Multiple Input Multiple Output (MIMO)

Wireless & Mobile Communications

This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on “Multiple Input Multiple Output (MIMO)”.

1. MIMO stands for _______
a) Many input many output
b) Multiple input multiple output
c) Major input minor output
d) Minor input minor output

2. In MIMO, which factor has the greatest influence on data rates?
a) The size of antenna
b) The height of the antenna
c) The number of transmit antennas
d) The area of receive antennas

3. MIMO was initially developed in the year __________
a) 1980
b) 1990
c) 1980
d) 1975

4. MIMO is a smart antenna technology.
a) True
b) False
.

5. MIMO technology makes advantage of a natural radio wave phenomenon called _________
a) Reflection
b) Multipath
c) Refraction
d) Diffraction

6. Which of the following technology does not use MIMO?
a) 4G
b) Wifi
c) WiMax
d) AMPS

7. MIMO means both transmitter and receiver have multiple antennas.
a) True
b) False

8. _______ is a technique of transmit diversity used in UMTSS third-generation cellular systems.
a) STTD
b) SM
c) Collaborative Uplink MIMO
d) MU-MIMO

9. _______ is a transmission method used in MIMO wireless communications to transmit encoded data signals independently.
a) STTD
b) SM
c) Collaborative Uplink MIMO
d) MU-MIMO

10. _______ is an additional open-loop MIMO technique considered by the WiMAX vendors.
a) STTD
b) SM
c) Collaborative Uplink MIMO
d) MU-MIMO

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