Mobile Communication& Network

At the end of the course, students should be able to: 1. describe mobile communication systems and their protocols; 2. explain the difference between analogue and digital cellular systems; 3. discuss GSM technology and its generational standards; and 4. describe wired and wireless networking, routing protocols, and optimisation.

Evolution of mobile radio communications. Examples of mobile radio systems: radio paging, cordless telephones, cellular radio. Trends in cellular radio and personal communications. A basic cellular system, Frequency reuse, Roaming, Hand-off strategies, Co-channel interference, Traffic and Grade of service, System capacity, Improving capacity of cellular system. Propagation path loss, multi-path propagation problem, Rayleigh fading, Rician distribution. Doppler effect. Field strength prediction models, co-channel interference and reduction, adjacent channel interference, near-far problem. Standards and overview of analogue and digital cellular systems: AMPS, TACS, GSM, CT2, PCN, DECT, PHS. Frequency management and channel assignment, speech coding, channel coding, bandwidth consideration, equalisation, modulation techniques, multiple access techniques. GSM: Architecture, elements, and standard interfaces; FDMA/TDMA structure; Speech and channel coding; time slots and bursts; signalling; hand-offs; DCS 1800; GPRS; data services over GSM. Third Generation Wireless Standard: convergence; UMTS; IMT-2000; CDMA2000; WCDMA; UWC-136; Network layer standards. Paging services and technologies; Short Message Services. Call Processing: Signalling; Roaming and mobility management; Route optimisation; Wireless Intelligent Networking; Databases; Protocols; Security and billing issues. Global Positioning System: principles, and applications. Lab Work: Demonstration of different types of mobile radio systems. Illustration of basic features of a cellular system. Working with different analog and digital cellular systems. Demonstration of features of a GSM system. Demonstration of the features of SMS. Illustration of GPS applications.