Crescent Shaped Slot Mmwave Array Antenna for Future 5g Femtocells Applications
Harini V1, Sairam M V S2, MadhuR3, Naresh Kumar M4

1V.Harini, Department of ECE, Vardhaman College of Engineering (Autonomous), Hyderabad, India. Department of ECE, Jawaharlal Nehru Technological University, Kakinada (Andhra Pradesh), India
2Dr.M V S Sairam, Department of ECE , G.V.P. College of Engineering, (Autonomous), Visakhapatnam (Andhra Pradesh), India
3Dr.R.Madhu, Department of ECE, Jawaharlal Nehru Technological University, Kakinada (Andhra Pradesh), India
4Dr.M.Naresh Kumar, Department of ECE, Vardhaman College of Engineering (Autonomous), Hyderabad (Telangana), India.

Manuscript received on 18 June 2019 | Revised Manuscript received on 25 June 2019 | Manuscript published on 30 June 2019 | PP: 2114-2119 | Volume-8 Issue-5, June 2019 | Retrieval Number: E7524068519/19©BEIESP
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Abstract: Multiband mm-wave crescent-shaped slot array antenna is designed for future femtocells applications. Initially, a single rectangular patch with dimensions 2mm X 2mm is used and crescent-shaped slot with dimensions 0.8mm outer radius and 0.6mm inner circle radius is introduced in it. A Rogers RT duriod 5880 with a dielectric constant of 2.2 and a thickness of 0.508mm is used as the substrate for designing an mm-wave single patch and an array antenna. The proposed mm-wave array antenna is radiating at multiband frequencies like 27.2GHz, 29.68GHz, 34.5GHz, 37.4GHz, and 46.8GHz and attained a gain of 9.2dB, 7.355dB, 10.13dB, 13.01dB, and 12.5dB correspondingly which is able to cover most of the 5G frequency bands. A detailed analysis is presented on performance metrics like reflection coefficient, gain, E-field distribution, radiation pattern at each and every frequency based on simulation results.
Keywords: Femtocells, Crescent, 5G Bands, Multiband, Mm Wave Array Antenna.

Scope of the Article: 5G Communication