Introduction to Smart Antennas for Wireless Communications
This text has been written in response to the recent extreme interest in the rapidly growing field of smart antennas. Although some of the principles of smart antennas have been around for over forty years, new wireless applications demanding smart antenna technology are growing exponentially. In addition, the latest algorithms that control smart antennas have matured to the point of being extremely effective in dynamic and dispersive multipath environments. Thus, smart antennas are now becoming a critical adjunct for increasing the performance of a myriad of wireless applications. This new technology has a major role in all forms of wireless systems ranging from mobile cellular to personal communications services (PCS) to radar. This text will not address specific applications as much as it will introduce the reader to the basic principles which underlie smart antennas. A solid foundation is necessary in order to understand the full applicability and benefit of this rapidly growing technology.
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