[3] D.K. Sahoo, D. Kundu, A. Patnaik, “Dual-Polarized Broadband Reconfigurable Intelligent Surface Using Minimum Number of PIN Diodes ” IN patent (Filed), appl no. 202511067889, 2025

[2] D. Kundu, K. Joshi, D.K. Sahoo, V. A. Bohara, “A System with Reconfigurable Intelligent Surface for Wireless Communication and a Method of Operation Thereof” IN patent (Filed), appl no. 202511050948, 2025

[1] D. Kundu, A. Parameswaran, H. S. Sonalikar, D. Bhattacharya, and S. Gupta, “A Low Radar Cross Section Circularly Polarized Reflectarray,” IN Patent, appl. no. 202211057030, patent no. 556522, 2023.

[24] K. Macdonell, D. Kundu, C. Andersen, L. Rufail, and S. Gupta, “A mechatronic shape-shifting reflector system with true independent reflection magnitude and phase control for dynamic beamforming," IEEE Access, vol. 13, pp. 65301-65315, 2025 [PreprintLink] 

[23] B. Ansari, D. Kundu, S. K. Biswas, “A multi-frequency GPS and NavIC reflectometry receiver using commercially off-the-shelf SDR,” GPS Solut., vol. 29, no. 29, 2025 [Link] 

[22] P. Sakyi, J. Dugan, D. Kundu, T. J Smy, and S. Gupta, “Waveguide-Floquet mapping using surface susceptibilities for passive and active metasurface unit cell characterization," IEEE Trans. Antennas Propag., vol. 72, no. 9, pp. 7110-7121, 2024 [PreprintLink] 

[21] M. K. Emara, D. Kundu, K. MacDonell, L. M. Rufail, and S. Gupta, “Reconfigurable metasurface reflectors using split-ring resonators with co-designed biasing for magnitude/phase control,“ IEEE Trans. Antennas and Propag., vol. 72, no. 9, pp. 7425-7430, 2024 [Link]

[20] S. Mukherjee, D. Kundu, and A. Khan, “Mitigation of metal body proximity effect in magnetically coupled HF RFID systems,” IEEE J. Radio Freq. Identif., vol. 8, pp. 421-430, 2024 [Link]

[19] M. K. Emara, D. Kundu, K. MacDonell, L. M. Rufail, and S. Gupta, “Dynamic metasurface reflectors based on coupled resonators for simultaneous magnitude and phase Control," IEEE Access, vol. 11, pp. 129552-129565, 2023 [Link] 

[18] M. K. Emara, D. Kundu, K. Macdonell, L. Rufail, and S. Gupta, “Coupled resonator-based metasurface reflector with enhanced magnitude and phase coverage," IEEE Trans. Antennas Propag., vol. 71, no. 8, pp. 6501-6512, 2023 [Link] 

[17] A. Parameswaran, D. K. Sahoo, H. S. Sonalikar, D. Kundu, and A. Patnaik, “PSO-assisted design of a dual-polarized broadband switchable rasorber/absorber,” IEEE Trans. Electromag. Compt., vol. 65, no. 5, pp. 1309-1319, 2023. [Link]

[16] P. Bajaj, D. Kundu, and D. Singh, “Frequency selective surface-based electromagnetic absorbing structures: trends and perspectives,” Wireless Personal Communications, pp. 1-32, 2023, doi: 10.1007/s11277-023-10525-x. [Link]

[15] D. Kundu, A. Parameswaran, H. S. Sonalika, D. Bhattacharya, and S. Gupta, “Design of a low-RCS circularly polarized reflectarray antenna with a linearly polarized feed” IEEE Trans. Antennas and Propag., vol. 71, no. 8, pp. 6501-6512, 2023. [Link]

[14] A. Parameswaran, A. Ovhal, D. Kundu, H. S. Sonalikar, J. Singh, and D. Singh, “A low-profile ultrawideband absorber using lumped resistor-loaded cross dipoles with resonant nodes,” IEEE Trans. Electromag. Compt., vol. 64, no. 5, pp. 1758-1766, 2022. [Link]

[13] D. Kundu, D. Bhattacharya, and R. Ruchi, “A single-layer broadband reflectarray in K-Band using cross-loop slotted patch elements,” IEEE Access, vol. 10, pp. 13490-13495, 2022. [Link]

[12] A. Parameswaran, D. Kundu, and H. S. Sonalikar, “A dual polarized wideband frequency selective rasorber with low in-band insertion loss and high oblique incidence stability,” IEEE Trans. Electromag. Compt., vol. 63, no. 6, pp. 1820-1828, 2021. [Link]

[11] A. Parameswaran, H. S. Sonalikar, and D. Kundu, “Temperature-dependent electromagnetic design of inhomogeneous planar layer variable thickness radome for power transmission enhancement,” IEEE Antennas Wireless Propag. Lett., vol. 20, no. 8, pp. 1572-1576, 2021. [Link]

[10] D. Kundu, J. Singh, D. Singh and A. Chakrabarty, “Design and analysis of broadband ultrathin reflective linear-to-circular polarization converter using polygon-based anisotropic-impedance surface,” IEEE Trans. Antennas and Propag., vol. 69, no. 8, pp. 5154-5159, 2021. [Link]

[9] D. Kundu, S. Baghel, A. Mohan and A. Chakrabarty, “Design and analysis of printed lossy capacitive surface based ultra-wideband low-profile absorber,” IEEE Trans. Antennas and Propag., vol. 67, no. 5, pp. 3533–3538, 2019. [Link]

[8] D. Kundu, R. K. Gayen, A. Mohan and A. Chakrabarty, “Moment method analysis of periodic array of thin conducting strips using waveguide simulator,” J. Electromagn. Waves Appl., vol. 32, no. 3, pp. 363-370, 2018. [Link]

[7] D. Kundu, A. Mohan and A. Chakrabarty, “Design of ultrathin dual resonant reflective polarization converter with customized bandwidths,” Appl. Physics A, vol. 123, no. 10, p. 621, 2017. [Link]

[6] D. Kundu, A. Mohan and A. Chakrabarty, “A compact ultrathin broadband absorber by reducing cross-polarized reflection from metal-backed anisotropic array,” Microwave and Opt. Technol. Lett., vol. 59, no. 4, pp. 970-976, 2017. [Link]

[5] D. Kundu, A. Mohan and A. Chakrabarty, “Comment on ‘Wide-angle broadband microwave metamaterial absorber with octave bandwidth’,” IET Microwaves Antennas Propag., vol. 11, no.3, pp. 442-443, 2017. [Link]

[4] D. Kundu, A. Mohan and A. Chakrabarty, “Reduction of cross-polarized reflection to enhance dualband absorption,” J. Appl. Physics, vol. 120, no.20, p. 205103, 2016. [Link]

[3] L. B. Pratap, D. Kundu, and A. Mohan “Planar microstrip-fed broadband circularly polarized antenna for UWB applications,” Microwave and Opt. Technol. Lett., vol 58, no. 5, pp. 1088-1093, 2016. [Link]

[2] D. Kundu, A. Mohan, A. Chakrabarty, “Single layer wideband microwave absorber using array of crossed dipoles,” IEEE Antennas Wireless Propag. Lett., vol. 15, no.99, pp.1589-1592, 2016. [Link]

[1] D. Kundu, A. Mohan and A. Chakraborty, “Ultrathin polarization independent absorber with enhanced bandwidth by incorporating Giusepe Peano fractal in square ring,” Microwave and Opt. Technol. Lett., vol 57, no. 5, pp. 1072-1078, 2015. [Link]

[24] D. K. Sahoo, D. Kundu, A. Patnaik, “Design of a 1-bit coding metasurface with prephasing to mitigate the quantization lobe under plane wave incidence,” accepted for presentation in IEEE Microwave Antennas and Propagation Conference (MAPCON), 2025

[23] M. Fatima, E. D. Singh, Ruchi, D. Kundu, V. A. Bohara, “Design of a self-powered 1-Bit coding RIS for 5G communications at N78 band,” accepted for presentation in IEEE Microwave Antennas and Propagation Conference (MAPCON), 2025

[22] D. K. Sahoo, D. Kundu, A. Patnaik, “Harmonic beam steering with 2-bit equivalent phases using a 1-bit time-domain coding metasurface,” presented in IEEE Microwave Antennas and Propagation Conference (MAPCON), 2024

[21] K. Yasmeen, D. Kundu, S. S. Ram, “Around-the-corner radar sensing using reconfigurable intelligent surface,” presented in IEEE Microwave Antennas and Propagation Conference (MAPCON), 2024

[20] K. Joshi, D. K. Sahoo, D. Kundu, V. A. Bohara, A. Patnaik, “Enhancing wireless connectivity in skip zones via energy-efficient reconfigurable intelligent surface,” presented in ACM Compass, New Delhi, 2024

[19] D. K. Sahoo, C. Chakraborty, D. Kundu, A. Patnaik, and A. Chakrabarty, “A 1-bit coding reconfigurable metasurface reflector for millimeter wave communications in E-Band,” presented in IEEE Microwave Antennas and Propagation Conference (MAPCON), 2023

[18] D. Kundu and S. Gupta, “A 1-Bit coding reconfigurable metasurface reflector for circularly polarized wave beam steering from linearly polarized incidence,” URSI General Assembly and Scientific Symposium (GASS), 2023, pp. 1-4.

[17] D. Kundu, M. K. Emara, L. Rufail, and S. Gupta, “Waveguide-Floquet mapping based on surface susceptibilities for metasurface unit cell characterization,” URSI General Assembly and Scientific Symposium (GASS), 2023, pp. 1-4.

[16] M. K. Emara, D. Kundu, L. Rufail, and S. Gupta, “Coupled resonator configuration for enhanced reflectarray magnitude and phase control,” IEEE European Conference on Antennas and Propagation (EuCAP), 2023, pp. 1-4.

[15] C. Chakraborty, D. K. Sahoo, D. Kundu, A. Patnaik, and A. Chakrabarty, “Capacity optimization in coding metasurface-based reconfigurable intelligent surface-aided MIMO,” IEEE Microwave Antennas and Propagation Conference (MAPCON), 2022, pp. 1-4.

[14] P. Bajaj, D. Kundu, and D. Singh, “A dual-polarized L-S-band frequency-selective rasorber with highly selective transmission response,” presented in IEEE Microwave Antennas and Propagation Conference (MAPCON), 2022

[13] D. K. Sahoo, D. Kundu, and A. Patnaik, “Harmonic beam steering along both the cardinal planes using a dual-polarized space-time-coding digital metasurface,” IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, 2022, pp. 918-919.

[12] A. Parameswaran, H. S. Sonalikar, and D. Kundu, “Design of a dual-polarized notch band absorber with high band edge selectivity and broad absorption bandwidth,” IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, 2022, pp. 1252-1253.

[11] Ruchi, N. V. Kumar, N. N. Naik, D. Kundu, and M.V. Kartikeyan, “A rectenna for RF energy harvestin for application in powering IoT devices,” IEEE Wireless Antennas and Microwave Symposium (WAMS), 2022, pp. 1-4.

[10] A. Ovhal, A. Parameswaran, D. Kundu, and H. S. Sonalikar, “Design of a wide-band circuit analog absorber using modified square loop loaded with lumped resistors,” IEEE Wireless Antennas and Microwave Symposium (WAMS), 2022, pp. 1-4.

[9] P. Bajaj, D. Kundu, and D. Singh, “Design of a narrowband and a wideband switchable absorber/ reflector using an active frequency selective surface with embedded biasing network,” IEEE Wireless Antennas and Microwave Symposium (WAMS), 2022, pp. 1-4.

[8] D. K. Sahoo, D. Kundu, D. Bhattacharya, and A. Patnaik, “A 1-bit coding reflective metasurface for beam steering along both the cardinal planes using dual-polarized incident waves,” IEEE Indian Conference on Antennas and Propagation (InCAP), 2021, pp. 571-574.

[7] D. Kundu, D. Bhattacharya, and D. Pathak, “Simultaneous transmission and reflection mode linearto- circular polarization conversion using a single metasurface,” IEEE Indian Conference on Antennas and Propagation (InCAP), 2021, pp. 591-594.

[6] D. Bhattacharya, D. Kundu, “An analytical approach for the generation of second-order Floquet-Bloch mode for anomalous reflection using metagratings,” IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, 2021, pp. 1529-1530.

[5] D. Kundu, A. Mohan, and A. Chakrabarty, “Design of a high performance reflective linear to circular polarization converter with wide axial ratio bandwidth,” URSI Regional Conference on Radio Science (URSI-RCRS), Varanasi, India, Feb. 2020, pp. 1-3.

[4] D. Kundu, A. Mohan, A. Chakrabarty, J. Singh and D. Singh, “An ultrathin linear-to-circular polarization converter with wide axial ratio bandwidth,” IEEE Asia-Pacific Microwave Conference (APMC), Singapore, Singapore, Dec. 2019, pp. 929-931.

[3] D. Kundu, A. Mohan and A. Chakrabarty, “Design of a conductive FSS based ultrathin absorber using impedance analysis method of equivalent circuit model,” IEEE Indian Conference on Antennas and Propagation, Hyderabad, India, pp. 1-4, Dec. 2018.

[2] D. Kundu, A. Mohan and A. Chakrabarty, “Ultrathin high-efficiency X-band reflective polarization converter using sunken double arrowhead metasurface,” IEEE Asia Pacific Microwave Conference, New Delhi, India, pp. 1-4, Dec. 2016.

[1] D. Kundu, A. Mohan and A. Chakrabarty, “Thickness reduction of single layer circuit analog absorber,” IEEE Applied Electromagnetics Conference, Guwahati, India, pp. 1-2, Dec. 2015.