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Updated: Aug 02, 2026
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Ericsson ECP-383 Exam Overview:
| Certification Vendor: | Ericsson |
| Exam Name: | Ericsson Certified Associate - Radio Network Optimization |
| Exam Number: | ECP-383 |
| Exam Price: | Approx. $300 USD (varies by region) |
| Exam Format: | Multiple Choice, Multiple Select |
| Exam Duration: | 90 minutes |
| Passing Score: | 75% |
| Available Languages: | English |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 60-65 |
| Related Certifications: | Ericsson Certified Professional - Radio Network Optimization (ECP-752) Ericsson Certified Professional - Radio Network Optimization (ECP-753) |
| Recommended Training: | Ericsson Certified Associate - Radio Network Optimization Training |
| Exam Registration: | Ericsson Learning Services |
| Sample Questions: | Ericsson ECP-383 Sample Questions |
| Exam Way: | Computer-based, available online or at authorized test centers |
| Pre Condition: | No mandatory prerequisites; basic knowledge of radio networks and Ericsson systems recommended |
| Official Syllabus URL: | https://www.ericsson.com/en/portfolio/cloud-software--services/transform-business/learning-services |
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 |
| Coverage and Capacity Optimization | 25% | - Capacity planning and optimization - Frequency planning and allocation - Coverage analysis and improvement |
| Radio Network Optimization Fundamentals | 20% | - Key Performance Indicators (KPIs) definition - Radio propagation principles and models - Network architecture for LTE/WCDMA |
| Troubleshooting and SON Concepts | 15% | - Common radio network issues and resolution - Parameter verification and adjustment - Self-Organizing Networks (SON) functionality |
| Optimization Tools and Methods | 20% | - Network data collection and analysis - Ericsson Network Manager (ENM) usage - Drive test and post-processing |
Ericsson Certified Associate - Radio Network Optimization Sample Questions:
1. Which two benefits does OSS counter-based optimization provide compared to drive test measurements?
(Choose two.)
A) OSS counters only capture the outdoor performance.
B) OSS counters provide OPEX cost savings.
C) OSS counters capture the indoor performance.
D) OSS counters allow throughput measurements in cells where no traffic is carried.
2. What is an advantage of using flexible numerology in New Radio (NR) 5G?
A) It provides a non defined link between subcarriers used in LTE and NR.
B) It maintains a more consistent overhead over a very large range of carrier frequencies.
C) It allows an alphanumeric mapping between physical data channels on coslted LTE and NR in non-standalone scenarios.
D) It ensures that the same subcarrier bandwidth is used in NR in both high and low frequencies.
3. 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
4. Which two statements are true about 64 QAM modulation in the downlink direction? (Choose two.)
A) The usage of 64 QAM is not dependent on radio channel quality.
B) The usage of 64 QAM is UE dependent.
C) The spectral efficiency of 64 QAM is lower than QPSK in strong radio conditions.
D) The spectral efficiency of 64 QAM is higher than QPSK in strong radio conditions.
5. In LTE, what is the definition of an A2 event?
A) The neighbor cell becomes better than the threshold.
B) The neighbor cell becomes worse than the threshold.
C) The serving cell becomes worse than the threshold.
D) The serving ceil becomes better than the threshold.
Solutions:
| Question # 1 Answer: B,C | Question # 2 Answer: C | Question # 3 Answer: A | Question # 4 Answer: B,D | Question # 5 Answer: C |
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