Abstract
With the recent advancement and phenomenal progress in the field of wireless communication technology, there is an ever increasing demand for high data rates and improved quality of service for the end users. In recent times various designs of super wideband antennas (SWB) fulfilling diverse objectives have been proposed for modern wireless networks. Design of compact and wideband antenna for high speed, high capacity, and secure wireless communications presents a challenging task for designers of fixed and mobile wireless communication systems. In this paper, a comprehensive review concerning antenna structures and the technologies adopted for design and analysis of SWB antennas for wireless application is reported. Comparative parameters in terms of electrical dimension, bandwidth, Fractional bandwidth (FB) and Bandwidth Dimension Ratio (BDR) are presented which introduces the researchers to the technical challenges in the design of a compact wideband antenna. This paper contributes to present existing novel approaches along with its adequacy in the design techniques. This review exercise will assist the researchers with valuable support for further research and to achieve better impedance matching, wide bandwidth, high gain and good efficiency along with well directive radiation characteristics.
Highlights
In the present modern era of wireless communication due to the increase in demands for higher data rate, capacity and resolution, the design of wideband antennas with enhanced radiation characteristics are capturing great importance [1], [2]
Due to its large bandwidth, super wideband antennas (SWB) technology can be used for spectrum sensing in cognitive radios and it is suitable for various wireless frequency applications such as Amature Radio, Global Positioning System(GPS), Global System for Mobile communication (GSM), Personal communications service (PCS), Industrial, scientific and medical (ISM), Bluetooth, Wireless local area network (WLAN), Satellite communication systems, Defense systems, Doppler navigation aids, Radio astronomy, Aeronautical radio navigation [12]
Due to its large bandwidth, SWB technology can be used for spectrum sensing in cognitive radios, Amature Radio, Global Positioning System (GPS), Global System for Mobile communication (GSM), Personal communications service (PCS), Industrial, scientific and medical (ISM), Bluetooth, Wireless local area network (WLAN), Satellite communication systems applications, Defense systems, Doppler navigation aids, Radio astronomy, Aeronautical radio navigation
Summary
In the present modern era of wireless communication due to the increase in demands for higher data rate, capacity and resolution, the design of wideband antennas with enhanced radiation characteristics are capturing great importance [1], [2]. Antenna having bandwidth ratio 10:1 maintaining a return loss less than −10 dB and VSWR less than 2, over the entire range of operating frequency is considered as SWB antenna [11], [12]. This type of antenna can be used for both long and short range of communication. The research article aims to introduce the existing approaches and techniques of SWB antenna designing and to ease future research on SWB antenna designing by providing a direction for the decision on design aspects
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