Journal ArticleDOI
Receiver Design for Range and Doppler Sidelobe Suppression Using MIMO and Phased-Array Radar
Guang Hua,Saman S. Abeysekera +1 more
TLDR
This paper investigates the receiver instrumental variable filter design for sidelobe suppression using multiple-input-multiple-output (MIMO) and phased-array radar, and shows that the bounds of clear area of matched filter output (ambiguity function) are inapplicable for the IV filter design.Abstract:
This paper investigates the receiver instrumental variable (IV) filter design for sidelobe suppression using multiple-input-multiple-output (MIMO) and phased-array radar. First, we analyze the performance of existing integrated sidelobe level (ISL) and the zero sidelobe (ZS) methods for range sidelobe suppression, and show the latter's superiority. The limitation of MIMO radar sidelobe suppression in a large number of range bins is discussed. It is shown that the phased-array radar avoids this limitation. Then we consider joint range and Doppler sidelobe suppression, and the solutions for both MIMO and phased-array radar are derived, classified, and analyzed. The conclusions are drawn through performance trade-off. The use of phased-array radar compromises the waveform diversity of MIMO radar. However, with the objective of range, and joint range and Doppler sidelobe suppression, phased-array radar has better performance in terms of computational complexity, sidelobe suppression level and signal-to-noise ratio (SNR) loss. This will relieve the design workload for large scale radar systems. In addition, we show via simulations that the bounds of clear area of matched filter output (ambiguity function) are inapplicable for the IV filter design.read more
Citations
More filters
Journal ArticleDOI
Efficient Transmit Beamspace Design for Search-Free Based DOA Estimation in MIMO Radar
TL;DR: Simulation results demonstrate the improvement in the DOA estimation performance offered by using the proposed joint and SDD transmit beamspace design methods as compared to the traditional MIMO radar technique.
Journal ArticleDOI
An Adaptive Range-Angle-Doppler Processing Approach for FDA-MIMO Radar Using Three-Dimensional Localization
TL;DR: An enhanced three-dimensional localization technique is proposed for the case with severe range ambiguity problem, which evidently reduces the dimensions of the processor and efficiently suppresses clutter in practical applications.
Journal ArticleDOI
Coherent MIMO radar: The phased array and orthogonal waveforms
TL;DR: A number of gain patterns are introduced, which quantify the antenna performance of a MIMO radar, and the impact of the waveform characteristics is discussed.
Journal ArticleDOI
Robust Adaptive Beamforming for Fast-Moving Target Detection With FDA-STAP Radar
TL;DR: A robust adaptive beamforming approach is proposed for the FDA-STAP radar to enhance fast-moving target detection performance and it is demonstrated via computer simulations that the proposed algorithm is superior to the state-of-the-art methods, which includes maintaining the mainlobe of the beampattern and improving the signal-to-clutter-plus-noise ratio performance.
Journal ArticleDOI
Ambiguity Function of the Transmit Beamspace-Based MIMO Radar
TL;DR: This paper derives an ambiguity function (AF) for the transmit beamspace (TB)-based MIMO radar for the case of far-field targets and narrow-band waveforms and proposes a new TB design strategy to reduce the levels of the AF sidelobes and shows in simulations that proper design of the TB matrix leads to reduction of the relative sidelobe levels.
References
More filters
Book
MIMO Radar Signal Processing
Jian Li,Petre Stoica +1 more
TL;DR: In this paper, the authors present a generalization of the likelihood ratio test for MIMO radar, which is used for target localization in clutter-free environments, as well as to evaluate the performance of a single-input single-out (SISO) system with multiple-output (MISO) receivers.
Journal ArticleDOI
Target Detection and Localization Using MIMO Radars and Sonars
I. Bekkerman,Joseph Tabrikian +1 more
TL;DR: This paper shows that the configuration with spatially orthogonal signal transmission is equivalent to additional virtual sensors which extend the array aperture with virtual spatial tapering and provides higher performance in target detection, angular estimation accuracy, and angular resolution.
Journal ArticleDOI
Transmit beamforming for MIMO radar systems using signal cross-correlation
TL;DR: The use of multiple signals with arbitrary cross-correlation matrix R is proposed, and it is shown that R can be chosen to achieve or approximate a desired spatial transmit beampattern.
Journal ArticleDOI
Phased-MIMO Radar: A Tradeoff Between Phased-Array and MIMO Radars
TL;DR: Substantial improvements offered by the proposed phased-MIMO radar technique are demonstrated analytically and by simulations through analyzing the corresponding beam patterns and the achievable output signal-to-noise-plus-interference ratios.
Journal ArticleDOI
Polyphase code design for Orthogonal Netted Radar systems
TL;DR: The proposed algorithm integrates a statistical simulated annealing algorithm with the traditional iterative code selection method and is demonstrated to be effective for the design of polyphase signals used in ONRS.