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Welcome to the Multiple Access Techniques MCQs Page

Dive deep into the fascinating world of Multiple Access Techniques with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Multiple Access Techniques, a crucial aspect of Wireless and Mobile Communications. In this section, you will encounter a diverse range of MCQs that cover various aspects of Multiple Access Techniques, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Wireless and Mobile Communications.

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Check out the MCQs below to embark on an enriching journey through Multiple Access Techniques. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Wireless and Mobile Communications.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Multiple Access Techniques. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Multiple Access Techniques MCQs | Page 5 of 7

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Q41.
____________ is used to improve reception by collecting time delayed versions of the required signal.

a.

RAKE receiver

b.

Equalizer

c.

Frequency modulator

d.

High pass filter

Discuss
Answer: (a).RAKE receiver
Q42.
____________ arises from the fact that the spreading sequences of different users are not orthogonal.

a.

Near-far problem

b.

Line of sight

c.

Windowing

d.

Self jamming

Discuss
Answer: (d).Self jamming
Q43.
In ___________ technique, many subscribers attempt to access a single channel in an uncoordinated manner.

a.

Packet radio

b.

Multiple access

c.

Modulation

d.

Spread spectrum

Discuss
Answer: (a).Packet radio
Q44.
Packet radio uses _________ and __________ signals for perfect feedback.

a.

Forward, reverse

b.

ACK, NACK

c.

Active, passive

d.

Linear, non linear

Discuss
Answer: (b).ACK, NACK
Q45.
Packet radio has high spectral efficiency.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q46.
___________ is defined as average number of messages successfully transmitted per unit time in packet radio multiple access technique.

a.

Average delay

b.

Figure of merit

c.

Throughput

d.

Efficiency

Discuss
Answer: (c).Throughput
Q47.
What is the time period during which the packets are susceptible to collisions with transmissions from other users?

a.

Delay time

b.

Latency period

c.

Average delay time

d.

Vulnerable period

Discuss
Answer: (d).Vulnerable period
Q48.
For a PR multiple access technique, packet transmissions occur with __________ distribution.

a.

Poisson

b.

Gaussian

c.

Pearson

d.

Rayleigh

Discuss
Answer: (a).Poisson
Q49.
If λ is mean arrival rate and τ is the packet duration, then traffic occupancy of a packet radio network is equal to _________

a.

λτ

b.

λ/τ

c.

λ-τ

d.

λτ²

Discuss
Answer: (a).λτ
Q50.
Pure ALOHA is __________

a.

Modulation technique

b.

Multiple access technique

c.

Random access technique

d.

Spread spectrum technique

Discuss
Answer: (c).Random access technique
Page 5 of 7

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