Course Details

Subject {L-T-P / C} : EE6133 : Mobile Radio Channels { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Prof. Susmita Das

Syllabus

Module 1: Introduction
Evolution of Mobile Radio Systems & recent trends, Cellular concepts: Frequency reuse, Channel assignment strategies, Handoff, Types of Inter-cell interference, Channel Planning, Power control for reducing interference, Various Schemes for Improving coverage and capacity, Dynamic Resource Allocation, Sectorization. 5 Hours

Module 2: Mobile Radio Propagation and Fading
Radio wave propagation, Reflection, Diffraction, Scattering, Path loss and shadowing, Link budget Design, Empirical Path-Loss Models and link budget design, Outage probability under Path loss and Shadowing of channels, Outdoor and indoor propagation models, Multipath propagation and small scale fading, Impulse response, Parameters for mobile multipath channels, Types of small scale fading, Indoor and outdoor statistical models for multi-path Channel fading, Statistical Characterization and Generation of Fading Channel, Analysis of Rayleigh fading simulator, fading statistics, Spectral shape of Doppler spread, Level-Crossing Rate and Average Duration of Fades, Effect of Multipath shape factors for small scale fading
10 Hours

Module 3: Modelling & analysis of mobile radio channels
Parametrization of Sum-of-Sinusoids Channel Models, Frequency-Nonselective Channel Models, Frequency-Selective Channel Models, Space-time Channel Models, Spatial Correlation of Ray-Based Channel Model, Capacity of wireless channel: Frequency selective & fading channels.
5 Hours
Module 4: Equalization and Diversity Techniques
Fundamentals of Equalization Technique, Equalizer types, Linear and non-linear equalizers: ZF, MMSE, MLSE, DFE, etc., Equalizer noise enhancement, Algorithms for Adaptive equalizer (Training & tracking), Space Diversity techniques: Selection Diversity, MRC, EGC, etc.), Moment Generating Functions in Diversity Analysis, Polarization, Frequency, and Time Diversity, Multiple Antenna Wireless system model, Symbol Detection and Multi-antenna BER performances. 8 Hours

Module 5: Channel Estimation
Pilot Structure: Block, Comb & Lattice type, Training Symbol-Based Channel Estimation, Decision-Directed Channel Estimation, Channel Estimation in Fast Time-Varying Channels, Channel Estimation for Multi-Antenna Systems, Advanced Channel Estimation Techniques.
6 Hours

Course Objectives

Course Outcomes

CO1: Basic understanding about the evolution and design concepts of cellular communication. <br />CO2: Knowledge of the statistical characterization of mobile multipath channels through measurement and analysis of parameters of the mobile radio channels. <br />CO3: Developing the skill for estimating the mobile radio channel coefficients and improving the system performance. <br />CO4: Ability to address practical cellular system design and solve the various challenges utilizing appropriate techniques.

Essential Reading

Supplementary Reading

Journal and Conferences