Modulation and Transmission Systems
|Flow||T - Electromagnetic Waves and Telecommunication|
|Category||Obligatory (main flow)|
|Class Hours - Lab Hours||4 - 0|
|Lecturers||Panagiotis Cottis, Iakovos Venieris|
Signal processing in digital communication systems. Filtering and amplification of digital signals. Frequency conversion. Multilevel modulation. Amplitude/phase modulation schemes. Frequency modulation schemes. Pulse shaping. Raised cosine pulses. Error performance of multilevel modulation schemes in AWGN channels. Fading. Adaptive transmission. Power control. Diversity protection. Theory and technologies of switching systems including internet routers, optical switches, wireless switches, packet and circuit switches. Packet scheduling algorithms, multicast copy techniques, call splitting. Classification of switching architectures, space and time division switching, buffering techniques and performance. Input-buffered switches, crossbar, shared memory switches, Banyan, sorting networks, Knockout. Optical switches, optical CDMA, high speed TDM, wavelength division switches. Scheduling algorithms (PIM, iRRM, iSLIP, DRRM). Internet switching, IP route lookup algorithms, buffer management techniques. Wireless switches, mobility support. Examples of switching technologies.