Design of Double Fork Shaped Patch Radiator for Ultra Wide Band Applications
A double fork shaped patch radiator is suggested for ultra wide band (UWB) applications. The patch antenna is easy to design, low-priced, and small in size. The ultra wide band characteristic covers 3.1–9.8 GHz in UWB range of 3.1–10.6 GHz is obtained by
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Abstract A double fork shaped patch radiator is suggested for ultra wide band (UWB) applications. The patch antenna is easy to design, low-priced, and small in size. The ultra wide band characteristic covers 3.1–9.8 GHz in UWB range of 3.1– 10.6 GHz is obtained by employing dual fork-shaped radiating element and a rectangular strip with truncated partial ground plane. The intended radiator is designed on FR-4 epoxy substrate fed by 50 X microstrip line having dimensions (42 24 1.6) mm3. The return loss, S11 −10 dB covers 3.1–9.8 GHz. The radiator gives sustainable gain with closely omni directional radiation characteristics over the operating bandwidth in UWB range. The antenna characteristics such as VSWR, gain of the proposed radiator are also studied in details. Keywords Patch antenna Partial ground plane
Triple band Ultra wide band (UWB)
1 Introduction The 10 dB bandwidth of 7500 MHz ranging from 3.1–10.6 GHz was emancipated by the Federal Communications Commission (FCC) with EIRP (Effective Isotropic Radiated Power) whose spectral density −41.3 dB meter per Megahertz for many communication applications [1]. So, in wireless world ever the ultra wide band (UWB) technology is a motivation for hypnotized academia and industrial surveillance. Now a day’s many researchers are giving more interest for generation S. Sahoo M.N. Mohanty (&) L.P. Mishra Department of Electronics and Communication Engineering, Siksha ‘O’ Anusandhan University, Bhubaneswar, Odisha, India e-mail: [email protected] S. Sahoo e-mail: [email protected] L.P. Mishra e-mail: [email protected] © Springer Nature Singapore Pte Ltd. 2018 A. Kalam et al. (eds.), Advances in Electronics, Communication and Computing, Lecture Notes in Electrical Engineering 443, https://doi.org/10.1007/978-981-10-4765-7_58
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of ultra wide band spectrum of 3.1–10.6 GHz for commercialized purposes for its broad bandwidth, less power utilization, higher data transfer rate, and very low price. The patch antennas can cover ultra wide band which are printed and fabricated on a substrate. So many patch antennas are reported for ultra wide band applications like binomial curved shaped, elliptical, rectangular, circular disk [2–10], compact tapered shape slot [11], UWB patch radiator using differential fed [12], the magneto electric dipole radiator which is fed by differential fed [13, 14], UWB fractal patch antenna by using CPW fed [15], shape of U, shape of arc slot on the radiating element [16], employing parasitic components alongside the radiator radiating element to eliminate the identified band [17], placing a slit in the ground plane or feed line [18]. In this demonstration, the double fork shaped patch radiator for ultra wide band applications is proposed which is very easy to design. The triple band performances with desired bandwidth are achieved by inserting a rectangular strip into the bottom fork shaped patch with partial ground plane and the ultra wide band (UWB) characteristics is obtained by placing
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