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vi This Dissertation is dedicated to my family, all of whom have lent encouragement and support during the time spent on this research and before. vii Acknowledgments I wish to express my sincerest thanks to the chairman of my dissertation committee, Dr. Richard Van Slyke, for working with me throughout this long enterprise. We thank the staff at the… (More)
The Packet Radio System considered as a network is characterized by devices, terminals, repeaters and stations, linked together by broadcast radio channels.
We present a simple, scaleable, distributed simplex implementation for large linear programs. It is designed for coarse grained computation, particularly, readily available networks of workstations. Scalability is achieved by using the standard form of the simplex rather than the revised method. Virtually all serious implementations are based on the revised… (More)
This paper uses probability models on expansive wavelet transform coefficients with interpolation constraints to estimate missing blocks in images. We use simple probability models on wavelet coefficients to formulate the estimation process as a linear programming problem and solve it to recover the missing pixels. Our formulation is general and can be… (More)
Computer communication networks are complex systems often involving human operators, terminals, modems, multiplexers, concentrators, communication channels as well as the computers. Events occur at an extraordinary range of rates. Computer operations take place in micro-seconds, modem and channel operations take place on the order of milliseconds, while… (More)
A major consideration in the original design and in the expansion of any computer-communication network is the provision of a network which will be relatively invulnerable to failures of its components. This paper considers the reliability analysis of such networks. Two indices of reliability for a network are introduced. Methods for the calculation of… (More)