Microstrip Patch Antennas based on Metamaterials
Optimization Algorithms for Synthesis of Antenna Arrays
29
Scopus Publications
294
Scholar Citations
10
Scholar h-index
11
Scholar i10-index
Scopus Publications
A Wide Bandwidth Antipodal Vivaldi Antenna Array for 5G mm Wave Applications at 28 GHz Ramyasree Golla, Suman Nelaturi Microwave Review, 2025 A novel antipodal Vivaldi antenna (AVA) array is proposed for 5G mm Wave applications.The proposed AVA array consists of 1x4 antenna elements and with dimensions 55.3x26.6x0.79mm 3 .The antenna is designed using Rogers RT/duroid 5880 material having dielectric constant 2.2 and presented material have low dielectric losses and is suitable for high frequencies.Rhombus parasitic patches, triangular corrugations at edges, and air vias are used in antenna feed line design for improvement of gain, bandwidth, and low radiation losses.The proposed antenna is operating from 25 GHz-32 GHz frequency range and antenna is resonating at 28.56 GHz.Gain is varying from 9.45 to 14.88 dBi and 95% radiation efficiency is obtained in specified frequency band.At resonant frequency 28.56 GHz front to back ratio (FBR) is 34.47dB is obtained.The proposed antenna is designed using ansys HFSS tool.
Dual Polarized Vivaldi Antenna for X- Band Satellite and Radar Applications Ramyasree Golla, Suman Nelaturi 4th Wireless Antenna and Microwave Symposium Wams 2025, 2025 A new dual polarized Vivaldi antenna is proposed for X-band satellite and radar applications. Presented antenna is designed on RT/Duroid 5880 dielectric substrate with <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$27 \times 30 \times 0.79 ~\text{mm}^{3}$</tex> dimensions. The proposed antenna covering the frequency from 6.52 to 10.30 GHz. Both vertical and horizontal polarizations of linear polarization are observed. Antenna parameters like gain greater than <tex xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">$\mathbf{8. 1 0 ~ d B i}$</tex>, correlation coefficient between antenna elements is less than 0.005 is observed. By using Ansys HFSS presented antenna is designed.
Antipodal vivaldi array MIMO antenna for 5G FR2 applications at 28 GHz with improved isolation Ramysree Golla, Suman Nelaturi Frequenz, 2024 This paper proposed a two port antipodal vivaldi antenna (AVA) for 5G FR2 (frequency range 2) applications at 28 GHz with improved bandwidth,gain and isolation. Each antenna consists of two array elements. The proposed antenna has dimensions 23.8 × 54 × 0.79 mm3 and is fabricated on Rogers RT/Duroid 5880 material. This material has a 2.2 low dielectric constant and mainly suitable for broadband high frequency applications. Proposed antenna covers −10 dB below from 25.51 to 33 GHz band, which having 7.49 GHz bandwidth. Gain for the presented MIMO (Multiple input multiple output) AVA array is varying from 8.50 to 12.44 dBi. A better isolation −34.56 dB is obtained between two antenna elements. MIMO characteristics like ECC (Envelope correlation coefficient), CCL (Channel capacity loss), DG (Diversity Gain), TARC (Total active reflection coefficient), and MEG (Mean effective gain) are satisfied with good results for presented antenna. The proposed antenna is designed using ansys HFSS simulation tool.
Design of a Sub-6 GHz Wideband Antenna with Metasurface-Based Gain Enhancement for 5G Applications M Sekhar, Suman Nelaturi 2024 IEEE Microwaves Antennas and Propagation Conference Mapcon 2024, 2024 This paper presents a new metasurface (MS) antenna design based on a superstrate arrangement with a high gain. The antenna combines a ground plane with a rectangular slot (Defective Ground Structure) and a slotted patch loaded with a stub. The FR4 dielectric creates MS by arranging unit cells in a periodic pattern. A central patch with a C-type pattern and two outer patches with L-type patterns make up the unit cell’s structure. The conventional patch antenna is designed over the FR4 dielectric. A spacer separates the MS from the antenna, which acts as a superstrate. The proposed MS antenna has a figure of eight radiation patterns and offers suitable impedance matching from $2.52-4 \\mathrm{GHz}$. Using MS, over $\\mathbf{8 0 \\%}$ of the gain improvement is achieved. With MS, the antenna achieves a maximum gain of 6.8 dB when operated at 3.7 GHz. The proposed antenna is better suited for 5G Sub 6GHz uses because of its increased efficiency.
Antipodal Vivaldi Antenna Array for 5G mmWave Applications at 28 GHz Ramyasree Golla, Suman Nelaturi 2024 IEEE Wireless Antenna and Microwave Symposium Wams 2024, 2024 In this paper antipodal Vivaldi antenna (AVA) array is proposed for fifth generation mmWave applications. The proposed AVA array consists of 1×4 antenna elements and with dimensions $55.3\\times 26.6\\times 0.79\\text{mm}^{3}$. The antenna is designed using Rogers RT/duroid 5880 material having dielectric constant 2.2 and this material have low dielectric losses and is suitable for high frequencies. Triangular corrugations, rhombus parasitic patches and SIW (substrate integrated waveguide) are used in antenna design for improvement of gain, bandwidth, and low radiation losses. The proposed antenna is operating from 25.78 GHz–30.74 GHz frequency range and antenna is resonating at 28.56 GHz. Gain is varies from 9.45 to 14.88 dBi in specified frequency band. The proposed antenna is designed using ansys HFSS tool.
Design and Analysis of 5 Element C-band and 4 Group X-band Conformal Shared Aperture Antenna Array for Spaceborne SAR Applications Bala Ankaiah Nunna, Suman Nelaturi 2024 IEEE Microwaves Antennas and Propagation Conference Mapcon 2024, 2024 Synthetic aperture radar (SAR) generates high resolution images of Earth’s surface in day and night weather by using microwave signals. A dual-band C/X linear polarized conformal shared aperture antenna (SAA) for spaceborne SAR applications is presented in this paper. The five-element series feeding C-band and the four group X-band corporate feeding form the SAA structure. Each group of X-band consists of 4 elements $(2 \\times 2)$. The antenna’s performance properties are evaluated. The proposed design achieved a bandwidth of 50 MHz and gain of 12.1 dBi for the C-band. For the X -band 305 MHz bandwidth and 12.7 dBi gain is attained. The proposed design works as radome due to conformal nature. The total size of the SAA array is $110 \\times 106 \\times 0.8 \\mathbf{~ m m}$.
DEVELOPMENT OF AN INNOVATIVE PATCH ANTENNA DESIGN AND IMPLEMENTATION USING ENG MATERIALS FOR HEALTH CARE SYSTEMS AND 5G NETWORKS Bakirova Nagima, Pramod Kumar, Nelaturi Suman, Tansaule Serikov, Marzhan Temirbekova, Gani Sergazin, Gulzada Mussapirova, Tolegenova Arai, Akmaral Tlenshiyeva, Ruslan Kassym Eastern European Journal of Enterprise Technologies, 2024 The object of this study is a new design of an overhead microstrip antenna, including Epsilon Negative (ENG) metamaterials and L-shaped parasitic overlays aimed at achieving dual-band operation and improving the performance of modern wireless communication systems. The research is aimed at solving the problem of limited bandwidth and dual-band functionality in conventional antenna designs. This study solves the problem of limited bandwidth and dual-band functionality in conventional microstrip patch antenna designs, which are crucial for modern wireless communication systems. The inclusion of L-shaped parasitic overlays effectively expands the bandwidth in each frequency range. The results indicate significant improvements: at the upper resonant frequency, a 10 dB return loss bandwidth of 27.84 % (2.88–3.81 GHz) and a 3 dB axial ratio bandwidth of 5.05 % (2.90–3.05 GHz) are achieved, while at the lower resonant frequency, a return loss bandwidth is 10 dB, which is 6.11 % (2.22–2.36 GHz). These improvements indicate a significant increase in antenna performance compared to conventional designs, which is confirmed by comparing the simulation results with the measurement results. Distinctive features contributing to these results include the use of ENG metamaterials, which improve electromagnetic properties and signal propagation; vertical transitions, which provide efficient dual-band operation; and L-shaped parasitic overlays, which significantly expand bandwidth. These characteristics combine to eliminate the limitations of traditional designs, which makes the proposed antenna suitable for use in a wide frequency range in modern wireless communication systems.
Compact Dual Band circular Hexa fractal Antenna Vn Lakshmi Pabbisetty, Suman Nelaturi 2022 2nd International Conference on Advances in Electrical Computing Communication and Sustainable Technologies Icaect 2022, 2022
A Wide Bandwidth Antipodal Vivaldi Antenna Array for 5G mm Wave Applications at 28 GHz R Golla, S Nelaturi Mikrotalasna revija , 2025 2025 Citations: 1
Dual Polarized Vivaldi Antenna for X-Band Satellite and Radar Applications R Golla, S Nelaturi 2025 IEEE Wireless Antenna and Microwave Symposium (WAMS), 1-4 , 2025 2025
Design and Analysis of 5 Element C-band and 4 Group X-band Conformal Shared Aperture Antenna Array for Spaceborne SAR Applications BA Nunna, S Nelaturi 2024 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON), 1-4 , 2024 2024 Citations: 1
Design of a Sub-6 GHz Wideband Antenna with Metasurface-Based Gain Enhancement for 5G Applications M Sekhar, S Nelaturi 2024 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON), 1-5 , 2024 2024
Meta-Material Inspired Circularly Polarized Semi-Circled Fractal Boundary Antenna for Broadband and Multiband Applications SN V Venkateswar Reddy, Suman Nelaturi, Rama Sanjeev B R Microwave Review 30 (2), 15-22 , 2024 2024
Design and Analysis of X-Band Conformal Antenna Array with Corporate Series Feeding for Spaceborne Sar Applications BA Nunna, S Nelaturi 2024 URSI Regional Conference on Radio Science (URSI-RCRS), 1-3 , 2024 2024
Design and Analysis of 4 Group X-Band Corporate Feed and 5 Element Series Feed C-Band Shared Aperture Antenna Array for Spaceborne Synthetic Aperture Radar Applications BA Nunna, S Nelaturi 2024 URSI Regional Conference on Radio Science (URSI-RCRS), 1-4 , 2024 2024
Antipodal vivaldi array MIMO antenna for 5G FR2 applications at 28 GHz with improved isolation. R Golla, S Nelaturi Frequenz 78 , 2024 2024 Citations: 4
DEVELOPMENT OF AN INNOVATIVE PATCH ANTENNA DESIGN AND IMPLEMENTATION USING ENG MATERIALS FOR HEALTH CARE SYSTEMS AND 5G NETWORKS. N Bakirova, P Kumar, S Nelaturi, T Serikov, M Temirbekova, G Sergazin, ... Eastern-European Journal of Enterprise Technologies 130 (5) , 2024 2024 Citations: 1
Antipodal vivaldi antenna array for 5g mmwave applications at 28 ghz R Golla, S Nelaturi 2024 IEEE Wireless Antenna and Microwave Symposium (WAMS), 1-4 , 2024 2024 Citations: 7
Opportunistic control of a slotted hexagonal MIMO structure antenna for lower sub-6 GHz 5G Applications G Naga Jyothi Sree, S Nelaturi IETE Journal of Research 69 (8), 5628-5636 , 2023 2023 Citations: 2
Dual-Band 4-Port Vivaldi MIMO Antenna for 5G mmWave Applications at 28/39 GHz NS Golla Ramyasree Progress In Electromagnetics Research M 119 (1), 13-24 , 2023 2023 Citations: 10
A Dual band 28GHz and 39GHz 4-port Vivaldi MIMO antenna for 5G wireless devices R Golla, S Nelaturi 2023 IEEE Wireless Antenna and Microwave Symposium (WAMS), 1-5 , 2023 2023 Citations: 3
Imaging Application M Sekhar, S Nelaturi Intelligent Communication Technologies and Virtual Mobile Networks … , 2023 2023
Spiritual leaf shape compact MIMO patch antenna for 5G lower sub-6 GHz applications GN Jyothi Sree, S Nelaturi Frequenz 77 (3-4), 185-201 , 2023 2023 Citations: 5
Compact 4-Port Vivaldi MIMO antenna for 5G wireless devices G Ramyasree, N Suman Progress In Electromagnetics Research C 131 , 2023 2023 Citations: 12
CPW Fed Ultrawideband antenna for microwave imaging application M Sekhar, S Nelaturi 2023 Second International Conference on Electronics and Renewable Systems … , 2023 2023 Citations: 13
CPW Fed Ultrawideband Antenna for Microwave Imaging Application S Nelaturi 2023 Second International Conference on Electronics and Renewable Systems … , 2023 2023
CPW Fed Super-Wideband Antenna for Microwave Imaging Application SN Sekhar, M. Progress In Electromagnetics Research C 130, 201-212 , 2023 2023
A DGS-Loaded Compact Super Wideband Antenna for Microwave Imaging Application M Sekhar, S Nelaturi Intelligent Communication Technologies and Virtual Mobile Networks, 1-11 , 2023 2023 Citations: 1
MOST CITED SCHOLAR PUBLICATIONS
Design and experimental verification of fractal based MIMO antenna for lower sub 6-GHz 5G applications GNJ Sree, S Nelaturi AEU-International Journal of Electronics and Communications 137, 153797 , 2021 2021 Citations: 78
A compact microstrip patch antenna based on metamaterials for Wi-Fi and WiMAX applications S Nelaturi, NVSN Sarma Journal of electromagnetic engineering and science 18 (3), 182-187 , 2018 2018 Citations: 41
CSRR based patch antenna for Wi-Fi and WiMAX applications S Nelaturi, N Sarma Advanced Electromagnetics 7 (3), 40-45 , 2018 2018 Citations: 16
ENGTL based antenna for Wi-Fi and 5G S Nelaturi Analog Integrated Circuits and Signal Processing 107 (1), 165-170 , 2021 2021 Citations: 15
Opportunistic control of crescent shape MIMO design for lower sub 6 GHz 5G applications GNJ Sree, S Nelaturi Microwave and Optical Technology Letters 64 (5), 896-904 , 2022 2022 Citations: 14
Opportunistic control of fractal‐based MIMO antenna for sub‐6‐GHz 5G applications GNJ Sree, S Nelaturi International Journal of Communication Systems 34 (17), e4991 , 2021 2021 Citations: 14
CPW Fed Ultrawideband antenna for microwave imaging application M Sekhar, S Nelaturi 2023 Second International Conference on Electronics and Renewable Systems … , 2023 2023 Citations: 13
Compact 4-Port Vivaldi MIMO antenna for 5G wireless devices G Ramyasree, N Suman Progress In Electromagnetics Research C 131 , 2023 2023 Citations: 12
Dual-Band 4-Port Vivaldi MIMO Antenna for 5G mmWave Applications at 28/39 GHz NS Golla Ramyasree Progress In Electromagnetics Research M 119 (1), 13-24 , 2023 2023 Citations: 10
WITHDRAWN: Design and analysis of high beam forming MIMO antenna for 5G applications A PramodKumar, N Suman, YV Koteswararao, D Venkatachari Materials Today: Proceedings , 2020 2020 Citations: 10
Semi-circular MIMO patch antenna using the neutralization line technique for UWB applications G Naga Jyothi Sree, S Nelaturi Microelectronics, Electromagnetics and Telecommunications: Proceedings of … , 2020 2020 Citations: 10
Compact wideband microstrip patch antenna based on high impedance surface S Nelaturi, N Sarma Engineering, Technology & Applied Science Research 8 (4), 3149-3152 , 2018 2018 Citations: 9
Antipodal vivaldi antenna array for 5g mmwave applications at 28 ghz R Golla, S Nelaturi 2024 IEEE Wireless Antenna and Microwave Symposium (WAMS), 1-4 , 2024 2024 Citations: 7
Wideband circular polarized meandered patch antenna for microwave imaging M Sekhar, S Nelaturi Analog Integrated Circuits and Signal Processing 111 (1), 81-88 , 2022 2022 Citations: 7
A compact 1× 2 MIMO elliptical patch antenna for 5G 3.5 GHz applications GR Sree, S Nelaturi, VV Reddy Telecommunications and Radio Engineering 82 (12) , 2023 2023 Citations: 6
Spiritual leaf shape compact MIMO patch antenna for 5G lower sub-6 GHz applications GN Jyothi Sree, S Nelaturi Frequenz 77 (3-4), 185-201 , 2023 2023 Citations: 5
Antipodal vivaldi array MIMO antenna for 5G FR2 applications at 28 GHz with improved isolation. R Golla, S Nelaturi Frequenz 78 , 2024 2024 Citations: 4
Design of two-port flower shaped MIMO antenna suppression characteristics with Wi-MAX applications NS GNJ Sree Journal of Instrumentation 15 (4), 4018 , 2020 2020 Citations: 4
A Dual band 28GHz and 39GHz 4-port Vivaldi MIMO antenna for 5G wireless devices R Golla, S Nelaturi 2023 IEEE Wireless Antenna and Microwave Symposium (WAMS), 1-5 , 2023 2023 Citations: 3
Opportunistic control of a slotted hexagonal MIMO structure antenna for lower sub-6 GHz 5G Applications G Naga Jyothi Sree, S Nelaturi IETE Journal of Research 69 (8), 5628-5636 , 2023 2023 Citations: 2
