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521
Error probability of coded STBC systems in block fading environments
منشور في 2006"…Results show that the performance degradation due to channel memory decreases as the number of transmit antennas is increased. …"
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article -
522
Throughput of ARQ protocols over Rician, Nakagami and MIMO block fading channels
منشور في 2020"…Keywords: ARQ, throughput, error probability, fading channels, space-time, multiple antennas, transmit diversity, MIMO, Rician, Nakagami.…"
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article -
523
Can bitcoin’s volatility be tamed?
منشور في 2018"…Bitcoin is a software for operating a peer-to-peer payment network with its own hard money, without having to rely on a trusted third party. …"
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article -
524
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525
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526
The Kumaraswamy Pareto IV Distribution
منشور في 2021"…It has increasing, decreasing, upside-down bathtub, bathtub, J and reversed-J shaped hazard rate shapes. …"
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article -
527
Changing life expectancy in European countries 1990–2021: a subanalysis of causes and risk factors from the Global Burden of Disease Study 2021
منشور في 2025"…Exposure to these major risk factors differed by country, with trends of increasing exposure to high BMI and decreasing exposure to tobacco smoke observed in all countries during 1990–2021. …"
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article -
528
Evaluation of Workability and Structuration Rate of Locally Developed 3D Printing Concrete Using Conventional Methods
منشور في 2022"…However, for printed specimens, the compressive strength decreased with the increase in a/b ratio due to increased thixotropy. …"
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article -
529
Mental Stress Assessment in the Workplace: A Review
منشور في 2024"…Workers with demanding jobs are at risk of experiencing mental stress, leading to decreased performance, mental illness, and disrupted sleep. …"
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article -
530
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531
Global, regional, and national prevalence of child and adolescent overweight and obesity, 1990–2021, with forecasts to 2050: a forecasting study for the Global Burden of Disease St...
منشور في 2025"…From 2022 to 2050, global increases in overweight (not obesity) prevalence are forecasted to stabilise, yet the increase in the absolute proportion of the global population with obesity is forecasted to be greater than between 1990 and 2021, with substantial increases forecast between 2022 and 2030, which continue between 2031 and 2050. …"
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article -
532
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533
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534
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535
Wind shear coefficient, turbulence intensity and wind power potential assessment for Dhulom, Saudi Arabia
منشور في 2020"…Finally, a decreasing pattern was observed in the values of TIs with increasing height.…"
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article -
536
Basin of Attraction through Invariant Curves and Dominant Functions
منشور في 2015احصل على النص الكامل
article -
537
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538
Global, regional, and national burden of stroke and its risk factors, 1990–2019: a systematic analysis for the Global Burden of Disease Study 2019
منشور في 2021"…During the same period, age-standardised rates of stroke incidence decreased by 17·0% (15·0–18·0), mortality decreased by 36·0% (31·0–42·0), prevalence decreased by 6·0% (5·0–7·0), and DALYs decreased by 36·0% (31·0–42·0). …"
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539
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540
Spatial, temporal, and demographic patterns in prevalence of chewing tobacco use in 204 countries and territories, 1990–2019: a systematic analysis from the Global Burden of Diseas...
منشور في 2021"…Among females, none of these 12 countries had significant decreases in prevalence of chewing tobacco use, whereas seven of 12 countries had a significant decrease in the prevalence of tobacco smoking use for the period. …"