Top 150+ Solved Mobile Communication MCQ Questions Answer
Q. Small scale propagation model is also known as _______
a. Fading model
b. Micro scale propagation model
c. Okumura model
d. Hata model
Q. Which of the following techniques do not help in expanding the capacity of cellular system?
a. Sectoring
b. Scattering
c. Splitting
d. Microcell zone concept
Q. Which of the following technology distributes the coverage of the cell and extends the cell boundary to hard-to-reach places?
a. Cell splitting
b. Scattering
c. Sectoring
d. Micro cell zone concept
Q. Cell splitting increases the capacity of a cellular system since it increases the number of times ________ are reused.
a. Cells
b. Channels
c. Transmitters
d. Mobile stations
Q. Small scale variations of a mobile radio signal are directly related to _______
a. Impulse response of mobile radio channel
b. Impulse response of base station
c. Frequency response of antenna
d. Frequency response of base station
Q. Discretization of multipath delay axis of impulse response into equal time delay segments is called __________
a. Excess delay bins
b. Delay bins
c. Discrete bins
d. Digital bins
Q. In cellular telephone network, which component controls the switching between public wireline telephone network and the base station of cells for supporting the different calls between landline to mobile, mobile to landline and mobile to mobile calls?
a. Electronic Switching Center (ESC)
b. A Cell Controller
c. Radio Transmitter & Receiver
d. A common communication protocol
Q. In a cellular telephone system, which type of interference results from imperfect design of filters in receivers by allowing nearby frequencies to enter the receiver?
a. Co-channel Interference
b. Adjacent-channel Interference
c. Both a and b
d. None of the above
Q. If the system is designed with the usage of hexagonal-shaped cells, how are the base-stations located?
a. At the centre of cell
b. At the edge of cell
c. At the corner of the cell
d. All of the above
Q. Which of the following is not an advantage of micro cell zone technique?
a. Reduced co channel interference
b. Improved signal quality
c. Increase in capacity
d. Increasing number of base stations
Q. Which of the following is not a channel parameter?
a. Bandwidth
b. Coherence time
c. Rms delay spread
d. Doppler spread
Q. Flat fading channel is also known as _____
a. Amplitude varying channel
b. Wideband channel
c. Phase varying channel
d. Frequency varying channel
Q. For fast fading channel, the coherence time of the channel is smaller than _______ of transmitted signal.
a. Doppler spread
b. Bandwidth
c. Symbol period
d. Coherence bandwidth
Q. The time dispersive properties of wideband multipath channel are quantified by ______ and _______
a. Mean excess delay, rms delay spread
b. Doppler spread, rms delay spread
c. Doppler spread, coherence time
d. Mean excess delay, Doppler spread