Syllabus
Unit 1
Introduction to wireless communications – Large scale path loss – Free space propagation model – Two ray model – Practical link budget design – Outdoor and indoor propagation models. Small scale multi path propagation – Impulse response model of a multi path channel – Parameters of mobile multi path channels – Types of small scale Fading
Unit 2
Rayleigh and Rician distributions –Statistical models for multipath fading channels – Theory of multipath shaping factors – Equalization – Linear – Decision feedback – Adaptive equalizers – Training and tracking. Diversity – Receiver diversity – Transmitter diversity.
Unit 3
Capacity of wireless channels – Capacity in AWGN – Flat fading channels –Frequency selective channels – Time invariant and variant channels – Performance of digital modulations over wireless channels – AWGN and Fading channels.