Filters








1,076 Hits in 8.2 sec

Robust adaptive beamforming for multiple-input multiple-output radar with spatial filtering techniques

Junhui Qian, Zishu He, Wei Zhang, Yulong Huang, Ning Fu, Jonathon Chambers
2018 Signal Processing  
Abstract In this paper, we consider robust adaptive beamformer design for multiple-input multipleoutput (MIMO) radar systems.  ...  Highlights • A novel robust design of multiple-input multiple-output radar beamforming with full DoFs is proposed. • A novel jointly estimating the desired signal steering vector and the covariance matrix  ...  Conclusion 230 In this paper, a novel robust adaptive beamforming technique with full DOFs for MIMO radar has been developed.  ... 
doi:10.1016/j.sigpro.2017.09.004 fatcat:pfw3ea7otrgrzdsmavzz3epcoe

Covariance matrix reconstruction and steering vector estimation for robust adaptive transmit/receive beamforming in full phased‐MIMO radar

J. Lu, J. Yang, B. Hou, F. Zhu, G. Liu
2021 Electronics Letters  
Consequently, It is necessary to design a new robust adaptive transmit/receive beamforming for the phased-MIMO radar.  ...  The hybrid phased multiple-input-multiple-output (MIMO) radar with subarray partition can provide the transmit coherent gain of phased array and the waveform diversity of MIMO radar.  ...  Consequently, It is necessary to design a new robust adaptive transmit/receive beamforming for the phased-MIMO radar.  ... 
doi:10.1049/ell2.12120 fatcat:nrthykjr6jbdlhmv7nul7uelna

Phased-MIMO Radar: A Tradeoff Between Phased-Array and MIMO Radars

Aboulnasr Hassanien, Sergiy A. Vorobyov
2010 IEEE Transactions on Signal Processing  
We propose a new technique for multiple-input multiple-output (MIMO) radar with colocated antennas which we call phased-MIMO radar.  ...  The new technique enjoys the advantages of MIMO radar without sacrificing the main advantage of phased-array radar which is the coherent processing gain at the transmitting side.  ...  Gershman of Darmstadt University of Technology for useful discussions, providing some references and clarifications on the existing radar technology.  ... 
doi:10.1109/tsp.2010.2043976 fatcat:jcqz3c4a2bcrbdy7ilvp7pmwg4

Beam forming and Adaptive beam forming Techniques and its implementation on ADSP TS 201 Processor

Prasanth . CR
2013 IOSR Journal of VLSI and Signal processing  
Beam forming and Adaptive beam forming Techniques and its implementation on ADSP TS 201 www.iosrjournals.org  ...  Array processing involves combining all sensor outputs in some optimal manner so that the coherent signals emitted by the source are received and all other inputs are maximally discarded.  ...  The most popular conventional robust adaptive technique is the diagonal loading technique. II.  ... 
doi:10.9790/4200-0350717 fatcat:myncj4g6wjfyffgyu5ljxkacki

Transmit/receive beamforming for MIMO radar with colocated antennas

Aboulnasr Hassanien, Sergiy A. Vorobyov
2009 2009 IEEE International Conference on Acoustics, Speech and Signal Processing  
We propose a new technique for multiple-input multiple-output (MIMO) radar with colocated antennas.  ...  Moreover, the subarrays are combined jointly to form a MIMO radar resulting in higher resolution capabilities.  ...  INTRODUCTION Recently, the development of multiple-input multiple-output (MIMO) radar has been the focus of intensive research [1] - [7] .  ... 
doi:10.1109/icassp.2009.4960027 dblp:conf/icassp/HassanienV09 fatcat:gsut43d7pre23hq5yrx5djhkm4

Trends in Adaptive Array Processing

Hema Singh, Rakesh Mohan Jha
2012 International Journal of Antennas and Propagation  
The present paper deals with many facets of array signal processing and adaptive beam forming.  ...  The effects of various types of errors on the performance of an array system are illustrated along with their remedial measures.  ...  Various techniques for enhancement of robustness of adaptive arrays are also discussed.  ... 
doi:10.1155/2012/361768 fatcat:6vg46f632za2velvcwbsfdz3se

Introduction to the Issue on Advanced Signal Processing Techniques for Radar Applications

Maria S. Greco, Yuri Abramovich, Jean-Philippe Ovarlez, Hongbin Li, Xiaopeng Yang
2015 IEEE Journal on Selected Topics in Signal Processing  
Petropulu, the problem of Digital Object Identifier 10.1109/JSTSP.2015.2497458 orthogonal waveform design in Multiple Input Multiple Output (MIMO) radars with sparse sensing is formulated as an optimization  ...  In particular, the authors propose here a low computational parameter estimation techniques for Short-Time Fourier Transform (STFT) output of radar signals with enhanced frequency or temporal resolution  ... 
doi:10.1109/jstsp.2015.2497458 fatcat:7tssxg3xw5g7pnxku5zjahhg7e

OFDM Based Radcom System With Improved Performance Using Digital Beamforming Technique

Suban A, Thanga Balaji G, Mani Aravinth H, Kaleeswaran C
2014 International Journal of Computational Science and Information Technology  
Applicability of multiple antenna technique for direction of arrival estimation is also considered.  ...  In order to overcome this effect beamforming technique is used.  ...  Adaptive beamforming is used to detect and estimate the signal-of-interest at the output of a sensor array by means of optimal (e.g., leastsquares) spatial filtering and interference rejection.  ... 
doi:10.5121/ijcsity.2014.2203 fatcat:sgcjqjs6yjat5be6yeeb5jptue

Robust Beamforming Based on Covariance Matrix Reconstruction in FDA-MIMO Radar to Suppress Deceptive Jamming

Fuhai Wan, Jingwei Xu, Zhenrong Zhang
2022 Sensors  
In this paper, a robust adaptive beamforming algorithm for anti-jammer application based on covariance matrix reconstruction is proposed in FDA-MIMO radar.  ...  Frequency diverse array (FDA)-multiple-input multiple-output (MIMO) radars can generate a range-angle two-dimensional transmit steering vector (SV), which is capable of suppressing mainbeam deceptive jamming  ...  Beamformer Output Results Figure 8a depicts the filtering output results of the range-Doppler dimension under FDA-MIMO radar.  ... 
doi:10.3390/s22041479 pmid:35214380 pmcid:PMC8876521 fatcat:jrjfrvaq5remhmw7u3kenkvay4

A VIRTUAL SPACE-TIME ADAPTIVE BEAMFORMING METHOD FOR SPACE-TIME ANTIJAMMING

Fulai Liu, Ruiyan Du, Xiaoyu Bai
2017 Progress In Electromagnetics Research M  
The space-time beamformer contains two adaptive filters, i.e., spatial filter and temporal filter for canceling interference signals.  ...  In this paper, a virtual space-time adaptive beamforming method is proposed.  ...  The output SINR versus snapshots for the proposed algorithm and MVDR with input SN R = 30 dB and M = 5.  ... 
doi:10.2528/pierm17050304 fatcat:7zn75aym3zhr3fe6vw2xijj7c4

Simulation of Beam Forming Solutions for High Altitude Air Bone Systems

Basuraju S, Shantharama Rai, Aaquib Nawaz
2012 International Journal of Computer Applications  
ABSTRUCT In order to reduce the traffic problems in mobile communication network, the mobile communication system at base stations should use spatial filtering techniques This can be achieved by using  ...  Adaptive antenna system at base station.  ...  Adaptive Beamforming is used to detect and estimate the signal of interest at the output of a sensor array by means of data adaptive spatial filtering and interference rejection.  ... 
doi:10.5120/7227-0069 fatcat:xergacvzafecfcpfszdfqirdju

Robust beamforming for jammers suppression in MIMO radar

Yongzhe Li, Sergiy A. Vorobyov, Aboulnasr Hassanien
2014 2014 IEEE Radar Conference  
Robust beamforming for multiple-input multipleoutput (MIMO) radar in the background of powerful jamming signals is investigated in this paper.  ...  We design two minimum variance distortionless response (MVDR) type beamformers with adaptiveness/robustness against the powerful jammers for colocated MIMO radar.  ...  INTRODUCTION Multiple-input multiple-output (MIMO) radar has become the focus of intensive research [1] - [4] . Two configurations of MIMO radar have been developed in current literature.  ... 
doi:10.1109/radar.2014.6875667 fatcat:ctkgnecxbvg6beeggluy3uke4a

Suppression Approach to Main-Beam Deceptive Jamming in FDA-MIMO Radar Using Nonhomogeneous Sample Detection

Lan Lan, Guisheng Liao, Jingwei Xu, Yuhong Zhang, Francesco Fioranelli
2018 IEEE Access  
In this paper, a new main-beam deceptive jamming suppression approach is proposed, using nonhomogeneous sample detection in the frequency diverse array-multiple-input and multiple-output radar with non-perfectly  ...  INDEX TERMS Main-beam deceptive jamming, false targets, frequency diverse array radar, joint range-receive spatial frequency domain, nonhomogeneous sample detection, non-perfectly orthogonal waveforms,  ...  adaptive matched filter; (e) Output SINR versus input SNR performance for different radar frameworks.  ... 
doi:10.1109/access.2018.2850816 fatcat:2kvqfzy57fbu7frcff62zlyhhi

Joint Communication and Sensing: Models and Potentials of Using MIMO [article]

Xinran Fang, Wei Feng, Yunfei Chen, Ning Ge, Yan Zhang
2022 arXiv   pre-print
To simultaneously guarantee sensing accuracy and communication capacity, the multiple-input and multiple-output (MIMO) technique plays an important role, due to its unique capability of spatial beamforming  ...  Promising solutions are also discussed from the system perspective with simple, intelligent and robust principles.  ...  Qi et al. proposed a hybrid beamforming scheme to detect multiple targets and communicate with multiple users. The detection pattern is optimized with the constraint of the user SINR [108] .  ... 
arXiv:2205.09409v1 fatcat:t7lxcfdbjnen7lspkfal33zqq4

Sensor Array and Multichannel Signal Processing [In the Spotlight]

Jian Li, Brian Sadler, Mats Viberg
2011 IEEE Signal Processing Magazine  
Of particular note are the steady trends in multiple input, multiple output (MIMO) radar; the distributed interplay between sensing, communications, and processing; dimensionality reduction; and fusion  ...  Examples in the SAM SP area include transmit beampattern design in MIMO systems, robust adaptive array design, and filter synthesis [4] .  ...  IEEE eLearning Library The premier online collection of short courses and conference workshops The IEEE eLearning Library presents a better way to learn for technology professionals, students and any organization  ... 
doi:10.1109/msp.2011.941988 fatcat:ortzgsrkwvb6bo5tootmeplpxa
« Previous Showing results 1 — 15 out of 1,076 results