erlanglecture - WIRELESS PERSONAL COMMUNICATIONS SYSTEMS...

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EL501 Fall 2001 David Goodman, September 20, 2001 WIRELESS PERSONAL COMMUNICATIONS SYSTEMS TELETRAFFIC ENGINEERING DAVID GOODMAN DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING POLYTECHNIC UNIVERSITY dgoodman@poly.edu 718-260-3221
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EL501 Fall 2001 David Goodman, September 20, 2001 subscribers channels How many channels are needed? How many subscribers can the system handle? What is the grade of service ?
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EL501 Fall 2001 David Goodman, September 20, 2001 Teletraffic Engineering (branch of queuing theory) How many subscribers? How often do they make/receive calls? How long do the calls last? How many channels are available? •What is the probability that there will be no channel when •one is needed (“blocking”)? •How many channels do I need to stay within a •prescribed blocking probability? •How many subscribers can I accommodate?
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EL501 Fall 2001 David Goodman, September 20, 2001 Notation How many subscribers? K How often to they make/receive calls?
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erlanglecture - WIRELESS PERSONAL COMMUNICATIONS SYSTEMS...

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