• Research Grant: Project titled "Study for improved estimation as well as understanding of deep cloud particles and melting layer microphysical properties using phase based polarimetric radar simulations and measurements", SERB Core Grant File Number: CRG/2022/000474, Grant amount: 18 Lakhs. Grant period: Feb 2023 – Jan 2026
• Consultancy Project: “Vital Sign Detection and Parameter Estimation using FMCW Radar” Multicoreware Inc. Consultancy charges INR 25000/- per month and 25000/- for a research assistant. Grant period October 2022 - ongoing.

Indian Institute of Technology Palakkad, Assistant Professor, Electrical Engineering, July 2016 - continuing

• Collaboration with Prof. V. Chandrasekar from Colorado State University, Fort Collins on weather radar signal processing

• Collaboration with Microwave Remote Sensing Section, Space Physics Laboratory, VSSC, ISRO

• Setting up of microwave test facility at Central Instrumentation Facility, IIT Palakkad July 2017-Dec 2018

• Setting up of Machines lab at IIT Palakkad, July 2017-May 2019

• Reviewer of IEEE JSTARS, IEEE TGRS, Journal of Atmospheric and Oceanic Technology

MS and PhD student in the group of Prof. Steven C. Reising at Colorado State University, August 2007 - December 2014

• Funded by the Project "High-frequency Airborne Microwave and Millimeter-wave Radiometer" A collaborative project between Colorado State University (Lead) and NASA/Caltech Jet Propulsion Laboratory

• Worked on the Project "Mitigation of Electromagnetic Transmission errors induced by Atmospheric Water Vapor Effects" funded by the European Space Agency for Master of Science in Electrical Engineering

• Participated in fabrication and deployment of Compact Microwave Radiometer for Humidity Profiling

Director of a startup https://sstechscape.com/

Working with Bharat Electronics Limited on aircraft detection project

[1] Lakshmi, K. K., S. Sahoo, S. K. Biswas, and V. Chandrasekar, “Study of Microphysical Signatures Based on Spectral Polarimetry during the RELAMPAGO Field Experiment in Argentina,” J. Atmos. Oceanic Technol., vol. 41, pp. 235–260, 2024, https://doi.org/10.1175/JTECH-D-22-0113.1.

[2] Raj, B., S. Sahoo, N. Puviarasan and V. Chandrasekar, “Operational Assessment of High Resolution Weather Radar Based Precipitation Nowcasting System,” Atmosphere, vol. 15, pp. 1-13, Jan. 2024, https://doi.org/10.3390/atmos15020154.

[3] Pati, S.S., and S. Sahoo, "Metamaterial-Based Angular Stable Polarization-Insensitive Hepta-Band Microwave Absorber With Salient Features for RCS Reduction and Antenna Radiation Improvement," IEEE Transactions on Electromagnetic Compatibility, vol. 66, no. 3, pp. 761-775, June 2024, doi: 10.1109/TEMC.2024.3369735.

[4] Pillai, A. S., S. Sudhakar, S. Benny, S. Sahoo, A. Chandran and K. P. Surendran, “Perforated PVP encapsulated AgNWs for high mass loading in silver nanowire inks for printed RFID integrated wearable smart bands” J. Mater. Chem. C, vol. 12, pp. 575-592, 2024.

[5] Benny, S., and S. Sahoo, “Aperture Fed Microstrip Dual Polarization Wide Scan Phased Array Antenna with Mutual Coupling Reduction,” IEEE Access, vol. 12, pp. 16397–16407, 2024. doi: 10.1109/ACCESS.2024.3355591.

[6] Benny, S., S. Sahoo, S., and A. Mukundan, “Study on Impact of Mutual Coupling on Performance of Dual Polarized Phased Array Antenna,” Advanced Electromagnetics, vol. 11, pp. 15–22, 2022. https://doi.org/10.7716/aem.v11i2.1843

[7] Pati, S.S. and S. Sahoo, “Single/Dual/Triple Broadband Metasurface Based Polarisation Converter with High Angular Stability for Terahertz Applications,” Micromachines, vol. 13, pp. 1-18, 2022. https://doi.org/10.3390/mi13091547

[8] Uday S., S. Sahoo and S. Benny, “Water Pollution Level Detection using Patch Antenna Measurements at Microwave Frequencies,” Inf. Midem-J. Microelectron. Electron. Compon. Mater, vol. 52, pp. 147-157, 2022, doi: https://ojs.midem-drustvo.si/index.php/InfMIDEM/article/view/1307/362

[9] Das, S. K., S. M. Deshpande, U.V. M. Krishna, M. Konwar, Y. K. Kolte, K. Chakravarty, M.C.R. Kalapureddy, S. Sahoo, “Aspects of melting layer and fall streaks in stratiform cloud system over the Western Ghats, India from Ka-band polarimetric radar observations,” Atmospheric Research, vol. 281, 2023, https://doi.org/10.1016/j.atmosres.2022.106463.

[10] Mathew, N., S. Sahoo, Renju R. and C. Suresh Raju, "Millimeter‐Wave Radiometric Information Content Analysis for Venus Atmospheric Constituents", Radio Science, vol. 55, no. 2, pp. 1-13, Jan. 2020. https://doi.org/10.1029/2019RS006913

[11] Panda, S., S. Sahoo and G. Pandithurai, “Time Series Analysis of Ground-Based Microwave Measurements at K- and V-Bands to Detect Temporal Changes in Water Vapor and Temperature Profiles,” Geosci.  Instrum. Method. Data Syst., 2017. doi:10.5194/gi-2016-16.

[12] Sahoo, S., S. C. Reising, S. Padmanabhan, J. Vivekanandan, F. Iturbide-Sanchez, N. Pierdicca, E. Pichelli and D. Cimini, “3-D Humidity Retrieval using a Network of Compact Microwave Radiometers to Correct for Variations in Wet Tropospheric Path Delay in Spaceborne Interferometric SAR Imagery,” IEEE Trans. Geosci. Remote Sens., vol. 49, no. 9, pp. 3281–3290, Sept. 2011.

[13] Sahoo, S., X. Bosch-Lluis, S. C. Reising, and J. Vivekanandan, “Radiometric Information Content for Water Vapor and Temperature Profiling in Clear Skies between 10 and 200 GHz,” IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 8, no. 2, pp. 859-871, Feb. 2015.

[14] Sahoo, S., X. Bosch-Lluis, S. C. Reising, and J. Vivekanandan, “Optimization of Background Information and Layer Thickness for Improved Accuracy of Water-Vapor Profile Retrieval from Ground-Based Microwave Radiometer Measurements at K-band,” IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 8, no. 9, pp. 4284 - 4295, Sept. 2015.

[15] Sahoo, S., X. Bosch-Lluis, S. C. Reising, and J. Vivekanandan, “Retrieval of Slant Water Path and Slant Liquid Water using Microwave Radiometer Measurements during the DYNAMO Experiment,” IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, vol. 8, no. 9, pp. 4315 - 4324, Sept. 2015.

[1] Abhijith S. S., S. Sahoo, G. Tanyar and Peter, “Vital Sign Detection and Parameter Estimation using FMCW Radar”, URSI-RCRS 2024, accepted

[2] Athira S., S. Sahoo, S. Das, “Simulation of Scattering Coefficients and Phase for Cloud Particles and Hail at X-band for Estimating Polarimetric Variables”, 
URSI-RCRS 2024, accepted

[3] S. Athira, S. Sahoo, S. Benny and V. Chandrasekar, "Minimum Variance Distortionless Response based Distributed Beamforming Technique for C-Band 
Weather Radar," 2023 IEEE India Geoscience and Remote Sensing Symposium (InGARSS), Bangalore, India, 2023, pp. 1-4, doi: 10.1109/InGARSS59135.2023.10490350.

[4] A. Mandal, P. Gupta, S. Sahoo, P. Dangwal and J. R. Palathinkal, "Simulation based study of Aircraft Detection in Chaff Environment using Radar Techniques," 
2023 3rd International Conference on Range Technology (ICORT), Chandipur, Balasore, India, 2023, pp. 1-6, doi: 10.1109/ICORT56052.2023.10249204.

[5] K. K. Aiswarya Lakshmi, S. Sahoo, S. K. Biswas and V. Chandrasekar, "Spectral Polarimetry for Inferring the Dynamic Behavior of Hail, Rain and their Temporal 
Evolution in a Convective Storm during the RELAMPAGO Field Campaign," 2023 IEEE India Geoscience and Remote Sensing Symposium (InGARSS), Bangalore, India, 2023, pp. 1-4, doi: 10.1109/InGARSS59135.2023.10490360.

[6] S. Benny and S. Sahoo, "Polarization Switching Frequency Reconfigurable Dual Polarization Antenna Element for Phased Array Weather Applications," 
2023 IEEE Wireless Antenna and Microwave Symposium (WAMS), Ahmedabad, India, 2023, pp. 1-5, doi: 10.1109/WAMS57261.2023.10242976.

[7] S. S. Pati and S. Sahoo, "Metasurface Based Linear to Linear or Linear to Circular Multiband Multi Polarisation Converter for Satellite Communication,"
 2023 IEEE International Symposium On Antennas And Propagation (ISAP), Kuala Lumpur, Malaysia, 2023, pp. 1-2, doi: 10.1109/ISAP57493.2023.10388875.

[8] S. Benny and S. Sahoo, "Mutual Coupling Reduction between elements of Dual-polarization Phased Array Antenna for Weather Radars," 
2022 24th International Microwave and Radar Conference (MIKON), Gdansk, Poland, 2022, pp. 1-6, doi: 10.23919/MIKON54314.2022.9924855.

[9] S. K. Biswas, V. Chandrasekar, S. Sahoo and A. K. Lakshmi, "Study of a Convective Event During the Relampago Field Experiment Using Spectral Polarimetry," 
IGARSS 2022 - 2022 IEEE International Geoscience and Remote Sensing Symposium, Kuala Lumpur, Malaysia, 2022, pp. 6534-6537, doi: 10.1109/IGARSS46834.2022.9884392.

[10] S. S. Pati, S. Dey, S. Benny, S. Sahoo and S. Dey, "2D Double Semi Circular Goblet Shaped Angular Stable Dual Band Reflection Type Polarization 
Converter And Its Application in Radar Cross Section Reduction," 2022 IEEE Wireless Antenna and Microwave Symposium (WAMS), Rourkela, India, 2022, pp. 1-5, doi: 10.1109/WAMS54719.2022.9847890.

[11] S. S. Pati, S. Dey, S. Sahoo and S. Dey, "Double E-Shaped Reflection Type Polarization Converter For Radar Cross Section Reduction," 
2021 IEEE Indian Conference on Antennas and Propagation (InCAP), Jaipur, Rajasthan, India, India, 2021, pp. 839-842, doi: 10.1109/InCAP52216.2021.9726418.

[12] S. Benny and S. Sahoo, "Analysis of Optimized Subarray Configuration for Cross Polarization Reduction for Phased Array Antennas used in Weather Radar,"
 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI), Singapore, Singapore, 2021, pp. 519-520, doi: 10.1109/APS/URSI47566.2021.9703890.

[13] S. Sahoo, K. V. Mishra and S. Sharif, "Robust Beamforming for X-Band Phased Array Weather Radar," 2019 URSI Asia-Pacific Radio Science Conference 
(AP-RASC), New Delhi, India, 2019, pp. 1-4, doi: 10.23919/URSIAP-RASC.2019.8738384.

[14] S. Sahoo, S. Dey, N. Mathew, S. Raju and K. Bhattacharyya, "Design of Millimeter-wave Radiometer for Measuring Water Vapour in Venus Atmosphere," 
2019 URSI Asia-Pacific Radio Science Conference (AP-RASC), New Delhi, India, 2019, pp. 1-1, doi: 10.23919/URSIAP-RASC.2019

Defence India Startup Challenge 4 winner 2021- Target Detection in Chaff Environment  https://idexserver.companydemo.in/uploads/resources/1677041943_84dc4abb6fb3a3f99b35.pdf  Page 11