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Ericsson ECP-383 Exam Syllabus Topics:

Ericsson Certified Associate - Radio Network Optimization Sample Questions:

1. A customer has Identified problems In an Indoor, medium loaded, urban area of a GSM/WCDMA collocated network. The problem seems to be in the uplink. The signal level received by the problematic site is high, and the downlink signal in the problematic area is acceptable.
Which two actions would you use to troubleshoot the issue? (Choose two.)

A) Add a pico cell In the same RAT and frequency.
B) Investigate external interference.
C) Decrease base station transmission power.
D) Run a passive inter-modulation (PIM) analysis.

2. Why is synchronized operation used in LTE TDD base stations?

A) to reduce interference between uplink and downlink
B) to allow downlink MIMO to be used
C) to achieve good RACH timing accuracy
D) to allow handovers to LTE FDD carriers

3. Which two benefits does OSS counter-based optimization provide compared to drive test measurements?
(Choose two.)

A) OSS counters capture the indoor performance.
B) OSS counters provide OPEX cost savings.
C) OSS counters allow throughput measurements in cells where no traffic is carried.
D) OSS counters only capture the outdoor performance.

4. Review the exhibit.

A new residential area has recently been built showing a lack of 3G uplink coverage as shown in the exhibit.
The terrain is flat and all the buildings in the area are 20 meters in height with no other relevant direct obstacles.
What should be applied to cells A_l and 8_1 to provide 3G service to the new area knowing that both cells have a soft handover (SHO) factor of 1.9?

A) Reduce the antenna height.
B) Increase the electrical downtilt.
C) Change the azimuth.
D) Increase the CPICH power.

5. Review the exhibit.

What is the EIRP of the transmitter shown In the exhibit?

A) 42.5 dBm
B) 57.5 dBm
C) 40 dBm
D) 46 dBm

Solutions: