Wireless Communication Systems BEC703
Course Code: BEC703
Credits: 04
CIE Marks: 50
SEE Marks: 50
Total Marks: 100
Exam Hours: 03
Total Hours of Pedagogy: 50H
Teaching Hours/Weeks: [L:T:P:S] 4:0:0:0
Principles of Wireless Communications: The Wireless Communication Environment, Modelling of
wireless systems, System model for narrowband Signals, Rayleigh fading Wireless Channel.
The Wireless Channel: Basics of Wireless Channel Modelling, Average Delay Spread in Outdoor Cellular
Channels, Coherence bandwidth, Relation between ISI and Coherence Bandwidth, Doppler fading, Doppler
Impact on a wireless Channel, Coherence Time.
Code Division for Multiple Access (CDMA): Basic CDMA Mechanism, Fundamentals of CDMA codes, Spreading Codes based on PN sequences, Correlation Properties of Random CDMA Spreading Sequences, Advantages of CDMA. Orthogonal Frequency Division Multiplexing (OFDM): Introduction, Motivation and Multicarrier basics, OFDM basics, OFDM Example, MIMO OFDM, OFDM Peak to Average Power ratio, SC-FDMA.
Evolution of Cellular Technologies: First Generation Cellular Systems, 2G Digital cellular systems – GSM
and its Evolution, 3G Broadband Wireless Systems, Key Enabling Technologies and features of LTE, LTE Network Architecture.
Frequency Domain Multiple Accesses: Multiple Access for OFDM Systems, Orthogonal Frequency Division Multiple Access, Single Carrier Frequency Division Multiple Access.
Multiple Input Multiple Output Wireless Communications: Introduction to MIMO Communications, MIMO system Model, MIMO Zero Forcing Receiver, MIMO MMSE Receiver, Singular Value decomposition of MIMO Channel, SVD and MIMO capacity, Alamouti and Space-Time Codes, Nonlinear MIMO receiver: V-Blast, MIMO Beamforming.
Overview and Channel Structure of LTE: Radio Interface Architecture, LTE Design principles, Network Architecture, Radio Interface Protocols, Hierarchical Structure of LTE: Logical Channels, transport Channels and Physical Channels, Channel mapping, Downlink OFDMA Radio resources, Physical Resource Blocks for OFDMA, Uplink SC-FDMA Radio resources.

