Electronics and Electrical Communication Engg.

• Senior Member, IEEE
• Full Scholarship for PhD study
• NTS Scholarship
• JBNSTS Scholarship
• Ed Board IETE TecRev IETE JRes

Journal
• Performance Analysis of Feedback-Based Network-Coded Systems for Broadcast Giri S., Roy R. By IEEE Transactions on Vehicular Technology 70 2544-2560 (2021)
• A state based resource allocation game for distributed optimization in 5g small-cell networks Mawatwal K., Roy R., Sen D. By IEEE Transactions on Vehicular Technology 70 12072-12087 (2021)
• A Survey on Energy Efficient Cellular Mobile Communication Karmakar P., Rajakumar R.V., Roy R. By Wireless Personal Communications 120 1475-1500 (2021)
• Feedback-Based Network Coding for Broadcast: Queueing Analysis Giri S., Roy R. By IEEE Communications Letters 25 3229-3233 (2021)
• Deadline-Aware Scheduling for Maximizing Information Freshness in Industrial Cyber-Physical System Sinha D., Roy R. By IEEE Sensors Journal 21 381-393 (2021)
• Optimal scheduling for maximizing information freshness and system performance in industrial cyber physical systems Sinha D., Roy R. By Computer Communications 169 33-47 (2021)
• Performance analysis of a SAGE-Based semi-blind channel estimator for pilot contaminated MU Massive MIMO Systems Mawatwal K., Sen D., Roy R. By IEEE Access 8 46682-46700 (2020)
• Reviewing Cyber-Physical System as a Part of Smart Factory in Industry 4.0 Sinha D., Roy R. By IEEE Engineering Management Review 48 103-117 (2020)
• Scheduling Status Update for Optimizing Age of Information in the context of Industrial Cyber-physical Systems Sinha D., Roy R. By IEEE Access 7 95677-95695 (2019)
• On NACK-Based rDWS Algorithm for Network Coded Broadcast Giri S., Roy R. By Entropy 21 905-938 (2019)
• Reliability benefit of network coding and cooperative communication Roy A., Roy R. By Physical Communication 29 217-229 (2018)
• A Semi-Blind Channel Estimation Algorithm for Massive MIMO Systems Mawatwal K., Sen D. , Roy R. By IEEE Wireless Commun. Letters 6(1) 70-73 (2017)
• Optimal wireless sensor network information coverage using Particle Swarm Optimization method Rout M., Roy R. By International Journal of Electronics Letters 5 491-499 (2017)
• Joint Antenna and Relay Selection Strategies for Decode-and-Forward Relay Networks Swaminathan R., Karagiannidis G. K., Roy R. By IEEE Trans. on Vehicular Technology 65 9041-9056 (2016)
• Dynamic deployment of randomly deployed mobile sensor nodes in the presence of obstacles Rout M., Roy R. By Ad Hoc Networks 46 12-22 (2016)
• HSSEC strategy for decode-and-forward-relaying systems over Nakagami-m fading channels. Swaminathan R., Roy R. By IET Communications 10 2621-2635 (2016)
• Self-Deployment of Mobile Sensors to Achieve Target Coverage in the Presence of Obstacles Rout M., Roy R. By IEEE Sensors Journal 16 5837-5842 (2016)
• Performance Comparison of Selection Combining With Full CSI and Switch-and-Examine Combining With and Without Post-Selection Swaminathan R., Roy R. , Selvaraj M. D. By IEEE Trans. Vehicular Technology 65 3217-3230 (2016)
• Self-Deployment of Randomly Scattered Mobile Sensors to Achieve Barrier Coverage Rout M., Roy R. By IEEE Sensors Journal 16 6829-6830 (2016)
• Parallel Glauber dynamics-based scheduling in static wireless grid networks with polynomially fading interference Kataria P., Roy R. By IET Electronics Letters 51 1948-1950 (2015)
• On the Error and Outage Performance of Decode-and-Forward Cooperative Selection Diversity System With Correlated Links Swaminathan R., Selvaraj M. D., Roy R. By IEEE Trans. Vehicular Technology 64 3578-3593 (2015)
• Exact Error Analysis of MPAM Signaling for a Cooperative Diversity System with Correlated Links Using Paired Error Approach Swaminathan R., Selvaraj M. D., Roy R. By IEEE Communication Letter 18 273-276 (2014)
• Network Coding-aware Lifetime Maximal routing in Multi-hop Static Wireless Ad-hoc Networks Salim R., Roy R. By JOURNAL OF COMMUNICATIONS SOFTWARE AND SYSTEMS 10 1-13 (2014)
• Performance Analysis of Relay-Assisted Cooperative Systems in Correlated Fading Channels Datta S. N., Gangopadhyay R. , Chakrabarti S. , Roy R. By Wireless Personal Communications 78 1441-1454 (2014)
• An evolutionary programming algorithm for survivable routing and wavelength assignment in transparent optical networks. Urmila Bhanja, Sudipta Mahapatra, Rajarshi Roy: By Information Science Vol. 222, Elsevier 634-647 (2013)
• FWM aware Evolutionary Programming Algorithm for Transparent Optical Networks Bhanja U., Mahapatra S. , Roy R. By Photonic Network Communication 23 285-299 (2012)
• Comprehensive Error Analysis of Multi-Antenna Decode-and-Forward Relay in Fading Channels Datta S. N., Chakrabarti S. , Roy R. By IEEE Communications Letters 16 47-49 (2012)
• A comprehensive error performance analysis of distributed selection combining with multi- antenna amplify-and-forward relay over Nakagami-m fading channels Datta S., Chakrabarti S. , Roy R. By IET Electronics Letter 46 1523-1525 (2010)
• Efficient Routing in Ad Hoc Network using Multiple Disjoint Energy Aware Minimum Connected Dominating Sets Acharya T., Roy R. By Foundations of Computing and Decision Sciences 35 145-170 (2010)
• ARQ-based switched antenna diversity in Markov channels Chakraborty S. S., Roy R. , De S. By IET Electronics Letters, 44 1475-1476 (2008)
• Bottom-Up Construction of Bluetooth Topology under a Traffic-Aware Scheduling Scheme. Roy R., Kumar M. , Sharma N. K., Sural S. By IEEE Trans. Mob. Comput. 6 72-86 (2007)
• Efficient buffer sharing in shared memory ATM systems with space priority traffic. Roy R., Panwar S. S. By IEEE Communications Letters 6 162-164 (2002)
Conferences
• HLF-D*: An Approximate Greedy Policy for Age-based Information Freshness of Real-time Updates Sinha D., Roy R. By IEEE International Conference on Communications - (2021)
• Packet dropping and decoding statistics for linear network coded broadcast with feedback Giri S., Roy R. By Proceedings of the 43rd Annual IEEE Conference on Local Computer Networks, LCN Workshops 2018 70-77 (2019)
• An Iterative SAGE Based Semi-Blind Channel Estimation for Massive MIMO Mawatwal K., Sen D. , Roy R. By IEEE GLOBECOM 16, December 04-08, Washington DC, USA, 1-6 (2016)
• Performance analysis of triple correlated selection combining for cooperative diversity systems Swaminathan R., Roy R. , Selvaraj M. D. By ICC, 2013 5483-5488 (2013)
• Maximum Lifetime Routing in Wireless Sensor networks minimizing various chemical limitations of the sensor battery Roy R., Padmanabh K. By CCNC 525-529 (2007)
• Analysis of TCP congestion control using a fluid model. Roy R., Mudumbai R. C., Panwar S. S. By ICC, 2001 2396-2403 (2001)
Book Chapter/Section
• Nature-Inspired-Algorithms-Based Cellular Location Management: Scope and Applications Swayamsiddha S., Singhal C. , Roy R. By Handbook of Research on Modeling, Analysis, and Application of Nature-Inspired MetaheuristicAlgorithms 346-362 (2017)
• Studies in Virtual Communities, Blogs, and Modern Social Networking: Measurements, Analysis, and Investigations (Journal version appeared in International Journal of Virtual Communities and Social Networking) Purnendu Karmakar and Rajarshi Roy By Chapter 6: Evolution of Trust and Formation of Preference Clusters in Distributed Networked Structure 62-96 (2013)
• Multicommodity Flow Based Maximum Lifetime Routing in Wireless Sensor Network Kumar Padmanabh, Rajarshi Roy By IEEE ICPADS 187-194 (2006)

Principal Investigator

• Energy efficient routing

Co-Principal Investigator

• ENERGY EFFICIENT RADIO FOR NEXT GENERATION CELLULAR