ANNA University Wireless Communication Notes

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Syllabus:

UNIT I SERVICES AND TECHNICAL CHALLENGES 9
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 9
Propagation Mechanisms (Qualitative treatment), Propagation effects with mobile radio,Channel Classification, Link calculations, Narrowband and Wideband models.

UNIT III WIRELESS TRANSCEIVERS 9
Structure of a wireless communication link, Modulation and demodulation – QuadraturePhase 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 9
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 9
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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