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Ericsson ECP-383 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Interference and Neighbor Management | 20% | - Neighbor list planning and optimization - Interference identification and mitigation - Handover parameters tuning |
| Optimization Tools and Methods | 20% | - Ericsson Network Manager (ENM) usage - Drive test and post-processing - Network data collection and analysis |
| Coverage and Capacity Optimization | 25% | - Frequency planning and allocation - Coverage analysis and improvement - Capacity planning and optimization |
| Radio Network Optimization Fundamentals | 20% | - Network architecture for LTE/WCDMA - Radio propagation principles and models - Key Performance Indicators (KPIs) definition |
| Troubleshooting and SON Concepts | 15% | - Common radio network issues and resolution - Parameter verification and adjustment - Self-Organizing Networks (SON) functionality |
Ericsson Certified Associate - Radio Network Optimization Sample Questions:
1. Several operators are using a Multi Operator Core Network (MOCN) with the Shared LTE RAN feature.
Which element is shared by the operators in this scenario?
A) MME
B) IMS
C) eNodeB
D) SGW
2. You are using the Performance Measurements system for Ericsson WCDMA network analysis and must use predefined counters.
On which two levels would these counters be collected? (Choose two.)
A) the TRX level
B) the RNC level
C) the BSC level
D) the cell level
3. 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 qRxLevMin parameter to -117 dBm.
B) Set the qQuaiMin parameter to -9 dB.
C) Set the qQualMin parameter to -15 dB.
D) Set the qRxLevMin parameter to -123 dBm.
4. 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 allow handovers to LTE FDD carriers
D) to achieve good RACH timing accuracy
5. Which two statements are true about the Antenna Integrated Radio (AIR)? (Choose two.)
A) The AIR in an LTE system is directly connected with the MME using the SI interface.
B) The AIR replaces the digital/baseband unit.
C) The AIR is a hardware unit that integrates the radio and the antenna.
D) The AIR can replace the standard RU/RRU and antenna.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B,D | Question # 3 Answer: C,D | Question # 4 Answer: A | Question # 5 Answer: C,D |

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