linear adaptive antenna arrays
Multi-Beam Ring Antenna Arrays Synthesis by the Application of Adaptive Particle Swarm Optimization
... the adaptive particle swarm optimization algorithm over other existing algorithms lies in the pseudo code of APSO which generates new fresh particles after a number of iteration cycles to increase diversity of ...
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Assessment of MVDR Adaptive Beamforming algorithm in uniform linear arrays, uniform rectangular arrays and uniform circular arrays configurations
... for adaptive beamforming will be presented in ...into antenna array from far field to three different array geometries including; uniform linear arrays (ULAs), uniform rectangular ...
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Genetical Swarm Optimizer for Synthesis of Multibeam Linear Antenna Arrays
... To stimulate the swarm with sustainable development, the inactive particle should be replaced by a fresh one adaptively so as to keeping the non-linear relations of feedback in Equation (3) efficiently by ...
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An Extension of the Linear Embedding via Green's Operators Method for the Analysis of Disconnected Finite Antenna Arrays
... the linear combination of 2 N F RWG functions on ∂D k ...the linear combination which, of course, does change with N D ...the adaptive cross approximation [20] could also be applied to LEGO starting ...
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A Novel Ultra-Fast Ultra-Simple Adaptive Blind Beamforming Algorithm for Smart Antenna Arrays
... The settings for the simulated system are as follows: (1) the data source is a uniform random integer generator with 16 M-ary (0–15) used to generate α(t), (2) a PSK modulator has 16 levels, (3) the channel is AWGN, (4) ...
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Capacity Analysis Based on Using Adaptive Antenna Arrays Jointly Optimized for Trunking and Spatial Efficiency
... an adaptive antenna array to maximize the trunking e ffi ciency was ...a linear grid cellu- lar system, both theoretical analysis and Monte Carlo simu- lations were ...the adaptive ...
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Low Complexity Linear Precoder Design For Mimo-Ofdm System
... with antenna arrays at the transmitter and receiver to increase the diversity gain and/or to enhance the system capacity on time-varying and frequency-selective channels, resulting in a multiple- input ...
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Synthesis of Simultaneous Multiple-Harmonic-Patterns in Time-Modulated Linear Antenna Arrays
... to adaptive nulling in time-varying ...reduces antenna efficiency and directivity [15, 16] when the desired pattern is synthesized at the operating frequency ...
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Synthesis of Linear Antenna Arrays using Accelerated Particle Swarm Optimization Algorithm
... for linear and planar ...of antenna arrays. In [15], the synthesis method of linear array geometry with minimum SLL and null control using Particle Swarm Optmization (PSO) was ...described. ...
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Computationally Efficient Blind Code Synchronization for Asynchronous DS CDMA Systems with Adaptive Antenna Arrays
... space-time adaptive near-far robust code-synchronization array detector for asynchronous DS-CDMA systems is devel- oped in this ...a linear function of the size of antenna array (J), the rank of the ...
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Survey on Various Types of Noise and Methods for Noise Removal
... In this article, we modeled three common configurations of adaptive planar antennas (linear, square and circular). We also presented the main analytical approaches generally used to implement them. ...
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Analysis and Design of Millimeter-Wave Circularly Polarized Substrate Integrated Travelling-Wave Antennas
... hole arrays to simulate equivalent electrical walls for designing, for example, substrate integrated waveguides (SIW), couplers, filters and antennas on a substrate ...
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A Compressive Sensing Based Approach to Sparse Wideband Array Design
... uniform linear arrays (ULAs), the adjacent sensor spacing has to be less than half of the minimum operating wavelength corresponding to the highest frequency of the signal of ...sparse arrays allow ...
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A Plant Growth Simulation Algorithm for Pattern Nulling of Linear Antenna Arrays by Amplitude Control
... The results depicted in Figs. 3–6 demonstrate that the PGSA proposed in this paper can accurately obtain the nulling patterns by controlling only the element amplitudes of the linear array. From the null depth and ...
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Compressive Sensing Based Approach to the Design of Linear Robust Sparse Antenna Arrays with Physical Size Constraint
... sparse arrays, the randomness of antenna locations avoids the introduction of grating lobes, while allowing adjacent antenna spacings to be greater than half a ...to antenna locations to ...
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A Novel Omnidirectional Triangular Patch Antenna Array Using Dolph Chebyshev Current Distribution for C-Band Applications
... patch antenna array using Dolph- Chebyshev current distribution operating in C-Band is ...patch antenna array is a nonuniform array type with equal or uniform spacing between the antenna elements, ...
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Enhanced "vector-cross-product" direction-finding using a constrained sparse triangular-array
... another antenna is employed to provide the other finer direc- tion-cosine ’ s estimates from the inter-sensor spacing phase factor and at the same time to increase the array ...
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Tracking System using Fixed Beamwidth Electronics Scanning
... the antenna array aperture size to a predefined optimum value to get a fixed beam in all the scanning ...multibeam antenna array of fixed beamwidths using the superposition ...microstrip antenna ...
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INVESTIGATIONS ON THINNING AND THICKENING LINEAR ARRAYS
... investigate linear arrays with gradual thickening as well as gradual ...different arrays and the radiation patterns are presented for different ...
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A REVIEW ON THE DESIGN OF MIMO ANTENNAS FOR UPGRADING 4G COMMUNICATIONS
... Multiple - Input- Multiple - output (MIMO) wireless systems forms a part of new research area, since nowadays the communication engineers are more interested in higher data rates and improved spectral efficiencies, ...
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