When deploying LTE, operator usually preferred to let UE to stay more in LTE. In cell reselection in order to lead UE to stay more in LTE, which of the following is incorrect?

In High priority cell reselection, decrease ThreshXHigh

In Low priority cell reselection, increase ThrshServLow

In Low priority cell reselection, decrease ThreshXLow

In cell reselection measurement trigger criteria, increase SnonIntraSearch

LTE ERAN7.0 Idle Mode

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| By LTEOPT

LTEOPT

Community Contributor

Quizzes Created: 5 | Total Attempts: 1,369

Questions: 10 | Attempts: 323 | Updated: Mar 18, 2023

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Questions and Answers

1.

During UE idle status in any case, UE always performs measurement.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
During UE idle status, the UE does not always perform measurements. In idle mode, the UE is not actively communicating with the network and is conserving power. However, the UE may periodically wake up to perform certain measurements, such as checking for available networks or monitoring signal strength. Therefore, it is not accurate to say that the UE always performs measurements during idle status.

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2.

In cell selection, RSRP is used as the default quantity measurement.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
In cell selection, RSRP is not used as the default quantity measurement. RSRP stands for Reference Signal Received Power and it is a measurement used to determine the signal strength in a cellular network. However, in cell selection, the default quantity measurement used is RSRQ (Reference Signal Received Quality), which takes into account both the signal strength and interference levels. Therefore, the statement is false.

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3.

When an UE tried to camp on a cell, UE also measures cells from other PLMN rather than PLMN in its sim card.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
When a user equipment (UE) attempts to connect to a cell, it also performs measurements on cells belonging to other public land mobile networks (PLMN) in addition to the PLMN associated with its SIM card. This is done to gather information about neighboring cells and their signal strengths, which can help the UE make an informed decision about which cell to camp on. Therefore, the statement is true.

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4.

In cell selection, P_{Maximum allowed power} in Pcompensation is set based on the current highest UE power in the network.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
In cell selection, the maximum allowed power in Pcompensation is not set based on the current highest UE power in the network. The maximum allowed power in Pcompensation is typically determined by various factors such as network capacity, interference levels, and power control algorithms.

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5.

In cell reselection, UE measures neighbor cells based on neighbor cell information sending in SIB4, SIB5, SIB6 and SIB7.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
In cell reselection, UE measures neighbor cells based on neighbor cell information sending in SIB4, SIB5, SIB6, and SIB7. This statement is false because in cell reselection, UE measures neighbor cells based on neighbor cell information sent in SIB3, not SIB4, SIB5, SIB6, and SIB7.

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6.

In intra-freq cell reselection, there are 2 main steps, i.e. measurement trigger criteria and cell reselection criteria. The measurement quantity to be used should be the same.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The explanation for the given correct answer, which is False, is that in intra-freq cell reselection, the measurement quantity to be used does not necessarily have to be the same. The measurement trigger criteria and cell reselection criteria can be based on different measurement quantities.

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7.

When deploying LTE, operator usually preferred to let UE to stay more in LTE. In cell reselection in order to lead UE to stay more in LTE, which of the following is incorrect?
- A.
  
  In Low priority cell reselection, increase ThrshServLow
- B.
  
  In Low priority cell reselection, decrease ThreshXLow
- C.
  
  In High priority cell reselection, decrease ThreshXHigh
- D.
  
  In cell reselection measurement trigger criteria, increase SnonIntraSearch
Correct Answer
C. In High priority cell reselection, decrease ThreshXHigh

Explanation
In order to lead UE to stay more in LTE during cell reselection, operators usually increase the threshold values for low priority cell reselection. This means that the UE will be less likely to reselect to a lower priority cell. Therefore, the statement "In High priority cell reselection, decrease ThreshXHigh" is incorrect because decreasing the threshold for high priority cell reselection would make the UE more likely to reselect to a higher priority cell, which is contrary to the operator's preference.

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8.

If a cell is barred, none of UE access class can use or enter to the cell anymore
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The statement is false because if a cell is barred, it means that certain UE access classes are restricted from using or entering the cell. However, there may still be other UE access classes that are allowed to access the cell. So, the statement that none of the UE access classes can use or enter the cell anymore is incorrect.

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9.

If there are a lot of users in a cell, in order to increase paging capacity Nb should be set to a higher value.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
In a cellular network, paging is the process of locating a mobile device when there is an incoming call or message. The parameter Nb represents the maximum number of users that can be paged simultaneously in a cell. If there are a lot of users in a cell, setting Nb to a higher value increases the paging capacity. This means that more users can be paged simultaneously, reducing the chances of paging failures and improving the overall efficiency of the network. Therefore, the statement is true.

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10.

UE battery will be consumed more when Nb is set to a high value.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
When Nb is set to a high value, it means that the number of users in the system is high. In this case, the UE (User Equipment) battery will not be consumed more. Instead, the battery consumption will be higher when Nb is set to a low value, indicating a lower number of users in the system. Therefore, the given answer "False" is correct.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Mar 18, 2023

Quiz Edited by
ProProfs Editorial Team
Oct 13, 2015

Quiz Created by
LTEOPT

Lte Eran7.0 Idle Mode

During UE idle status in any case, UE always performs measurement.

In cell selection, RSRP is used as the default quantity measurement.

When an UE tried to camp on a cell, UE also measures cells from other PLMN rather than PLMN in its sim card.

In cell selection, PMaximum allowed power in Pcompensation is set based on the current highest UE power in the network.

In cell reselection, UE measures neighbor cells based on neighbor cell information sending in SIB4, SIB5, SIB6 and SIB7.

In intra-freq cell reselection, there are 2 main steps, i.e. measurement trigger criteria and cell reselection criteria. The measurement quantity to be used should be the same.

When deploying LTE, operator usually preferred to let UE to stay more in LTE. In cell reselection in order to lead UE to stay more in LTE, which of the following is incorrect?

If a cell is barred, none of UE access class can use or enter to the cell anymore

If there are a lot of users in a cell, in order to increase paging capacity Nb should be set to a higher value.

UE battery will be consumed more when Nb is set to a high value.

In cell selection, P_{Maximum allowed power} in Pcompensation is set based on the current highest UE power in the network.