Alternate routing in telephone networks and the evaluation of marginal capacities

Gentle, N. F. (1969). Alternate routing in telephone networks and the evaluation of marginal capacities Master's Thesis, School of Computer Science and Electrical Engineering, The University of Queensland.

       
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Author Gentle, N. F.
Thesis Title Alternate routing in telephone networks and the evaluation of marginal capacities
School, Centre or Institute School of Computer Science and Electrical Engineering
Institution The University of Queensland
Publication date 1969
Thesis type Master's Thesis
Total pages 212
Collection year 1969
Language eng
Subjects 700302 Telecommunications
Formatted abstract A computer program was developed to calculate marginal capacities of full availability groups. The results obtained were compared with results published by L.M. Ericsson and were found to agree with a mean difference of 0.3%. A further computer program was developed to calculate marginal capacities of geometric groups. Results were obtained for most cases of practical interest. The results from both programs were then used in the design of typical networks. Comparisons were made between designs using an approximate method due to N.M.H. Smith and the marginal overflow method of Pratt. The marginal overflow method gave designs which were slightly cheaper than those using Smith's method. Indications were found that Smith's method over provided on direct routes. An equation was developed to approximate the results of the computer program. This equation can give values of marginal capacity which are within 10% of the true value for almost all practical cases.
Keyword Telephone

 
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