Wireless Communication

1)What is Mobile communication?

• a) Allows to communicate from different locations without the use of physical medium

• b) Allows to communicate from different locations with the use of physical medium

• c) Allows to communicate from same locations without the use of physical medium

• d) Allows to communicate from same locations with the use of physical medium

2. What is wireless communication?

• a) Sending data from one location to with the use of physical medium

• b) Sending data from one location to another without the use of physical medium

• c) Sending data from one location to another without the use of virtual medium

• d) None of the mentioned

3)Draw a block diagram of a GMSK Transmitter.

4)Which of the following is not a linear modulation technique?

• π/4 QPSK

• OQPSK

• BPSK

• FSK

What is the set of possible carrier frequencies in FH-SS?

6)

Which of the following is one of the most frequently used transform in speech coding?

• a) Shearlet transform

• b) Fourier transform

• c) Discrete cosine transform

• d) Wavelet transform

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

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
  

Umbrella cell approach is possible by using _________

• a) Antenna of same heights

• b) Antenna of different heights

• c) Different voice channels

• d) Different control channels

Bit error rate provides the information about the type of error.

• True

• False