Pilot Contamination Reduction in Multi-User TDD Systems. - Kumar Appaiah; Alexei E. Ashikhmin; Thomas L. Marzetta (ICC, 2010)

Polar alignment for interference networks. - Kumar Appaiah; Onur Ozan Koyluoglu; Sriram Vishwanath (Allerton, 2011)

Analysis of laser and detector placement in MIMO multimode optical fiber systems. - Kumar Appaiah; Sagi Zisman; Sriram Vishwanath; Seth R. Bank (ICC, 2012)

Expansion coding: Achieving the capacity of an AEN channel. - Onur Ozan Koyluoglu; Kumar Appaiah; Hongbo Si; Sriram Vishwanath (ISIT, 2012)

Enhancing data rates in graded-index multimode fibers with offset coupling and multiplexing. - Kumar Appaiah; Rodolfo Salas; Sriram Vishwanath; Seth R. Bank (OFC/NFOEC, 2013)

Vector Intensity-Modulation and Channel State Feedback for Multimode Fiber Optic Links. - Kumar Appaiah; Sriram Vishwanath; Seth R. Bank (IEEE Trans. Commun., 2013)

Analysis of Laser and Detector Placement in Incoherent MIMO Multimode Fiber Systems. - Kumar Appaiah; Sagi Zisman; Abhik Kumar Das; Sriram Vishwanath; Seth R. Bank (JOCN, 2014)

Low Complexity Equalization Using Mode-Subset Selection in MIMO Multimode Fiber Links. - K. S. Sanila; Kumar Appaiah (GLOBECOM, 2015)

Detector and mode subset selection for DSP based multimode fiber links. - Kumar Appaiah (NCC, 2015)

Expansion Coding for Channel and Source Coding. - Hongbo Si; Onur Ozan Koyluoglu; Kumar Appaiah; Sriram Vishwanath (CoRR, 2015)

Quantization and feedback of principal modes for high speed multimode fiber links. - Rajesh Mishra; Jinesh C. Jacob; Kumar Appaiah (ICC, 2016)

Quantization and Feedback of Principal Modes for Dispersion Mitigation and Multiplexing in Multimode Fibers. - Jinesh C. Jacob; Rajesh Mishra; Kumar Appaiah (IEEE Trans. Commun., 2016)

Multiplexing using principal modes in spliced MMFs with mode dependent losses. - Jinesh C. Jacob; Kumar Appaiah (NCC, 2017)

Keyboard Side Channel Attacks on Smartphones Using Sensor Fusion. - Nithin Murali; Kumar Appaiah (GLOBECOM, 2018)

Non-orthogonal Transmultiplexers for FBMC with Controlled ISI. - R. Arjun 002; Ashish Sukhwani; Kumar Appaiah; Vikram M. Gadre (SPCOM, 2018)

Kalman Filter based Tracking for Channel Aging in Massive MIMO Systems. - Vikas Arya; Kumar Appaiah (SPCOM, 2018)

Limited Feedback and Interpolation of Principal Modes in Spatially Multiplexed WDM Fiber Links. - Jinesh C. Jacob; Kumar Appaiah (SPCOM, 2018)

Utility of delayed CSI feedback in Mode Division Multiplexed Multimode Fiber Links. - Rohan Prasad; Kumar Appaiah (SPCOM, 2018)

Predictive Quantization and Joint Time-Frequency Interpolation Technique for MIMO-OFDM Precoding. - Agrim Gupta; Kumar Appaiah; Rahul Vaze (ICC, 2019)

Kalman Filter Based Channel Tracking for Precoded GFDM Systems. - Pratik Agrawal; Kumar Appaiah (TENCON, 2019)

On Efficient Wireless Backhaul Planning for the "Frugal 5G" Network. - Meghna Khaturia; Kumar Appaiah; Abhay Karandikar (WCNC Workshops, 2019)

Indoor Distance Estimation using LSTMs over WLAN Network. - Pranav Sankhe; Saqib Azim; Sachin Goyal; Tanya Choudhary; Kumar Appaiah; Sukumar Srikant (WPNC, 2019)

Mode Multiplexing Using Principal Modes in Few-Mode Fiber Links With Delayed Feedback. - Jinesh C. Jacob; Kumar Appaiah (IEEE Commun. Lett., 2019)

A Game Theoretic Model for Deadline Constrained Packet Scheduling with an Energy Harvesting Jammer. - Haseen Rahman; Ankith Vinayachandran; Sibi Raj B. Pillai; Kumar Appaiah; Rahul Vaze (ICNC, 2020)

Low complexity FBMC with Filtered OFDM for 5G wireless systems. - Shyamal Dhua; Arjun Rajan; Kumar Appaiah; Vikram M. Gadre (SPCOM, 2020)

Mode Subset Selection and Feedback for Low Complexity Equalization in DWDM MMF Links. - Anju Radhakrishnan; Kumar Appaiah (IEEE Commun. Lett., 2020)

All-Pass Filter Design Using Blaschke Interpolation. - Kumar Appaiah; Debasattam Pal (IEEE Signal Process. Lett., 2020)

Scalar Feedback-Based Joint Time-Frequency Precoder Interpolation for MIMO-OFDM Systems. - Mohit Madan; Agrim Gupta; Kumar Appaiah (IEEE Wirel. Commun. Lett., 2020)

GSEIM: A General-purpose Simulator with Explicit and Implicit Methods. - Mahesh B. Patil; Ruchita D. Korgaonkar; Kumar Appaiah (CoRR, 2021)

Low complexity FBMC for wireless MIMO systems. - R. Arjun 002; Harshal Shah; Shyamal Dhua; Murali Krishna P.; Kumar Appaiah; Vikram M. Gadre (Phys. Commun., 2021)

Flag Manifold-Based Precoder Interpolation Techniques for MIMO-OFDM Systems. - Sarthak Nijhawan; Agrim Gupta; Kumar Appaiah; Rahul Vaze; Nikhil Karamchandani (IEEE Trans. Commun., 2021)

Deadline Constrained Packet Scheduling in the Presence of an Energy Harvesting Jammer. - Haseen Rahman; Ankith Vinayachandran; Sibi Raj B. Pillai; Kumar Appaiah; Rahul Vaze; Navin Kashyap (IEEE Trans. Green Commun. Netw., 2021)

A Post-Coder Feedback Approach to Overcome Training Asymmetry in MIMO-TDD. - Arun Kumar Miryala; Irina Merin Baby; Kumar Appaiah; Sibi Raj B. Pillai (IEEE Trans. Veh. Technol., 2021)

Feedback based Compensation of Second Order Modal Dispersion in Principal Mode based Multiplexed MMF Links. - Komal Ojha; Kumar Appaiah (NCC, 2022)

Multiplexed Principal Modes in Few-Mode Fiber Links With Limited Delayed Feedback. - Anju Radhakrishnan; Kumar Appaiah (NCC, 2022)

Biquad filter based equalization for PMMA SI-POF links. - Raju D. Kamble; Kumar Appaiah (SPCOM, 2022)

An open-source simulation package for power electronics education. - Mahesh B. Patil; V. V. S. Pavan Kumar Hari; Ruchita D. Korgaonkar; Kumar Appaiah (CoRR, 2022)

On the Sum Capacity Achieving Precoders and Their CSI Requirements for MIMO-BC. - Anil Kumar; Kumar Appaiah; Sibi Raj B. Pillai (IEEE Commun. Lett., 2022)

Optimal Channel Tracking and Power Allocation for Time Varying FDD Massive MIMO Systems. - Irina Merin Baby; Kumar Appaiah; Ribhu Chopra (IEEE Trans. Commun., 2022)

Direction-of-Arrival Estimation using Location Unaware Linear Array. - Parth Mehta 004; Kumar Appaiah; Rajbabu Velmurugan (ACSSC, 2023)

On the Ergodic Sum Capacity of Multi-User MIMO with Distributed Transmitter. - Anil Kumar; Kumar Appaiah; Sibi Raj B. Pillai (ICC, 2023)

Robust Direction-of-Arrival Estimation Using Array Feedback Beamforming in Low SNR Scenarios. - Parth Mehta 004; Kumar Appaiah; Rajbabu Velmurugan (IEEE Access, 2023)

How much Training is Needed in Downlink Cell-Free mMIMO under LoS/NLoS channels? - Sai Manikanta Rishi Rani; Ribhu Chopra; Kumar Appaiah (CoRR, 2023)

Rationalized Timetabling Using a Simulation Tool: A Paradigm Shift in Indian Railways. - K. P. Anoop; A. Madhukumar Reddy; Mandeep Singh Bhatia; Amit Kumar Jain; Raja Gopalakrishnan; Merajus Salekin; Samay Pritam Singh; R. V. Satwik; Sudarshan Pulapadi; Chandrashekhar Bobade; I. Sidhartha Kumar; Shivasubramanian Gopalakrishnan; et al. (INFORMS J. Appl. Anal., 2023)

Design of discrete-time matrix all-pass filters using subspace Nevanlinna pick interpolation. - Agulla Surya Bharath; Devanshu Singh Gaharwar; Kumar Appaiah; Debasattam Pal (Signal Process., 2023)

All-Pass Filter Design Using Unimodular Interpolation. - Parth Mehta 004; Kumar Appaiah; Rajbabu Velmurugan; Debasattam Pal (IEEE Signal Process. Lett., 2023)

Efficient Parameterized Precoder Tracking in Slowly Time-Varying MIMO Channels. - Naresh Kolla; Kumar Appaiah; Ribhu Chopra (IEEE Commun. Lett., 2023)

Matrix Unimodular Precoder Interpolation for MIMO-OFDM Wireless Communication Systems. - Parth Mehta 004; Kumar Appaiah; Rajbabu Velmurugan; Debasattam Pal (IEEE Commun. Lett., 2023)

Statistical beamforming for cell free massive MIMO under mixed LoS/ NLoS channels. - Sai Manikanta Rishi Rani; Ribhu Chopra; Kumar Appaiah (Phys. Commun., 2024)

Adaptive Data-Aided Time-Varying Channel Tracking for Massive MIMO Systems. - Ribhu Chopra; Chandra R. Murthy; Kumar Appaiah (IEEE Trans. Commun., 2024)

Lattice All-Pass Filter Based Precoder Adaptation for MIMO Wireless Channels. - Parth Mehta 004; Agulla Surya Bharath; Kumar Appaiah; Rajbabu Velmurugan; Debasattam Pal (IEEE Trans. Veh. Technol., 2024)

Low-Rate Modulo Folded ADC for Detecting Linearly Modulated Communication Symbols. - Satish Mulleti; Kumar Appaiah; Sibi Raj B. Pillai (ICASSP, 2025)

Ergodic Capacity Achieving Policies for Cell-free MIMO with Asymmetric Access Points. - Anil Kumar; Sibi Raj B. Pillai; Kumar Appaiah (NCC, 2025)

Nested Grassmannian Codebooks for Quantizing MIMO Precoders on the Flag Manifold. - Naresh Kolla; Parth Mehta 004; Kumar Appaiah; Debasattam Pal (IEEE Commun. Lett., 2025)