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Modelling is a technique that can be used in the development and sizing of networks. It involves building a mathematical representation of a physical system and is often computer based, allowing system behaviour to be investigated based on the variation of key parameters. This pa- per will describe some applicable tools for network modelling and consider a range of applications. Whilst modelling and...
Cognitive radios are the advanced wireless systems that are used to intelligently access the scarce radio resource - the spectrum. Cognitive radios have ability to sense the ambience, spectrum usage, geo conditions and fuse these information to arrive at a spectrum decision which helps to access the network in a `smart', controlled manner. However, the incumbent licensed systems are not sure on the...
Transmission Control Protocol was designed to work over the networks characterized by low delay and negligible bit error rates. Transmission Control Protocol (TCP) performance degrades when TCP traffic is carried over the satellite networks that have large latency, high bit error rates and path asymmetry. To comprehend the effect of satellite conditions over TCP, we have evaluated the TCP performance...
Fast and accurate power analysis is a critical requirement for designing power-efficient system-on-chips (SoCs). Current system-level power analysis tools are incapable of generating power estimates under real-life workloads within an acceptable amount of time, even for moderately complex SoCs. Our work addresses this problem by borrowing on emulation, which is a widely used technique to accelerate...
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