نتایج جستجو برای: network losses

تعداد نتایج: 729751  

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2008
Alexander Stepanenko Costas C. Constantinou Igor V. Yurkevich Igor V. Lerner

We introduce a continuum model describing data losses in a single node of a packet-switched network (like the Internet) which preserves the discrete nature of the data loss process. By construction, the model has critical behavior with a sharp transition from exponentially small to finite losses with increasing data arrival rate. We show that such a model exhibits strong fluctuations in the los...

2013
B. Chellaprabha J. Priyadharsini

Data communication in networking is done through exchanging the data packets between the end points. The packet loss may occur in wired/wireless network during the data transmission. Losses in wired network are caused because of congestion in routers, but losses in wireless network may occur because of interference or network congestion. The main problem in wireless network compared to wired ne...

In this paper, simultaneous placement of distributed generation, capacitor bank and protective devices are utilized to improve the efficiency of the distribution network. The objectives of the problem are reduction of active and reactive power losses, improvement of voltage profile and reliability indices and increasing distribution companies’ profit. The combination of firefly algorithm, parti...

Journal: :Civil Engineering Journal 2021

Irrigation canals are generally made through porous soil formations, since the is loose media – a huge amount of canal water lost to conveyance losses. The situation becomes direr when these losses result in non-beneficial Sindh province Pakistan has more than 70% saline groundwater, such areas not only become unusable but also creates management problems. Perhaps cost-effective way address lin...

Journal: :CIRED - Open Access Proceedings Journal 2017

This paper proposes a new hybrid active power filter, including voltage source converter (VSC) based active power filter and Thyristor Controllable LC Passive Filter (TCLC-HAPF) for eliminating harmonic load current components and compensating reactive power. This new structure which is based on the separation of high and low-frequency components of load current idea can reduce the drawbacks of...

Journal: :health scope 0
hosein kamani health promotion research center, zahedan university of medical sciences, ir iran; department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, ir iran mohammad malakootian environmental health research center and environmental health engineering department, school of public health, kerman university of medical sciences, ir iran mohammad hoseini department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, ir iran; department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, ir iran. tel: +9821-22909114, fax: +9821-88954914 jalil jaafari department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, ir iran

background the non-revenue water refers to a difference between the volume of water entering the system and billed authorized consumption. objectives the main purpose of this study is to determine the volume of non-revenue water in order to recognize the factors influencing water losses so that the information gathered can used in non-revenue water reduction management. materials and methods ka...

2000
Hiroyuki Ohsaki Masayuki Murata Hideo Miyahara

In a packet-switched network, a feedback-based congestion control mechanism is essential to provide data transfer services efficiently. Its main objective is to prevent packet losses in the network, and to utilize network resources effectively. The current Internet uses a windowbased flow control mechanism in its TCP (Transmission Control Protocol), as the feedback-based congestion control mech...

2007
Hiroyuki Ohsaki Masayuki Murata Hideo Miyahara

In a packet-switched network, a feedback-based congestion control mechanism is essential to provide data transfer services efficiently. Its main objective is to prevent packet losses in the network, and to utilize network resources effectively. The current Internet uses a window-based flow control mechanism in its TCP (Transmission Control Protocol), as the feedback-based congestion control mec...

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