Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 21 for “"MIMO radar"”.
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Some contributions on MIMO radar
… advances in Multiple Input Multiple Output (MIMO) wireless communications, this dissertation aims at exploring the potential of MIMO approaches in the radar context. In communications, MIMO systems combat the fading effects of the multi-path channel with spatial diversity. Further, the …
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Target localization in MIMO radar systems
MIMO (Multiple-Input Multiple-Output) radar systems employ multiple antennas to transmit multiple waveforms and engage in joint processing of the received echoes from the target. MIMO radar has been receiving increasing attention in recent years from researchers, practitioners, and funding …
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Evaluation of coding scheme for MIMO radar
Multiple Input Multiple Output (MIMO) antenna systems have shown a great potential for wireless communication. These systems support high capacity, increased diversity and interference suppression. Recently it has been proposed MIMO constellations for Radar. MIMO Radar is not only a new research …
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Adaptive MIMO Radar for Target Detection, Estimation, and Tracking
… targets using multiple-input multiple-output: MIMO) radar systems. MIMO radar systems have attracted much attention in the recent past due to the additional degrees of freedom they offer. They are commonly used in two different antenna configurations: widely-separated: distributed) and …
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Study on the detection performance of MIMO radar systems
… studied the detection performance of MIMO radar systems: the study can be divided into two parts, viz. detection of stationary targets and detection of moving targets.
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Transmit Signal Design for MIMO Radar and Massive MIMO Channel Estimation
… signal design increasingly important for radar and wireless communication systems. In the rst part of this work, we develop the framework for a MIMO radar transmit scheme which trades o waveform diversity for beampattern directivity. Time-division beamforming consists of a linear precoder …
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The Bi-directional Spatial Spectrum for MIMO Radar and Its Applications
<p>Radar systems have long applied electronically-steered phased arrays to discriminate returns in azimuth angle and elevation angle. On receiver arrays, beamforming is performed after reception of the data, allowing for many adaptive array processing algorithms to be employed. However, on …
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Accurate detection for self driving cars using multi-resolution MIMO radar
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-15 without embargo terms
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MIMO radar: signal processing, waveform design, and applications to synthetic aperture imaging
… capability of multiple-input, multiple-output (MIMO) radar techniques to improve the image quality and area-coverage rate of synthetic aperture imaging systems. A signal processing architecture for MIMO radar is used to understand the applicability of MIMO for synthetic aperture radar (SAR) and …
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Unitary Space-Time Waveform Scheduling for High-Resolution Delay-Doppler MIMO Radar Sensing
<p>In this dissertation, we deal with radar systems where multiple radar waveforms are simultaneously transmitted from different antennas. The goal is to process the returns in a way that the overall ambiguity function is a sum of individual ambiguity functions, such that the sum better …
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Resilient Waveform Design for OFDM-MIMO Communication Systems
… (OFDM) and the Multiple Input Multiple Output (MIMO) systems; the `de-facto' air-interface of most wireless broadband standards including LTE and WiMAX. The major contributions of this dissertation are: 1) developing jamming taxonomy, 2) proposing OFDM and MIMO equalization jamming attacks and …
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Contemporary Approaches to Radar Detection: Robust Statistics, Reinforcement Learning, and Reconfigurable Intelligent Surfaces
Radar detection is one of the most fundamental problems in wireless signal processing and has been thoroughly studied for decades. As such, there is very well established theory for radar detection under a myriad of different system models; however, as the machine that is research continues to …
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Generalized DFT: extensions in communications
… in order to deliver better performance. For MIMO Radar systems, the ideal case to detect a moving target is when all waveforms are orthogonal, which can provide an accurate estimation. But this is not practical in distributed MIMO radars, where sensors are at varying distances from a target. …
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Global optimization methods for localization in compressive sensing
… localization in multiple-input multiple-output (MIMO) radars. Compressive sensing is a paradigm at the intersection between signal processing and optimization. It advocates the sensing of "sparse" signals (i.e., represented using just a few terms from a basis expansion) by using a sampling rate …
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Enabling Technologies for Joint Communication and Sensing in Aviation
… performance of multiple-input multiple-output (MIMO) radar systems. Additionally, electronic beamsteering is employed as a complementary technology to MIMO antenna arrays, with the objective of enhancing detection accuracy within the angular range. Finally, unconventional antenna array designs, …
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A compressed sensing approach to block-iterative equalization: connections and applications to radar imaging reconstruction
… new recursions are illustrated under a novel 3D MIMO Radar formulation, where the CAMP algorithm is shown to fail with respect to important performance measures.
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Target localization in passive and active systems : performance bonds
… to the ambiguity function (AF) as a tool for radar design. Furthermore, the derivation is extended to the problem of estimating target's location and velocity in a distributed multiple input multiple output (MIMO) radar system. The derived bound is determined by SNR, by the product between the …
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Optimization methods for active and passive localization
… fields. In active localization, such as in MIMO radar, transmitters emit signals that are reflected by the targets and collected by the receive sensors, whereas, in passive localization the sensors collect the signals emitted by the sources themselves. This dissertation studies optimization …
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