Results 31 to 40 of about 355 (175)

Reduced Complexity Detection in MIMO Systems with SC-FDE Modulations and Iterative DFE Receivers

open access: yesJournal of Sensor and Actuator Networks, 2018
This paper considers a Multiple-Input Multiple-Output (MIMO) system with P transmitting and R receiving antennas and different overall noise characteristics on the different receiver antennas (e.g., due to nonlinear effects at the receiver side).
Filipe Casal Ribeiro   +4 more
doaj   +1 more source

Atividade e participação de crianças e adolescentes com paralisia cerebral: um estudo transversal multicêntrico no Brasil

open access: yesDevelopmental Medicine &Child Neurology, EarlyView.
Resumo Objetivo Avaliar os efeitos diretos, indiretos, mediadores e moderadores sobre o desempenho de atividades e a participação de crianças e adolescentes com paralisia cerebral (PC), sob a perspectiva da Classificação Internacional de Funcionalidade, Incapacidade e Saúde (CIF).
Déborah E Fontes   +5 more
wiley   +1 more source

Nonlinear Effects in NOMA Systems Using Single Carrier Modulations: Performance Evaluation and Receiver Design

open access: yesIEEE Access
Non orthogonal multiple access (NOMA) systems are very important for future communications which allows a huge increase in capacity gains when comparing to conventional orthogonal multiple access (OMA) techniques. On the other hand, the power consumption
Oussama Ben Haj Belkacem   +2 more
doaj   +1 more source

Effectiveness Evaluation of Dual-Polarized OAM Multiplexing Employing SC-FDE in Urban Street Canyon Environments

open access: yesIEEE Access, 2022
This study investigates the system capacity of dual-polarized orbital angular momentum (OAM) multiplexing that employs single-carrier with frequency domain equalization (FDE) in urban street canyon environments.
Hirofumi Suganuma   +3 more
doaj   +1 more source

Balance Disorders in Young and Middle‐Aged Adults: NHANES, 2001–2004 and 2021–2023

open access: yesThe Laryngoscope, Volume 136, Issue 8, Page 3577-3593, August 2026.
This study presents nationally‐representative estimates from two health exam surveys, NHANES 2001–2004 and 2021–2023. In the two decades between test periods, scores on the modified Romberg screening test for balance function demonstrated significantly better age‐specific performance in 2021–2023.
Howard J. Hoffman   +8 more
wiley   +1 more source

Blind frequency-domain channel estimation for STBC-SC-FDE systems via redundant precoding

open access: yesTongxin xuebao, 2013
A blind subspace frequency-domain channel estimation algorithm based on redundant precoding was proposed for single-carrier system with frequency-domain equalization and space-time block codes (STBC-SC-FDE) over frequency-selective fading channels.Blind ...
Yong-chuan WANG, Zi-li CHEN
doaj   +2 more sources

Efficient Joint Channel Equalization and Tracking for V2X Communications Using SC-FDE Schemes

open access: yesIEEE Access, 2020
Our aim with this paper is to present a solution suitable for vehicle-to-everything (V2X) communications, particularly, when employing single-carrier modulations combined with frequency-domain equalization (SC-FDE).
Pedro Pedrosa   +4 more
doaj   +1 more source

Fault Detection and Classification in Five‐Level Reduced Device Count Multilevel Inverter Using Fuzzy Logic System

open access: yesEnergy Science &Engineering, Volume 14, Issue 5, Page 2626-2643, May 2026.
A fuzzy logic–based diagnostic framework for a reduced device count multilevel inverter to accurately detect and classify open‐circuit faults. ABSTRACT The reliable performance of multilevel inverters (MLIs) is critical to the advancement of power electronic systems used in renewable energy conversion, microgrid operation, and electric vehicle ...
Niraj Kumar Dewangan   +4 more
wiley   +1 more source

Single- Versus Multicarrier Terahertz-Band Communications: A Comparative Study

open access: yesIEEE Open Journal of the Communications Society, 2022
The prospects of utilizing single-carrier (SC) and multi-carrier (MC) waveforms in future terahertz (THz)-band communication systems remain unresolved.
Simon Tarboush   +3 more
doaj   +1 more source

Portable X‐Ray Fluorescence in the Assessment of Zinc Along Grizzly Bear Hair

open access: yesX-Ray Spectrometry, Volume 55, Issue 3, Page 473-482, May/June 2026.
ABSTRACT As a biomarker of past uptake of zinc, hair presents an interesting option since its growth can provide a stored record over time. This study investigates the distribution of zinc in hairs gathered from a series of grizzly bears ( Ursus arctos horribilis ).
David E. B. Fleming   +2 more
wiley   +1 more source

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