Wideband MIMO Radar Transmit Beampattern Synthesis in a Spectrally Crowded Environment

Jia, Congyue; Su, Hongtao; Wang, Zhaoyi; Jing, Xinchen; Mao, Zhi

doi:10.1109/taes.2024.3372490

IEEE Trans. Aerosp. Electron. Syst.

2024

DOI: 10.1109/taes.2024.3372490

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Wideband MIMO Radar Transmit Beampattern Synthesis in a Spectrally Crowded Environment

Congyue Jia,

Hongtao Su,

Zhaoyi Wang

et al.

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2024

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Hyperparameter free sparse estimation for wideband multiple‐input‐multiple‐output radar direction finding without secondary data

Xiao,

Tang

2024

IET Radar Sonar & Navi

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The estimation of target directions of arrival (DOA) for wideband multiple‐input‐multiple‐output (MIMO) radar is investigated in this article. First, the authors establish a signal model for wideband MIMO radar systems. Then, an algorithm is proposed to estimate the target angles without secondary data (i.e. the training data from slow‐time is not required).The proposed algorithm unitises the spatial sparsity of target signals and it is derived under the Bayesian framework. It can estimate the spatial pseudo‐spectra of the targets through cyclic optimisation. Additionally, it is hyperparameter‐free and guarantees convergence. To analyse the performance of the proposed algorithm, the Cramér‐Rao bound (CRB) is derived for DOA estimation with wideband MIMO radar. Numerical examples demonstrate that even without secondary data, the proposed algorithm can accurately estimate the DOA of the targets.

show abstract

Hyperparameter free sparse estimation for wideband multiple‐input‐multiple‐output radar direction finding without secondary data

Xiao,

Tang

2024

IET Radar Sonar & Navi

View full text Add to dashboard Cite

show abstract

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Wideband MIMO Radar Transmit Beampattern Synthesis in a Spectrally Crowded Environment

Cited by 1 publication

References 42 publications

Hyperparameter free sparse estimation for wideband multiple‐input‐multiple‐output radar direction finding without secondary data

Hyperparameter free sparse estimation for wideband multiple‐input‐multiple‐output radar direction finding without secondary data

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