نتایج جستجو برای: sector and metro
تعداد نتایج: 16850855 فیلتر نتایج به سال:
In this research a fire scenario was simulated in one of the stations of the line 7 of Tehran's subway system. The Line 7 is under construction and the ventilation system is under design. Fire was set for a stopping metro train at the platform of the station. A 160 meter length eight-car metro train with the forth wagon on the fire was studied. The heat release rate is based on a quadratic f...
The need for differentiated levels of Quality of Service in the Internet has motivated the development of several QoS mechanisms. This paper describes Paris Metro Pricing (PMP), the simplest differentiated services solution, proposed by Odlyzko [1]. In PMP, the service differentiation would result implicitly from dividing the network into several logically separate best-effort channels with dif...
Optical grooming switch with regenerative functionality for transparent interconnection of networks.
We demonstrate a regenerative optical grooming switch for buffer-less interconnection of metro/access and metro/core ring networks with switching functionality in time, space and wavelength domain. Key functionalities of the router are the traffic aggregation with time-slot interchanging (TSI) functionality, the WDM-to-ODTM multiplexing and the OTDM-to-WDM demultiplexing of high-speed channel i...
The transport performance of an optically transparent regional-size ring network testbed with circumference of 280 km, based on metro-area optimized optical layer components and fiber, is demonstrated under dynamic traffic conditions. For the longest transmission path, excellent transmission performance is achieved using cost-effective directly modulated signals. Network reconfigurability is ac...
In this paper, we propose different offloading scenarios, which help operators controlling the ever increasing of mobile data volumes over the femto and the macro cellular networks. We consider the Selected IP traffic offload (SIPTO) approach in order to selectively offload mobile IP traffic in order to use servers deployed within the metro network “at/above the RAN”. A quantitative study is ca...
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