Monday 9 June 2014

Keral University B.Tech Computer Science 2008 Scheme Eigth Semester Mobile and Wireless Networks (Elective-iii) Previous Question

Eigth Semester B.Tech. Degree Examination, April 2014
(2008 Scheme)
08.805(3) MOBILE AND WIRELESS NETWORKS (ELECTIVE-III) (R)


PART-A
Answer all questions.Each qestion carries 4 marks.
  1. What are the main problems of signal propagation?
  2. Who performs MAC algorithm for SDMA? Whatcould be possible roles of mobile stations, bus stations and planning from the network provider ?
  3. What are benefits and disadvantages of reservation schemes?
  4. Which type of different services does GSM offer? Give some examples and reasons why these services have been separated?
  5. What are typical data rates in DECT? How are they achieved considering the TDMA frames?
  6. How do inclination and elevation determine the use of a satellite?
  7. Why is the PHY layer in IEEE 802.11 subdivided? What about HiperLAN2 and Bluetooth?
  8. How does registration on layer 3 of a mobile node work?
  9. What are general problems of mobile IP regarding security and support of quality of service?
  10. How can DHCP be used for mobility and support of mobile IP?