Results 21 to 30 of about 47,685 (226)

Design of Mobile Operation and Maintenance System Based on Power GIS and GPS

MATEC Web of Conferences, 2017
In order to solve the low efficiency of operation and maintenance and the problems of management coordination caused by the coexistence of off-line operation and maintenance and multi system coexistence in current power telecommunication operation and ...
Jing TAO, Liwen Wu, Yanlei Zhang, Jiaojiao Zhang, Jimingi Yao   +4 more
doaj   +1 more source

Mesh Network for Railways

Современные информационные технологии и IT-образование, 2019
The possibilities provided by the mesh telecommunication network on the railways are examined in the article. Mobile terminal radio stations located on trains are considered as repeaters and moving base radio stations for trains outside the coverage area
Donat M. Schneps-Schneppe, Eugene O. Tikhonov   +1 more
doaj   +1 more source

Retracted: Cloud Network and Mathematical Model Calculation Scheme for Dynamic Big Data

IEEE Access, 2020
Cloud network oriented to dynamics big data is a popular way of big data operation at present. It is a big data that can be applied to human behavior under dynamics.
Yiren Chen, Zhiyong Qiu
doaj   +1 more source

BAYESIAN ESTIMATE OF TELECOMMUNICATION SYSTEMS PREPAREDNESS

Научный вестник МГТУ ГА, 2021
The paper assumes a Bayesian estimate of the telecommunication systems availability ratio. Downtime and uptime are described by gamma distributions with positive integer parameters.
V. E. Emelyanov, S. P. Matyuk
doaj   +1 more source

Privacy in (mobile) telecommunications services [PDF]

, 2005
Telecommunications services are for long subject to privacy regulations. At stake are traditionally: privacy of the communication and the protection of traffic data. Privacy of the communication is legally founded.
J Hoven van den, Jacques Penders, P.B Thompson, S Warren, W.F.K Altes   +4 more
core   +1 more source

Multinet : enabler for next generation enterprise wireless services [PDF]

, 2007
Wireless communications are currently experiencing a fast migration toward the beyond third-generation (B3G)/fourth generation (4G) era. This represents a generational change in wireless systems: new capabilities related to mobility and new services ...
Aginako, L., Atkinson, R.C., Bilbao, N., Bonnet, C., de la Maza, S., Hof, T., Lazaro, de Barrio O., Mazza, R., Molina, B., O'Flaherty, J., Vaquero, P.   +10 more
core   +1 more source

Frequency regulation participation of offshore wind farm integrated by diode-rectifer HVDC system

The Journal of Engineering, 2019
Large-scale wind farms integrated with multi-terminal direct current (MTDC) system decouples the frequency between the wind farms and the receiving end, resulting in weakened frequency regulation ability of the onshore AC grid. Recently a new topology is
Lijun Xie, Liangzhong Yao, Yan Li, Lie Xu, Zhibing Wang, Chunxia Wei, Chen Fan   +6 more
doaj   +1 more source

Overview of development and regulatory aspects of high altitude platform system

Intelligent and Converged Networks, 2020
High Altitude Platform (HAP) systems comprise airborne base stations deployed above 20 km and below 50 km to provide wireless access to devices in large areas.
Dong Zhou, Sheng Gao, Ruiqi Liu, Feifei Gao, Mohsen Guizani   +4 more
doaj   +1 more source

NECOP Propagation Experiment: Rain-Rate Distributions Observations and Prediction Model Comparisons

International Journal of Antennas and Propagation, 2012
Empirical distribution functions for one-minute average rain-rate values were compiled for three station year of observations at Nigeria environmental and climatic observatory (NECOP) propagation experiment terminal sites.
J. S. Ojo, S. E. Falodun
doaj   +1 more source

MTDC systems for frequency support base on DC voltage manipulation [PDF]

, 2015
This paper presents control strategies for multi-terminal HVDC systems to provide primary frequency support to connected AC networks via coordinated DC voltage manipulation.
Rafferty, J., Wang, Y., Xu, G., Xu, L.
core   +1 more source