Venkata Kishore Kothapudi
Associate Professor
Vignan's Foundation for Science, Technology, and Research (Deemed to be University)
India
Research Interests

Specialized in: RF design, Transmitters and Receiver chain Analysis, RF/IF &MICROWAVE PASSIVE Components, Antenna design, Phased array antenna design, Beam forming Network design, Shared Aperture Antenna design for Airborne and Space borne synthetic aperture radar, and Radar Engineering.

Biography

Venkata Kishore Kothapudi (S, 14 M, 2018, SM, 2019) was born in Tenali Town, Guntur district, Andhra Pradesh, India, in 1987. Dr. VK working as a Assistant professor, in 1Department of Electronics and Communication Engineering, Vignan’s Foundation for Science, Technology and Research (VFSTR), Vadlamudi, Guntur District, Andhra Pradesh 522213, India. He has completed his Ph.D. at Microwave division, School of Electronics Engineering (SENSE), Vellore Institute of Technology (VIT), Vellore, TN India. He is received M.Tech degree in Communication and Radar Systems from K L E F, India 2012. He Graduated in Electronics and Communication Engineering from TPIST, JNTU Hyderabad India 2008. He has published more than 15 Research papers in International journal and National and IEEE International conferences. He has been author and co-author of many IEEE proceeding papers. He has published research papers in IEEE Access, with a 3.557 impact factor; IET Microwave, Antennas and Propagation;  the Progress in Electromagnetic Research (PIER) international journal, Journal of Electromagnetic Engineering and Science ( JEES), and IEEE international conferences. He is reviewer for several reputed journals (IEEE Access, IET Journals, Electronic Letters, Wiley IJCS, Springer Journals, JEES, ACES, Advanced Electromagnetics JESTR.) He travelled to Sri Lanka and Singapore for the IEEE SYWC 2015 meeting and the IEEE APSAR 2015 conference, respectively, to present his research work and as a part of his research. He has 7+Years of Research and Industry experience in RF and Microwave Engineering in ECIL as a GEA, NARL-ISRO as a Project Student and Astra Microwave Products as an Engineer. He has a rich experience on Radar systems design which includes Transmit/Receive Modules [HF, VHF, L, S & C-Band], RF & Microwave Feeder Network and Beam forming, RF & Microwave Active and passive Components, RF Power Amplifiers, Antenna System which includes Yagi-Uda and Microstrip Patch antenna as a Phased Array with different Configurations by using Analysis and Synthesis Techniques. His area of Research interest is Shared Aperture Antenna technology (Single layer and multilayer-L/S/C/X/K-bands) for Radar Engineering includes Airborne and Space borne Synthetic Aperture Radar and Radar Wind Profilers. He is a Senior Member of Institute of Electrical and Electronics Engineering (IEEE), American Institute of Aeronautics and Astronautics (AIAA), and Applied Computational Electromagnetics Society (ACES). He is associated with IEEE societies (AP-s., MTT-s., AES-s., GRS-s., IP-s., ComSoc & EMC-s.)

 

Work Experience

Experience:

  • Working as an Associate Professor in Electronics and Communication Engineering Department, Vignan’s Foundation for Science Technology, and Research (Deemed to be university), Vaddeswaram, Guntur, from August 2022 to till date.
  • Worked as a Post-Doctoral Research Fellow (2 years Research Grant till August-2025) in Department of Industrial and Information Engineering and Economics, University of L’Aquila, L’Aquila, Italy, Europe, from June 2023 to January 2024. (Discontinued)
  • Worked as an Assistant Professor in Electronics and Communication Engineering Department, Vignan’s Foundation for Science Technology, and Research (Deemed to be university), Vaddeswaram, Guntur, from December 2019 to July 2022.
  • Worked as an Assistant Professor in Electronics and Communication Engineering Department, KLEF (Deemed to be university), Vaddeswaram, Guntur, from October 2017 to July 2018.
  • Worked as a Teaching Research Associate in SENSE Department, VIT-University Vellore. From Oct 2015 to Sep 2017.
  • Worked as a Research Associate in SENSE Department, VIT-University Vellore. From July 2014 to Sep 2015.
  • Worked as an RF Engineer in Astra Microwave Products Limited [AMPL], Hyderabad, from Nov 2012 to June 2014.
  • Worked as a Project Student in NARL-ISRO Gadanki, Tirupathi, from Dec 2011 to Oct 2012.
  • Completed a project/training on "Study of Miniwind Profiler Subsystems (ST-RADAR-206.5 MHz), TR-Module, and Phased Array Antennas" at ECIL, Hyderabad, from May 2011 to June 2011, as part of M.Tech (Communication and Radar System) curriculum.
  • Worked as a GEA in Microwave Components section, Communications Division, Electronics Corporation of India Limited, Hyderabad, From March 2009-March 2010.
  • Certification course and training on Advanced Course in Embedded Systems has successfully completed at VECTOR INSTITUTE, Hyderabad from Sep 2008 to Mar 2009.
Education

Academic Profile:

 

  • Ph.D. Full-time Specialization in RF and Microwave Engineering in Communication department, School of Electronics Engineering, Vellore Institute of Technology, Vellore from July 2014 to September 2019.
  • M.Tech in Communication and Radar systems in Koneru Lakshmaiah Education Foundation, Vaddeswaram during the period 2010-2012.
  • B. Tech in Electronics& Communication Engineering from Thandrapaparaya Institute of Science and Technology Affiliated to J.N.T.U, Hyderabad during the period 2005-2008.
  • Diploma in Electronics& Communication Engineering from Bapatla Polytechnic College Bapatla during the period 2002-2005.
  • SSC from Taluk High School, Tenali during the period 2001-2002.
Honors & Awards

Received Research Award:

  • Received research award 3 times from Vellore Institute of Technology, Vellore for the contribution of research in 2014, 2015, 2016 and, 2017.

Received Travel Grants:

  • Received travel grant from IEEE-GRSS for attending Hands-on Training on Soil Moisture and Agricultural Monitoring using Microwave Remote Sensing being held on 7-9th Feb 2018 at Space Applications Centre-ISRO, Ahmedabad, India. NASA/JPL and ISRO/SAC & IEEE-GRSS. NASA-ISRO Synthetic Aperture Radar (NISAR) and Soil Moisture Active Passive (SMAP).

 

Received Appreciation Awards and Recognitions:

Recipient of the prestigious PIERS 2025 (4th May 2025-8th May 2025) Session Organizer and announced Session Organizer Award, recognizing my global contribution to session leadership at an international level.

Presented at Keysight EDA Technical Session (Dec 11, 2024, Hyatt Place, Hyderabad): Showcased our RF Group’s innovative work using ADS; facilitated hands-on industry exposure for third-year IDP students through free registration support. Received Appreciation Award from Keysight Technologies.

 

Recognized by IEEE Hyderabad Section with a Certificate of Appreciation for valuable contributions to the Section Student Congress 2022 (Theme: The Era of Eduployment, held at Osmania University, Hyderabad, 10–11 Dec 2022), and awarded a Certificate of Recognition for hosting the Student Zonal Congress, UDGAMA’22 (Guntur Subsection, 22 Oct 2022) at Vignan’s Foundation for Science, Technology & Research.

IEEE Conference Chair/Program Chair/Session Chair/Session Organizer

 

  • Program Chair – IEEE 3-Minute Thesis (3Min) Competition, SPACE 2025, July 20th -23rd to be held in Bangalore. I personally coordinated and extended invitations, and am proactively encouraging national-level Ph.D. student participation.
  • Recipient of the prestigious PIERS 2025 (4th May 2025-8th May 2025) Session Organizer and announced Session Organizer Award, recognizing my global contribution to session leadership at an international level.
  • Chair, Technical Session A1, 3rd Wireless, Antennas, and Microwave Symposium (WAMS-2024) February 29 - March 3, 2024 Raghu Engineering College, Visakhapatnam, India Invited to chair the technical session A1 at the WAMS-2024, a prestigious symposium focusing on advancements in wireless, antennas, and microwave technologies.
  • Session Chair | IEEE 2021 Conference on IoT for Rural Healthcare (CIRH-2021) | 16 - 18 December 2021, Served as Session Chair for the "Miscellaneous" session. IEEE Conference organized by the Department of Electronics and Communication Engineering, Vignan's Foundation for Science, Technology & Research (Deemed to be University).  
Publications

List of Publications:

Patents (P) Granted/Published:

  • P1: Venkata Kishore.K, V. Kumar. “Shared Aperture Antenna Technology for Radar Application Using Series Fed X-Band and K-Band,” Application No.201841021139. (GRANTED).
  • P2: Praveena Kati, and Venkata Kishore K. “An X/Ku-band Series-fed Center-fed Shared Aperture Antenna Array for Airborne Synthetic Aperture Radar Applications,” Application No.202241068296, Published in Indian Patent Office (IPO).

Journals (J): SCI/SCIE/Scopus

  • J1: Kothapudi, Venkata Kishore, Lella Sunayana, Shaik Divya, Vijay Kumar, Lakshman Pappula, and Srinivas Kiran Gottapu. "Design of RF Feeding Network [1: 8] using Unequal Amplitude Hybrid Coupler for Low SLL X-Band Radar Applications." Telecommunications and Radio Engineering 84 (2025).
  • J2: Kothapudi, Venkata Kishore, Niharika Thokala, Ramyasri Vallabhaneni, Poojitha Sanaka, Vijay Kumar, Lakshman Pappula, Srinivasa Kiran Gottapu, and Arka Bhattacharya. "AN 8-WAY RF FEED NETWORK FOR 5.3 GHZ C-BAND SAR: DESIGN, SIMULATION, AND ANALYSIS USING STANDARD METHODS." Telecommunications and Radio Engineering 84 (2025).
  • J3: Kati, Praveena, and Venkata Kishore Kothapudi. "An X/Ku‐band shared aperture antenna with open, short, and load‐ended series‐feed center‐fed Chebyshev amplitude distribution array for AIR‐BORNE‐synthetic aperture radar." Microwave and Optical Technology Letters 66.6 (2024): e34228.
  • J4: Kati, Praveena, and Venkata Kishore Kothapudi. "An X/Ku-Band Series Feed Center Fed Shared Aperture Array Antenna for AIR-Borne Synthetic Aperture Radar Applications." Microwave Review 29, no. 2 (2023).
  • J5: Kati, Praveena, and Venkata Kishore Kothapudi. "An X/Ku Dual-Band Shared Aperture Uniform Linear Antenna Array for Airborne Synthetic Aperture Radar Applications." Telecommunications and Radio Engineering 83, no. 3 (2024).
  • J6: Mullapudi, Pratyusha, Narendra Kummitha, Yashwant Kolusu, Praveena Kati, Srinivas Kiran Gottapu, Vijay Kumar, Lakshman Pappula, and Venkata Kishore Kothapudi. "Design of Amplitude and Phase Controlled Butler Beamforming Network for X/Ku-Band Airborne Synthetic Aperture Radar Applications." Telecommunications and Radio Engineering 83 (2024).
  • J7: Nunna, B. A., and V. K. Kothapudi. "A Novel C/X-Band Linear Polarized Conformal Shared Aperture Antenna Array for Spaceborne SAR Applications." IEEE Access 11 (2023): 101045-101054. doi: 10.1109/ACCESS.2023.3315117.
  • J8: Kati, P., and V. K. Kothapudi. "A Shared Aperture X/Ku-Band 5-Group-5-Element Series-Fed Center-Fed Antenna Array with Isolation Improvement for Airborne Synthetic Aperture Radar Applications." IEEE Access 11 (2023): 86271-86284. doi: 10.1109/ACCESS.2023.3304750.
  • J9: Kati, Praveena, and Venkata Kishore Kothapudi. "High-Isolation and Side Lobe Level Reduction for Dual-Band Series-Fed Centre-Fed X/Ku Shared Aperture Binomial Array Antenna for Airborne Synthetic Aperture Radar Applications." Progress in Electromagnetics Research B 101 (2023).
  • J10: Bandi, Raja Babu, Venkata Kishore Kothapudi, Lakshman Pappula, Rajkumar Kalimuthu, Srinivasa Kiran Gottapu. "A Single-Layer S/X-Band Shared Aperture Antenna with MIMO Characteristics at X-Band for Airborne Synthetic Aperture Radar Applications." International Journal of Antennas and Propagation vol. 2023, Article ID 1384388, 17 pages, 2023. doi: 10.1155/2023/1384388.
  • J11: Kothapudi, Venkata Kishore, Poojitha Sanaka, Niharika Thokala, Ramya Sri Vallabhaneni, Praveena Kati, and Lakshman Pappula. "DESIGN AND ANALYSIS OF 1: 8 RADIO FREQUENCY FEEDING NETWORK USING STEP-DOWN IMPEDANCE TRANSFORMER FOR C-BAND AIRBORNE SYNTHETIC APERTURE RADAR APPLICATIONS." Telecommunications and Radio Engineering 82, no. 7 (2023).
  • J12: Kothapudi, V.K., Ramya Sri Vallabhaneni, Niharika Thokala, and Lakshman Pappula. "Design and Analysis of 1 x 8 RF Power Divider/Combiner Using Impedance Limitation Method for C-Band Airborne Synthetic Aperture Radar Applications." Telecommunications and Radio Engineering.
  • J13: Kothapudi, V.K., and Kumar, V. "Hybrid‐fed shared aperture antenna array for X/K‐band airborne synthetic aperture radar applications." IET Microwaves, Antennas & Propagation 15 (2021): 93-102. doi: 10.1049/mia2.12024.
  • J14: Kothapudi, V.K., and Kumar, V. "A multi-layer S/X-band shared aperture antenna array for airborne synthetic aperture radar applications." International Journal of RF and Microwave Computer-Aided Engineering. DOI: 10.1002/MMCE.22720.
  • J15: Kothapudi, V. K., and Kumar, V. "A single layer S/X-band series-fed shared aperture antenna for SAR applications." Progress In Electromagnetics Research C 76 (2017). doi: 10.2528/PIERC17070104.
  • J16: Kothapudi, V. K., and Kumar, V. "Shared aperture antenna technology for SAR: A review of the theory and applications." Journal of Engineering Science and Technology Review 10.3 (2017). doi: 10.25103/jestr.103.07.
  • J17: Kothapudi, V. K., and Kumar, V. "A 6-Port Two-Dimensional 3 × 3 Series-Fed Planar Array Antenna for Dual-Polarized X-Band Airborne Synthetic Aperture Radar Applications." IEEE Access (2018). doi: 10.1109/ACCESS.2018.2810233.
  • J18: Kothapudi, V. K., and Kumar, V. "Compact 1 × 2 and 2 × 2 dual polarized series-fed antenna array for X-band airborne synthetic aperture radar applications." Journal of Electromagnetic Engineering and Science 18.2 (2018). doi: 10.26866/jees.2018.18.2.117.
  • J19: Kothapudi, V.K., Kumar, V. "SFCFOS Uniform and Chebyshev Amplitude Distribution Linear Array Antenna for K-Band Applications." Journal of Electromagnetics, Engineering Science and Technology 19.1 (2019): 64–70. doi: 10.26866/jees.2019.19.1.64.
  • J20: Kothapudi, V. K., and Kumar, V. "Vertical Polarized 1 × 3 Series-Fed Linear Array with Gain and Front to Back Ratio Enhancement for Airborne SAR-X Applications." Progress In Electromagnetics Research M 80 (2019). doi: 10.2528/PIERM18121203.

IEEE Conferences (C):

  • C1: Kati, P., & Kothapudi, V. K. (2024, July). Chebyshev-Amplitude Distribution in X/Ku-Band Shared Aperture Antenna Array With Open, Short, and Load-ended Series Feed for Airborne Synthetic Aperture Radar Applications. In 2024 IEEE Space, Aerospace and Defence Conference (SPACE) (pp. 1097-1099). IEEE.
  • C2: Shaik, I.A., Nallagorla, V., Gaddam, K.D., Bobba, S.D.R., Kati, P., Kothapudi, V.K., and Gottapu, S.K., "Analysis of Uniform Amplitude Butler Beam Forming Network for X/Ku-Band for Air-Borne Synthetic Aperture Radar Applications," in 2024 IEEE Wireless Antenna and Microwave Symposium (WAMS), pp. 1-8, Feb. 2024.
  • C3: Kothapudi, V.K., Bobba, S.D.R., Kati, P., and Gottapu, S.K., "A Single/Dual-Polarized lambda/4 Impedance Transformer Coupled Square Microstrip Patch Antenna for X-band Applications," in 2024 IEEE Wireless Antenna and Microwave Symposium (WAMS), pp. 1-4, Feb. 2024.
  • C4: Thokala, N., Vallabhaneni, R., Sanaka, P., Chakravaram, M.S.S.N.R., Kati, P., Kothapudi, V.K., Gottapu, S.K., Tadikonda, P.K., Gurajala, V., Adapa, C.P., and Sunkara, S.N.R., "Design and Analysis of 8-Way RF Feeding Network for C-Band Airborne Synthetic Aperture Radar Applications Using Conventional Technique," in 2024 IEEE Wireless Antenna and Microwave Symposium (WAMS), pp. 1-11, Feb. 2024.
  • C5: Kati, P., Aman, S., Kothapudi, V.K., and Gottapu, S.K., "A Tri-Band Shared Aperture Binomial Antenna Array AIR-SAR Applications," in 2024 IEEE Wireless Antenna and Microwave Symposium (WAMS), pp. 1-6, Feb. 2024.
  • C6: Kati, Praveena, and Venkata Kishore Kothapudi. "High-Isolation Dual-band Shared Aperture Binomial Antenna Array for Airborne Synthetic Aperture Radar Applications," in 2023 IEEE Wireless Antenna and Microwave Symposium (WAMS), pp. 1-6, 2023.
  • C7: Kayithi et al., "Design and simulation of Smart Planar Array Antenna for Sub (6 GHz) and 5G Applications," in 2022 International Conference on Communication, Computing and Internet of Things (IC3IoT), Mar. 2022, pp. 1–4. doi: 10.1109/IC3IOT53935.2022.9767904.
  • C8: Kothapudi, V.K., et al., "Multiport Shared Aperture Antenna for S/X-Band SAR Applications," in 2021 IEEE Indian Conference on Antennas and Propagation (InCAP), Dec. 2021, pp. 363–366. doi: 10.1109/InCAP52216.2021.9726456.
  • C9: Kothapudi, V.K., et al., "Hybrid-fed Enhanced Gain Circularly Polarized Shared Aperture Antenna Array for X/K-band Airborne Synthetic Aperture Radar Applications," in 2021 Photonics & Electromagnetics Research Symposium (PIERS), Nov. 2021, pp. 1495–1501. doi: 10.1109/PIERS53385.2021.9694891.
  • C10: Kothapudi, V.K., Kati, P., and Nunna, B.A., "Circular Polarized 2-D Series-fed Patch Antenna Array with Direct Coupling for X-band Airborne SAR Applications," in 2021 Photonics & Electromagnetics Research Symposium (PIERS), Nov. 2021, pp. 1478–1485. doi: 10.1109/PIERS53385.2021.9694814.
  • C11: Kothapudi, V.K., et al., "An S/X-band Multi-layer Shared Aperture Antenna with Frequency Ratio of 2.9 for Airborne Synthetic Aperture Radar Applications," in 2021 Photonics & Electromagnetics Research Symposium (PIERS), Nov. 2021, pp. 1406–1411. doi: 10.1109/PIERS53385.2021.9694743.
  • C12: Kothapudi, V.K., et al., "Hybrid-fed Enhanced Gain Circularly Polarized Shared Aperture Antenna for S/X-band Airborne Synthetic Aperture Radar Applications," in 2021 Photonics & Electromagnetics Research Symposium (PIERS), Nov. 2021, pp. 1340–1346. doi: 10.1109/PIERS53385.2021.9694830.
  • C13: Shivagari, S. R., Mindala, P. S., Kandhi, H. V. Prasad Reddy, Kota, P. R., and Kothapudi, V.K., "A 4x4 Phased Array Composed of a Circular Loop Antenna for High Gain Radar Applications," in 2021 IEEE Indian Conference on Antennas and Propagation (InCAP), Dec. 2021, pp. 371–374. doi: 10.1109/InCAP52216.2021.9726184.
  • C14: Kati, P., and Kothapudi, V.K., "Series-Feed Centre-Feed Shared Aperture Antenna Array to Improve Isolation for X/Ku-Band Airborne Synthetic Aperture Radar Applications," in 2021 IEEE Indian Conference on Antennas and Propagation (InCAP), Dec. 2021, pp. 831–834. doi: 10.1109/InCAP52216.2021.9726329.
  • C15: Kati, P., and Kothapudi, V.K., "Performance Analysis of Different Distribution Techniques for C/X/Ku-band Shared Aperture Antenna for SAR Applications," in 2021 Photonics & Electromagnetics Research Symposium (PIERS), Nov. 2021, pp. 1584–1589. doi: 10.1109/PIERS53385.2021.9694864.
  • C16: Kati, P., and Kothapudi, V.K., "5-element Series-feed Shared Aperture Antenna Array for X/Ku-Band SAR Applications," in 2021 Photonics & Electromagnetics Research Symposium (PIERS), Nov. 2021, pp. 1689–1694. doi: 10.1109/PIERS53385.2021.9694680.
  • C17: Kothapudi, V.K., and Kumar, V., "Design of 0.73λ inter-element spacing linear array for 0.43GHz P/UHF-band tropospheric radar wind profiler," in 2015 IEEE 5th Asia-Pacific Conference on Synthetic Aperture Radar (APSAR), Sep. 2015, pp. 277–282. doi: 10.1109/APSAR.2015.7306207.
  • C18: Kothapudi, V.K., Rajesh, G.S., Kumar, V., and Sri Kavya, K.C., "Design and fabrication of 430MHz unequal amplitude equal phase power splitter for tropospheric wind profiling radar feeder network," in 2015 IEEE International Conference on Signal Processing, Informatics, Communication and Energy Systems (SPICES), Feb. 2015, pp. 1–5. doi: 10.1109/SPICES.2015.7091405.

Book Chapters (B):

  • B1: Nunna, Bala Ankaiah, and Venkata Kishore Kothapudi. "Design and analysis of 1× 4 corporate feed conformal microstrip antenna array for X-band spaceborne synthetic aperture radar applications." In Advances in Signal Processing, Embedded Systems and IoT: Proceedings of Seventh ICMEET-2022, pp. 93-102. Singapore: Springer Nature Singapore, 2023.
  • B2: Nunna, Bala Ankaiah, and Venkata Kishore Kothapudi. "Design and Analysis of X-Band Conformal Antenna Array for Spaceborne Synthetic Aperture Radar Applications." In Proceedings of Second International Conference on Computational Electronics for Wireless Communications: ICCWC 2022, pp. 193-204. Singapore: Springer Nature Singapore, 2023.