Explore topic-wise MCQs in Wireless Mobile Communications.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless Mobile Communications knowledge and support exam preparation. Choose a topic below to get started.

1.

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
Answer» E.
Discussion
2.

___________ 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
Answer» B. Figure of merit
Discussion
3.

__________ synchronization overhead is required in TDMA due to _______ transmission.

A. High, burst
B. High, continuous
C. Low, burst
D. No, burst
Answer» B. High, continuous
Discussion
4.

Because of _______ transmissions in TDMA, the handoff process in __________

A. Continuous, complex
B. Continuous, simple
C. Discontinuous, complex
D. Discontinuous, simple
Answer» E.
Discussion
5.

__________ are utilized to allow synchronization of the receivers between different slots and frames.

A. Preamble
B. Data
C. Guard bits
D. Trail bits
Answer» D. Trail bits
Discussion
6.

Preamble contains __________

A. Address
B. Data
C. Guard bits
D. Trail bits
Answer» B. Data
Discussion
7.

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
Answer» E.
Discussion
8.

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
Answer» D. 3.692 s
Discussion
9.

TDMA allocates a single time per frame to different users.

A. True
B. False
Answer» C.
Discussion
10.

_____ synchronization overhead is required in TDMA due to _______ transmission.

A. High, burst
B. High, continuous
C. Low, burst
D. No, burst
Answer» B. High, continuous
Discussion
11.

Because of _______ transmissions in TDMA, the handoff process in _____

A. Continuous, complex
B. Continuous, simple
C. Discontinuous, complex
D. Discontinuous, simple
Answer» E.
Discussion
12.

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
Answer» B. Discontinuous data transmission
Discussion
13.

_____ are utilized to allow synchronization of the receivers between different slots and frames.

A. Preamble
B. Data
C. Guard bits
D. Trail bits
Answer» D. Trail bits
Discussion
14.

Preamble contains _____

A. Address
B. Data
C. Guard bits
D. Trail bits
Answer» B. Data
Discussion
15.

TDMA systems transmit in a continuous way.

A. True
B. False
Answer» C.
Discussion