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Question # 4

Assuming other conditions are unchanged, if the power parameter PB is changed from 0 to 1, then which of the following statements is correct?

A.

Cell reference signal power is increased by 3dcorrect

B.

Cell reference signal power is increased by 1dB

C.

Cell reference signal power is reduced by 3dB

D.

Cell reference signal power is reduced by 1dB

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Question # 5

Before coverage analysis, it is necessary to obtain basic data such as the planning plan, site distribution, base station configuration, antenna feeder configuration, RS power and service load characteristics of the optimized target area. Then obtain the information of the existing network data, conduct a comparative analysis, and find out the areas where the coverage problem may exist.

A.

True

B.

False

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Question # 6

In the newly-built two-channel indoor sub-system, because LTE uses the MIMO feature, the uplink and downlink rate of the two-channel indoor sub-system is twice that of the single-channel indoor sub-system.

A.

True

B.

False

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Question # 7

Which of the following types of warm wires are commonly used? (multiple choices)

A.

1/2〃Feeder

B.

1/3〃Feeder

C.

7/8〃Feeder

D.

5/4〃Feeder

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Question # 8

Which of the following events is the basis for LTE synchronous frequency switching?

A.

A1

B.

A2

C.

A3

D.

B1

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Question # 9

Which of the following functions is used for inter-cell interference coordination?

A.

ANR

B.

ICIC

C.

BF

D.

AMR

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Question # 10

Which of the following carrier bandwidths does LTE support? (multiple choice)

A.

40M

B.

5M

C.

15M

D.

20M

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Question # 11

Regarding indoor distribution antennas and components, which of the following statement is wrong?

A.

The leaky cable can be regarded as a kind of slot antenna, suitable for coverage in tunnels, subways, etc.

B.

Attenuator: consuming the excessive energy of RF signal, mainly used to reduce signal level and avoid the influence of overflow

C.

Try to use "high power, less antenna" for indoor antenna layoutcorrect

D.

Power splitter: Split one signal into two or more channels (three-way, four-way) output

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Question # 12

There are 503 PCI physical cell identifiers.

A.

True

B.

False

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