Fast Transmit Beamforming for Large Planar MIMO Radar

LIU Bingfan; CHEN Baixiao

doi:10.1049/cje.2020.06.003

Volume 29 Issue 4

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LIU Bingfan and CHEN Baixiao, “Fast Transmit Beamforming for Large Planar MIMO Radar,” Chinese Journal of Electronics, vol. 29, no. 4, pp. 759-765, 2020, doi: 10.1049/cje.2020.06.003

Citation:

LIU Bingfan and CHEN Baixiao, “Fast Transmit Beamforming for Large Planar MIMO Radar,” Chinese Journal of Electronics, vol. 29, no. 4, pp. 759-765, 2020, doi: 10.1049/cje.2020.06.003

LIU Bingfan and CHEN Baixiao, “Fast Transmit Beamforming for Large Planar MIMO Radar,” Chinese Journal of Electronics, vol. 29, no. 4, pp. 759-765, 2020, doi: 10.1049/cje.2020.06.003

Citation:

LIU Bingfan and CHEN Baixiao, “Fast Transmit Beamforming for Large Planar MIMO Radar,” Chinese Journal of Electronics, vol. 29, no. 4, pp. 759-765, 2020, doi: 10.1049/cje.2020.06.003

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Fast Transmit Beamforming for Large Planar MIMO Radar

doi: 10.1049/cje.2020.06.003

National Laboratory of Radar Signal Processing, Xidian University, Xi'an 710071, China

Received Date: 2019-02-22
Rev Recd Date: 2020-04-06
Publish Date: 2020-07-10

Abstract

Abstract

A fast method of transmit beamforming for large planar Multiple-input multiple-output (MIMO) radar is proposed. For MIMO radar with large elements, it is difficult to design a large number of orthogonal waveforms. We design a weight matrix to connect orthogonal waveforms and array elements. We optimize the weight matrix such that the transmit beampattern approximates the desired transmit beampattern. By introducing an auxiliary variable, a cyclic optimization algorithm based on Fast fourier transform (FFT) is proposed to obtain the optimal weight matrix, which is very efficient and can satisfy the real-time requirements. Numerical examples are provided to verify the effectiveness of the proposed algorithm.
- MIMO radar,
- Transmit beamforming,
- Planar array

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References(28)

References

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