7EC3-WIRELESS COMMUNICATION |
Units: I-PROPAGATION PHENOMENA |
Fundamentals of fading, Multipath channels, Spread
Spectrum signals: Direct-sequence spread spectrum signals, p-n sequences, Frequency-hopped spread
spectrum signals, Code-division multiplexing.
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Units: II-LINE OF SIGHT MICOWAVE COMMUNICATION |
Link Engineering, Frequency planning, Free
space loss, Fresnel zone clearance bending of radio beam, Effective earth radius, Building blocks of
Transmitter & Receiver. |
Units: III-MULTIPLE ACCESS TECHNIQUES |
FDMA, TDMA and CDMA with reference to mobile radio
and satellite systems. TDMA based networks. CDMA based networks,
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Units: IV-CELLULAR WIRELESS NETWORKS |
GSM: Introduction, overview of the GSM systems, GSM
codec, channel coding and interleaving, radio like control. Cordless systems and WLL, Mobile IP,
Wireless access protocol. Wireless LAN’s: Technology, IEEE 802.11 standards and Blue tooth.
Broadband Wireless 802.16
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Units: V-SATELLITE COMMUNICATION |
Elements of satellite communication: Frequency bands,
Transmission and multiplexing. Modulation, Multiple access. Satellite orbit and description- orbital period
and velocity, effects of orbital inclination, Azimuth and elevation, Coverage angle and slant range,
Geostationary orbit, Satellite description. Earth Station antenna, high-power amplifier, low-noise
amplifier, up converter, down converter, monitoring and control, reliability. Satellite Link: basic link
analysis
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