Square Slot Loaded Micro Strip Fed Multi Octave Band Radiator

M. Bhagyalakshmi, N.N. Sastry

Abstract


Ultra-wideband antennas covering the frequency range of 3.1-10.6 GHz. have been reported extensively in the literature. Considering tactical band of 6-18GHz is important to cover the band of Communications, Radar and EW applications, Vivaldi radiators have been widely used for this purpose. The Vivaldi antenna is essentially a 3-dimensional antenna and there is a need for a planar printed unidirectional antenna covering 6-18GHz. In this paper, the ultra-wide band antenna design methodology has been adopted and an attempt has been made to cover the frequency range of 6-18GHz. Two types of antennas have been designed, analyzed and implemented, namely the bidirectional and the unidirectional ones. In simulations, the bi-directional antenna has yielded a VSWR of less than 2.1 over 2-18GHz. Both the antennas showed satisfactory radiation patterns. The antennas have been evaluated in measurements over 6-18GHz. The unidirectional antenna however has yielded satisfactory radiation patterns over 6-15GHz only. These antennas have been designed using HFSS simulations and implemented in hardware. The practical patterns in both cases are reported.

Keywords


UWB; Printed Antennas; Communications; EW Antennas; HFSS;

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References


Cengizhan M.Dikmen, Sibel Cimen and Gonca Cakir," Planar Octagonal- shaped UWB Antenna with Reduced Radar Cross Section", IEEE Transactions on antennas and propagation, Vol. 62, NO. 6, JUNE 2014.

Tharaka Dissanayake, Karu P. Esselle, "UWB Performance of Compact L-shaped Wide Slot Antennas", IEEE Transactions On Antennas And Propagation, Vol. 56, No. 4, April 2008.

Ming-Chun Tang, Richard W.Ziolkowski, Shaoqiu Xiao, “Compact hyper band printed slot antenna with stable radiation properties,” IEEE Trans. Antennas and Propag., vol.62, no6, Jun. 2014.

Yangyi Zhao, Weidong Hu, "Design of A UWB Unidirectional Radiation Compound Spiral Antenna", Beijing Key Laboratory of millimeter wave and Terahertz Technology, IEEE 2016, Beijing, China.

Lei Wang, Yu Jian Cheng, Da Ma, Cheng Xiang Weng, " Wideband High-Gain Substrate Integrated Antenna Array for E-Band MultiGigahertz Capacity Wireless Communication Systems", IEEE Transactions on Antennas and Propagation, Volume: 62, Issue: 9, Sept. 2014.

Jie Wu, Yu Jian Cheng, Yong Fan, "A wideband planar array antenna for Ka-band wireless communication applications", Radar Conference (EuRAD) 2015 European, pp. 485-488, 2015

Guo-Ping Gao; Bin Hu; Jin-Sheng Zhang, “Design of a Miniaturization Printed Circular-Slot UWB Antenna by the Half-Cutting Method", IEEE Antennas and Wireless Propagation Letters, Volume: 12, 24 April 2013.

Wen-Jun Lu, Lei Zhu, "A Novel Wideband Slotline Antenna with Dual Resonances: Principle and Design Approach", Antennas and Wireless Propagation Letters IEEE, vol. 14, pp. 795-798, 2015, ISSN 1536- 1225.

Chia Ping Lee, Chandan Kumar Chakrabarthy, "Ultra-wideband Microstrip Diamond Slotted Patch Antenna With Enhanced Bandwidth", International Journal of Communications, Networks and System Sciences, 2011,4,468-474.

Rina Abdullah; M. T Ali; N. Ismail; S. Omar; N. N. S. N. Dzulkefli, "Multilayer parasitic microstrip antenna array for WiMAX application" 2012 IEEE Asia-Pacific Conference on Applied Electromagnetics (APACE), 2012.


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ISSN: 2180-1843

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