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Channel Utilization and Blocking Probability in a Cellular Mobile Telephone System with Directed Retry | IEEE Journals & Magazine | IEEE Xplore

Channel Utilization and Blocking Probability in a Cellular Mobile Telephone System with Directed Retry


Abstract:

A directed retry facility, which enables subscribers in a mobile telephone system to look for free radio channels in more than one cell, is investigated with respect to b...Show More

Abstract:

A directed retry facility, which enables subscribers in a mobile telephone system to look for free radio channels in more than one cell, is investigated with respect to blocking probability and channel utilization. An iterative procedure is devised, by which the dependencies among cells can be illustrated. This procedure makes use of theories developed for overflow systems in classical telephony, and proves to be very accurate for the situations under study. Analytical results are compared with simulations and good agreement is observed. Results show that a substantial improvement, compared with systems without a directed retry facility, can be achieved as far as carried traffic is concerned. The improvement is accomplished at the expense of those subscribers who cannot make use of the directed retry facility due to variations in radio coverage.
Published in: IEEE Transactions on Communications ( Volume: 34, Issue: 4, April 1986)
Page(s): 329 - 337
Date of Publication: 06 January 2003

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