Time Division Multiple Access (TDMA)

Wireless & Mobile Communications

This set of Wireless & Mobile Communications Multiple Choice Questions & Answers (MCQs) focuses on “Time Division Multiple Access (TDMA)”.

1. TDMA systems transmit in a continuous way.
a) True
b) False

2. Preamble contains __________
a) Address
b) Data
c) Guard bits
d) Trail bits

3. __________ are utilized to allow synchronization of the receivers between different slots and frames.
a) Preamble
b) Data
c) Guard bits
d) Trail bits

4. Which of the following is not true for TDMA?
a) Single carrier frequency for single user
b) Discontinuous data transmission
c) No requirement of duplexers
d) High transmission rates

5. Because of _______ transmissions in TDMA, the handoff process in __________
a) Continuous, complex
b) Continuous, simple
c) Discontinuous, complex
d) Discontinuous, simple

6. __________ synchronization overhead is required in TDMA due to _______ transmission.
a) High, burst
b) High, continuous
c) Low, burst
d) No, burst

7. TDMA allocates a single time per frame to different users.
a) True
b) False

8. ___________ of TDMA system is a measure of the percentage of transmitted data that contains information as opposed to providing overhead for the access scheme.
a) Efficiency
b) Figure of merit
c) Signal to noise ratio
d) Mean

9. A TDMA system uses 25 MHz for the forward link, which is broken into radio channels of 200 kHz. If 8 speech channels are supported on a single radio channel, how many simultaneous users can be accommodated?
a) 25
b) 200
c) 1600
d) 1000

10. What is the time duration of a bit if data is transmitted at 270.833 kbps in the channel?
a) 270.833 s
b) 3 μs
c) 3.692 μs
d) 3.692 s

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