QUIZ - 1021EC112 WIRELESS COMMUNICATION

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1. Which of the following is a universally adopted shape of cell?

• a) Square
• b) Circle
• c) Triangle
• d) Hexagon

2. For a cellular system, if there are N cells and each cell is allocated k channel. What is the total number of available radio channels, S?

• a) S=k*N
• b) S=k/N
• c) S=N/k
• d) S=kN

3. What is a frequency reuse factor for N number of cells in a system?

• a) N
• b) N2
• c) 2*N
• d) 1/N

4. Capacity of a cellular system is directly proportional to __________

• a) Number of cells
• b) Number of times a cluster is replicated
• c) Number of Base stations
• d) Number of users

5. A spectrum of 30 MHz is allocated to a cellular system which uses two 25 KHz simplex channels to provide full duplex voice channels. What is the number of channels available per cell for 4 cell reuse factor?

• a) 150 channels
• b) 600 channels
• c) 50 channels
• d) 85 channels

6. RSSI stands for ________

• a) Received Signal Strength Indicator
• b) Restricted Signal Strength Indicator
• c) Radio Signal Strength Indication
• d) Restricted System Software Indicator

7. What is the condition for handoff?

• a) A mobile moves into a different cell while in conversation
• b) A mobile remains in the same cell while in conversation
• c) A mobile moves to different cell when idle
• d) A mobile remains in the same cell and is idle

8. The time over which a call can be maintained within a cell without handoff is called _________

• a) Run time
• b) Peak time
• c) Dwell time
• d) Cell time