نتایج جستجو برای: traffic congestion

تعداد نتایج: 114773  

Journal: :Int. Journal of Network Management 2016
Hela Mliki Lamia Chaari Lotfi Kamoun Bernard Cousin

Amulticast congestion control scheme is an interesting feature to control group communication applications such as teleconferencing tools and information dissemination services. This paper addresses a comparison between multiple unicast and multicast traffic congestion control for Carrier Ethernet. In this work, we proposed to study the Quantized Congestion Notification (QCN), which is a Layer ...

Traffic congestion worldwide has led to loss of human lives due to failure in transporting accident victims, critical patients, medical equipment and medicines on time. With the unending growth in vehicular traffic everywhere, Internet of Things (IOT) and Vehicular Ad Hoc Network (VANET) have embarked as a promising platform for an Intelligent Traffic Management System (ITMS). Many researches h...

2015

This Bureau of Infrastructure, Transport and Regional Economics (BITRE) Information Sheet updates the results of a previous Bureau study (BTRE 2007, Working paper 71) identifying long-term trends in urban traffic growth and estimating the consequent impacts of that traffic growth on road network congestion levels within the Australian capital cities. Such studies attempt a suitable quantificati...

Journal: :IEICE Transactions 2015
Tatsuya Otoshi Yuichi Ohsita Masayuki Murata Yousuke Takahashi Noriaki Kamiyama Keisuke Ishibashi Kohei Shiomoto Tomoaki Hashimoto

In recent years, the time variation of Internet traffic has increased due to the growth of streaming and cloud services. Backbone networks must accommodate such traffic without congestion. Traffic engineering with traffic prediction is one approach to stably accommodating time-varying traffic. In this approach, routes are calculated from predicted traffic to avoid congestion, but predictions ma...

1997
DAN GARRISON

T raffic congestion is a problem facing virtually every major metropolitan area in theUnited States. Because of prospects of continued traffic growth and relatively little money available for the expansion of highway networks, effective management of traffic flow is a vital concern. Within this context, perhaps one of the least understood and most disruptive phenomenon facing traffic flow manag...

2017
Sebastian M. Krause Lars Habel Thomas Guhr Michael Schreckenberg

Universal characteristics of road networks and traffic patterns can help to forecast and control traffic congestion. The antipersistence of traffic flow time series has been found for many data sets, but its relevance for congestion has been overseen. Based on empirical data from motorways in Germany, we study how antipersistence of traffic flow time-series impacts the duration of traffic conge...

Wireless Sensor Networks (WSNs) are a specific category of wireless ad-hoc networks where their performance is highly affected by application, life time, storage capacity, processing power, topology changes, the communication medium and bandwidth. These limitations necessitate an effective data transport control in WSNs considering quality of service, energy efficiency, and congestion control. ...

2014
Sachin Patel

In WSN, usually tens or thousands of sensor nodes are deployed, scattered way in an area with one or more sinks. Moreover, for achieving reliability and load balancing, several multipath routing protocols have been proposed. But the limitation of these protocols is traffic overhead. Thus the occurrence of congestion in this situation is more likely.[3] The situation becomes worse when congestio...

2011
Melanie Smith Roger Mailler

Traffic congestion is a widespread epidemic that continually wreaks havoc in urban areas. Traffic jams, car wrecks, construction delays, and other causes of congestion, can turn even the biggest highways into a parking lot. Several congestion mitigation strategies are being studied, many focusing on micro-simulation of traffic to determine how modifying road structures will affect the flow of t...

Journal: :J. Inf. Sci. Eng. 2014
Wei Zhang Guozhen Tan Nan Ding Guang-Yuan Wang

This paper proposed the model and algorithms for traffic data monitoring and signal timing optimization based on continuum traffic model and wireless sensor networks. Given the scenario that sensor nodes are sparsely installed along the segment between signalized intersections, an analytical model is built based on continuum traffic equations, and an adaptive interpolation method is proposed to...

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