A survey on higher-order QAM constellations: Technical challenges, recent advances, and future trends PK Singya, P Shaik, N Kumar, V Bhatia, MS Alouini
IEEE Open Journal of the Communications Society 2, 617-655, 2021
82 * 2021 Mitigating NLD for wireless networks: Effect of nonlinear power amplifiers on future wireless communication networks PK Singya, N Kumar, V Bhatia
IEEE Microwave Magazine 18 (5), 73-90, 2017
52 2017 On performance of hexagonal, cross, and rectangular QAM for multi-relay systems PK Singya, N Kumar, V Bhatia, MS Alouini
IEEE Access 7, 60602-60616, 2019
49 2019 Performance analysis of amplify-and-forward cooperative networks with best-relay selection over Weibull fading channels N Kumar, V Bhatia
Wireless Personal Communications 85, 641-653, 2015
46 2015 ASER analysis of hexagonal and rectangular QAM schemes in multiple-relay networks N Kumar, PK Singya, V Bhatia
IEEE Transactions on Vehicular Technology 67 (2), 1815-1819, 2017
44 2017 On the performance analysis of higher order QAM schemes over mixed RF/FSO systems PK Singya, N Kumar, V Bhatia, MS Alouini
IEEE Transactions on Vehicular Technology 69 (7), 7366-7378, 2020
43 2020 Impact of imperfect CSI on ASER of hexagonal and rectangular QAM for AF relaying network PK Singya, N Kumar, V Bhatia
IEEE Communications Letters 22 (2), 428-431, 2017
35 2017 Exact ASER Analysis of Rectangular QAM in Two-Way Relaying Networks Over Nakagami- N Kumar, V Bhatia
IEEE Wireless Communications Letters 5 (5), 548-551, 2016
35 2016 Performance analysis of QAM in amplify-and-forward cooperative communication networks over Rayleigh fading channels N Kumar, V Bhatia, D Dixit
AEU-International Journal of Electronics and Communications 72, 86-94, 2017
28 2017 On the ASER performance of UAV-based communication systems for QAM schemes D Dixit, N Kumar, S Sharma, V Bhatia, S Panic, C Stefanovic
IEEE Communications Letters 25 (6), 1835-1838, 2021
20 2021 On impact of imperfect CSI over SWIPT device-to-device (D2D) MIMO relay systems P Shaik, PK Singya, N Kumar, KK Garg, V Bhatia
2020 International Conference on Signal Processing and Communications (SPCOM …, 2020
20 2020 On Second-Order Statistics of the Composite Channel Models for UAV-to-Ground Communications with UAV Selection C Stefanovic, S Panic, V Bhatia, N Kumar
IEEE Open Journal of the Communications Society 2, 534 - 544, 2021
19 2021 Performance analysis of OFDM based 3-hop AF relaying network over mixed Rician/Rayleigh fading channels PK Singya, N Kumar, V Bhatia, FA Khan
AEU-International Journal of Electronics and Communications 93, 337-347, 2018
18 2018 Performance analysis of orthogonal frequency division multiplexing‐based cooperative amplify‐and‐forward networks with non‐linear power amplifier over independently but not … N Kumar, PK Singya, V Bhatia
IET Communications 11 (7), 1008-1020, 2017
17 2017 Performance analysis of OFDM-based nonlinear AF multiple-relay systems N Kumar, S Sharma, V Bhatia
IEEE Wireless Communications Letters 6 (1), 122-125, 2016
15 2016 Performance analysis of AF OFDM system using multiple relay in presence of nonlinear‐PA over inid Nakagami‐m fading PK Singya, N Kumar, V Bhatia
International Journal of Communication Systems 31 (1), 2018
14 2018 Performance analysis of OFDM based AF cooperative systems in selection combining receiver over Nakagami-m fading channels with nonlinear power amplifier N Kumar, V Bhatia
International Journal of Communication Systems 30 (7), 1-17, 2017
14 2017 Outage probability and average channel capacity of amplify-and-forward in conventional cooperative communication networks over rayleigh fading channels N Kumar, V Bhatia
Wireless Personal Communications 88, 943-951, 2016
13 2016 Performance analysis of opportunistic two-way 3P-ANC multi-relay system with imperfect CSI and NLPA PK Singya, N Kumar, V Bhatia
2018 IEEE Global Communications Conference (GLOBECOM), 206-212, 2018
12 2018 Outage analysis of OFDM based AF cooperative systems in selection combining receiver over Nakagami-m fading channels with nonlinear power amplifier N Kumar, V Bhatia
2015 Sensor Signal Processing for Defence (SSPD), 1-5, 2015
11 2015 
Vimal BhatiaIIT IndoreVerified email at iiti.ac.in
