Wireless Technology

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Unit I: Wireless Communication Fundamentals
Introduction, wireless transmission – frequencies for radio transmission – signals – antennas – signal propagation – multiplexing – modulation – spread spectrum – cellular systems – medium access control – specialized MAC – SDMA – FDMA – TDMA – aloha – CSMA – collision avoidance – polling – CDMA – comparison of S/T/F/CDMA
Unit II: TELECOMMUNICATION NETWORKS/SYSTEM
Telecommunication systems – mobile services – system architecture – radio interface – protocols – localization and calling – handover – security – new data services – satellite systems- broadcast systems – digital audio broadcasting – digital video broadcasting, WDM Optical networks.
Unit III: Wireless LAN
Wireless LAN – infrared Vs radio transmissions – infrastructure and adhoc networks – IEEE 802.11 b/a/g – bluetooth – IEEE 802.16, Mobile network layer – mobile IP – packet delivery – registration – tunneling and encapsulation – optimizations – reverse tunneling – dynamic host configuration protocol
Unit IV: AD-HOC NETWORKS
Adhoc networks – routing – algorithms – metrics – mobile transport layer – TCP – indirect TCP – snooping TCP – mobile TCP – retransmission – recovery – transaction oriented TACP
Unit V: SUPPORT FOR MOBILITY
Support for mobility – file systems – WWW – WAP – architecture – datagram protocol – transport security – transaction protocol – session protocol – application – environment – WML – WML script – wireless telephony application.

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