Research Interests: RF and Microwave Engineering

• Conformal Phased Array Antennas

• Multiple Input Multiple Output Antennas, Full Duplex Antennas

• SIW-based Power dividers and Phase shifters.

• Circularly Polarized Metamaterial/Metasurface Antennas

• Frequency Selective Surfaces (FSS), Electromagnetic Band Gap (EBG), and Artificial Magnetic Conductor (AMC) Structures.

• MIMO and Cognitive Radio Antennas and Multifunctional Filter, Full-duplex antennas.

• Electrically Small Antennas, Conformal antennas, Metamaterial based sensors, and Metamaterial Absorbers.

Major Achievements

• Featured in the list of World Ranking of Top 2% Scientists for the year 2022 which is released by Stanford University USA, on October 10, 2022. 

• Senior Member of International Union of Radio Science (URSI ) 

• Received Young Scientist Award (YSA) in the URSI combined Atlantic/Asia-Pacific Radio Science Conference (URSI AT-AP-RASC 2022) from May 29 to June 3, 2022, in Gran Canaria, Spain 

• Featured Article in IEEE Antennas and Propagation Magazine entitled "Metamaterial Circularly Polarized Antennas: Integrating an epsilon negative transmission line and single split ring-type resonator", vol. 63, no. 4, pp. 60-77, August 2021. (Link to Download)

• Received Ph.D Research Fellowship Award from Institution of Electronics and Telecommunication Engineers (IETE), New Delhi during March 2021 to March 2022.

• Served as Chair-IEEE APS-MTT Joint Student Branch Chapter, IIT(ISM) Dhanbad, from January 2021 to May 2022.

• Received Young Scientist Award (YSA) in the 33rd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI-GASS 2020), held at Rome, Italy during 29 August–5 September,  2020.

• Selected for Huawei Student Grants for attending the online short course on “Antenna Systems for 5G Communications”, European School of Antennas, Florence, Italy during 15-19 February 2021.

• Best Paper Award: Fourth IEEE International Conference on Advanced Computing and Communication Systems, Coimbatore, India, January 6–7, 2017.

• Best Paper Award: International Conference on Signal Processing and Advanced Communication, College of Engineering, Cherthala, Kerala, August 2016.

Selected Journal Publications

1. Mohammad Ameen and Raghvendra Kumar Chaudhary, "RCS Reduction of Eight-Port Multilayer MIMO Antenna based on Linear-to-Circular Polarization Converter with Pattern Diversity Mechanism", IEEE Transactions on Circuits and Systems II: Express Briefs, July 2023, Doi: 10.1109/TCSII.2023.3295092. (Link to Download)

2. Mohammad Ameen, Pravakar Mallick, Rakesh Chowdhury, Arun Kumar Ray, and Raghvendra Kumar Chaudhary, “Wideband Low-RCS Step-Type Cavity-backed Stacked Dielectric Resonator Antenna for Unmanned Aerial Vehicle Communications", IEEE Antennas and Wireless Propagation Letters, vol. 22, no. 9, pp. 2170-2174, September 2023. (Link to Download)

3. Mohammad Ameen and Raghvendra Kumar Chaudhary, "Isolation enhancement of metamaterial-inspired two-port MIMO antenna using hybrid techniques", IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 70, no. 6, pp. 1966-1970, June 2023. (Link to Download)

4. Mohammad Ameen and Raghvendra Kumar Chaudhary, “Metamaterial circularly polarized antennas: Integrating an epsilon negative transmission line and single split ring-type resonator”, IEEE Antennas and Propagation Magazine, vol. 63, no. 4, pp. 60-77, Aug. 2021. (Link to Download)

5. Mohammad Ameen, Thummaluru Sreenath Reddy, and Raghvendra Kumar Chaudhary, “A compact multilayer triple-band circularly polarized antenna using anisotropic polarization converter”, IEEE Antennas and Wireless Propagation Letters, vol. 20, no. 2, pp. 145–149, Feb. 2021. (Link to Download)

6. Mohammad Ameen, Ozair Ahmad,  and Raghvendra Kumar Chaudhary, “Bandwidth and gain enhancement of triple-band MIMO antenna incorporating metasurface based reflector with for WLAN/WiMAX applications”, IET Microwaves, Antennas & Propagation, vol. 14, no. 13, pp. 1493–1503, October 2020. (Link to Download)

7. Mohammad Ameen, Ozair Ahmad, and Raghvendra Kumar Chaudhary “Wideband circularly-polarised high-gain diversity antenna loaded with metasurface reflector for small satellite applications”, IET Electronics Letters, vol. 55, no. 15, pp. 829–831, July 2019. (Link to Download)

8. Mohammad Ameen and Raghvendra Kumar Chaudhary, “Metamaterial-based wideband circularly polarized antenna with rotated V-shaped metasurface for small satellite applications”, IET Electronics Letters, vol. 55, no. 7, pp. 365–366, Apr. 2019. (Link to Download)

9. Mohammad Ameen, and Raghvendra Kumar Chaudhary, “Metamaterial based circularly polarized antenna employing ENG-TL with enhanced bandwidth for WLAN applications”, IET Electronics Letters, vol. 54, no. 20, pp. 1152–1154, Oct. 2018. (Link to Download)

10. Sreenath Reddy Thummaluru, Mohammad Ameen, and Raghvendra Kumar Chaudhary, “Four-Port MIMO Cognitive Radio System for Midband 5G Applications,” IEEE Transactions on Antennas and Propagation, vol. 67, no. 8, pp. 5634–5645, Aug. 2019. (Link to Download)

11. Pravakar Mallick, Mohammad Ameen, Rakesh Chowdhury, Arun Kumar Ray, and Raghvendra Kumar Chaudhary, “Wideband Circularly Polarized Cavity-backed Dielectric Resonator Antenna with Low RCS for Aerial Vehicle Communications", IEEE Antennas and Wireless Propagation Letters, Vol. 21, Issue 7, pp. 1418-1422, July 2022.  (Link to Download) 

12. Sumitha Mathew, Mohammad Ameen, M.P. Jayakrishnan, P. Mohanan, and K. Vasudevan, “Compact dual polarized V slit, stub and slot embedded circular patch antenna for UMTS/ WiMAX/ WLAN applications”, IET Electronics Letters, vol. 52, no. 17, pp. 1425–1426, Aug. 2016. (Link to Download)

Selected Conference Publications

1. Mohammad Ameen and Raghvendra Kumar Chaudhary, “Isolation and gain enhancement of MIMO diversity antenna using metamaterial absorber and linear-to-circular polarization converter”, Accepted for oral presentation at IEEE Microwave, Antennas, and Propagation Conference (MAPCON 2023), 14-20 December 2023, Ahmedabad, India. 

2. Mohammad Ameen and Saptarshi Ghosh, "Millimeter-Wave Wideband Half-Mode SIW Phase Shifter Based on IDC Slots and Thin Dielectric Slab", IEEE Microwave, Antennas, and Propagation Conference (MAPCON 2022), 12-15 December 2022, Bangalore, India. (Link to Download)

3. Mohammad Ameen, Raghvendra Kumar Chaudhary, and Saptarshi Ghosh, "Millimeter-Wave High-Gain and Highly Isolated Diversity MIMO Array Antenna for 5G Wireless Applications", IEEE Microwave, Antennas, and Propagation Conference (MAPCON 2022), 12-15 December 2022, Bangalore, India. (Link to Download)

4. Mohammad Ameen and Raghvendra Kumar Chaudhary, “Wideband four-element MIMO diversity antenna using artificial transmission line and cylindrical dielectric resonator for wireless applications,” 3rd URSI Atlantic/Asia-Pacific Radio Science Meeting (AT-AP-RASC 2022), 29th May to 3rd June 2022, Gran Canaria, Spain. [Young Scientist Award] (Link to Download)

5. Mohammad Ameen, Tarun Prakash, and Raghvendra Kumar Chaudhary, “Eight-port octagonal-shaped metasurface-based MIMO antenna with radar cross section reduction”, International Microwave and RF Conference (IMaRC 2021), 17–19 December 2021, Indian Institute of Technology, Kanpur, India. (Link to Download)

6. Mohammad Ameen and Raghvendra Kumar Chaudhary, “A new and wideband circularly polarized antenna using CRLH-TL and CDRA loading for S and C-band applications,” 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI 2021), 04–10 December 2021, Singapore. (Link to Download)

7. Mohammad Ameen and Raghvendra Kumar Chaudhary, “ENG-TL based two-element diversity antenna with metasurface shielding for high isolation,” 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI 2021), 04–10 December 2021, Singapore. (Link to Download)

8. Mohammad Ameen and Raghvendra Kumar Chaudhary, “Compact Metasurface Loaded Antenna with Improved Axial Ratio Beamwidth for Airborne Applications at 2.2 GHz," XXXIVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI-GASS 2021), 28th August – 4th September 2021, Rome, Italy. (Link to Download)

9. Mohammad Ameen and Raghvendra Kumar Chaudhary, “Compact dual-polarized metasurface antenna with extended axial ratio beamwidth for S and C-band applications,”  33rd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI-GASS 2020),  29th August to 5th September 2020, Rome, Italy. [Young Scientist Award] (Link to Download)

10. Mohammad Ameen and Raghvendra Kumar Chaudhary, “Artificial transmission line loaded dual-polarized electrically small antenna for wireless applications,” 33rd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI-GASS 2020), 29th August to 5th September 2020, Rome, Italy. (Link to Download)

11. Mohammad Ameen, R. Chowdhury, and Raghvendra Kumar Chaudhary, “ACS-fed electrically small metamaterial inspired dual polarized antenna enabled with staircase radiating strips for UMTS/WiMAX/WLAN Applications”, Photonics & Electromagnetics Research Symposium (PIERS 2019), June 17–20, 2019, Rome, Italy. (Link to Download)

12. Mohammad Ameen, Sachin Kalraiya, Sreenath Reddy Thummaluru, and Raghvendra Kumar Chaudhary, “Studies on Metamaterial CRLH-TL based wideband/multiband dual performance circularly polarized conformal antenna with beam steering properties for modern wireless applications”, Photonics & Electromagnetics Research Symposium (PIERS 2019), June 17–20, 2019, Rome, Italy. (Link to Download)

13. M. Abdalla, H. Hassan, Y. Hammad, Mohammad Ameen, and Raghvendra Kumar Chaudhary, “A wideband compact filtering array antenna using two sections L-CRLH impedance transformer”, 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (AP-S/URSI 2019), 07–12 July 2019, Atlanta, Georgia. (Link to Download)

I am born in Pathanamthitta, Kerala, India. I completed PhD degree in RF and Microwave Engineering from the Indian Institute of Technology Dhanbad in May 2022. I completed my B. Tech and M. Tech degrees in Electronics and Communication Engineering from the Mahatma Gandhi University, Kottayam, Kerala, in 2012 and 2014, respectively. Currently, I am working as a Post-Doctoral Research Fellow at the Department of Electrical and Computer Engineering, National University of Singapore. I worked as a Research Associate-I, at the Indian Institute of Technology Indore from June 2022 to December 2022. Also, I worked as a Senior Research Fellow in the Council of Scientific and Industrial Research (CSIR), Government of India-funded project at the Centre for Research in Electromagnetics and Antennas, Cochin University of Science and Technology, Kerala during the period 2015-2017. Also, I worked as a Project Associate-II in DRDO, ITR, Chandipur, Government of India Sponsored Project during 2020-2021.