Results 1 to 10 of about 192,457 (251)

Transmission Convergence Layer of NG-PON2 in VPIphotonics Tool [PDF]

open access: yesJournal of Communications Software and Systems, 2017
Passive optical networks are the most promising solution for access networks. The first standard provided only 155 Mbit/s but current networks work according to ITU-T G.984.3 with 2.5 Gbit/s in downstream.
Tomas Horvath   +4 more
doaj   +4 more sources

Transmission Transparency and Potential Convergence of Optical Network Solutions at the Physical Layer for Bit Rates from 2.5 Gbps to 256 Gbps

open access: yesAdvances in Electrical and Electronic Engineering, 2017
In this paper, we investigate optical network recommendations GPON and XG-PON with triple-play services in terms of physical reach, number of subscribers, transceiver design, modulation format and implementation cost.
Rajdi Agalliu, Michal Lucki
doaj   +2 more sources

Region Segmentation Algorithm for Mobile Internet of Things Based on Multi-Layered Perception [PDF]

open access: yesJisuanji gongcheng, 2021
To solve the problems of low data transmission quality and high-frequency congestion caused by region segmentation of Internet of Things(IoT), an efficient secure region segmentation algorithm based on multi-layered perception mechanism is proposed.Based
LI Zhongcheng, XIE Bin, ZHANG Wenxiang
doaj   +1 more source

Capacity Configuration Method of Hybrid Energy Storage Participating in AGC Based on Improved Meta-Model Optimization Algorithm

open access: yesFrontiers in Energy Research, 2022
To improve the performance and economy of the hybrid energy storage system (HESS) coordinating thermal generators to participate in automatic generation control (AGC), a HESS bi-layer capacity configuration model that considers the control strategy and ...
Junqiang He   +7 more
doaj   +1 more source

High Throughput and Low Complexity Traffic Splitting Mechanism for 5G Non-Stand Alone Dual Connectivity Transmission

open access: yesIEEE Access, 2021
Dual connectivity (DC) is a key technology to improve the throughput of the fifth generation communication networks (5G) system. Due to the limitation of the splitting strategy and transmission delay of different transmission nodes, the out-of-order ...
Jiayun Sun   +3 more
doaj   +1 more source

A rapidly converging domain decomposition method for the Helmholtz equation [PDF]

open access: yes, 2013
A new domain decomposition method is introduced for the heterogeneous 2-D and 3-D Helmholtz equations. Transmission conditions based on the perfectly matched layer (PML) are derived that avoid artificial reflections and match incoming and outgoing waves ...
Amestoy   +21 more
core   +6 more sources

Optimization of power optical transmission network based on photo-electronic hybrid cross-connection technology

open access: yesDianxin kexue, 2021
A preliminary analysis to the current situation of the power grid optical transmission network was made.The power grid optical transmission network is facing huge challenges such as the increasing transmission capacity, the increasingly complex topology,
Yang ZHAO   +5 more
doaj   +2 more sources

Power Allocation for Multiple Transmitter-Receiver Pairs Under Frequency-Selective Fading Based on Convolutional Neural Network

open access: yesIEEE Access, 2020
For multiple transmitter-receiver pairs communication in a frequency-selective environment, typical power allocation method is the Iterative-Waterfilling (IW) algorithm.
Mingjun Dai   +5 more
doaj   +1 more source

Research on Sports Training Action Image Recognition Based on SDN

open access: yesJournal of Mathematics, 2022
Current image recognition methods cannot combine the transmission of image data with the interaction of image features, so the steps of image recognition are too independent, and the traditional methods take longer time and cannot complete the image ...
Dianhai Wang, Lianmei Shen
doaj   +1 more source

Access and metro network convergence for flexible end-to-end network design [PDF]

open access: yes, 2017
This paper reports on the architectural, protocol, physical layer, and integrated testbed demonstrations carried out by the DISCUS FP7 consortium in the area of access - metro network convergence. Our architecture modeling results show the vast potential
Achouche, M.   +20 more
core   +1 more source

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