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 …

[图书][B] Foundations of MIMO communication

RW Heath Jr, A Lozano - 2018 - books.google.com
Understand the fundamentals of wireless and MIMO communication with this accessible and
comprehensive text. Viewing the subject through an information theory lens, but also …

A journey from improper Gaussian signaling to asymmetric signaling

S Javed, O Amin, B Shihada… - … Surveys & Tutorials, 2020 - ieeexplore.ieee.org
The deviation of continuous and discrete complex random variables from the traditional
proper and symmetric assumption to a generalized improper and asymmetric …

Performance of UAV-assisted multiuser terrestrial-satellite communication system over mixed FSO/RF channels

PK Singya, MS Alouini - IEEE Transactions on Aerospace and …, 2021 - ieeexplore.ieee.org
In this letter, performance of a multiantenna multiuser unmanned aerial vehicle (UAV)-
assisted terrestrial-satellite communication system over mixed free space optics …

On the performance analysis of higher order QAM schemes over mixed RF/FSO systems

PK Singya, N Kumar, V Bhatia… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In this work, the performance of a dual-hop variable gain amplify-and-forward (AF) mixed
radio frequency (RF)/free space optics (FSO) system is analyzed in details. As variable gain …

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 …

Performance of IRS-aided FD two-way communication network with imperfect SIC

D Kumar, PK Singya, O Krejcar, K Choi… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Intelligent reflecting surface (IRS) is a promising technology to deploy reconfigurable and
cost-effective next-generation wireless communication systems. In this work, we investigate …

ASER analysis of hybrid receiver based SWIPT two-way relay network

D Kumar, PK Singya, V Bhatia - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
In this paper, we investigate the performance of a hybrid receiver-based simultaneous
wireless information and power transfer (SWIPT) two-way relay network over Nakagami-m …

On impact of imperfect CSI over hexagonal QAM for TAS/MRC-MIMO cooperative relay network

P Shaik, PK Singya, V Bhatia - IEEE Communications Letters, 2019 - ieeexplore.ieee.org
In this letter, we investigate the effect of imperfect channel state information (CSI) on
quadrature amplitude modulation (QAM) schemes for a multi-input and multi-output (MIMO) …

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 …