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Traffic Management by Using Admission Control Methods in Multiple Node IMS Network [PDF]

Advances in Electrical and Electronic Engineering, 2016
The paper deals with Admission Control methods (AC) as a possible solution for traffic management in IMS networks (IP Multimedia Subsystem) - from the point of view of an efficient redistribution of the available network resources and keeping the ...
Filip Chamraz, Ivan Baronak
doaj   +4 more sources

Assessing the Quality of Prenatal Care: Use of the Kotelchuck Index Combined with Prenatal Care Data

Women, 2023
The aim of the present study was to propose a quality prenatal (PN) care assessment model combining use and visit content (both adjusted for the weeks of gestation) to estimate inadequate PN care and associated factors in Rio Branco, Acre.
Débora Melo de Aguiar, Andréia Moreira de Andrade, Alanderson Alves Ramalho, Fernanda Andrade Martins, Rosalina Jorge Koifman, Simone Perufo Optiz, Ilce Ferreira da Silva   +6 more
doaj   +1 more source

Deep Unfolding of Chebyshev Accelerated Iterative Method for Massive MIMO Detection

IEEE Access, 2023
The zero-forcing (ZF) and minimum mean square error (MMSE) based detectors can approach optimal performance in the uplink of massive multiple-input multiple-output (MIMO) systems.
Salah Berra, Sourav Chakraborty, Rui Dinis, Shahriar Shahabuddin   +3 more
doaj   +1 more source

State-of-the-Art Literature Review of Power Flow Control Methods for Low-Voltage AC and AC-DC Microgrids

Energies, 2023
The development of AC distribution systems provides for the seamless integration of low-voltage microgrids with distributed energy resources (DERs). This poses new challenges for the control of normal, emergency, and post-emergency states of microgrids ...
Pavel Ilyushin, Vladislav Volnyi, Konstantin Suslov, Sergey Filippov   +3 more
doaj   +1 more source

Generative adversarial network-based attenuation correction for 99mTc-TRODAT-1 brain SPECT

Frontiers in Medicine, 2023
BackgroundAttenuation correction (AC) is an important correction method to improve the quantification accuracy of dopamine transporter (DAT) single photon emission computed tomography (SPECT).
Yu Du, Yu Du, Han Jiang, Ching-Ni Lin, Zhengyu Peng, Jingzhang Sun, Pai-Yi Chiu, Guang-Uei Hung, Greta S. P. Mok, Greta S. P. Mok   +9 more
doaj   +1 more source

Comparison and Intercorrelation of Extraction Methods for Polyphenol Content and Antioxidant Capacity of Scab-Resistant Apple Cultivars

Agronomy, 2022
Polyphenols with antioxidant compounds represent an important group of bioactive substances in apple production. The objectives of this study were firstly to measure four parameters of antioxidant capacity (AC) and polyphenol content (AC-FRAP (Ferric ...
Mihály Orosz-Tóth, Andrea Nemes-Kun, Daniel A. Lowy, Ádám Csihon, Zsolt Sándor, Ida Kincses, Imre J. Holb   +6 more
doaj   +1 more source

Standardized retrofit of AC filter overload protection in Longquan-Zhengping HVDC transmission project

Zhejiang dianli, 2023
The AC filter protection devices used in the Longquan-Zhengping HVDC transmission project are non-standardized products supplied by ABB in 2003. The AC filter overload protection for the project must be standardized through renovation.
YANG Jianming, MA Yunlong, LU Yu, WANG Yongping, HUANG Zhiling, YU Xiang   +5 more
doaj   +1 more source

Bifurcation Stability Analysis of the Synchronverter in a Microgrid

Energies, 2022
Synchronized converters are being studied as a viable alternative to address the transition from synchronous generation to power-electronics-based generation systems.
Juan Segundo Ramírez, Josué Hernández Ramírez, Nancy Visairo Cruz, Rafael Peña Gallardo   +3 more
doaj   +1 more source

AC/DC Fields Demodulation Methods of Resonant Electric Field Microsensor

Micromachines, 2020
Electric field microsensors have the advantages of a small size, a low power consumption, of avoiding wear, and of measuring both direct-current (DC) and alternating-current (AC) fields, which are especially suited to applications in power systems ...
Pengfei Yang, Xiaolong Wen, Zhaozhi Chu, Xiaoming Ni, Chunrong Peng   +4 more
doaj   +1 more source

Contribution to the Management of Traffic in Networks

Advances in Electrical and Electronic Engineering, 2014
The paper deals with Admission control methods (AC) in IMS networks (IP multimedia subsystem) as one of the elements that help ensure QoS (Quality of service).
Filip Chamraz, Ivan Baronak
doaj   +1 more source