2015-16 Sem II Class: BE(IT) Subject: MC Assignment II

MGM’s College of Engineering, Nanded.
Department of IT
Semester II (2015-16)
Class: BE(IT)       Subject: MC         Assignment II
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1. What are the inter-frame spaces in 802.11? How much time does a 802.11 mobile node have to wait to send CTS signal, and why?
2. Discuss DFWMAC-DCF using CSMA/CA for wi-fi MAC layer.
3. How the hidden terminal problem is solved in IEEE 802.11?
4. Draw and explain IEEE 802.11 MAC packet structure. A receiver receives the following first 10 bits in a packet:

           0001101101

What are the contents of this packet?

5. What are the functions of 802.11 MAC management layer?
6. Compare the power management in 802.11 infrastructure and ad-hoc networks.
7. Which physical interface is used in Bluetooth headset? Why?
8. Draw and explain Bluetooth protocol stack.
9. Define (i) Piconet (ii) Scatternet (iii) LMP and L2CAP.
10. What are the fields of Bluetooth packet header? If an acknowledgement of packet is required, then which fields are set?
11. Draw and enlist major baseband states of a Bluetooth device.
12. What are the major components of GSM architecture? Draw and explain.
13. Why AUC, EIR and OMC are present in OSS of GSM.
14. An app is designed for sharing data between two mobile phones using bluetooth, which physical interface of Bluetooth will be used and why?
15. What are the functional differences between BTS and BSC?
16. What are the components of a GSM mobile station? Which component hides radio details in mobile station?

Faculty Incharge: Hashmi S. A.