Miniaturised multiband two-element coaxial continuous transverse stub antenna for satellite C-band applications

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Abstract

The continuous transverse stub (CTS) technology incorporates the use of coaxial lines to produce effective microwave structures that radiate an omnidirectional pattern with high efficiency and low return loss. In this paper a two-element coaxial CTS antenna array is designed to operate in the C-band with improved efficiency and gain. The proposed prototype of the C-band antenna, with design operating frequencies -5.18, 6.536 and 7.42 GHz, finds numerous applications in C-band satellite communications. During simulation, the efficiency at these frequencies had been observed to be 89.5, 87.6 and 95.9% and their corresponding gains were observed to be 7.54, 5.24 and 7.51 dB, respectively. The measured results of the C-band antenna prototype for the above stated frequencies were observed to be 5.185, 6.845 and 7.313 GHz, respectively. This antenna can be used in INSAT/super extended C-band, fixed-satellite services which include space to earth, earth to space as well as mobile satellite services. The radiation of the designed structure is omnidirectional in the horizon plane, with minimum return loss. These simple and low-cost coaxial CTS structures can be adopted in wireless communication systems. © The Institution of Engineering and Technology 2014.

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APA

Prakash, P. J. V., & Srinivasan, R. (2014). Miniaturised multiband two-element coaxial continuous transverse stub antenna for satellite C-band applications. IET Microwaves, Antennas and Propagation, 8(7), 474–481. https://doi.org/10.1049/iet-map.2013.0346

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