Learn · Introduction to Wireless and Cellular Communications
Lecture 3 of 56Week 1 : Overview of Cellular Evolution and Wireless Technologies
Overview of Cellular Systems - Part 3
Prof. David Koilpillai · IIT Madras
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- Introduction to Wireless and Cellular Communications, IIT Madras (at NPTEL)
- Licence
- CC BY-NC-SA, as NPTEL states it. Non-commercial use only.
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- NPTEL states: "Distributed under Creative Commons Attribution-ShareAlike / CC BY - NC - SA", beside a BY-NC-SA badge.
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All the lectures
- Overview of Cellular Systems - Part 1
- Overview of Cellular Systems - Part 2
- Overview of Cellular Systems - Part 3
- 5G and other Wireless Technologies
- Lec 5: Basic Cellular Terminology
- Lec 6: Introduction to Antennas and Propagation Models
- Lec 7: Link budget, Fading margin, Outage
- Lec 8: Cellular Concept
- Lec 9: Cellular system design and analysis
- Cellular Geometry & System Design
- Cellular System Capacity, Trunking
- Handoff & Mobility
- Handoff Part 2, Classification of Signal Variation
- Shadowing, Outage, Multipath
- Rayleigh Fading and Statistical Characterization
- Properties of Rayleigh Distribution
- BER in Fading, Narrowband vs Wideband Channels
- Characterization of Multipath Fading Channels
- Choice of Modulation
- Coherent versus Differential Detection
- Review of Lec 1-19
- Coherent vs Differential Detection - Part II and BER in Fading
- BER in Fading - Part II, Ricean Fading
- Ricean and Nakagami Fading, Moment Generating Function (MGF)
- MGF Part II, WSSUS Model
- WSSUS Part II, Coherence Time, Doppler Spectrum
- Doppler, Temporal Characteristics of Fading Channels
- WSSUS – Characterization of Time Dispersive Fading Channels
- WSSUS – Classification of Fading Channels
- Practical Channel Models (ITU, COST), Computer generation of Rayleigh fading
- Rayleigh Fading simulation - Clark and Gans Method, Jakes’ Method
- Jakes’ Method properties
- Introduction to Diversity, Antenna selection diversity
- Statistical Characterization of Antenna Diversity, Optimal Diversity Combining
- BER in fading, Equal Gain Combining
- Array Gain, Diversity Gain, Alamouti Scheme
- Alamouti Scheme – Part II, Channel Capacity
- Capacity of fading Channels, Capacity with Outage
- Channel State Information, Optimum Power Allocation
- Review of lecture 19 to lecture 36
- Optimum Power Allocation – Water filling
- Optimum Power Allocation – Water filling – Part II
- Intro to Direct Sequence Spread Spectrum Communications
- Properties of Spreading Sequences
- Properties of Spreading Sequences – Part 2
- Introduction to CDMA
- Features of cdma2000 and WCDMA
- Rake Receiver for multipath channels
- Multiuser environment
- CDMA system Capacity
- CDMA Multiuser Detectors – Part 1
- CDMA Multiuser Detectors – Part 2
- Lecture 52
- Lecture 53
- Lecture 54
- Lecture 55