My research interests lie broadly in information theory and communication systems, with a particular focus on the fundamental limits of communication, security, and privacy in multi-user networks. My research spans wireless and optical communications and distributed communication systems. More broadly, I am interested in developing information-theoretic foundations for next-generation communication, sensing, and learning systems.
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Multiple Access Channel Simulation by Kurri G., Ramachandran V. , Pillai S. , Prabhakaran V. IEEE Transactions on Information Theory 68 7575-7603 (2022)
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Multi-terminal Strong Coordination over Noisy Channels with Encoder Cooperation by Ramachandran V., Oechtering T. , Skoglund M. 2025 IEEE International Symposium on Information Theory - (2025)
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Joint State Estimation and Communication over a State Dependent Gaussian Multiple Access Channel by Ramachandran V., Pillai S. , Prabhakaran V. IEEE Transactions on Communications 67 6743-6752 (2019)
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Capacity Region Bounds for Optical WDM Channels based on First-Order Regular Perturbation by Ramachandran V., Liga G. , Barreiro A. , Alvarado A. IEEE/OSA Journal of Lightwave Technology 41 31-40 (2023)
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Capacity Bounds for Nonlinear Optical Interference Channels With Average Power Constraints by Ramachandran V. IEEE Transactions on Communications - (Accepted/In-Press)
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Joint Communication and State Estimation over a State-Dependent Fading Gaussian Channel by Ramachandran V. IEEE Wireless Communications Letters 11 367-370 (2022)
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Multi-terminal Strong Coordination Subject to Secrecy Constraints by Ramachandran V., Oechtering T. , Skoglund M. - (2025)
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State-Dependent Broadcast Channels with Reversible Input Constraints by Ramachandran V. IEEE Journal of Communications and Networks 26 158-165 (2024)
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Lossy State Communication over Fading Multiple Access Channels by Ramachandran V. Entropy 25 1-22 (2023)
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Strong Coordination with Causal Encoding and Noncausal Decoding by Ramachandran V., Oechtering T. , Skoglund M. 2026 IEEE International Symposium on Information Theory - (2026)
Principal Investigator
- Information-Theoretic Limits of Nonlinear WDM Fiber Networks Anusandhan National Research Foundation (ANRF)
Ph. D. Students
Swagata Paul
Area of Research: Communications and Information Theory
