Communications

Communication research in ECE is spread across a wide variety of topics related to 5G and beyond communications, Wireless networks, Quantum communications, MIMO technologies, Coding theory, Information theory and Machine learning for communications.

Department wide research initiatives

• 5G Testbed 

Research groups

• Code and Signal Design Lab (Prof. P Vijay Kumar)
• Code Design and Analysis Lab (Prof. Navin Kashyap)
• Coding and Modulation lab ( Prof. B Sundar Rajan)
• Information Theory Lab (Prof. Himanshu Tyagi)
• Next Generation Wireless Systems Lab (Prof. Neelesh B. Mehta)
• Signal Processing for Communication Lab (Prof. Chandra R Murthy)
• Signal Processing for Wireless Communications Lab (SPWicom ) (Prof. Sudhan Majhi)
• Statistical Signal Processing Lab (Prof. K.V.S Hari)
• Wireless Research Lab (Prof. A. Chockalingam)

Selected Recent Publications

• A. Chowdhury and C. R. Murthy, On the Sum Spectral Efficiency of Dynamic TDD Enabled Cell-Free Massive MIMO Systems, IEEE Wireless Communications Letters, vol. 12, no. 3, pp. 481-485, Mar. 2023. pdf.
• “Multi-Connectivity for URLLC and Coexistence with eMBB in Time-Varying and Frequency-Selective Fading Channels“, Govindu Saikesava and Neelesh B. Mehta, IEEE Transactions on Wireless Communications, vol. 22, no. 6, pp. 3599-3611, Jun. 2023 pdf
• “Energy-Efficient and Fast Controlled Descent for Over-the-Air Assisted Federated Learning,” Sayantan Adhikary and Neelesh B. Mehta, IEEE Global Communications Conf. (Globecom), Dec. 2023. pdf
• “Power and Discrete Rate Adaptation in Wideband NOMA in Frequency-Selective Channels: A Systematic Approach,” S Sruthy and Neelesh B. Mehta, IEEE International Conf. Communications (ICC), May 2023. pdf
• Coding schemes based on Reed-Muller codes for (d,\\infty)-RLL input-constrained channels, V. Arvind Rameshwar and N. Kashyap, IEEE Trans. Inf. Theory, vol. 69, no. 11, pp. 7003-7024, Nov. 2023. [IEEE Xplore] [arXiv]
• The secure storage capacity of a DNA wiretap channel model, Praneeth Kumar V. and N. Kashyap, IEEE Trans. Inf. Theory, vol. 69, no. 9, pp. 5550-5569, Sept. 2023. [IEEE Xplore] [arXiv]
• An analysis of probabilistic forwarding of coded packets on random geometric graphs, B.R. Vinay Kumar, N. Kashyap and D. Yogeshwaran, Performance Evaluation, vol. 160, 102343, May 2023. [ScienceDirect] [arXiv]
• Kanishak Vaidya and B. Sundar Rajan “Cache-Aided Multi-User Private Information Retrieval using PDAs” IEEE Transactions on Communications,(Accepted for publication-available as early access article)
• Krishnan Namboodiri, Elizabath Peter and B. Sundar Rajan“Extended Placement Delivery Arrays for Multi-Antenna Coded Caching Scheme,”
  IEEE Transactions on Communications,71, No.10, pp. 5647-5660, October 2023..
• Anjana A. Mahesh, Anurag Chhetri and B. Sundar Rajan“Role of Index Codes in Noisy Broadcasting with Side Information and Index Coded QAM for Prioritized Receivers,”
  IEEE Transactions on Communications,71, No. 7, pp. 3889-3904, July 2023.
• Elizabath Peter and B. Sundar Rajan,“Multi-Antenna Coded Caching for Shared Caches with Arbitrary User-to-Cache Association” IEEE Communications Letters,  27, No. 7, pp. 1729-1733, July 2023.
• Kumar, N., Majhi, S. & Upadhyay, A.K. A direct construction of complete complementary code with zero correlation zone property for prime-power length. Cryptogr. Commun. (2023). https://doi.org/10.1007/s12095-023-00676-w pdf
• P. Vijay Kumar, Dileep Dharmappa and Sugandh Mishra: “Interleaved Z4-Linear Sequences With Low Correlation for Global Navigation Satellite Systems”, revised version submitted to IEEE Transactions on Information Theory, (expanded version with three additional derivations), July 4, 2023. pdf
• Kumar, N., Majhi, S. & Jha, S.K. A new construction of almost-optimal multiple ZCZ sequence sets for multi-cell QS-CDMA system. Cryptogr. Commun. (2023). https://doi.org/10.1007/s12095-023-00684-w.pdf