Efficient coordinated recovery of sparse channels in massive MIMO

M Masood, LH Afify… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
This paper addresses the problem of estimating sparse channels in massive MIMO-OFDM
systems. Most wireless channels are sparse in nature with large delay spread. In addition …

Decision-directed iterative methods for PAPR reduction in optical wireless OFDM systems

AW Azim, Y Le Guennec, G Maury - Optics Communications, 2017 - Elsevier
In this paper, we propose two iterative decision-directed methods for peak-to-average power
ratio (PAPR) reduction in optical-orthogonal frequency division multiplexing (O-OFDM) …

SER analysis and joint optimization in nonlinear MIMO-OFDM systems with clipping

Y Du, L Hao, Y Lei - 2023 IEEE 97th Vehicular Technology …, 2023 - ieeexplore.ieee.org
Signal clipping is one of the most efficient signal peak-to-average power ratio (PAPR)
reduction schemes for MIMO-OFDM receivers. It significantly reduces the nonlinear …

Clipping noise recovery of OTFS signals using reliability-based compressed sensing

S Gao, J Zheng - IEEE Transactions on Vehicular Technology, 2021 - ieeexplore.ieee.org
In this correspondence, an efficient clipping noise recovery method using reliability-based
compressed sensing (CS) is proposed for orthogonal time frequency space modulation with …

Iterative compensation for clipping noise in spatial modulation OFDM systems

Y Zhao, Y Xiao, P Yang, S Fang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Clipping is an effective technique to adjust the peak-to-average power ratio (PAPR) of
spatial modulation (SM) orthogonal frequency-division multiplexing (OFDM) systems. In this …

Sparse index OFDM modulation for IoT communications

HS Hussein, AS Mubarak, OA Omer… - IEEE …, 2020 - ieeexplore.ieee.org
One of the greatest challenges facing the physical layer design of the internet of things (IoT)
resides in the imposed constraint of very low power consumption. Recently, new modulation …

An efficient ACE scheme for PAPR reduction of OFDM signals with high-order constellation

Y Liu, Y Wang, B Ai - IEEE Access, 2019 - ieeexplore.ieee.org
In this paper, an efficient Active Constellation Extension (ACE) based on Extension
Projection Onto the Convex Sets (EPOCS-ACE) scheme is proposed for reducing Peak-to …

Nonlinear Multicarrier Transmitter System With Signal Clipping: Measurement, Analysis, and Optimization

Y Du, L Hao, Y Lei, Q Yang, S Xu - IEEE Systems Journal, 2024 - ieeexplore.ieee.org
Signal clipping is a well-established method employed in orthogonal frequency division
multiplexing (OFDM) systems to mitigate peak-to-average power ratio. The utilization of this …

Binary sparse signal recovery algorithms based on logic observation

XL Hu, J Wen, Z Lai, WK Wong, L Shen - Pattern Recognition, 2019 - Elsevier
Binary observation has been widely reported in the literature to localize or track moving
objects due to its simple realization and good performance in improving energy efficiency …

Nonlinear Multi-Carrier System with Signal Clipping: Measurement, Analysis, and Optimization

Y Du, L Hao, Y Lei - arXiv preprint arXiv:2310.00593, 2023 - arxiv.org
Signal clipping is a classic technique for reducing peak-to-average power ratio (PAPR) in
orthogonal frequency division multiplexing (OFDM) systems. It has been widely applied in …