Beam forming
Simulation of Beam Forming Solutions for High Altitude Air Bone Systems
... Beam forming is a signal processing technique used in sensor arrays for directional signal transmission or reception. The spatial selectivity is achieved by using adaptive or fixed receive/transmit ...
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Distributed beam forming with phase only control for green cognitive radio networks
... adaptive beam forming techniques, CR can reuse the spectrum with LU via directing main beams towards CR users while displaying nulls towards ...distributed beam forming (DB) technique, and ...
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Selection of Optimal Beam Forming Algorithm for Mobile Ad Hoc Networks
... In a similar work [9] the authors have used beamforming antennas to increase the transmission range and also to reduce the interference level in ad hoc net- works. The authors have considered a number of enhancements ...
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Optimization of Leaky Feeder Slot Spacing for Better Beam Forming in Mines and Tunnels
... The radiating cable (or leaky feeder) is the leading solution for distributed broadband wireless access in underground mines and tunnels. The traditional radiating cable has equally spaced slots along its axis radiating ...
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Modelling, simulation and impelementation of an optical beam forming network control software system
... and beam steering, together called beam forming, is needed when pro- cessing the radio frequency signals received by a Phased Array Antenna ...Optical Beam Forming Network ...
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MMSE and ML Adaptive Beam Forming Algorithms for WCDMA Mobile Communication Systems
... Adaptive Beam forming is a technique in which an array of antennas is exploited to achieve maximum reception in a specified direction by estimating the signal arrival from a desired direction (in the ...
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The Beam Forming Technique for Enhancement of Noisy Seismic Refraction Data
... tagged beam-forming technique, is based on the basic time-distance equations of refraction ...of beam forming therefore leads to improvement in signal-to-noise ratio (SNR) and correct ...
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A New Modified Variable Steps Size Griffiths Beam Forming Algorithm with Feedback Loop
... of beam forming algorithm as well as improve the convergence of the ...existing beam forming algorithms namely LMS, RLS, Griffiths and Variable Step Size ...
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Design of Phased Array Antenna for Beam Forming Applications using 4X4 Butler Matrix
... RF beam-forming ...butler beam forming matrix is given in Figure ...ith beam measured from broadside, the Butler beam patterns are as follows: (a) (b) ...Butler beam ...
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Design of Phased Array Antenna for Beam Forming Applications using 4X4 Butler Matrix
... RF beam-forming ...butler beam forming matrix is given in Figure ...ith beam measured from broadside, the Butler beam patterns are as follows: (a) (b) ...Butler beam ...
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The Research of Beam Forming Algorithms In Cognitive Radio Systems
... (5) The partial derivatives of the two sides of the formula (5), thus obtained the corresponding variable, According to the derivation, the beam forming matrix of the macro cell can be obtained as follows: ...
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Performance Enhancement for Adaptive Beam Forming Application Based Hybrid PSOGSA Algorithm
... Recently, Gravitational Search Algorithm (GSA) is considered as a new optimization technique based on the law of gravity and mass interaction [7]. Where a set of various standard benchmark functions, synthesis of thinned ...
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Abstract Laser beam forming, a non-contact manufacturing
... laser beam forming research to date ...laser beam forming of titanium and titanium alloys but most importantly reports on the formation of curvatures in the formed plates and not just straight ...
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PLACEMENT AND SIZING OF DISTRIBUTED GENERATORS IN DISTRIBUTED NETWORK BASED ON LRIC AND LOAD GROWTH CONTROL
... the beam forming algorithm is using, if the mutual coupling is not ...the beam forming algorithm is useful, if the mutual coupling is not ...
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Performance analysis of different array configurations for smart antenna applications using firefly algorithm
... the beam forming capabilities of uniform hexagonal array (UHA) and planar uniform hexagonal array (PUHA) configurations as compared to circular array by controlling amplitude excitation only using firefly ...
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Analog chain calibration in Digital Beam Forming applications
... This paper deals with the issues present in a Digital Beam Forming Network (DBFN) system related to the non- idealities introduced by the hardware implementation. In particular, the paper considers the ...
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Development of a New Adaptive Beam Forming Technique for Smart Antenna System
... and the recursive least square that gave minimum square error of 3.5*10 -2 , good tracking performance compared to other algorithms such as the least mean square (LMS) and recursive least square (RLS) algorithms since it ...
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CFO Parallel Implementation on GPU for Adaptive Beam forming Applications
... adaptive beam forming ...adaptive beam forming using Central Force Optimization (CFO) ...resulting beam-pattern optimized by the CFO required a large processing time which is not ...
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A Novel Adaptive Beam forming RLMS Algorithm for Smart Antenna System
... digital beam forming [2]. It is mainly used to calculate beam forming vectors and to track & locate the antenna beam on the mobile target ...
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Transmits Beam forming and Receiver Design for MIMO Radar
... Compared to phased-array, multiple-input multiple-output (MIMO) radars provide more degrees-of freedom (DOF) that can be exploited for improved spatial resolution, better parametric identifiability, lower side-lobe ...
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