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Indoor location can be of great assistance to shoppers: it enables them to find products, navigate around a large store or receive location specific promotions. Business owners also benefit from the collection of location data and movement patterns, as well as the potential for increased revenue and customer engagement by communicating with the user while in the shop. However, so far the lack of ubiquitous...
The OpenFlow architecture is a proposal from the Clean Slate initiative to define a new Internet architecture where the network devices are simple, and the control and management plane is performed by a centralized controller. The simplicity and centralization architecture makes it reliable and inexpensive. However, this architecture does not provide mechanisms to detect conflicting in flows, allowing...
Monitoring and managing traffic are vital elements to the operation of a network. Traffic prediction is an essential tool that captures the underlying behavior of a network and can be used, for example, to detect anomalies by defining acceptable data traffic thresholds. In this context, most current solutions are heavily based on historical time data, which makes it difficult to employ them in a dynamic...
The OpenFlow architecture is a proposal from the Clean Slate initiative to define a new Internet architecture where the network devices are simple, and the control and management plane is performed by a centralized controller. The simplicity and centralization architecture makes it reliable and inexpensive. However enterprise network administrators are not familiar with this new concept of network...
Information Technology (IT) products and services provided by modern organizations are designed in projects that often involve large amount of resources (e.g., humans, hardware, and software). It is essential that organizations enforce rational practices for project management, in order to successfully conclude projects and avoid waste of substantial resources. In this context, Risk Management is...
This paper presents a digitally programmable delay line intended for use as timing generator in a RADAR ranging system. The architecture of the programmable delay uses a ΣΔ modulator to generate a reference clock with a delay unaffected by component matching. This reference clock has a large jitter noise component that is filtered by delay lock loop (DLL). The programmable delay can produce a delay...
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