When compared to normal antennas, smart antennas offer the advantages of capacity enhancement, coverage extension, increased transmission bandwidth, reduction of multipath fading. These antennas have two basic functions, namely: estimation of direction of arrival (DOA) and beam forming. Smart antenna systems estimate the DOA of a signal by using techniques such as multiple signal classification (MUSIC), matrix pencil method or estimation of signal parameters via rotational invariance techniques (ESPRIT). Beam forming method is used for creating radiation pattern of antenna array by adding the phases of signals in the direction of desired mobiles/targets and nulling the mobiles/ targets that are undesired. Browse Full Report With TOC @ http://www.researchmoz.us/smart-antenna-market-global-industry-analysis-market-size-share-growth-and-forecast-2012-2018-report.html
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