An overview of smart antenna technology for wireless communication

Interest in Smart Antenna Technology for wireless communication systems is increasing in recent years. Considerable amount of research and fields trials is being conducted to improve the performance of the system in terms of increasing the capacity and range. In this paper we attempt to discuss the current and future Smart Antenna technology for mobile communication system and illustrate how they allow the wireless service providers to reduce interference and increase capacity. We discuss the different types of Smart Antenna systems using switched beam and adaptive antenna array techniques and describe how they can be used in different multiple access schemes in wireless communications, like FDMA, TDMA and CDMA