no code implementations • 21 Mar 2024 • Ping Li, Bang Huang, Wen-Qin Wang
This paper addresses the problem of detecting a moving target embedded in Gaussian noise with an unknown covariance matrix for frequency diverse array multiple-input multiple-output (FDA-MIMO) radar.
no code implementations • 22 Dec 2023 • Yizhen Jia, Hui Chen, Wen-Qin Wang, Jie Cheng
To overcome this problem and ensure robust beamforming for FCA, deviations in array control parameters (ACPs) and array perturbations, the effect of mutual coupling in addition to looking-direction errors should be considered.
no code implementations • 22 Dec 2023 • Jiangwei Jian, Qimao Huang, Bang Huang, Wen-Qin Wang
Considering that frequency diverse array multiple-input multiple-output (FDA-MIMO) possesses extra range information to enhance sensing performance, this paper explores the FDA-MIMO-based integrated sensing and communication (ISAC) system.
no code implementations • 1 Jun 2023 • Wenkai Jia, Andreas Jakobsson, Wen-Qin Wang
When a target is masked by mainlobe clutter with the same Doppler frequency, it is difficult for conventional airborne radars to determine whether a target is present in a given observation using regular space-time adaptive processing techniques.
no code implementations • 14 Apr 2022 • Wenkai Jia, Andreas Jakobsson, Wen-Qin Wang
Current literature show that frequency diverse arrays (FDAs) are able of producing range-angle-dependent and time-variant transmit beampatterns, but the resulting time and range dependencies and their characteristics are still not well understood.
no code implementations • 14 Apr 2022 • Wenkai Jia, Wen-Qin Wang, Shungsheng Zhang
Frequency diverse array (FDA) differs from conventional array techniques in that it imposes an additional frequency offset (FO) across the array elements.
no code implementations • 14 Apr 2022 • Wenkai Jia, Andreas Jakobsson, Wen-Qin Wang
Owing to the fact that the resulting output signal-to-interference-plus-noise ratio (SINR) is a function of the transmit waveforms and weights, as well as due to the ever-greater competition for the finite available spectrum, a joint design scheme for the FDA transmit weights and the spectrally compatible waveforms is proposed to efficiently use the available spectrum while maintaining a sufficient receive SINR.
no code implementations • 14 Apr 2022 • Wenkai Jia, Andreas Jakobsson, Wen-Qin Wang
In this paper, we focus on the design of the transmit waveforms of a frequency diverse array (FDA) in order to improve the output signal-to-interference-plus-noise ratio (SINR) in the presence of signal-dependent mainlobe interference.