2019
DOI: 10.1109/lsp.2018.2885617
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TenDSuR: Tensor-Based 4D Sub-Nyquist Radar

Abstract: We propose Tensor-based 4D Sub-Nyquist Radar (TenDSuR) that samples in spectral, spatial, Doppler, and temporal domains at sub-Nyquist rates while simultaneously recovering the target's direction, Doppler velocity, and range without loss of native resolutions. We formulate the radar signal model wherein the received echo samples are represented by a partial third-order tensor. We then apply compressed sensing in the tensor domain and use our tensor-OMP and tensor completion algorithms for signal recovery. Our … Show more

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Cited by 29 publications
(12 citation statements)
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“…Before proceeding, we give several properties of the expression a ∈ S(b) which is used in the constraint (15).…”
Section: B ℓ 1 -Regularized Atomic-norm Minimization Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…Before proceeding, we give several properties of the expression a ∈ S(b) which is used in the constraint (15).…”
Section: B ℓ 1 -Regularized Atomic-norm Minimization Methodsmentioning
confidence: 99%
“…In [14], the reduced time-on-target technique was introduced to perform compression in the Doppler domain. A recent work [15] extended the SUMMeR system to perform the temporal, spatial, and Doppler compression simultaneously.…”
mentioning
confidence: 99%
“…A tensor-based sub-Nyquist monostatic MIMO radar was proposed in [106] which used undersampled measurements in spectral, spatial, Doppler, and temporal domains to jointly estimate target AoAs, range, and Doppler. The received signals were modeled as a partial third-order tensor.…”
Section: A Tensor Techniques For Target Parameter Estimation In Mimo Radarmentioning
confidence: 99%
“…In the analog processing section of hybrid systems, it is common to employ phase shifters with constant modulus. Using analog switches, which are much simpler and cheaper than the phase shifters, it is possible to further make the overall system more energy-efficient by using subarrays of the larger full antenna array [16], [17]. Optimal selection of subarray elements reduces the power consumption of the analog phase shifters and low-noise amplifiers (LNAs) [18]- [20].…”
Section: Introductionmentioning
confidence: 99%