SMART ANTENNA DESIGN FOR WIRELESS COMMUNICATION USING ADAPTIVE BEAM-FORMING APPROACH



INTRODUCTION

The dramatic growth of the wireless communication industry has resulted in searches for new technologies to provide broader bandwidth per user channel, better quality, and new value-added services.
Due to drastical increase in wireless communication system, it is necessary to increase the Data Transmission Speed and Coverage Area.

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Current and future ....etc

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SMART ANTENNA FOR MOBILE COMMUNICATION



Definition:

A smart antenna consists of several antenna elements, whose signal are processed adaptively in order to exploit the spatial domain of the mobile radio channel . Usually the signals received at the different antenna elements are multiplied with complex weights W and then summed up the weights are chosen adaptively not the antenna itself, but the whole antenna system including the signal processing is called adaptive .

T ....etc

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Smart Antenna
ABSTRACT
One of the most rapidly developing areas of communications is Smart Antenna systems. This paper deals with the principle and working of smart antennas and the elegance of their applications in various fields such a 4G telephony system, best suitability of multi carrier modulations such as OFDMA etc..,
This paper mainly concentrates on use of smart antennas in mobile communications that enhances the capabilities of the mobile and cellular system such a faster bit rate, multi use interference, spac ....etc

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To get full information or details of smart antenna technology for heterogeneous networks please have a look on the pages

http://seminarsprojects.net/Thread-smart-antenna-full-report?page=5

http://seminarsprojects.net/Thread-smart-antenna-full-report?pid=26834

http://seminarsprojects.net/Thread-smart-antenna-full-report?pid=57239#pid57239

http://seminarsprojects.net/Thread-smart-antenna-full-report

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AN OVERVIEW OF SMART ANTENNA TECHNOLOGY FOR MOBILE COMMUNICATIONS SYSTEMS


WHAT ARE SMART ANTENNAS?
Base station antennas have up till now been omnidirectional
or sectored. This can be regarded as a waste of power as
most of it will be radiated in other directions than toward the
user. In addition, the power radiated in other directions will
be experienced as interference by other users. The idea of
smart antennas is to use base station antenna patterns that are
not fixe ....etc

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Each mobile uses a separate, temporary radio channel to talk to the cell site. The cell site talks to many mobiles at once, using one channel per mobile. Channels use a pair of frequencies for communication. One for transmitting from the cell site, the forward link, and one frequency for the cell site to receive calls from the users, the reverse link. Communication between mobile units can be either half-duplex or full-duplex. In case of half-duplex, transmit and receive communications between the mobile units are not at the same time, i.e. tal ....etc

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Application of Self-Phased Array Antennas to Mobile Communications
A self-phased array antenna which employs a pilot signal can be used as a method for reduction of upto 1-2 orders of power of base station and mobile unit transmitters in mobile communication systems. talk time increase and the reduction of battery weight are other advantages of this method. electromagnetic and ecological compatibility problems are a major concern as many number of towers are being setup for mobiles. base stations output power can
reach upto 5-10 ....etc

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smart antenna report min 30 pages

Smart antennas (also known as adaptive array antennas, multiple antennas and, recently, MIMO) are antenna arrays with smart signal processing algorithms used to identify spatial signal signature such as the direction of arrival (DOA) of the signal, and use it to calculate beamforming vectors, to track and locate the antenna beam on the mobile/target. Smart antennas should not be confused with reconfigurable antennas, which have similar capabilities but are single element antennas and not antenna arrays.

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smart antenna seminar report pdf

Definition

A smart antenna consists of several antenna elements, whose signal are processed adaptively in order to exploit the spatial domain of the mobile radio channel . Usually the signals received at the different antenna elements are multiplied with complex weights W and then summed up the weights are chosen adaptively not the antenna itself, but the whole antenna system including the signal processing is called adaptive.

Types of Smart Antenna Systems:

Terms commonly heard today that embrace various ....etc

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