Constant envelope OFDM

SC Thompson, AU Ahmed, JG Proakis… - IEEE transactions on …, 2008 - ieeexplore.ieee.org
This paper describes a transformation technique aimed at solving the peak-to-average
power ratio (PAPR) problem associated with OFDM (orthogonal frequency-division …

[BOOK][B] Constant envelope OFDM phase modulation

SC Thompson - 2005 - search.proquest.com
Orthogonal frequency division multiplexing (OFDM) is a popular modulation technique for
wireless digital communications. It provides a relatively straightforward way to accommodate …

Semidefinite relaxation-based PAPR-aware precoding for massive MIMO-OFDM systems

M Yao, M Carrick, MM Sohul… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
A massive multiple-input multiple-output (MIMO) requires a large number of antennas and
the same amount of power amplifiers (PAs), one per antenna. As opposed to 4G base …

Nonlinear effects in NOMA-OFDM systems: Analytical signal characterization and receiver design

OBH Belkacem, R Dinis… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Non orthogonal multiple access (NOMA) is being considered a key technology for future
communications. In this paper, we provide an analytical characterization of downlink NOMA …

Cyclic prefixed OQAM-OFDM and its application to single-carrier FDMA

X Gao, W Wang, XG ** noise recovery of OFDM signals based on compressed sensing
L Yang, K Song, YM Siu - IEEE Transactions on Broadcasting, 2017 - ieeexplore.ieee.org
The simple method of clip** is widely used to reduce the peak-to-average power ratio of
orthogonal frequency division multiplexing (OFDM) signal prior to passing it through the high …

Use of 1‐bit digital‐to‐analogue converters in massive MIMO systems

J Guerreiro, R Dinis, P Montezuma - Electronics Letters, 2016 - Wiley Online Library
Massive multiple‐input multiple‐output (MIMO) systems are being proposed for next
generation broadband wireless systems. However, as the complexity of implementation …

Optimum and sub-optimum receivers for OFDM signals with strong nonlinear distortion effects

J Guerreiro, R Dinis… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
In this paper we consider the optimum detection of OFDM (Orthogonal Frequency Division
Multiplexing) signals with strong nonlinear distortion effects. It is shown that the optimum …

On the accuracy of the Gaussian approximation for the evaluation of nonlinear effects in OFDM signals

T Araújo, R Dinis - IEEE Transactions on Communications, 2011 - ieeexplore.ieee.org
The almost Gaussian nature of OFDM (Orthogonal Frequency Division Multiplexing) signals
with high number of subcarriers N is widely employed to characterize nonlinearly distorted …

Performance analysis for OFDM signals with peak cancellation

J Song, H Ochiai - IEEE transactions on communications, 2015 - ieeexplore.ieee.org
Peak cancellation (PC) is known as one of the simplest peak-to-average power ratio (PAPR)
reduction techniques that are applicable to various communications standards. The salient …