EC8652 WIRELESS COMMUNICATION Anna University Syllabus Regulation 17

EC8652 WIRELESS COMMUNICATION Anna University Syllabus Regulation 17

EC8652         WIRELESS COMMUNICATION 

OBJECTIVES:

 To study the characteristic of wireless channel
 To understand the design of a cellular system
 To study the various digital signaling techniques and multipath mitigation techniques
 To understand the concepts of multiple antenna techniques

UNIT I WIRELESS CHANNELS 

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

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

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

Equalisation – Adaptive equalization, Linear and Non-Linear equalization, Zero forcing and
LMS Algorithms. Diversity – Micro and Macro diversity, Diversity combining techniques,
Error probability in fading channels with diversity reception, Rake receiver.

UNIT V MULTIPLE ANTENNA TECHNIQUES 

MIMO systems – spatial multiplexing -System model -Pre-coding – Beam forming –
transmitter diversity, receiver diversity- Channel state information-capacity in fading and
non-fading channels.





MG8591 Principles Of Management Syllabus Regulation 2017 Anna University


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