The Application Of RISC Processors To Training Simulators

Report on a study of the utility of reduced instruction set computer processors as the control computers in a training simulator. Report includes a master\u27s thesis on detailed hardware design for interfacing transputer hardware to the NeXT computer

Traffic Scheduling in Point-to-Multipoint OFDMA-based Systems

The new generation of wireless networks (e.g., WiMAX, LTE-Advanced, Cognitive Radio) support many high resource-consuming services (e.g., VoIP, video conference, multiplayer interactive gaming, multimedia streaming, digital video broadcasting, mobile commerce). The main problem of such networks is that the bandwidth is limited, besides to be subject to fading process, and shared among multiple users. Therefore, a combination of sophisticated transmission techniques (e.g., OFDMA) and proper packet scheduling algorithms is necessary, in order to provide applications with suitable quality of service. This Thesis addresses the problem of traffic scheduling in Point-to-Multipoint OFDMA-based systems. We formally prove that in such systems, even a simple scheduling problem of a Service Class at a time, is NP-complete, therefore, computationally intractable. An optimal solution is unfeasible in term of time, thus, fast and simple scheduling heuristics are needed. First, we address the Best Effort traffic scheduling issue, in a system adopting variable-length Frames, with the objective of producing a legal schedule (i.e., the one meeting all system constraints) of minimum length. Besides, we present fast and simple heuristics, which generate suboptimal solutions, and evaluate their performance in the average case, as in the worst one. Then, we investigate the scheduling of Real Time traffic, with the objective of meeting as many deadlines as possible, or equivalently, minimizing the packet drop ratio. Specifically, we propose two scheduling heuristics, which apply two different resource allocation mechanisms, and evaluate their average-case performance by means of a simulation experiment

The Trinity Reporter, Spring 2006

https://digitalrepository.trincoll.edu/reporter/2097/thumbnail.jp

Proceedings of the Caltech Conference on Very Large Scale Integration, held at the California Institute of Technology 22 - 24 January 1979 ; Organized by the Caltech Computer Science Department and the Caltech Industrial Associates Office

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Autobiography, memory and the playwright

The thesis is made up of two plays and a piece of writing that is a reflection and critical sharing of a developmental and critical process of writerly development. The thesis explores the use of memory and autobiography in playwriting and is concerned with the development and enhancement of playwriting through a process experienced and analysed by its author.The work draws upon recent psychological research into memory, particularly the idea that memories can be manipulated. The work of Mazzoni and Geraerts enables links between scientific psychology and narrative fiction and autobiography to be explored. Explorations of memory, narrative and the construction of self feed directly into the first of two plays, That Berlin Moment, in which a group of characters grapple with the implications of lost, false and unwillingly recovered memories.The thesis includes individual and comparative analyses of my own work alongside that of three other dramatists: Anthony Minghella, James Graham and Richard Bean. Much of this work is drawn from a series of interviews with each playwright, which focused on uses of autobiographical material. Ideas about appropriation and adaptation are significant in focusing and developing this material. Informed by this analysis, the second play, Petticoat Lane, represents an attempt to push further with autobiographical writing, developing characters and situations based closely on my own memories, whilst incorporating insights gained from the scientific and theoretical work on memory.The thesis is an articulation of a self-conscious process of writerly development, which suggests an unexpected connection between autobiographical and applied drama playwriting. Rather than setting up an opposition between self, creativity and original imaginary worlds on the one hand, and social utility and empowerment and political concern on the other, this process has opened up new ways of understanding the potential for playwriting to provoke and enable positive change