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Ericsson ECP-383 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Interference and Neighbor Management | 20% | - Interference identification and mitigation - Neighbor list planning and optimization - Handover parameters tuning |
| Topic 2: Optimization Tools and Methods | 20% | - Drive test and post-processing - Ericsson Network Manager (ENM) usage - Network data collection and analysis |
| Topic 3: Radio Network Optimization Fundamentals | 20% | - Radio propagation principles and models - Key Performance Indicators (KPIs) definition - Network architecture for LTE/WCDMA |
| Topic 4: Troubleshooting and SON Concepts | 15% | - Common radio network issues and resolution - Self-Organizing Networks (SON) functionality - Parameter verification and adjustment |
| Topic 5: Coverage and Capacity Optimization | 25% | - Coverage analysis and improvement - Capacity planning and optimization - Frequency planning and allocation |
Ericsson Certified Associate - Radio Network Optimization Sample Questions:
Which two statements are true about the Antenna Integrated Radio (AIR)? (Choose two.)
- A. The AIR replaces the digital/baseband unit.
- B. The AIR is a hardware unit that integrates the radio and the antenna.
- C. The AIR in an LTE system is directly connected with the MME using the SI interface.
- D. The AIR can replace the standard RU/RRU and antenna.
Correct Answer: B,D 🗳️
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. Increase the CPICH power.
- B. Reduce the antenna height.
- C. Increase the electrical downtilt.
- D. Change the azimuth.
Correct Answer: D 🗳️
Performance Management Statistics have recently shown a sharp rise in received interference power on an LTE site during the busiest hours. A collocated WCDMA base station has recently acquired a new carrier and upgraded power amplifier. The upgrade correlates with the sharp rise in received interference power.
What are two appropriate actions to solve this problem? (Choose two.)
- A. Review the site design in consultation with the Ericsson collocation and coexistence guidelines.
- B. Request or perform a build audit of the newly upgraded collocated WCDMA site.
- C. Reduce the hsPowerMargin parameter to make more power available for HSDPA.
- D. Increase the power amplifier on the impacted collocated LTE sectors.
Correct Answer: A,B 🗳️
Review the exhibit.
An operator's LTE single layer network has a cell not carrying enough traffic. To increase the traffic carried by the cell, the operator decides to modify the Idle mode behavior of the cell. Values for the qRxLevMin and qQuaimin parameters are currently set to -120 dBm and -12 dB.
Referring to the exhibit, which two configurations would be used to potentially increase the traffic carried by this cell? (Choose two.)
- A. Set the qQuaiMin parameter to -9 dB.
- B. Set the qRxLevMin parameter to -123 dBm.
- C. Set the qQualMin parameter to -15 dB.
- D. Set the qRxLevMin parameter to -117 dBm.
Correct Answer: B,C 🗳️
Which identifier is used for locating a UE in a standalone LTE network?
- A. URAC
- B. TAC
- C. RAC
- D. LAC
Correct Answer: B 🗳️
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