Dinesh M A

@mitmysore.in

Associate Dean Academics, Assistant Professor in the Department of Electronics and Communication Engineering
Maharaja Institute of Technology Mysore

Dinesh M A


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https://researchid.co/dineshma

EDUCATION

Ph.D, M.Tech., B.E.

RESEARCH, TEACHING, or OTHER INTERESTS

Multidisciplinary
5

Scopus Publications

40

Scholar Citations

3

Scholar h-index

1

Scholar i10-index

Scopus Publications

  • Characterization of Microwave Dielectric Properties and Design of Cylindrical Dielectric Resonator Antenna of Sr₃(VO₄)₂ Ceramic
    M. A. Dinesh, Vinay Kumar, Raghvendra Kumar, Vibha Rani Gupta, V. Subramanian, Vijaylakshmi Dayal
    Transactions on Electrical and Electronic Materials, 2025
  • Synthesis, characterization, and application of Ba3V2O8 ceramics in cylindrical dielectric resonator antenna: Simulation and experimental study
    M.A. Dinesh, Raghvendra Kumar, Vibha Rani Gupta, Vijaylakshmi Dayal
    Materials Science and Engineering B, 2025
  • Investigating a Cylindrical Dielectric Resonator Antenna Fabricated with Li3MgNbO5 Microwave Dielectric Ceramic
    Dinesh M. A., Vinay Kumar, Raghvendra Kumar, Vibha Rani Gupta, V. Subramanian, Vijaylakshmi Dayal
    Ecs Journal of Solid State Science and Technology, 2024
    This work aims to fabricate a single-feed line Cylindrical Dielectric Resonator Antenna (CDRA) using low-temperature sintered Li3MgNbO5 microwave dielectric ceramic as a resonator, excited in HEM11δ mode. The ceramic synthesized using the conventional solid-state route resulted in a single-phase material exhibiting a cubic structure with an Fm-3m space group. The densely packed cylindrical disk of the ceramic was subsequently characterized for its microwave dielectric behaviour in TE01δ mode using the Hakki-Coleman method. The dielectric permittivity (ε r) measures 14.4, with a loss factor (tan δ) nearly equal to 4.01 × 10−4 and a temperature coefficient (τf) of −50.9 ppm °C−1. The antenna design was executed using the high-frequency structure simulator design software, utilizing the dielectric ceramic as the resonator, Cu strip as the feedline, and FR4 as the substrate. The maximum energy was coupled to the antenna when the resonator was placed at 11.75 mm on the substrate. The fabricated CDRA, using appropriate simulated parameters, resonated at 7.67 GHz, offering a return loss (S11) of −32.64 dB and an impedance bandwidth of 10.73%. Furthermore, the CDRA displayed a voltage standing wave ratio of 1.04, ensuring a nearby ideal impedance match and a bandwidth of 810 MHz to support high-speed data transmission.
  • Multi Slotted Microstrip Patch Antenna for Wireless Application
    S Parameswari, M Dinesh, G Vignesh, M Dhanush Kumar
    2024 International Conference on Communication Computing and Internet of Things Ic3iot 2024 Proceedings, 2024
    An innovative multislotted microstrip patch antenna design for wireless applications is shown in this abstract. The need for fast wireless communication systems is growing, and this calls for the creation of small, effective antennas. Multiple slots are incorporated into the microstrip patch structure of the suggested antenna design in order to optimise performance attributes like greater directivity, decreased return loss, and improved bandwidth. The choice of an appropriate substrate material with the required dielectric properties is the first step in the design process. In order to achieve the required resonance frequency and impedance matching, the patch’s geometry is optimised. The antenna’s performance parameters are then enhanced by carefully introducing slots into the patch construction. An essential component of wireless communication systems is antenna bandwidth expansion, which is made possible by the slots in the patch structure. Additionally, the slots improve the antenna’s ability to match impedance and lower return loss. Additionally, the multislotted design improves the antenna’s directivity, which boosts signal strength and coverage.
  • Synthesis and Characterization of the Microwave Dielectric Properties of a (1-x) Li3MgNbO5–(x) Sr3V2O8 Composite for Antenna Application
    M.A. Dinesh, Vinay Kumar, Raghvendra Kumar, Vibha Rani Gupta, V. Subramanian, Vijaylakshmi Dayal
    Key Engineering Materials, 2024
    This study investigates the fabrication of a cylindrical dielectric resonator antenna (CDRA) using ceramic microwave dielectric composites as a resonator. The composites (1-x) Li3MgNbO5-(x) Sr3V2O8 (x=0.25-0.40) have been synthesized via the conventional solid-state reaction method, incorporating 1% B2O3 to lower the sintering temperature. The 0.70-0.30 composite exhibited optimal microwave dielectric properties with a dielectric constant (εr) of 19.20, a quality factor (Q x f) of 3738 GHz, and a temperature coefficient (τf)of -43 ppm/°C. These characteristics render the 0.70-0.30 composite suitable for CDRA applications. The experimentally obtained microwave dielectric parameters were used to simulate the CDRA design using the High-Frequency Structure Simulator design software. A single-feed cylindrical antenna has been fabricated using this composite material as a resonator with a radius × height of 5×6 mm2, mounted on an FR4 substrate measuring close to 25×25×1.6 mm3 and Cu strip as a feed line. The simulated and experimentally measured parameters, including S11, voltage standing wave ratio, and radiation pattern, demonstrated excellent agreement, validating the composite's efficacy for antenna design.

RECENT SCHOLAR PUBLICATIONS

  • Characterization of Microwave Dielectric Properties and Design of Cylindrical Dielectric Resonator Antenna of Sr₃ (VO₄) ₂ Ceramic
    MA Dinesh, V Kumar, R Kumar, VR Gupta, V Subramanian, V Dayal
    Transactions on Electrical and Electronic Materials 26 (5), 689-700 , 2025
    2025
    Citations: 1
  • Synthesis, characterization, and application of Ba3V2O8 ceramics in cylindrical dielectric resonator antenna: Simulation and experimental study
    MA Dinesh, R Kumar, VR Gupta, V Dayal
    Materials Science and Engineering: B 311, 117791 , 2025
    2025
    Citations: 5
  • Synthesis and Characterization of the Microwave Dielectric Properties of a (1-x) Li 3 MgNbO 5 –(x) Sr 3 V 2 O 8 Composite for Antenna Application
    MA Dinesh, V Kumar, R Kumar, VR Gupta, V Subramanian, V Dayal
    Key Engineering Materials 1001, 33-42 , 2024
    2024
  • Investigating a Cylindrical Dielectric Resonator Antenna Fabricated with Li 3 MgNbO 5 Microwave Dielectric Ceramic
    D MA, V Kumar, R Kumar, VR Gupta, V Subramanian, V Dayal
    ECS Journal of Solid State Science and Technology 13 (5), 053003 , 2024
    2024
    Citations: 7
  • Development of an autonomous drone for surveillance application
    MA Dinesh, SS Kumar, J Sanath, KN Akarsh, KMM Gowda
    Proc. Int. Res. J. Eng. Technol. IRJET 5 (8), 331-333 , 2018
    2018
    Citations: 27

MOST CITED SCHOLAR PUBLICATIONS

  • Development of an autonomous drone for surveillance application
    MA Dinesh, SS Kumar, J Sanath, KN Akarsh, KMM Gowda
    Proc. Int. Res. J. Eng. Technol. IRJET 5 (8), 331-333 , 2018
    2018
    Citations: 27
  • Investigating a Cylindrical Dielectric Resonator Antenna Fabricated with Li 3 MgNbO 5 Microwave Dielectric Ceramic
    D MA, V Kumar, R Kumar, VR Gupta, V Subramanian, V Dayal
    ECS Journal of Solid State Science and Technology 13 (5), 053003 , 2024
    2024
    Citations: 7
  • Synthesis, characterization, and application of Ba3V2O8 ceramics in cylindrical dielectric resonator antenna: Simulation and experimental study
    MA Dinesh, R Kumar, VR Gupta, V Dayal
    Materials Science and Engineering: B 311, 117791 , 2025
    2025
    Citations: 5
  • Characterization of Microwave Dielectric Properties and Design of Cylindrical Dielectric Resonator Antenna of Sr₃ (VO₄) ₂ Ceramic
    MA Dinesh, V Kumar, R Kumar, VR Gupta, V Subramanian, V Dayal
    Transactions on Electrical and Electronic Materials 26 (5), 689-700 , 2025
    2025
    Citations: 1
  • Synthesis and Characterization of the Microwave Dielectric Properties of a (1-x) Li 3 MgNbO 5 –(x) Sr 3 V 2 O 8 Composite for Antenna Application
    MA Dinesh, V Kumar, R Kumar, VR Gupta, V Subramanian, V Dayal
    Key Engineering Materials 1001, 33-42 , 2024
    2024