A survey on higher-order QAM constellations: Technical challenges, recent advances, and future trends

PK Singya, P Shaik, N Kumar, V Bhatia… - IEEE Open Journal of …, 2021 - ieeexplore.ieee.org
Communication system's performance is sensitive to bandwidth, power, cost etc. There have
been various solutions to improve the performance, out of them, one of the fundamental …

On performance of hexagonal, cross, and rectangular QAM for multi-relay systems

PK Singya, N Kumar, V Bhatia, MS Alouini - IEEE Access, 2019 - ieeexplore.ieee.org
Error performance is considered as one of the most important performance measures, and
deriving the closed-form expressions for efficient modulation techniques over generalized …

On the performance of energy harvesting‐assisted Nth best relay cooperative networks in Nakagami‐m fading

RK Singh, N Kumar, D Dixit - International Journal of …, 2023 - Wiley Online Library
We study the energy harvesting (EH)‐assisted system model based on the performance of a
dual‐hop cooperative communication system that is subjected to Nakagami‐m fading …

A survey on design and performance of higher-order QAM constellations

PK Singya, P Shaik, N Kumar, V Bhatia… - arXiv preprint arXiv …, 2020 - arxiv.org
As the research on beyond 5G heats up, we survey and explore power and bandwidth
efficient modulation schemes in details. In the existing publications and in various …

Performance of multihop detect‐and‐forward relaying system over fluctuating two‐ray fading channels

D Dixit, PR Sahu - Transactions on Emerging …, 2018 - Wiley Online Library
The performance of multihop detect‐and‐forward relaying system is analyzed over
fluctuating two‐ray fading channels for 28 GHz millimeter wave communications. Exact …

On the ASER performance of RF energy harvesting multiple relay networks

RK Singh, N Kumar, D Dixit - Physical Communication, 2022 - Elsevier
We present the average symbol error rate (ASER) of quadrature amplitude modulation
(QAM) for radio frequency energy harvesting assisted dual-hop multiple amplify-and-forward …

Error rate and outage of dual‐hop DF relay system with selection combining over Rice fading

D Dixit, PR Sahu - International Journal of Communication …, 2018 - Wiley Online Library
Performance of dual‐hop decode‐and‐forward relay system with selection‐combining
receiver is analyzed over Rice fading channels. The following closed‐form expressions of …

Evaluating the mobility impact on the performance of heterogeneous wireless networks over η–μ fading channels

E Meesa-Ard, S Pattaramalai - IEEE Access, 2021 - ieeexplore.ieee.org
The 5G and beyond networks will intrinsically accommodate a wide range of use-case
scenarios and expand the limit of legacy mobile systems. The 5G network architecture can …

Performance of regenerative relay-assisted D2D communication in mixed fading channels

D Dixit, PR Sahu - IEEE Communications Letters, 2018 - ieeexplore.ieee.org
Performance of device-to-device communication using selective decode-and-forward
relaying is analyzed in mixed two-wave with diffuse power and Nakagami-m fading …

Quadrature space shift keying performance with dual‐hop AF relay over mixed fading

HK Sahu, PR Sahu - International Journal of Communication …, 2019 - Wiley Online Library
Quadrature space shift keying (QSSK) modulation combined with cooperative relaying
improves the reliability in communication and enhances the overall spectral efficiency. Here …