WCT Quiz 1

Cellular concept replaces many low power transmitters to a single high power transmitter.

• True

• False

What is frequency reuse?

• Process of selecting and allocating channels

• Process of selection of mobile users

• Process of selecting frequency of mobile equipment

• Process of selection of number of cells

Why neighbouring stations are assigned different group of channels in cellular system?

• To minimize interference

• To minimize area

• To maximize throughput

• To maximize capacity of each cell

Actual radio coverage of a cell is called __________

• Fingerprint

• Footprint

• Imprint

• Matrix

Which type of antenna is used for center excited cells?

• Dipole antenna

• Grid antenna

• Sectored antenna

• Omnidirectional antenna

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

• N

• N²

• 2*N

• 1/N

Capacity of a cellular system is directly proportional to __________

• Number of cells

• Number of times a cluster is replicated

• Number of Base stations

• Number of users

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?

• 150 channels

• 600 channels

• 50 channels

• 85 channels

What is the condition for handoff?

• A mobile moves into a different cell while in conversation

• A mobile remains in the same cell while in conversation

• A mobile moves to different cell when idle

• A mobile remains in the same cell and is idle

Handoff does not require voice and control channel to be allocated to channels associated with the new base station. State whether True or False.

• True

• False