SYLLABUS

Course objectives:

1. To understand the concept and implementation of frequency reuse and Handoff techniques and to analyze interference and capacity enhancement.

2. To appreciate the factors influencing outdoor and indoor propagation systems and to analyze various multiple access protocols based on their merits and demerits.

3. To visualize the system architectures and implementation of GSM and CDMA based mobile communication systems.

4. To understand the concepts in various Mobile Technologies

 

UNIT-I

Basic Cellular system and its operation, frequency reuse, channel assignment strategies, Handoff

process, factors influencing handoffs, handoffs in different Generations, Interference and system capacity, Cross talk, Enhancing capacity and cell coverage, Trunked radio system. Manual and

Automatic Electronic Exchanges.

 

UNIT-II

Free space propagation model, three basic propagation mechanisms, practical link budget design using path loss models, outdoor propagation models: Durkin’s model and indoor propagation model, partition losses. Small scale multipath propagation, Parameters of mobile multipath channels, types of small scale fading. Cell Tower Antenna/radiation pattern, Mobile antennas/ radiation patterns

 

UNIT-III

Data multiple access Technologies in Communication: FDMA, TDMA, SSMA, FHMA, CDMA, SDMA, Packet radio protocols, CSMA, Reservation protocols time Frame details.

 

UNIT-IV

GSM: Services and Features, System architecture, Radio Sub system, Channel Types, Frame structure and Signal processing.

 

CDMA: Digital Cellular standard IS-95, Forward Channel, Reverse Channel.

 

UNIT-V

Comparison of Mobile communication Technologies: 1G, 2G and 2.5G, technology Features of 3G and 4G and 5G, WLAN, Bluetooth, PAN, Trends in Radio and Personal Communications, UMTS system architecture and Radio Interface.

 

Suggested Reading:

1. Theodore.S.Rappaport, “Wireless Communications: Principles and Practice,” 2/e, Pearson Education, 2010.

2. William. C.Y. Lee, “Mobile Communication Engineering,” 2/e, Mc-Graw Hill, 2008.

3. T.L. Singal “Wireless Communication Systems,” 1/e, TMH Publications, 2010.

4. William.C.Y.Lee, “Mobile Cellular Telecommunications: Analog and Digital Systems,” 2/e, Mc-Graw Hill, 2011.