WiCom Research Group

V. Bankey, P. K. Upadhyay, and D. B. da Costa, "Physical Layer Security in Hybrid Satellite-Terrestrial Relay Networks," Physical Layer Security, K. N. Le (eds.), Springer Nature Switzerland, 2021.
P. K. Upadhyay, "Improving Performance of Relay-Assisted Molecular Communication Systems using Network Coding," Modelling, Simulation and Intelligent Computing, N. Goel et al. (eds.), Springer Nature Singapore, 2020.
V. Bankey and P. K. Upadhyay, "On the Physical Layer Security for Land Mobile Satellite Systems," Modelling, Simulation and Intelligent Computing, N. Goel et al. (eds.), Springer Nature Singapore, 2020.
V. Singh, P. K. Upadhyay, K.-J. Lee, and D. B. da Costa, "Cooperative and Cognitive Hybrid Satellite-Terrestrial Networks," Cognitive Radio Mobile Communications and Wireless Networks, M.H. Rehmani and R. Dhaou (eds.), EAI/Springer Innovations in Communications and Computing Book Series, 2018.
D. S. Gurjar and P. K. Upadhyay, "Spectrum Sharing for D2D Communications in Fifth-Generation Wireless Networks," Enabling Technologies and Architectures for Next-Generation Networking Capabilities, M. Elkhodr (eds.), IGI Global, 2018.
P. K. Upadhyay and S. Prakriya, “Bidirectional Cooperative Relaying,” in Radio Communications, Alessandro Bazzi (eds.), InTech, 2010.
P. K. Upadhyay, “Spatial Diversity for Analog Network Coding,” Lambert Academic Publishing, Germany, 2012.

2022

[J59] C. K. Singh, V. Singh, P. K. Upadhyay, and M. Lin, "Energy Harvesting in Overlay Cognitive NOMA Systems with Hardware Impairments," IEEE Systems Journal, vol. 16, no. 2, pp. 2648-2659, Jun. 2022.

[J58] L. Chouhan, P. K. Upadhyay, P. K. Sharma, and A. M. Salhab, "On Anomalous Diffusion of Devices in Molecular Communication Systems," IEEE Transactions on Molecular, Biological, and Multi-Scale Communications, accepted for publication, April 2022.

[J57] S. Jain, P. Jain, P. K. Upadhyay, J. M. Moualeu, and A. Srivastava, "An Energy Efficient Health Monitoring Approach with Wireless Body Area Networks," ACM Transactions on Computing for Healthcare, vol. 3, no. 3, article no. 29, pp. 1-22, July 2022.

[J56] C. K. Singh and P. K. Upadhyay, "Overlay Cognitive IoT-Based Full-Duplex Relaying NOMA Systems with Hardware Imperfections," IEEE Internet of Things Journal, vol. 9, no. 9, pp. 6578-6596, May 2022.

[J55] L. Chouhan and P. K. Upadhyay, "Effect of Time-Dependent Drift and Diffusion in Molecular Communication Systems," IEEE Communications Letters, vol. 26, no. 4, pp. 778-782, April 2022.

[J54] V. Singh and P. K. Upadhyay, "Exploiting FD/HD Cooperative-NOMA in Underlay Cognitive Hybrid Satellite-Terrestrial Networks," IEEE Transactions on Cognitive Communications and Networking, vol. 8, no. 1, pp. 246-262, Mar. 2022.

[J53] V. Singh and P. K. Upadhyay, "Exploiting Cache-Free/Cache-Aided TWR-NOMA in Cognitive Hybrid Satellite-Terrestrial Networks," IEEE Transactions on Vehicular Technology, vol. 71, no. 2, pp. 1778-1793, Feb. 2022.

2021

[J52] H. Kong, M. Lin, J. Zhang, J. Ouyang, J-B. Wang, P. K. Upadhyay, "Ergodic sum rate for uplink NOMA transmission in satellite-aerial-ground integrated networks," Chinese Journal of Aeronautics, Nov. 2021.

[J51] A. K. Shukla, V. Singh, P. K. Upadhyay, A. Kumar, and J. M. Moualeu, "Performance Analysis of Energy Harvesting-Assisted Overlay Cognitive NOMA Systems with Incremental relaying," IEEE Open Journal of the Communications Society, vol. 2, pp. 1558-1576, June 2021.

[J50] S. M. Nemalidinne, A. Kumar, and P. K. Upadhyay, "Adaptive User Pairing for NOMA System with Imperfect SIC," IEEE Wireless Communications Letters, doi: 10.1109/LWC.2021.3074036, Apr 2021.

[J49] A. K. Shukla, P. K. Upadhyay, A. Srivastava, and J. M. Moualeu, "Enabling Co-Existence of Cognitive Sensor Nodes with Energy Harvesting in Body Area Networks," IEEE Sensors Journal, vol. 21, no. 9, pp. 11213-11223, May 2021.

[J48] V. Singh, S. Solanki, P. K. Upadhyay, D. B. da Costa, and J. M. Moualeu, "Performance Analysis of Hardware-Impaired Overlay Cognitive Satellite-Terrestrial Networks with Adaptive Relaying Protocol," IEEE Systems Journal, vol. 15, no. 1, pp. 192-203, Mar. 2021.

[C42] N. S. Mouni, A. Kumar, and P. K. Upadhyay, "Minimum SINR Difference based User Paring for NOMA Systems with Imperfect SIC," N2Women Workshop, ACM SIGCOMM Posters, August 23-27, 2021.

[C41] A. K. Shukla, P. K. Upadhyay, A. Srivastava, and J. M. Moualeu, "Energy Harvesting-Assisted Cognitive Sensor Nodes in Wireless Body Area Networks," IEEE 7th World Forum on Internet of Things (WF-IoT 2021), New Orleans, Louisiana, USA, 14 June-31 July 2021.

2020

[J47] L. Chouhan, P. K. Sharma, P. K. Upadhyay, P. Garg, and N. Varshney, "Impacts of Unintended Nanomachine in Diffusion-based Molecular Communication System," IEEE Transactions on Molecular, Biological, and Multi-Scale Communications, vol. 6, no. 3, pp. 210-219, Dec. 2020.

[J46] S. Solanki, P. K. Upadhyay, D. B. da Costa, H. Ding, and J. M. Moualeau, "Performance Analysis of Piece- Wise Linear Model of Energy Harvesting-Based Multiuser Overlay Spectrum Sharing Networks," IEEE Open Journal of the Communications Society, vol. 1, pp. 1820-1836, Nov. 2020.

[J45] X. Liu, M. Lin, W. -P. Zhu, J. -Y. Wang , and P. K. Upadhyay, "Outage Performance for Mixed FSO-RF Transmission in Satellite-Aerial-Terrestrial Networks," IEEE Photonics Technology Letters, vol. 32, no. 21, pp. 1349-1352, Nov. 2020.

[J44] P. K. Upadhyay, "Development of Spectral- and Energy-Efficient Wireless Communication Techniques," CSI Transactions on ICT, vol. 8, no. 2, pp. 165-169, June 2020.

[J43] V. Singh, P. K. Upadhyay, and M. Lin, " On the Performance of NOMA-Assisted Overlay Multiuser Cognitive Satellite-Terrestrial Networks," IEEE Wireless Communications Letters, vol. 9, no. 5, pp. 638-642, May 2020.

[J42] G. Cheng, Q. Huang, R. Xing, M. Lin, and P. K. Upadhyay, "On the Secrecy Performance of Integrated Satellite-Aerial-Terrestrial Networks," International Journal of Satellite Communications and Networking, vol. 38, no. 3, pp. 314-327, May 2020.

[C40] V. Singh, V. Bankey, and P. K. Upadhyay, Underlay Cognitive Hybrid Satellite-Terrestrial Networks with Cooperative-NOMA," IEEE Wireless Communications and Networking Conference (WCNC), Seoul, South Korea, 25-28 May 2020.

[C39] V. Bankey, V. Singh, and P. K. Upadhyay, “Physical Layer Secrecy of NOMA-Based Hybrid Satellite-Terrestrial Relay Networks,” IEEE Wireless Communications and Networking Conference (WCNC), Seoul, South Korea, 25-28 May 2020.

[C38] V. Bankey and P. K. Upadhyay, “On the Physical Layer Security for Land Mobile Satellite Systems,” International Conference on Modelling, Simulation & Intelligent Computing (MoSICom 2020), Dubai, UAE, 29-31 Jan. 2020.

[C37] P. K. Upadhyay, "Improving Performance of Relay-Assisted Molecular Communication Systems using Network Coding," International Conference on Modelling, Simulation & Intelligent Computing (MoSICom 2020), Dubai, UAE, 29-31 Jan. 2020.

[C36] V. Bankey and P. K. Upadhyay, "Improving Secrecy Performance of Land Mobile Satellite Systems via a UAV Friendly Jammer," IEEE Consumer Communications & Networking Conference (CCNC): Workshop on Unmanned Aerial Vehicle (UAV 20) Communications & Networks, Las Vegas, USA, 10-13 Jan. 2020.

[C35] V. Singh, S. Solanki, P. K. Upadhyay, D. B. da Costa, and J. M. Moualeu, "Impact of Hardware Impairments on Cognitive Satellite-Terrestrial Relaying with a Direct Link," IEEE Consumer Communications & Networking Conference (CCNC), Las Vegas, USA, 10-13 Jan. 2020.

2019

[J41] S. Solanki, V. Singh, and P. K. Upadhyay, "RF Energy Harvesting in Hybrid Two-Way Relaying Systems with Hardware Impairments," IEEE Transactions on Vehicular Technology, vol. 68, no. 12, pp. 11792-11805, Dec. 2019.

[J40] X. Wu, M. Lin, H. Kong, Q. Huang, J. Y. Wang, P. K. Upadhyay, “Outage Performance for Multiuser Threshold-Based DF Satellite Relaying,” IEEE Access, vol. 7, no. 1, pp 103142-103152, Dec. 2019.

[J39] V. Bankey and P. K. Upadhyay, “Physical Layer Security of Hybrid Satellite-Terrestrial Relay Networks with Multiple Colluding Eavesdroppers over Non-identically Distributed Nakagami-m Fading Channels,” IET Communications, vol. 13, no. 14, pp. 2115-2123, Aug. 2019.

[J38] D. B. da Costa, G. K. Karagiannidis, O. A. Dobre, P. K. Upadhyay, M. Xia, H. Ding, and R. Schober, “Introduction to the Special Section on Energy-Harvesting Cognitive Radio Networks,” IEEE Transactions on Cognitive Communications and Networking, vol. 5, no. 2, pp. 342-346, June 2019.

[J37] P. S. Bithas, A. G. Kanatas, D. B. da Costa, P. K. Upadhyay, and A. Hatziefremidis, "Novel Results for the Multivariate Ricean Distribution with Non-Identical Parameters," IEEE Transactions on Vehicular Technology, vol. 68, no. 5, pp. 5129-5133, May 2019.

[J36] V. Bankey and P. K. Upadhyay, "Physical Layer Security of Multiuser Multirelay Hybrid Satellite-Terrestrial Relay Networks," IEEE Transactions on Vehicular Technology, vol. 68, no. 3, pp. 2488-2501, Mar. 2019.

[C34] V. Bankey and P. K. Upadhyay, “Average Symbol Error Probability of Interference-Limited Multiuser Hybrid Satellite-Terrestrial Relay Networks with Outdated Channel State Information,” IEEE Region 10 International Conference (TENCON), Kochi, Kerala, India, Oct. 2019.

[C33] S. Solanki, P. K. Upadhyay, D. B. da Costa, H. Ding, and J. M. Moualeu, "Non-Linear Energy Harvesting Based Cooperative Spectrum Sharing Networks," Int. Symp. on Wireless Commun. Syst. (ISWCS), Oulu, Finland, Aug. 2019. (Invited Paper)

[C32] V. Bankey and P. K. Upadhyay, "Ergodic Secrecy Capacity Analysis of Multiuser Hybrid Satellite-Terrestrial Relay Networks with Multiple Eavesdropper," IEEE International Conference on Communications Workshops (ICC Workshops): Wireless Physical Layer Security, May 2019.

[C31]S. K. Tiwari and P. K. Upadhyay, "Estimation and Optimization of Design Parameters in Diffusive Molecular Nanonetworks," Graduate Student Day Workshop, National Conference on Communications (NCC), IISc Bangalore, India, Feb. 2019.

2018

[J35] S. Solanki , P. K. Sharma, and P. K. Upadhyay, "Adaptive Link Utilization in Two-Way Spectrum Sharing Relay Systems Under Average Interference-Constraints," IEEE Systems Journal, vol. 12, no. 4, pp. 3461-3472, Dec. 2018.

[J34] D. S. Gurjar and P. K. Upadhyay, "Overlay Device-to-Device Communications in Asymmetric Two-Way Cellular Systems with Hybrid Relaying," IEEE Systems Journal, vol. 12, no. 4, pp. 3713-3724, Dec. 2018.

[J33] S. K. Tiwari, T. R. T. Reddy, P. K. Upadhyay, and D. B. da Costa,"Joint Optimization of Molecular Resource Allocation and Relay Positioning in Diffusive Nanonetworks," IEEE Access (Special Section on Molecular Communication Networks), vol. 6, pp. 67681-67687, Dec. 2018.

[J32] V. Singh, S. Solanki, and P. K. Upadhyay, "Cognitive Relaying Cooperation in Satellite-Terrestrial Systems With Multiuser Diversity," IEEE Access, vol. 6, pp. 65539-65547, Dec. 2018.

[J31] S. Solanki, P. K. Upadhyay, D. B. da Costa, P. S. Bithas, A. G. Kanatas, and U. S. Dias, "Joint Impact of RF Hardware Impairments and Channel Estimation Errors in Spectrum Sharing Multiple-Relay Networks," IEEE Transactions on Communications, vol. 66, no. 9, pp. 3809-3824, Sept. 2018.

[J30] S. Solanki, P. K. Upadhyay, D. B. da Costa, P. S. Bithas, and A. G. Kanatas, "Performance Analysis of Cognitive Relay Networks with RF Hardware Impairments and CEEs in the Presence of Primary Users' Interference," IEEE Transactions on Cognitive Communications and Networking, vol. 4, no. 2, pp. 406-421, Jun. 2018.

[J29] V. Bankey and P. K. Upadhyay, "Physical Layer Secrecy Performance Analysis of Multi-User Hybrid Satellite-Terrestrial Relay Networks," CSI Transactions on ICT, vol. 6, no. 2, pp. 187-193, Jun. 2018.

[J28] V. Bankey and P. K. Upadhyay, "Ergodic Capacity of Multiuser Hybrid Satellite-Terrestrial Fixed Gain AF Relay Networks with CCI and Outdated CSI," IEEE Transactions on Vehicular Technology, vol. 67, no. 5, pp. 4666-4671, May 2018.

[J27] V. Bankey, P. K. Upadhyay, D. B. da Costa, P. S. Bithas, A. G. Kanatas, and U. S. Dias, "Performance Analysis of Multi-Antenna Multiuser Hybrid Satellite-Terrestrial Relay Systems for Mobile Services Delivery," IEEE Access, vol. 6, pp. 24729-24745, Apr. 2018.

[J26] P. S. Bithas, A. G. Kanatas, D. B. da Costa, P. K. Upadhyay, and U. S. Dias, “On the Double-Generalized Gamma Statistics and Their Application to the Performance Analysis of V2V Communications,” IEEE Transactions on Communications, vol. 66, no. 1, pp. 448-460, Jan. 2018.

[C30] V. Singh and P. K. Upadhyay "Cognitive Hybrid Satellite-Terrestrial Relay Networks with Simultaneous Energy and Information Transmission," IEEE International Conference on Advanced Networks and Telecommunication Systems (ANTS), Indore, India, 16-19 Dec. 2018.

[C29] V. Singh, P. K. Upadhyay, D. B. da Costa, and U. S. Dias "Hybrid Satellite-Terrestrial Spectrum Sharing Systems with RF Energy Harvesting," IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communication (PIMRC), Bologna, Italy, 9-12 Sep. 2018.

[C28] S. K. Tiwari and P. K. Upadhyay, "Estimate-and-Forward Relaying in Molecular Communication Using Brownian Motion with Drift," International Conference on Signal Processing and Communication (SPCOM), IISc Bangalore, India, 16-19 Jul. 2018.

[C27] P. S. Bithas, A. G. Kanatas, D. B. da Costa, and P. K. Upadhyay, "A Low Complexity Communication Technique for Mobile-to-Mobile Communication Systems," 14th International Wireless Communications and Mobile Computing Conference (IWCMC), Limassol, Cyprus, 25-29 Jun. 2018.

[C26] U. Singh, S. Solanki, D. S. Gurjar, P. K. Upadhyay, and D. B. da Costa, "Wireless Power Transfer in Two-Way AF Relaying with Maximal-Ratio Combining under Nakagami-m Fading," 14th International Wireless Communications and Mobile Computing Conference (IWCMC), Limassol, Cyprus, 25-29 Jun. 2018.

[C25] D. S. Gurjar, U. Singh, and P. K. Upadhyay, "Energy Harvesting in Hybrid Two-Way Relaying with Direct Link under Nakagami-m fading," IEEE Wireless Communications and Networking Conference (WCNC), Barcelona, Spain, 15-18 Apr. 2018.

[C24] V. Bankey, P. K. Upadhyay, and D. B. da Costa, "Physical Layer Security of Interference-Limited Land Mobile Satellite Communication Systems," International Conference on Advanced Communication Technologies and Networking (CommNet), Marrakech, Morocco, 2-4 Apr. 2018. (Best Paper Award)

2017

[J25] S. K. Tiwari, T. R. T. Reddy, and P. K. Upadhyay, “Error Performance Optimization using Logarithmic Barrier Function in Molecular Nanonetworks,” IEEE Communications Letters, vol. 21, no. 11, pp. 2408-2411, Nov. 2017.

[J24] Y. R. Ortega, P. K. Upadhyay, D. B. da Costa, P. S. Bithas, A. G. Kanatas, U. S. Dias, and R. T. de Sousa Junior, "Joint Effect of Jamming and Noise on the Secrecy Outage Performance of Wiretap Channels with Feedback Delay and Multiple Antennas," Transactions on Emerging Telecommunications Technologies, vol. 28, no. 11, 10.1002/ett.3191, Nov. 2017.

[J23] P. K. Sharma, P. K. Upadhyay, D. B. da Costa, P. S. Bithas, and A. G. Kanatas, "Performance Analysis of Overlay Spectrum Sharing in Hybrid Satellite-Terrestrial Systems with Secondary Network Selection," IEEE Transactions on Wireless Communications, vol. 16, no. 10, pp. 6586-6601, Oct. 2017.

[J22] D. S. Gurjar, P. K. Upadhyay, D. B. da Costa, and R. T. de Sousa Jr., “Beamforming in Traffic-Aware Two-Way Relay Systems with Channel Estimation Error and Feedback Delay,” IEEE Transactions on Vehicular Technology, vol. 66, no. 10, pp. 8807-8820, Oct. 2017.

[J21] D. S. Gurjar and P. K. Upadhyay, “Overlay Spectrum Sharing for Device-to-Device Communications in Two-Way Cellular Networks with Nodes Mobility,” Transactions on Emerging Telecommunications Technologies, vol. 28, no. 10, 10.1002/ett.3164, Oct 2017.

[J20] S. K. Tiwari and P. K. Upadhyay, "Estimate-and-Forward Relaying in Diffusion-Based Molecular Communication Networks: Performance Evaluation and Threshold Optimization," IEEE Transactions on Molecular, Biological, and Multiscale Communications, vol. 3, no. 3, pp. 183-193, Sept. 2017. (Most popular document with the best ranking of 2 in the month of April 2018)

[J19] A. K. Meshram, D. S. Gurjar, and P. K. Upadhyay, "Joint Impact of Nodes-Mobility and Channel Estimation Error on the Performance of Two-Way Relay Systems," Elsevier Physical Communications, vol. 23, pp. 103-113, June 2017.

[J18] S. Solanki and P. K. Upadhyay, “Performance Analysis of Cognitive Relay Sharing Systems with Bidirectional Primary Transmissions Under Nakagami-m Fading,” IET Communications, vol. 11, no. 8, pp. 1199-1206, June 2017.

[J17] P. K. Sharma and P. K. Upadhyay, “Performance Analysis of Cooperative Spectrum Sharing with Multiuser Two-Way Relaying over Fading Channels,” IEEE Transactions on Vehicular Technology, vol. 66, no. 2, pp. 1324-1333, Feb. 2017.

[C23] S. Solanki, P. K. Sharma, P. K. Upadhyay, D. B. da Costa, P. S. Bithas, and A. G. Kanatas, "Cognitive Multi-Relay Networks with RF Hardware Impairments and Channel Estimation Errors," IEEE Global Communication Conference (GLOBECOM), Singapore, Dec. 2017.

[C22] P. S. Bithas, A. G. Kanatas, D. B. da Costa, P. K. Upadhyay, and U. S. Dias, "The Double-Generalized Gamma Distribution and its Application to V2V Communications," IEEE Global Communication Conference (GLOBECOM), Singapore, Dec. 2017.

[C21] Y. R. Ortega, P. K. Upadhyay, D. B. da Costa, P. S. Bithas, A. G. Kanatas, U. S. Dias, and R. T. de Sousa Junior, "Joint Effect of Jamming and Noise in Wiretap Channels with Multiple Antennas,"13th International Wireless Communications and Mobile Computing Conference (IWCMC), Valencia (Spain), 26-30 June, 2017.

[C20] P. K. Sharma, P. K. Upadhyay, D. B. da Costa, P. S. Bithas, and A. G. Kanatas, “Hybrid Satellite-Terrestrial Spectrum Sharing System with Opportunistic Secondary Network Selection,” IEEE International Conference on Communications (ICC), Paris, France, 21-25 May, 2017.

[C19] P. S. Bithas, A. G. Kanatas, D. B. da Costa, and P. K. Upadhyay, “Transmit Antenna Selection in Vehicle-to-Vehicle Time-Varying Fading Channels,” IEEE International Conference on Communications (ICC), Paris, France, 21-25 May, 2017.

[C18] S. Solanki and P. K. Upadhyay, “Secure Underlay Cognitive Relay Networks in Presence of Primary User’s Interference,” IEEE 85th Vehicular Technology Conference (VTC), Sydney, Australia, 4-7 June, 2017.

[C17] V. Bankey and P. K. Upadhyay, “Secrecy Outage Analysis of Hybrid Satellite-Terrestrial Relay Networks with Opportunistic Relaying Schemes,” IEEE 85th Vehicular Technology Conference (VTC), Sydney, Australia, 4-7 June, 2017.