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2010/1 Module Catalogue
Module Provider: Electronic Engineering Short Name: EEM.PTN
Level: M Module Co-ordinator: SUN Z Prof (Elec Eng)
Number of credits: 15 Number of ECTS credits: 7.5
Module Availability

Autumn semester

Assessment Pattern

Components of Assessment
Percentage Weighting
Closed-book examination

Module Overview

This module covers the fundamental and advanced topics on telecommunications and packets networks.




Contact School for details

Module Aims

The aim of this module is to:



·         To introduce the principles of modern telecommunications and packet networks



·         To introduce analytical modelling concepts as a base for quantitative analysis of network performance.



·         To explain the design principles of telecommunications and packet networks and the delivery of service quality.



Learning Outcomes

Students taking this module will have a detailed knowledge of modern telecommunications and packet networks. On successful completion of the module, students will be able to:



·         Illustrate telecommunication and packet network principles and architectures.



·         Understand analogue and digital transmission mechanisms and the factors affecting signal quality.



·         Illustrate the benefits of layered protocol architectures for packet communications.



·         Be able to analytically model and evaluate flow and error control protocols.



·         Comprehend and critically evaluate different packet network protocol architectures.



·         Understand the basics of queuing theory and be able to apply it to teletraffic performance analysis.




Module Content

  • Network architectures and Systems, Prof. Barry Evans, 4h


1. Development of telecommunications and packet network architectures; local, national and international transmissions; switching and routing elements, PDH and SDH.



2. Layered networks, standards, circuit and packet switching, transition to IP, management.



3. Local access: ASDL, PON, fibre, cable, radio, WiMax.



4. Mobile cellular, Internet and ISP.





  • Transmission Principles and Systems, Prof. Barry Evans, 8h


5. Service & Signal Characteristics – Types and nature of services, Position in a layered network, Description of signals-waveform, frequency, power, spectrum, Fourier, bandwidth, filters. Power description dBm, dBr, and dBmOp. Speech weighting, video, (FDM, TDM) and digital, data formats; transmission levels: Multiplex. TDM/FDM, simplex/duplex channels.



6. Physical Communication Channels (radio/fibre/lines) - Radio – FSL – radio tx in troposphere; Fibre types: systems, loss, dispersion lines: loss, dispersion, reflection, matching.



7-8. Signal Impairments - Noise, types- thermal noise definitions, noise figure/factor temperature calculation systems. Dispersion cables & fibres, crosstalk, clipping, intermodulation. Local loop BRL, echo & stability, echo cancellation & control, reference equivalent, loudness rating.



9. Design for Quality of Service (QoS) - Examples of design for QoS, radio system, ber/% availability, fibre optic system, loss & dispersion. Cable system, loss/crosstalk/dispersion.



10. Digital Transmission - Elements of digital transmission system, baseband & bandpass. Baseband processing; source coding, channel coding, encryption, multiplex, line coding, modulation, source coding for speech, video and ideas of TDM; PDH and SDH.



11. Baseband Digital Transmission -BER for baseband signalling, equalisation, pulse shaping, regeneration, line codes properties & applications of design in cable & fibre system.



12. Bandpass Digital Transmission - Modulation – ASK/FSK/PSK, BER, bandwidth & filtering. Multi-level schemes & QAM where used, radio, cable (XDSL).





  • Circuit switching signalling and networking, Prof. Zhili Sun (3h)


13. Circuit switching systems – subscribe switching units, digital telephone switching systems, PBX, digital exchange structures, ISDN exchanges.



14. Signalling and control – signalling and common channel signalling systems, ITU common channel signalling system no.7 (SS7)



15. Call control – exchange control systems, intelligent networks, and future network intelligence.





  • Packet Networks, Prof. Zhili Sun, 6h


16.    Open Systems - Packet networks and open systems standards, the OSI Reference Model.



17-18.   Link Layer Principles and Protocols - Asynchronous and synchronous techniques, framing, synchronisation, Flow and Error Control, Performance Analysis.



19-21. Network and Transport Protocols - Flow, error and congestion control. Circuit vs Packet Switching, ATM, the Internet Protocol (IP) and MPLS.





  • Teletraffic Engineering, Prof. Zhili Sun, 9h


22.   Modelling telecommunication systems: system structure, operational strategy, statistical properties of traffic, models



23. ITU-T recommendations on traffic engineering - Traffic demand characterisation, Grade of Service (GoS) objectives; Traffic controls and dimensioning; Performance monitoring.



24. Traffic concepts and grade of services (GoS) - Concept of traffic and traffic unit in Erlang, traffic variations and busy hour, blocking concept, traffic generation and subscribers reaction, QoS and GoS



25. Probability theory and Statistics – Distribution functions, characterisation of distribution functions, residual lifetime., exponential distribution, Erlang-k distributions.



26-27. Erlang’s loss system and B-formula – Poisson distribution, state transition diagram, derivation of state probability, traffic characteristics of the Poison distribution, traffic characteristics of Erlang’s B-formula



28. Erlang’s delay system - Erlang’s C-formula, numerical evaluation, mean queue length, mean waiting time, M/M/1, M/M/n queues.



29. Network planning and designing – traffic metrics, capacity planning, Kruithof’s double factor method, approximate end to end calculations methods; exact end to end calculations methods, optimal resource allocation. Overall design – bringing it all together.



Methods of Teaching/Learning

Lectures: Total 30 hours of lectures (3 per week) plus problem-solving and revision sessions.



Labs: none



Assignment(s): none, but providing sheets to solve.

Selected Texts/Journals

·         Andy Valdar, Understanding Telecommunications Networks, IET Telecommunications Series 52, 2006. ISBN: 0-86341-362-5. A



·         Ian A. Glover. and Peter M. Grant, Digital Communications, 2nd ed., Prentice Hall, 2004. 0-130-893994.



·         Villy B. Iversen, Teletraffic Engineering Handbook, ITU-D Study Group 2, Question 16/2, June 2006.




Last Updated

30th July 2009