Smart Antennas provide angle-of-arrival information, which can be used for localization and efficient routing of information in wireless sensor networks (WSN). The method of designing a communications link between different nodes of a Wireless Sensor Networks (WSNs) by electronically steering the beam using smart antenna is presented. A brief design details and beam pattern measurements of a pr...

Smart antenna is the most efficient leading innovation for maximum capacity and improved quality and coverage. Efficient utilization of limited radio frequency spectrum is only possible to use smart/adaptive antenna system. Smart antenna radiates not only narrow beam towards desired users exploiting signal processing capability but also places null towards interferers, thus optimizing the signa...

In this paper, the performance of a smart antenna system based on a linear array is evaluated. The results presented here include the antenna pattern. This procedure can reduce the interference level in a cellular communications system. Key-words: Smart Antennas, linear array, switched-beam, adaptive array, SDMA.

in this article, the linear array (with 20 elements in the horizontal orientation) of microstrip antenna is examined with horizontal polarization. the set includes three microstrip substrates. there is a power network in two lower substrates and microstrip patches in the upper substrate. excitation of patches has been done as coupled through the power network in two lower substrates. using the ...

This paper presents brief account on smart antenna (SA) system. Smart or adaptive antenna arrays consist of an array of antenna elements with signal processing capability that optimizes the radiation and reception of a desired signal dynamically. SAs can place nulls in the direction of interferers via adaptive updating of weights linked to each antenna element. SAs thus cancel out most of the c...

This paper presents analysis of simulation results for Direction of arrival estimation for smart antenna system using non Eigen value decomposition based algorithm. Direction of arrival (DOA) estimation in smart antenna for identifying the directions of the desired signals and the null steering beamformer to adapts the antenna pattern to steer the main beam towards the desired user and nullify ...

Recently, a smart antenna, i.e., a blind adaptive antenna array, has attracted much attention to improve the capacity of a future code-division multiple-access wireless communications system. It has been demonstrated (Tanaka et al., 2000) that there is significant improvement in data demodulation through lab simulations and field experiments by employing a smart antenna of multiple elements. Ho...

A new approach to wideband and smart re-configurable antennas using RF MEMS switches and fractal antennas is presented. Index Terms – Smart antennas, wideband, fractals, RF-MEMS.

A smart antenna system combines multiple antenna elements with a signal processing capability to optimize its radiation and/or reception pattern automatically in response to the signal environment through complex weight selection. The weight selection process to get suitable Array factor with low Half Power Beam Width (HPBW) and Side Lobe Level (SLL) is a complex method. The aim of this task is...