IT-702 WMC Assignment Unit 1Q.NoQuestionsMarks

1Explain the architecture of a cellular system.2

2What is the difference between conventional & non conventional communication system?2

3What is mobile computing? Explain application of mobile computing.2

4Is directional antenna is useful for mobile phones? Why? Show How can the gain of an antenna be improved?2

5List five ways of increasing the capacity of cellular system?2

6Describe what is fading? Explain its types.2

7Compute the far field distance for an antenna with maximum dimension of 1 m and operating frequency of 900 MHz?2

8Explain following terms: 1) Handoff 2) GSM 3) OSI layer2

9Write the term in the space, time, frequency and code domain.3

10Analyze the countermeasures in SDMA, TDMA, FDMA and CDMA system.3

11In the time division multiple access, explain demand assignment multiple access with explicit reservation and with implicit reservation.3

12What is the need of wireless system? Explain.3

13Explain the concept of cellular radio system.3

14Explain handoff technique in cellular network.3

15Explain spread spectrum technique.3

16What are the security concerns and how can we address in wireless system? Explain in detail.7

17Distinguish between conventional and satellite radio system. What are the merits and demerits of each system?7

18Compare SDMA, TDMA, FDMA and CDMA in terms of transmission technique, signal propagation.7

19Why wired solutions are not applicable for wireless network? Justify.7

20Explain the concept of frequency reuse in cellular radio system in detail.7

IT-702 WMC Assignment Unit 2Q.NoQuestionsMarks

1What do you understand by mobility management? Explain.2

2What is GPRS? Explain its architecture. 2

3Explain handover scenarios in GSM.2

4Identify what multiplexing schemes are used in GSM and for what purpose? Think of other layers apart from the physical layer.2

5Discuss the typical data rate in DECT? How are they achieved considering the TDMA frames?3

6Write short notes on UMTS & TETRA. Explain the handoff procedure.3

7Describe which type of services does GSM offer? Give some examples and reason why these services have been separated?3

8Write short notes on the following: 1) DECT 2)TETRA 3

9What do you mean by global positioning system? Explain in detail.7

10List the names of various services of GSM. Explain them in detail.7

IT-702 WMC Assignment Unit 3Q.NoQuestionsMarks

1What do you mean by IEEE 802.11 system?2

2What is HIPERLAN? Explain.2

3Write short note on Bluetooth.2

4What do you mean by wireless ATM? Explain.2

5Explain the following problem: (1) Hidden and Exposed terminals problem (2) Near and Far terminals problem3

6Explain Bluetooth protocol and protocol stack.3

7What do you mean by Media Access Control layer? Explain it in detail.3

8Discriminate wireless network standards IEEE 802.11b, IEEE 802.11b & HIPERLAN.3

9Describe the protocol architecture of IEEE 802.11? Explain the concept of broadband radio access network.7

10What are the advantages and disadvantages of Bluetooth based devices as a sensor network? Explain.7