Publications
Journals
Prashant Narayanan and Lakshmi Narasimhan T., Capacity of Peak and Average Power Constrained Additive Generalized Gaussian Noise Channels, IEEE Communications Letters, 2022.
Sandesh R. M., Lakshmi Narasimhan T., and A. Chockalingam, Deep Channel Prediction: A DNN Framework for Receiver Design in Time-Varying Fading Channels, IEEE Transactions on Vehicular Technology, 2022.
Prashant Narayanan, Lakshmi Narasimhan T. and Steve Hranilovic, Power Allocation for Uplink Multi-user Optical Wireless Communication Systems, IEEE Transactions on Communications, 2021.
Sahand Sepehrvand, Lakshmi Narasimhan T. and Steve Hranilovic, Rate-Power Trade-Off in Simultaneous Lightwave Information and Power Transfer Systems, IEEE Communications Letters, 2020.
Prashant Khanduri, Lakshmi Narasimhan T. and Pramod K. Varshney, Online Design of Optimal Precoders for High Dimensional Signal Detection, IEEE Transactions on Signal Processing, 2019.
S. Zhang, Lakshmi Narasimhan T., S. Choi, and Pramod K. Varshney, Fusion of Correlated Decisions Using Regular Vine Copula, IEEE Transactions on Signal Processing, 2019.
Bharath Shamasundar, Manu Krishna, Lakshmi Narasimhan T., and A. Chockalingam, MAP-index Coded Media-based Modulation, IEEE Communications Letters, 2018.
Bharath Shamasundar, Swaroop Jacob, Lakshmi Narasimhan T., and A. Chockalingam, Media-Based Modulation for the Uplink in Massive MIMO Systems, IEEE Transactions on Vehicular Technology, 2018.
Bhavya Khaikura*, Lakshmi Narasimhan T.*, and Pramod K. Varshney, Subspace-aware Index Codes. (*Equal contributions), IEEE Wireless Communications Letters, 2017.
T. Lakshmi Narasimhan and A. Chockalingam, On the Capacity and Performance of Generalized Spatial Modulation, IEEE Communications Letters, 2016.
T. Lakshmi Narasimhan, P. Raviteja and A. Chockalingam, Generalized Spatial Modulation in Large-Scale Multiuser MIMO Systems, IEEE Transactions on Wireless Communications, 2015.
T. Lakshmi Narasimhan and A. Chockalingam, Channel Hardening-Exploiting Message Passing (CHEMP) Receiver in Large-Scale MIMO Systems, IEEE Journal of Selected Topics in Signal Processing, 2014.
T. Lakshmi Narasimhan and A. Chockalingam, EXIT Chart Based Design of Irregular LDPC Codes for Large-MIMO Systems, IEEE Communications Letters, 2013.
Conferences
Mandeep S, Joydip D, Sreeraj S, Viswanathan S, Balaji S, Lakshmi Narasimhan T and Deepa V, Device Dependent Distortion Correction in Time-Stretch Photonic Analog to Digital Converters Using Deep Neural Networks, OFC, March 2024.
Lakshmi Narasimhan T and Steve Hranilovic, Uplink/Downlink Reciprocity in VLC Channels and Its Application to Rate Analysis of SLIPT Systems, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, September 2023.
Jyothsna S and Lakshmi Narasimhan T, Joint Precoder and Phase Optimization for MIMO-IRS With Finite Alphabet Input, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, September 2023.
Prashant N and Lakshmi Narasimhan T, Optimal Power Allocation for Multi-Access Channel with Generalized Power Constraint, RAWNET, WiOpt, August 2023.
Utsav D, Arun R and Lakshmi Narasimhan T, Linearly Constrained and Structured Reinforcement Learning Algorithm for Wireless Link Adaptation, WiOpt, August 2023.
Pradeep R, Rubin J P, Lakshmi Narasimhan T, Arunkumar K P, and Hareesh G, EM based GLRT Detector for MIMO Active Sonar using Bistatic Reverberation Model, OCEANS, June 2023.
Jyothsna S and Lakshmi Narasimhan T, Improving MIMO Secrecy Rate through Efficient Power Allocation, IEEE Vehicular Technology Conference, September 2022.
Vaisakh M and Lakshmi Narasimhan T, Index Code Construction via Deep Matrix Factorization, IEEE Vehicular Technology Conference, Helsinki, April 2021.
Prashant N and Lakshmi Narasimhan T, Invariant Nash Equilibrium for Large Player Games in Multiple Access Channels, RAWNET, WiOpt, Greece, June 2020.
Sandesh R. M., Lakshmi Narasimhan T, and A. Chockalingam, Autoencoder based Robust Transceivers for Fading Channels using Deep Neural Networks, IEEE Vehicular Technology Conference, Antwerp, May 2020.
B. Shamasundar, Lakshmi Narasimhan T., and A. Chockalingam, Capacity Analysis of Time-Indexed Media-based Modulation, IEEE Wireless Communication and Networking Conference, Seoul, April 2020.
Lakshmi Narasimhan T., Constructing Index Codes with Coded Demands and Side Information through Matrix Completion, IEEE GlobalSIP, Ottawa, Canada, November 2019.
Lakshmi Narasimhan T., Multi-Mode Generalized Space-Time Index Modulation: A High-Rate Index Modulation Scheme for MIMO-ISI Channels, IEEE GlobalSIP, Ottawa, Canada, November 2019.
Prashant Khanduri, Lakshmi Narasimhan T. and Pramod K. Varshney, Online Linear Compression with Side Information for Distributed Detection of High Dimensional Signals, IEEE SPAWC, France, July 2019 -- won the best student paper award.
Lamia M. Kalam and Lakshmi Narasimhan T., Multistage Clustering based Automatic Modulation Classification, IEEE Vehicular Technology Conference, Malaysia, April 2019.
Lakshmi Narasimhan T., Sketching Discrete Valued Sparse Matrices, IEEE GlobalSIP, Anaheim, USA, November 2018.
Swaroop Jacob, Lakshmi Narasimhan T., and A. Chockalingam, Dual-Mode Index Modulation Schemes for CPSC-MIMO Systems, IEEE Vehicular Technology Conference, Chicago, August 2018.
Prashant Khanduri, Lakshmi Narasimhan T. and Pramod K. Varshney, Online Design of Precoders for High Dimensional Signal Detection in Wireless Sensor Networks, FUSION - International Conference on Information Fusion, Cambridge UK, July 2018.
Prashant Narayanan, Lakshmi Narasimhan T., The Invariant Nash Equilibrium for Stochastic Games in Multiple Access Channel, RAWNET, WiOpt, Shanghai, May 2018.
Jithin Jagannath, Nicholas Polosky, Daniel O’Connor, Lakshmi Narasimhan T., Brendan Sheaffer, Svetlana Foulke, Pramod K. Varshney, Artificial Neural Network based Automatic Modulation Classification over a Software Defined Radio Testbed, IEEE International Conference on Communications, Kansas, May 2018.
Swaroop Jacob, Lakshmi Narasimhan T., and A. Chockalingam, Message Passing Receivers for Large-scale Multiuser Media-based Modulation, IEEE Personal, Indoor and Mobile Radio Communications, Montreal, October 2017.
Onur Ozdemir, Lakshmi Narasimhan T., M. Aggarwal, Thakshila W. Hewage, and Pramod K. Varshney, An MCMC Approach to Multisensor Linear Modulation Classification, IEEE Wireless Communication and Networking Conference, San Francisco, March 2017.
Swaroop Jacob, T. Lakshmi Narasimhan, and A. Chockalingam, Space-Time Index Modulation, IEEE Wireless Communication and Networking Conference, San Francisco, March 2017.
Jithin Jagannath, Dan O'Connor, Nicholas Polosky, Brendan Sheafer, Lakshmi Narasimhan T., Svetlana Foulke, and Pramod K. Varshney, Design and Evaluation of Hierarchical Hybrid Automatic Modulation Classifier using Software Defined Radios, IEEE Computing and Communication Workshop and Conference, Las Vegas, Jan. 2017.
S. P. Alaka, T. Lakshmi Narasimhan, and A. Chockalingam, Coded Index Modulation for Non-DC-Biased OFDM in Multiple LED Visible Light Communication, IEEE Vehicular Technology Conference, Nanjing, China, May 2016.
R. Tejaswi, T. Lakshmi Narasimhan, and A. Chockalingam, Quad-LED Complex Modulation (QCM) for Visible Light Wireless Communication, IEEE Wireless Communication and Networking Conference Workshop, Doha, April 2016.
Y. Naresh, T. Lakshmi Narasimhan, A. Chockalingam, Capacity Bounds and Performance of Precoder Index Modulation, IEEE Wireless Communication and Networking Conference, Doha, April 2016.
B. Chakrapani, T. Lakshmi Narasimhan, and A. Chockalingam, Generalized Space-Frequency Index Modulation: Low-Complexity Encoding and Detection, IEEE Globecom, San Diego, USA, Dec 2015.
S. P. Alaka, T. Lakshmi Narasimhan, and A. Chockalingam, Generalized Spatial Modulation in Indoor Wireless Visible Light Communication, IEEE Globecom, San Diego, USA, Dec 2015.
T. Lakshmi Narasimhan, Y. Naresh, T. Datta, and A. Chockalingam, Pseudo-random Phase Precoded Spatial Modulation and Precoder Index Modulation, IEEE Globecom, Austin, USA, Dec 2014.
T. Lakshmi Narasimhan, P. Raviteja, and A. Chockalingam, Generalized Spatial Modulation for Large-Scale MIMO Systems: Analysis and Detection, Asilomar Conference on Signals, Systems, and Computers, California, Nov 2014.
T. Lakshmi Narasimhan and A. Chockalingam, CHEMP receiver for large-scale multiuser MIMO systems using spatial modulation, European Signal Processing Conference, Lisbon, Sep 2014.
T. Lakshmi Narasimhan and A. Chockalingam, Detection and Decoding in Large-Scale MIMO Systems: A Non-Binary Belief Propagation Approach, IEEE Vehicular Technology Conference, Seoul, May 2014.
P. Raviteja, T. Lakshmi Narasimhan and A. Chockalingam, Detection in Large-Scale Multiuser SM-MIMO Systems: Algorithms and Performance, IEEE Vehicular Technology Conference, Seoul, May 2014.
T. Lakshmi Narasimhan and A. Chockalingam, Channel Hardening-Exploiting Message Passing (CHEMP) Receiver in Large MIMO Systems, IEEE Wireless Communication and Networking Conference, Istanbul, Apr 2014.
T. Lakshmi Narasimhan, P. Raviteja and A. Chockalingam, Large-Scale Multiuser SM-MIMO Versus Massive MIMO, Information Theory and Applications Workshop, San Diego, Feb 2014.
T. Lakshmi Narasimhan, A. Chockalingam and B. Sundar Rajan, Factor Graph Based Joint Detection/Decoding for LDPC Coded Large-MIMO Systems, IEEE Vehicular Technology Conference, Yokohama, May 2012.