51
Issue number	3
DOIs	https://doi.org/10.1109/TAES.2015.140428
State	Published - Jul 1 2015

All Science Journal Classification (ASJC) codes

Aerospace Engineering
Electrical and Electronic Engineering

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abstract = "Multiple-input multiple-output (MIMO) radar imaging suffers from performance degradation under carrier offsets across transmitters and receivers. This paper analyzes the impact of carrier offsets on imaging a sparse target, from the perspective of the MIMO point spread function (PSF). Conditions are established for successful support recovery using orthogonal matching pursuit (OMP), and the performance loss is characterized in terms of l2 distance. A sparse imaging algorithm taking into account the perturbation due to carrier offsets is also proposed, which improves upon the OMP algorithm. Numerical experiments corroborate this analysis.",

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