27.06.2020_EC8652 WC_MCQ TEST-5

1.MIMO is a _______________________ technology

• Multiple Antenna Transmission and ReceptionTechnique
• Multicarrier Modulation Technique
• Multi User Access Method
• Equalization Technique

2.MIMO can be implemented at____________________

• Transmitter only
• Receiver only
• Both Transmitter and Receiver
• None of the above

3. The ultimate goal of Multiple Antenna Techniques are to_______________________

• Increase Channel Capacity
• Decrease the number of users accessing the spectrum
• Reduce the noise
• Improve the gain

4.The antennas at each end of the communications circuit are combined to ________________________.

• minimize errors
• optimize the data speed.
• both the above options

5.The shannon's channel capacity theorem is mathematically represented as_________________

• C= W log_2 (1+S/N)
• C= W log_10 (1+S/N)
• C= W log_2 (S/N)
• C= W log_2 (1+S/N)^2

6. SISO have the following correspondence between Number of Transmitters and Number of Receivers.

• one :one
• 1:Nr
• Nt:1
• Nt:Nr

7. MISO have the following correspondence between Number of Transmitters and Number of Receivers.

• one :one
• 1:Nr
• Nt:1
• Nt:Nr

8. SIMO have the following correspondence between Number of Transmitters and Number of Receivers.

• one :one
• 1:Nr
• Nt:1
• Nt:Nr

9. MIMO have the following correspondence between Number of Transmitters and Number of Receivers.

• one :one
• 1:Nr
• Nt:1
• Nt:Nr

10. The capacity of a SISO model is

• C= W log_2 (1+S/N)
• C= W log_2 (1+2*S/N)
• C= 2W log_2 (1+S/N)
• C= W log_2 (1+S/N)^2