Ajit Kumar Chaturvedi

65 papers B 9Misc 1Journal 48Unranked 7
YearRankTypeTitle / Venue / Authors
2026 J jnl
Reduced RF Chains Using Fixed Phase Shifters for Over-the-Air Computation.
IEEE Wirel. Commun. Lett.
Aravind Seshadri, Ajit Kumar Chaturvedi
2025 — conf
Application of Friis Transmission Equation for the Power Delay Profile in Gaussian Scattering.
NCC
Kailash Kumar, Govind Sharma, Ajit Kumar Chaturvedi
2024 J jnl
A Novel Prior-Based Channel Estimation and Activity Detection in Cell-Free mMTC Systems.
IEEE Trans. Signal Process.
Anupama Rajoriya, Nakul Singh, Rohit Budhiraja, Ajit Kumar Chaturvedi
2024 J jnl
Superimposed Versus Regular Pilots for Hardware Impaired Rician-Faded Cell-Free Massive MIMO Systems.
IEEE Trans. Commun.
H. Haritha, Dheeraj Naidu Amudala, Rohit Budhiraja, Ajit Kumar Chaturvedi
2021 J jnl
Joint User and Antenna Selection in Massive-MIMO Systems With QoS-Constraints.
IEEE Syst. J.
Javed Akhtar, Ketan Rajawat, Vipul Gupta, Ajit Kumar Chaturvedi
2020 J jnl
Optimization For Energy-Efficient OFDM Amplify and Forward Non-Concurrent Two-Way Relaying.
IEEE Commun. Lett.
Pandava Sudharshan Babu, Rohit Budhiraja, Ajit Kumar Chaturvedi
2019 — conf
Generalized Block-Based Spatial Modulation and Space Shift Keying.
SPAWC
Shyam Gadhai, Abhay Kumar Sah, Rohit Budhiraja, Ajit Kumar Chaturvedi
2018 J jnl
Bit-Level Reduced Neighborhood Search for Low-Complexity Detection in Large MIMO Systems.
IEEE Wirel. Commun. Lett.
Pushpender Mann, Abhay Kumar Sah, Rohit Budhiraja, Ajit Kumar Chaturvedi
2018 J jnl
Joint Power Allocation for OFDM-Based Non-Concurrent Two-Way AF Relaying.
IEEE Commun. Lett.
Pandava Sudharshan Babu, Rohit Budhiraja, Ajit Kumar Chaturvedi
2018 J jnl
New Block-Based Spatial Modulation.
IEEE Commun. Lett.
Shyam Gadhai, Abhay Kumar Sah, Abhishek Kumar Singh, Rohit Budhiraja, Ajit Kumar Chaturvedi
2018 J jnl
Sequential and Global Likelihood Ascent Search-Based Detection in Large MIMO Systems.
IEEE Trans. Commun.
Abhay Kumar Sah, Ajit Kumar Chaturvedi
2018 J jnl
Statistically robust transceiver design algorithms for relay aided multiple-input multiple-output interference systems.
IET Signal Process.
Vindheshwari P. Singh, Ajit Kumar Chaturvedi
2017 J jnl
A Common Transceiver Design for Nonregenerative Asymmetric and Symmetric Two-Way Relaying With Relaxed Antenna Constraints.
IEEE Trans. Veh. Technol.
Rohit Budhiraja, Ajit Kumar Chaturvedi
2017 J jnl
An MMP-Based Approach for Detection in Large MIMO Systems Using Sphere Decoding.
IEEE Wirel. Commun. Lett.
Abhay Kumar Sah, Ajit Kumar Chaturvedi
2017 J jnl
An Unconstrained Likelihood Ascent Based Detection Algorithm for Large MIMO Systems.
IEEE Trans. Wirel. Commun.
Abhay Kumar Sah, Ajit Kumar Chaturvedi
2017 J jnl
Improved Rate-Energy Tradeoff for Energy Harvesting Interference Alignment Networks.
IEEE Wirel. Commun. Lett.
Rishabh Gupta, Ajit Kumar Chaturvedi, Rohit Budhiraja
2017 J jnl
Likelihood-Based Tree Search for Low Complexity Detection in Large MIMO Systems.
IEEE Wirel. Commun. Lett.
Saksham Agarwal, Abhay Kumar Sah, Ajit Kumar Chaturvedi
2017 J jnl
Max-min fairness based linear transceiver-relay design for MIMO interference relay channel.
IET Commun.
Vindheshwari P. Singh, Ajit Kumar Chaturvedi
2017 J jnl
Quasi-Orthogonal Combining for Reducing RF Chains in Massive MIMO Systems.
IEEE Wirel. Commun. Lett.
Abhay Kumar Sah, Ajit Kumar Chaturvedi
2017 J jnl
Stopping Rule-Based Iterative Tree Search for Low-Complexity Detection in MIMO Systems.
IEEE Trans. Wirel. Commun.
Abhay Kumar Sah, Ajit Kumar Chaturvedi
2016 J jnl
A New Family of Time-Limited Nyquist Pulses for OFDM Systems.
IEEE Commun. Lett.
Mohd Sharique, Ajit Kumar Chaturvedi
2016 — conf
Beyond fixed neighborhood search in the likelihood ascent algorithm for MIMO systems.
ICC
Abhay Kumar Sah, Ajit Kumar Chaturvedi
2016 — conf
Improved Sparsity Behaviour and Error Localization in Detectors for Large MIMO Systems.
GLOBECOM Workshops
Abhishek, Abhay Kumar Sah, Ajit Kumar Chaturvedi
2016 Misc conf
Improving the reliability of receivers for 5G networks.
COMSNETS
Abhay Kumar Sah, Ajit Kumar Chaturvedi
2016 — conf
Iterative matrix inversion based low complexity detection in large/massive MIMO systems.
ICC Workshops
Vipul Gupta, Abhay Kumar Sah, Ajit Kumar Chaturvedi
2016 J jnl
Optimal Precoding in Conjunction with Windowing for Reduction in OOB Power of OFDM Based CR Systems.
Wirel. Pers. Commun.
Mohd Sharique, Ajit Kumar Chaturvedi
2015 J jnl
Approximate Matrix Inversion Based Low Complexity Sphere Decoding in MIMO Systems.
CoRR
Vipul Gupta, Abhay Kumar Sah, Ajit Kumar Chaturvedi
2015 J jnl
Min-max mean squared error-based linear transceiver design for multiple-input-multiple-output interference relay channel.
IET Commun.
Vindheshwari P. Singh, Ajit Kumar Chaturvedi
2015 B conf
Reduced Neighborhood Search Algorithms for Low Complexity Detection in MIMO Systems.
GLOBECOM
Abhay Kumar Sah, Ajit Kumar Chaturvedi
2015 J jnl
Transmitter Pulse Shaping to Reduce OOB Power and ICI in OFDM Systems.
Wirel. Pers. Commun.
Mohd Sharique, Ajit Kumar Chaturvedi
2014 J jnl
User Selection in MIMO Interfering Broadcast Channels.
IEEE Trans. Commun.
Gaurav Gupta, Ajit Kumar Chaturvedi
2013 J jnl
Conditional Entropy Based User Selection for Multiuser MIMO Systems.
IEEE Commun. Lett.
Gaurav Gupta, Ajit Kumar Chaturvedi
2013 J jnl
Conditional Entropy based User Selection for Multiuser MIMO Systems.
CoRR
Gaurav Gupta, Ajit Kumar Chaturvedi
2013 J jnl
User Selection in MIMO Interfering Broadcast Channels.
CoRR
Gaurav Gupta, Ajit Kumar Chaturvedi
2012 B conf
A family of power allocation schemes achieving high Secondary User rates in spectrum sharing OFDM cognitive radio.
GLOBECOM
Mainak Chowdhury, Anubhav Singla, Ajit Kumar Chaturvedi
2012 B conf
Fractional timing offset and channel estimation for MIMO OFDM systems over flat fading channels.
WCNC
R. Uma Mahesh, Ajit Kumar Chaturvedi
2011 J jnl
Multi-tone CDMA design for arbitrary frequency offsets using orthogonal code multiplexing at the transmitter and a tunable receiver.
IET Commun.
Girish Manglani, Ajit Kumar Chaturvedi
2010 J jnl
Closed Form BER Expressions for BPSK OFDM Systems with Frequency Offset.
IEEE Commun. Lett.
R. Uma Mahesh, Ajit Kumar Chaturvedi
2010 J jnl
Near optimal training sequences for low complexity symbol timing estimation in MIMO systems.
IEEE Trans. Commun.
Ketan Rajawat, Ajit Kumar Chaturvedi
2008 J jnl
ABER of Dual Predetection EGC in Correlated Nakagami-m Fading Channels with Arbitrary m.
IEEE Commun. Lett.
Prabhat Patel, P. R. Sahu, Ajit Kumar Chaturvedi
2008 J jnl
Complete Mutually Orthogonal Golay Complementary Sets From Reed-Muller Codes.
IEEE Trans. Inf. Theory
Rathinakumar Appuswamy, Ajit Kumar Chaturvedi
2007 B conf
A Weighted Combining Approach to Multiuser Detection in Macrodiversity.
WCNC
Vineet Abhishek, Ajit Kumar Chaturvedi
2007 J jnl
Evaluation of error probabilities in the presence of timing errors and fading.
IEEE Trans. Wirel. Commun.
P. Sandeep, Saurabh Chandan, Ajit Kumar Chaturvedi
2007 B conf
Impact of Noise Imbalance on the Performance of Predetection Dual-EGC Receivers Over Rayleigh Fading Channels.
GLOBECOM
Prabhat Patel, Ajit Kumar Chaturvedi
2007 J jnl
Multicarrier On-Off Keying for Fast Frequency Hopping Multiple Access Systems in Rayleigh Fading Channels.
IEEE Trans. Wirel. Commun.
Shrutivandana Sharma, Gaurav Yadav, Ajit Kumar Chaturvedi
2007 — conf
Non-Data Aided Symbol Timing Estimation in MIMO Systems.
ICC
Ketan Rajawat, Ajit Kumar Chaturvedi
2007 J jnl
Upper Bounds on the Rate of LDPC Codes for a Class of Finite-State Markov Channels.
IEEE Trans. Inf. Theory
Pulkit Grover, Ajit Kumar Chaturvedi
2006 J jnl
A New Framework for Constructing Mutually Orthogonal Complementary Sets and ZCZ Sequences.
IEEE Trans. Inf. Theory
Rathinakumar Appuswamy, Ajit Kumar Chaturvedi
2006 — conf
A Subspace Based Approach to Pulse Design with Application to UWB Communications.
ICC
Saurabh Chandan, Ponnuru Sandeep, Ajit Kumar Chaturvedi
2006 J jnl
A hybrid time divisioning scheme for power allocation in DMT-based DSL systems.
IEEE Commun. Lett.
Akshay Garg, Ajit Kumar Chaturvedi
2006 J jnl
A low complexity symbol timing estimator for MIMO systems using two samples per symbol.
IEEE Commun. Lett.
Ketan Rajawat, Ajit Kumar Chaturvedi
2006 J jnl
A novel method for down-conversion of multiple bandpass signals.
IEEE Trans. Wirel. Commun.
Aditya Mahajan, Manu Agarwal, Ajit Kumar Chaturvedi
2006 J jnl
Application of computational geometry to multiuser detection in CDMA.
IEEE Trans. Commun.
Girish Manglani, Ajit Kumar Chaturvedi
2006 J jnl
Construction of turbo code interleaves from 3-regular Hamiltonian graphs.
IEEE Commun. Lett.
Arya Mazumdar, Ajit Kumar Chaturvedi, Adrish Banerjee
2006 J jnl
Performance analysis of a predetection EGC receiver in exponentially correlated nakagami-m fading channels for noncoherent binary modulations.
IEEE Trans. Wirel. Commun.
P. R. Sahu, Ajit Kumar Chaturvedi
2005 J jnl
A family of ISI-free polynomial pulses.
IEEE Commun. Lett.
Saurabh Chandan, P. Sandeep, Ajit Kumar Chaturvedi
2005 J jnl
Construction of Turbo Code Interleavers from 3-Regular Hamiltonian Graphs
CoRR
Arya Mazumdar, Ajit Kumar Chaturvedi, Adrish Banerjee
2005 J jnl
ISI-free pulses with reduced sensitivity to timing errors.
IEEE Commun. Lett.
P. Sandeep, Saurabh Chandan, Ajit Kumar Chaturvedi
2005 J jnl
On the Spread of Random Interleaver
CoRR
Arya Mazumdar, Adrish Banerjee, Ajit Kumar Chaturvedi
2005 B conf
On the spread of random interleavers.
ISIT
Arya Mazumdar, Adrish Banerjee, Ajit Kumar Chaturvedi
2005 J jnl
Optimal bandwidth allocation to coding and spreading in DS-CDMA systems using LMMSE front-end detector.
IEEE Trans. Wirel. Commun.
Manish Agarwal, Kunal Datta, Ajit Kumar Chaturvedi
2005 J jnl
Performance Analysis of Predetection EGC in Exponentially Correlated Nakagami-m Fading Channel.
IEEE Trans. Commun.
P. R. Sahu, Ajit Kumar Chaturvedi
2004 B conf
Geolocation using transmit and receive diversity.
GLOBECOM
Pulkit Grover, Rajiv Agarwal, Ajit Kumar Chaturvedi
2004 B conf
Upper bounds on the rate of LDPC codes for Gilbert-Elliott channels.
ITW
Pulkit Grover, Ajit Kumar Chaturvedi
2003 B conf
A code allocation protocol for maximizing throughput in CDMA based ad hoc networks.
WCNC
Saurabh Srivastava, Sachee Tripathi, Dheeraj Sanghi, Ajit Kumar Chaturvedi