EC2401 WIRELESS COMMUNICATION Lecture Notes for ECE - Seventh (7th) semester -by R.Anirudhan

EC2401 WIRELESS COMMUNICATION Lecture Notes for ECE - Seventh (7th) semester


EC2401 Lecture Notes

Syllabus :

UNIT I SERVICES AND TECHNICAL CHALLENGES
Types of Services, Requirements for the services, Multipath propagation, Spectrum
Limitations, Noise and Interference limited systems, Principles of Cellular networks,
Multiple Access Schemes.

UNIT II WIRELESS PROPAGATION CHANNELS
Propagation Mechanisms (Qualitative treatment), Propagation effects with mobile radio,
Channel Classification, Link calculations, Narrowband and Wideband models.

UNIT III WIRELESS TRANSCEIVERS
Structure of a wireless communication link, Modulation and demodulation – Quadrature
Phase Shift Keying, /4-Differential Quadrature Phase Shift Keying, Offset-Quadrature
Phase Shift Keying, Binary Frequency Shift Keying, Minimum Shift Keying, Gaussian
Minimum Shift Keying, Power spectrum and Error performance in fading channels.

UNIT IV SIGNAL PROCESSING IN WIRELESS SYSTEMS
Principle of Diversity, Macrodiversity, Microdiversity, Signal Combining Techniques,
Transmit diversity, Equalisers- Linear and Decision Feedback equalisers, Review of
Channel coding and Speech coding techniques.

UNIT V ADVANCED TRANSCEIVER SCHEMES
Spread Spectrum Systems- Cellular Code Division Multiple Access Systems- Principle,
Power control, Effects of multipath propagation on Code Division Multiple Access,
Orthogonal Frequency Division Multiplexing – Principle, Cyclic Prefix, Transceiver
implementation, Second Generation(GSM, IS–95) and Third Generation Wireless
Networks and Standards



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