wideband beamforming
White noise reduction for wideband beamforming based on uniform rectangular arrays
... all wideband beamforming algorithms is dependent on the level of noise in the system, and normally the lower the level of noise, the better is the ...in wideband arrays is spatially (and also ...
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White Noise Reduction for Wideband Beamforming Based on Uniform Rectangular Arrays
... all wideband beamforming algorithms is dependent on the level of noise in the system, and normally the lower the level of noise, the better is the ...in wideband arrays is spatially (and also ...
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Performance improvement for wideband beamforming with white noise reduction based on sparse arrays
... of wideband beamforming has been in the focus of research with various applications such as radar, sonar and wireless communications for many years [1], [2], ...
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Sparse Array Design for Wideband Beamforming with Reduced Complexity in Tapped Delay-lines
... Wideband beamforming has been studied extensively in the past [1], [2], [3], [4], [5], [6]. It is well-known that in order to avoid the spatial aliasing problem for uniform linear arrays (ULAs), the ...
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Robust Adaptive Wideband Beamforming Using Probability-Constrained Optimization
... In this paper, we extend the probability-constrained approach to a wideband beamformer without the small steering vector errors assumption, called RB-PC. In order to alleviate the high computational complexity of ...
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Performance Improvement for Wideband Beamforming with White Noise Reduction Based on Sparse Arrays
... of wideband beamforming has been in the focus of research with various applications such as radar, sonar and wireless communications for many years [1], [2], ...
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A New Ultra-Wideband Beamforming for Wireless Communications in Underground Mines
... matrix using wideband crossover has been proposed. This matrix still narrowband because of the limited band of the hybrid couplers used in these structures. Tudosie et al. [20], have built an 8 × 8-matrix at 5 GHz ...
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A Wideband Array Beamforming Method of Conformal Array Based by All pass Digital Filters
... In wideband beamforming, a real-time delay line is required instead of a conventional antenna element phase ...the wideband beamforming method with no carrier and very narrow pulse is ...
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A Comparison of Adaptive Beamforming Implementations for Wideband Scenarios
... Ultra-wideband (UWB) communications offers a radically dif- ferent approach to wireless communication compared to con- ventional narrowband systems. This fast emerging technol- ogy with uniquely attractive ...
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Practical Beamforming Technologies for Wideband Digital Array Radar
... WDAR requires high level of digitization, with the fast development of software & hardware platform and digital processers such as analog to digital converter (ADC)/digital to analog converter (DAC), FPGA and DSP ...
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Performance Analysis of Adaptive Beamforming Techniques
... with beamforming techniques such as LMS and RLS for evaluated low signal to noise ...different beamforming techniques an effect of varying its ...three beamforming techniques LMS, NLMS and RLS using ...
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Visible light communication using TDMA optical beamforming
... optical beamforming to accommodate multiple users in the VLC using optical ...tical beamforming is a technique to focus LED light on each different target device in each time ...optical beamforming ...
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B-Mode Photoacoustic Imaging using Linear Array: Numerical Study for Forward-Backward Minimum Variance Beamformer Combined with Delay-Multiply-and-Sum
... PAI provides anatomical, structural, and molecular information making it one of the most important imaging modalities, especially linear-array PAI. The most challenging problem in linear-array PAI is image formation due ...
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Adaptive Radial Basis Function Detector for Beamforming
... Conclusions ❏ Nonlinear beamforming achieves significantly smaller system bit error rate and larger user capacity ❏ Optimal Bayesian beamforming solution has an inherent symmetry structu[r] ...
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Using neural network front-ends on far field multiple microphones based speech recognition
... are beamforming techniques [1], which perform a chan- nel based noise reduction, temporal and spatial filtering [2, ...vanced beamforming also considers the correlation among different channels [4], and ...
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Constant Modulus Blind Adaptive Beam forming Based on Advanced Unscented Kalman Filtering
... [1] Bhotto, Md.Z.A. and Bajic, I.V. (2015) Constant Modulus Blind Adaptive Beamforming Based on Unscented Kalman Filtering. IEEE Signal Processing Letters, 22, 474-478. [2] Triechler, J.H. and Agee, B.G. (1983) A ...
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Multi beam coverage and beamforming technology for high altitude platform station communication system
... multi- beamforming technology and space-time block code technology can obtain high coding gain and diversity gain without sacrificing bandwidth, and effectively im- prove the wireless systematic ...
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Based on virtual beamforming cooperative jamming with Stackelberg game for physical layer security in the heterogeneous wireless network
... virtual beamforming, which helps to secure information transmission be- tween source node and destination nodes, and to pre- vent an eavesdropper node from eavesdropping on useful ...
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Robust Linear MIMO in the Downlink: A Worst-Case Optimization with Ellipsoidal Uncertainty Regions
... The inferior performance of the design described above in Section 3.2 is because the bound is very loose and rarely achievable in most cases. In general, one can obtain robustness by the power-only optimization with ...
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A FORMAL DEFINITION OF METRICS FOR OBJECT ORIENTED DESIGN: MOOD METRICS
... This paper describes the analysis of multiple input multiple output (MIMO) Beamforming with adaptive modulation using spectral efficiency as a figure of merit in multipath fading environment. Multipath fading ...
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