5 evaluation – Nortel Networks DCT1900 User Manual

Page 337

Technical Product Manual - DCT1900

Commissioning, Radio Coverage Verification

Comm-DCT1900/R8/mw

4-3

DISPLAY LAYOUT MER TEST

[1.] Frame Count
The frame count field contains a running counter of the number of frames that have been
examined.

[2.] Total Frames or MER
When a test is in progress this field contains the total number of frames for which the test will
run. At the completion of a test this field contains the message error rate (PERCENTAGE).

[3.] SYNC
This field contains the number of SYNC errors encountered.

[4.] A-CRC
This field contains the number of A-CRC errors encountered.

[5.] X-CRC
This field contains the number of X-CRC errors encountered.

Monitor the frame counter if the walk around takes more than 10 minutes. Record the results
of each 10-minute test and restart the test. If the walk around takes less than 10 minutes
continue to walk the coverage area until the 10 minutes are up.

To be good, the average MER percentage should be no more than 1.00%

Watch out for the 5-minute SPU timer. (Keep talking).

10. Upon completion of the test exit DCA mode and power off the phone.

(DO NOT LEAVE THE PHONE IN DCA MODE)

4.5

Evaluation

After having performed the Base Station test and the area coverage test, the results should be
evaluated. If the coverage is not sufficient you should review the Base Station plan and move or
add Base Stations.

[Frame Count] [Total Frames

or MER]

[SYNC]

[A-CRC] [X-CRC]