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排序方式: 共有75条查询结果,搜索用时 15 毫秒
1.
Thai Binh Wan Rachel Seneviratne Aruna Rakotoarivelo Thierry 《Mobile Networks and Applications》2003,8(1):27-36
The high expectations and demand for users to access the Internet from anywhere at anytime has made user mobility an important part of the design and development of the next generation mobile communications and computing. Traditionally user mobility has been divided into two areas: Terminal Mobility and Personal Mobility. In recent years terminal mobility has focused on the movement of the terminal and developed extensions to IP protocols such as Mobile IP. In contrast, personal mobility has only received limited attention, and is somewhat lagging behind. This research has either focussed on personal mobility in communications or personalisation of operating environments. As a result, to date no framework for providing true personal mobility has emerged. In this paper, we introduce a new personal mobility framework called IPMoA (Integrated Personal Mobility Architecture), which integrates both aspects of personal mobility to provide a complete personal mobility solution, and illustrate the viability of this approach through a proof-of-concept implementation. 相似文献
2.
Jennifer D Key Padmapani Seneviratne 《Applicable Algebra in Engineering, Communication and Computing》2016,27(5):399-412
We show how to find s-PD-sets of the minimal size \(s+1\) for the \(\left[ \frac{q^n-q^u}{q-1},n,q^{n-1}-q^{u-1}\right] _q \) MacDonald q-ary codes \(C_{n,u}(q)\) where \(n \ge 3\) and \(1 \le u \le n-1\). The construction of [6] can be used and gives s-PD-sets for s up to the bound \(\lfloor \frac{q^{n-u}-1}{(n-u)(q-1)} \rfloor -1\), of effective use for u small; for \(u \ge \lfloor \frac{n}{2} \rfloor \) an alternative construction is given that applies up to a bound that depends on the maximum size of a set of vectors in \(V_u(\mathbb {F}_q)\) with each pair of vectors distance at least 3 apart. 相似文献
3.
A. Richards T. Ginige A. Seneviratne T. Buczkowska M. Fry 《Concurrency and Computation》1994,6(4):357-373
It has been shown that protocol processing represents a severe bottle-neck for high speed computer networks. The disadvantages of currently proposed solutions are their incompatibility with existing standardised protocol implementations, their complexity and/or their inflexibility. One method of alleviating these limitation is to have an adaptable protocol stack, as proposed in the paper. Preliminary results are presented which show that significant gains in throughput can be achieved while creating a framework suitable for future applications. 相似文献
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Although parking revenue is a principal source of income, supply of parking infrastructure at airports is based largely on expected needs. Although that is a rational basis, high investment costs and management fees are requiring developers and financiers to carefully analyze investment risks. This paper focuses on sources of investment risk in airport parking infrastructure development and discusses the application of Monte Carlo simulation to estimate and understand the impacts of cash flow uncertainties on project feasibility. It is shown that cost overruns, which are common in construction project development, have the most significant impact on return risk. 相似文献
7.
The accurate prediction of cost profiles of future job tasks on the nodes of clusters or grids helps users to select the cost performance profile that best suits their budgets. The current software designed to deploy job tasks uses forecasts of the target computers' future load profiles. Once the job task's future load profile is known, converting it to its cost profile needs further analysis as the cost depends on other factors such as its delays and variable background loads. This paper introduces a new charging mechanism for charging future job tasks, called the Cost Profiling Model. The model has been implemented in a Software Framework and evaluated for its prediction accuracy. Copyright © 2009 John Wiley & Sons, Ltd. 相似文献
8.
Helge Klippstein Hany Hassanin Alejandro Diaz De Cerio Sanchez Yahya Zweiri Lakmal Seneviratne 《Advanced Engineering Materials》2018,20(9)
9.
New line-based thinning algorithm 总被引:1,自引:0,他引:1
Zhu Y. Seneviratne L.D. Earles S.W.E. 《Vision, Image and Signal Processing, IEE Proceedings -》1995,142(6):351-358
Thinning algorithms can be classified into two general types: sequential and parallel. Most of them peel off the boundaries until the objects have been reduced to thin lines. The process is performed iteratively, the number of iterations being approximately equal to half the maximum line width of the object. Several sequential boundary based algorithms have been proposed, but they have limitations. A new line-base algorithm is presented. the thinning element of the algorithm is a line and not, as more common, a point. The algorithm is based on a new line thinning model and is applicable to objects of general shape. The line-based thinning algorithm gives the freedom of choosing the deletion width at each iteration, and thus significantly reduces the number of iterations. The selection of the deletion width is a trade-off between speed and quality of skeletons. Experimental results are used to compare this new algorithm to other sequential algorithms and their relative performances are assessed. The new algorithm is shown to be computationally more efficient 相似文献
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