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The SINR of each codeword can be obtained through the Probe drive test tool, and the higher the SINR, the better.

A.

True

B.

False

During the X2 handover in the LTE system, if re-establishment occurs, which cells may be re-established? (Multiple choice)

A.

Source area

B.

ItemTarget area

C.

Third-party community

D.

Other cells in the source base station

The A3 or A4 event is used for LTE inter-system handover.

A.

True

B.

False

Which of the following reference signals are available in both LTE TDD and FDD LTE systems? (Multiple choice)

A.

Cell specific RS

B.

UE specific RS

C.

Uplink reference signal DM RS

D.

Uplink reference signal SRS

Before the cluster optimization test, the target area must be divided into clusters. Which of the following statements are correct? (Multiple choice)

A.

The cluster division should span different areas of the test (planning) full coverage business

B.

Make full use of the terrain (mountains and rivers)

C.

Refer to the existing cluster division for network engineering maintenance

D.

When dividing the cluster, the drive test in each cluster can be completed in one day, usually about 6 hours for one drive test