Multi-Service and Multimedia Networks

Introduction to wireless and wired solutions for multi-services and multimedia networks. Basics of optical and radio transmission, modulation and coding methods, multiple access and error correction. Main networks structures and protocols. Examples of optical, radio and wired transmission systems, broadband radio and optical networks.


Lecture contents

1. Introduction. History of wire and wireless communication. Elements of transmission system. Information and signals. Analog and Digital Data Transmission. Channel Capacity. Transmission Media. Multiplexing. Coding and transmission methods. Multiple access methods. (4h).


2. Basics of optical transmission. Multi-mode, single-mode, power budget, WDM (2h).


3. Basics of radio transmission. Propagation issues, radio link calculations, frequency management. Antennas. Propagation Models. Line-of-Sight Transmission. Fading in the Mobile Environment. Signal Encoding. Spread Spectrum techniques (FHSS, DSSS). Code Division Multiple Access. Error Detection. Block Error Correction Codes. Convolutional Codes. Automatic Repeat Request. (4h).


4. Network structures and protocols. Backbone networks, digital hierarchy (PDH, SDH). Service nodes. Access networks. Switching Techniques (circuit-switching, packet-switching). The OSI Protocol Architecture. Protection methods. Communication protocols (Asynchronous Transfer Mode, TCP/IP Protocol Architecture, CAS, ISDN) (4h)


5. Optical access systems. Narrowband and broadband systems. FITL. FSAN (2h)


6. Last mile techniques (HDSL, SDSL, ADSL, VDSL, PLC) (4h)


7. Multimedia HFC networks: network structures, add-on services, digital video transmission, VoD, broadband cable transmission systems (2h)


8. Broadband radio systems. Wireless personal, local, metropolitan and wide area networks (UWB, WiMax, Hiperlan, 802.11x). Cellular systems (GSM, UMTS, MBS). Point-to-point and point-to-multipoint communication systems (LMDS, MMDS). Satellite systems (8h)



Projects contents
Design and simulation of different (wired, radio, optical and satellite) transmission systems

1. William Stallings, Wireless Communications and Networks, Prentice Hall, New Jersey, 2002


2. Harry R. Anderson, Fixed Broadband Wireless System Design, John Wiley and Sons Ltd., London, 2003


3. Bernard Sklar, Digital Communications. Fundamentals and applications, Prentice Hall, New Jersey, 2001