EC6801 WIRELESS COMMUNICATION Syllabus Semester V IT BTECH Anna University-Regulation-2013

EC6801                                         WIRELESS COMMUNICATION                                         L T P C
3  0  0 3
OBJECTIVES:
The student should be made to:

• Know the  characteristic of wireless channel
• Learn the various cellular architectures
• Understand the concepts behind various digital signaling schemes for fading channels
• Be familiar  the various multipath mitigation techniques
• Understand the various multiple antenna systems

UNIT I          WIRELESS CHANNELS                                                                                                9
Large scale path loss – Path loss models: Free Space and Two-Ray models -Link Budget design – Small scale fading- Parameters of mobile multipath channels – Time dispersion parameters- Coherence bandwidth – Doppler spread & Coherence time, Fading due to Multipath time delay spread – flat fading – frequency selective fading – Fading due to Doppler spread – fast fading – slow fading.
UNIT II          CELLULAR ARCHITECTURE                                                                                      9
Multiple Access  techniques  -  FDMA,  TDMA,  CDMA –  Capacity  calculations–Cellular  concept- Frequency reuse - channel assignment- hand off- interference & system capacity- trunking & grade of service – Coverage and capacity improvement.

UNIT III        DIGITAL SIGNALING FOR FADING CHANNELS                                                         9
Structure of a wireless communication link, Principles of Offset-QPSK, p/4-DQPSK, Minimum Shift Keying, Gaussian Minimum Shift Keying, Error performance in fading channels, OFDM principle – Cyclic prefix, Windowing, PAPR.

UNIT IV        MULTIPATH MITIGATION TECHNIQUES                                                                      9
Equalisation – Adaptive equalization, 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, Rake receiver,

UNIT V         MULTIPLE ANTENNA TECHNIQUES                                                                           9
MIMO systems – spatial multiplexing -System model -Pre-coding - Beam forming - transmitter diversity, receiver diversity- Channel state information-capacity in fading and non-fading channels.
TOTAL : 45 PERIODS OUTCOMES:
At the end of the course, the student should be able to:

• Characterize wireless channels
• Design and  implement  various  signaling  schemes  for fading channels
• Design a cellular system
• Compare multipath mitigation techniques and analyze their performance
• Design and implement systems with transmit/receive diversity and

MIMO systems and analyze their performance

TEXTBOOKS:

1. Rappaport,T.S., “Wireless communications”, Second Edition, Pearson Education, 2010.
2. Andreas.F. Molisch, “Wireless Communications”, John Wiley – India, 2006.

REFERENCES:

1. David Tse  and  Pramod  Viswanath,  “Fundamentals  of  Wireless  Communication”,

Cambridge University Press, 2005.

2. Upena Dalal, “ Wireless Communication”, Oxford University Press, 2009.
3. Van Nee, R. and Ramji Prasad, “OFDM for wireless multimedia communications”, Artech

House, 2000.