UNIT 1:
Link Budget design – Small scale fading
Large scale path loss – Path loss models
Free Space and Two-Ray models
Parameters of mobile multipath channels
Doppler spread & Coherence time, fading due to Multipath time delay spread
flat fading – frequency selective fading
fast fading – slow fading.
Time dispersion parameters-Coherence bandwidth
UNIT 2:
Multiple Access techniques - FDMA
Capacity calculations–Cellular concept
Frequency reuse - channel assignment
interference & system capacity
trunking & grade of service
Coverage and capacity improvement
UNIT 3:
Structure of a wireless communication link
Principles of Offset-QPSK
Gaussian Minimum Shift Keying
Error performance in fading channels
UNIT 4:
Linear and Non-Linear equalization
Zero forcing and LMS Algorithms
Diversity – Micro and Macrodiversity
Diversity combining techniques
Error probability in fading channels with diversity reception
Error probability in fading channels with diversity reception(Contd..)
UNIT 5:
Pre-coding - Beam forming
transmitter diversity, receiver diversity
Channel state information
capacity in fading and non-fading channels
capacity in fading and non-fading channels(Contd...)