WIRELESS COMMUNICATIONS AND NETWORKS (Common to Electronics & Communications Engineering, Electronics& Control Engineering)





1.  a) Distinguish between FDMA and TDMA with neat sketches. b) Explain the different protocols used in packet radio.


2.  a) Bring out the differences between wireless networks and fixed telephonenetworks. b) Write short notes on packet switching.


3.  a) Explain the working of CDPD networks with a neat block diagram.
b) Draw the block diagram of ISDN and Explain two interfaces used in networks.


4.  a) Explain the operation of Mobile IP.
b) Mention the important capabilities of WML script.


5.  a) What is Infrared LAN? Explain 3 differenttransmission techniques that areused iInfrared LAN.
b) Mention the services provided by IEEE 802 in detail.


6.  a) Discuss the security issues in Bluetooth.
b) Discuss the three error correction schemes that are used in Bluetooth.


7.  a) Draw the GPRS system architecture and explain how the Mobility support is achieved.
b) Explain the SMS scheme in GSM.


8.  a) Discuss the types of  hand over in WATM. b) Write short notes on WPAN.


1.  a) Explain FDMA, bringing out the features of FDMA.
b) What is packet Radio? Explain the pure ALOHA protocol in detail.


2.  a) Write short notes on second Generation wireless networks.
b) Draw the Hierarchy of x.25 protocol in OSI model and Explain.


3.  a) Explain about ARDIS networks.
b) Draw the common channel signaling (ccs) network architecture and Explain.


4.  a) Discuss the Tunneling in Mobile IP.
b) Mention the salient features of WML Scripts.


5.  a) Write short notes on Narrow band Microwave LANS.
b) Describe the function of each layer of protocol with a neat IEEE 802 Architecture.


6.  a) Discuss the Bluetooth Applications in general.
b) Draw the Bluetooth protocol stack and explain each of the elements.


7.  a) What is GPRS? Explain the Hand off management in GPRS. b) Write short notes on Data oriented CDPD networks.

8.  a) Discuss the Generic reference model of WATM mention the WATM services. b)What is HiperLAN ? Mention the functional requirements for Hiper LAN.





WIRELESS COMMUNICATIONS AND NETWORKS (Common to Electronics & Communications Engineering, Electronics& Control Engineering) WIRELESS COMMUNICATIONS AND NETWORKS (Common to Electronics & Communications Engineering, Electronics& Control Engineering) Reviewed by Suresh Bojja on 9/01/2015 07:33:00 AM Rating: 5

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