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52231 Teletraffic Engineering
Danish title: Data- og teletrafikteori

Type: Å, Language: E
Credit points: 5 point
Previous course: C4963
Offered by: Department of Telecommunication (TELE)
No credit points with: C4963
Prerequisite: 01142/04041/04040
Recommended semester: 4th semester or later
Scope and form: 2 modules per week for lectures and 2 hours per week for exercises. Guest lectures. Field trips.
Examination: Written exam (13 point scale )
Remarks: 52431 Projects in Telecommunication is a continuation. Specialized Seminar Courses are offered within the field.
Contact person: Villy Bæk Iversen, TELE, Building 371, Tel. +45 4525 3648, E-mail vbi@tele.dtu.dk
Aim: To practice the application of mathematical methods and models based on probability theory for performance evaluation of telecommunication and data communication systems. This includes both telephone exchanges and networks, as well as computer systems and data networks. Furthermore, to introduce principles of optimisation as a tool in solving planning and decision problems for these systems
Contents: Introduction. Man-machine systems: Structure, strategy and user requirements. The modelling process. Basic traffic process. Basic traffic concepts.
The stochastic elements of the traffic process: time distributions and arrival processes. Birth and Death processes. Concept of statistical equilibrium.
Telephone systems: Loss systems with full availability. Erlang, Engset and Pascal traffic. Integrated service systems with multi-rate traffic. Limited availability and overflow theory. Switching networks. Dimensioning principles, Moe's principle.
Data systems: The Erlang delay system. Machine repair model. Multi-dimensional delay systems. Queueing models for computer systems. Queueing networks.
Traffic measurements