Wideband Smart Antenna Avoiding Tapped-Delay Lines and Filters

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Author(s): Monthippa Uthansakul (Suranaree University of Technology, Thailand)and Marek E. Bialkowski (The University of Queensland, Australia)
Copyright: 2009
Pages: 19
Source title: Handbook on Advancements in Smart Antenna Technologies for Wireless Networks
Source Author(s)/Editor(s): Chen Sun (ATR Wave Engineering Laboratories, Japan), Jun Cheng (Doshisha University, Japan)and Takashi Ohira (Toyohashi University of Technology, Japan)
DOI: 10.4018/978-1-59904-988-5.ch024

Keywords: Information Science Reference / Media & Communications / Mobile and Wireless Computing / Wireless Systems

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Abstract

This chapter introduces the alternative approach for wideband smart antenna in which the use of tapped-delay lines and frequency filters are avoidable, so called wideband spatial beamformer. Here, the principles of operation and performance of this type of beamformer is theoretically and experimentally examined. In addition, its future trends in education and commercial view points are identified at the end of this chapter. The authors hope that the purposed approach will not only benefit the smart antenna designers, but also inspire the researchers pursuing the uncomplicated beamformer operating in wide frequency band.

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