ECT 402 WIRELESS COMMUNICATION

Course Objectives:

This course aims to introduce students to basic theory and principles of wireless communication
systems in general, and cellular systems in particular. It also introduces basics of radio wave
propagation.

Course Outcomes

CO1: Summarize the basics of cellular system and cellular design fundamentals.
CO2: Describe the wireless channel models and discuss capacity of wireless channels.
CO3:Analyze the performance of the modulation techniques for flat-fading channels and
multicarrier modulation.
CO4: Illustrate how receiver performance can be enhanced by various diversity techniques.
CO5: Identify advantages of various equalization techniques and multiple-access techniques
in wireless communication.
CO6: Calculate system parameters such antenna height, range, maximum usable frequency in
different modes of radio wave propagation.

SYLLABUS

Module 1:
Introduction to Wireless Communication Systems (8 Hours) 1.1 Introduction to Wireless
Communication Systems (4): Generations: 2G, 3G, 4G, 5G. Wireless LAN, Bluetooth and
Personal Area networks, Broadband Wireless Access — WiMAX Technology. Wireless Spectrum
allocation, Standards. 1.2 Cellular System Design Fundamentals (4): Frequency Reuse, channel
assignment strategies, Handoff strategies, Interference and system capacity, trunking and grade
off service, improving coverage and capacity – cell splitting, sectoring, microcells.
Module 2:
Wireless Channels (7 Hours) 2.1 Path loss and shadowing (1): Free space path loss, Two-Ray
model, Shadowing, 2.2 Statistical Multipath Channel Models (4): Time-varying channel impulse
response, Narrowband fading, Wideband fading models, Delay spread and Coherence bandwidth,
Doppler spread and Coherence time, Flat fading versus frequency selective fading, Slow fading
versus fast fading, Discrete-time model. 2.3 Capacity of Wireless Channels (2): Review of
Capacity in AWGN, Capacity of flat fading channel – Ergodic capacity, Capacity with Outage,
Capacity with CSI-R. (Derivations of capacity formulae are not required; Only expressions,
computations and significance required.)

Module 3:
Modulation techniques (7 Hours) 2.1 Digital Signaling for Flat fading Channels (4): Analysis of
Average Error Probability and Outage probability of BPSK in flat-fading channels. 2.2 Multi-
carrier Modulation (3): Data transmission using multicarrier modulation for frequency-selective
fading channels. Overlapping subchannels, Mitigation of Subcarrier Fading, Discrete
Implementation of multicarrier – OFDM. Cyclic prefix, Peak-toaverage-power-ratio.
Module 4 :
Diversity, Equalization, and Multiple Access (8 Hours) 4.1 Diversity (3 hours): Receiver diversity
– selection combining, maximal ratio combining. Transmitter diversity – Alamouti scheme for
2×2 MIMO. 4.2 Equalization (3): Equalization – Linear and non-linear equalization, Zero forcing,
MMSE equalizers. LMS algorithm. Adaptive Equalization. 4.3 Multiuser Systems (2): Uplink and
Downlink, Multiple Access, Frequency-Division Multiple Access (FDMA), Time-Division
Multiple Access (TDMA), Code-Division Multiple Access (CDMA), Orthogonal Frequency-
Division Multiple Access (OFDMA).
Module 5:
Radio Wave Propagation (7 Hours) Ground wave propagation, Plane earth reflection, Space wave and
surface wave, Spherical earth propagation, Tropospheric waves, Ionospheric propagation, Effects of
earth’s magnetic field, Critical frequency, Maximum usable Frequency, Virtual height.

Text Books
1. Andrea Goldsmith, Wireless Communications, Cambridge University Press, 2005
2. Theodore S. Rappaport, Wireless communication: Principles and Practice, 2/e, Pearson Education,
1990

Reference Books

1. David Tse and Pramod Viswanath, Fundamentals of Wireless Communication, Cambridge
University Press, 2005
2. Jochen Schiller, Mobile Communications, Pearson, 2008
3. Andreas F Molish , Wireless Communications, 2nd Edition , Wiley India Publications, 2013
4. W. C. Y. Lee, Mobile Cellular Telecommunication, McGraw Hill,
5. David A. Bell, Operational Amplifiers & Linear ICs, Oxford University Press, 2 nd
edition,2010
Press, 2013.