Results 41 to 50 of about 372 (158)

Improving Generalized Spatial Modulation Using Translation Patterns [PDF]

, 2020
Generalized spatial modulation (GSM) is a spectral-efficient technique used in multiple-input multiple-output (MIMO) wireless communications when the number of radio frequency chains at the transmitter is less than the number of transmit antenna elements.
Singla, Lakshit, Natarajan, Lakshmi Prasad   +1 more
core   +1 more source

Comprehensive Validation of Novel Deep Learning Architectures to Forecast Geomagnetic Substorms

Space Weather, Volume 24, Issue 6, June 2026.
Abstract Magnetic substorms are disturbances in the terrestrial magnetosphere that can have significant space weather impacts, although forecasting their onset accurately remains an open problem. In this study, we develop multiple novel machine learning architectures based on convolutional neural networks, long short‐term memory networks, extreme ...
A. Essop, N. Mbatha, J. A. E. Stephenson
wiley   +1 more source

Joint Design of the Spatial and of the Classic Symbol Alphabet Improves Single-RF Spatial Modulation

IEEE Access, 2016
A new joint spatial and classic symbol alphabet is designed for spatial modulation (SM)-based multiple-input multiple-output systems. The employment of multiple active antennas instead of a single active antenna is proposed for increasing the achievable ...
Pranav S. Koundinya, K.V.S. Hari, Lajos Hanzo   +2 more
doaj   +1 more source

Downscaling Daily Discharge to Sub‐Daily Scales for Alpine Glacierized Catchments

Water Resources Research, Volume 62, Issue 5, May 2026.
Abstract Hydrological dynamics in glacierized catchments of the Alps are shaped by temperature‐driven processes, including snow and ice melt as well as precipitation, leading to diel streamflow cycles that vary in intensity within‐ and among‐the seasons.
Anne‐Laure Argentin, Mattia Gianini, Bettina Schaefli, Pascal Horton, Valérie Chavez‐Demoulin, Felix Pitscheider, Leona Repnik, Simone Bizzi, Stuart N. Lane, Francesco Comiti   +9 more
wiley   +1 more source

Generalized Spatial Modulation for Wireless Terabits Systems under sub-THz Channel with RF Impairments

, 2020
International audienceMultiple-Input Multiple-Output (MIMO) technique with Index Modulation (IM) over sub-TeraHertz (sub-THz) bands represent a promising solution to design new wireless ultra-high data rate systems.
Faouzi Bader, Ali C. Al Ghouwayel, Jacques Palicot, Saad, Majed, Hijazi, Hussein, Bouhel, Nizar, Majed Saad, Hussein Hijazi, Nizar Bouhel, Al Ghouwayel, Ali, Bader, Faouzi, Palicot, Jacques   +11 more
core   +1 more source

Benchmarking speech biomarkers of Alzheimer's against cognitive and neural measures

Alzheimer's &Dementia, Volume 22, Issue 4, April 2026.
Abstract INTRODUCTION Digital speech biomarkers (DSBs) support the detection and monitoring of Alzheimer's disease (AD) in Latinos. However, they have not been benchmarked against standard cognitive and neuroimaging measures, missing a critical validation milestone. METHODS Thirty‐three AD patients and 33 healthy controls completed verbal fluency tasks,
Ivan Caro, Gonzalo Pérez, Joaquín Valdés Bize, Joaquín Ponferrada, Franco J. Ferrante, Alejandro Sosa Welford, Lara Gauder, Loreto Olavarría, Fernando Henríquez, Teresita Ramos, Cristina Besnier, Luciana Ferrer, Maria Luisa Gorno‐Tempini, Andrea Slachevsky, Agustín Ibañez, Adolfo M. García   +15 more
wiley   +1 more source

Why Size Does Not Matter: Sex Driven Home Range Differences in Brown Bears

Ecology and Evolution, Volume 16, Issue 4, April 2026.
This is a novel anlaysis of unique dataset never find anywhere more than 60 collared free ranging brown bears movement data. ABSTRACT Sex, body size and environmental conditions are key determinants of home range size in large mammals, yet their relative importance within populations remains unclear for many wide‐ranging carnivores such as brown bears.
Morteza Naderi, Emrah Çoban, Uygar Can Çelik, Josip Kusak, Çağan H. Şekercioğlu   +4 more
wiley   +1 more source

Generalized spatial modulation for large-scale MIMO systems: analysis and detection

, 2014
Generalized Spatial modulation (GSM) uses nt antenna elements but fewer radio frequency chains (nrf) at the transmitter. Spatial modulation and spatial multiplexing are special cases of GSM with nrf = 1 and nrf = nt, respectively.
P. Raviteja, A. Chockalingam, Narasimhan, T. Lakshmi, Raviteja, P., Chockalingam, A., T. Lakshmi Narasimhan   +5 more
core   +1 more source

Precoded Generalized Spatial Modulation for Downlink MIMO Transmissions in Beyond 5G Networks

Applied Sciences, 2020
The design of multiple input multiple output (MIMO) schemes capable of achieving both high spectral and energy efficiency constitutes a challenge for next-generation wireless networks. MIMO schemes based on generalized spatial modulations (GSM) have been
João Pedro Pavia, Vasco Velez, Bernardo Brogueira, Nuno Souto, Américo Correia   +4 more
doaj   +1 more source

Rapid Evolution of Super Equatorial Plasma Bubbles and X‐Pattern EIA Formation During Extreme Storm Conditions on 12 November 2025

Geophysical Research Letters, Volume 53, Issue 6, 28 March 2026.
Abstract Extreme conditions during storms profoundly alter the evolution of equatorial plasma bubbles (EPBs), yet the key dynamics remains poorly understood. We document the rapid expansion, contraction, and decay of super EPBs in South America during the 12 November 2025 storm with Interplanetary Magnetic Field (IMF) Bz/By magnitude exceeding ∼50 nT ...
Shasha Zou, Lei Liu, Hang Liu, Anthea Coster, Robert Kerr, Jonas Souza, Angela Santos   +6 more
wiley   +1 more source