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Ericsson RF Optimization Engineer Interview Questions, Process, and Tips for Experienced
Top Ericsson RF Optimization Engineer Interview Questions and Answers for Experienced
- Q1. How to improve DL throughout in good RF condition
- Q2. Check relation with inter & intra cell term point & anchor baseline
- Q3. How to improve BLER
Ericsson RF Optimization Engineer Interview Experiences for Experienced
2 interviews found
Anonymous
Selected
I applied via Naukri.com and was interviewed in Jan 2023. There were 3 interview rounds.
(1 Question)
- Q1. What is your expectations
(2 Questions)
- Q1. How to solve handover & drop call
- Ans.
Handover and drop call issues can be solved by optimizing network parameters, improving coverage and capacity, and troubleshooting hardware and software problems.
Optimize handover parameters such as handover margin, time-to-trigger, and hysteresis
Improve coverage by adding more base stations or adjusting antenna tilt and azimuth
Increase capacity by adding more carriers or sectors
Troubleshoot hardware issues like faulty...
- Q2. Check relation with inter & intra cell term point & anchor baseline
- Ans.
The relation between inter and intra cell term point and anchor baseline is important in RF optimization.
Inter cell term point refers to the point where the signal from one cell ends and the signal from another cell begins.
Intra cell term point refers to the point within a cell where the signal quality starts to degrade.
Anchor baseline is a reference point used to measure the performance of a network.
The relation betwe...
I applied via Naukri.com and was interviewed in Mar 2021. There were 3 interview rounds.
Interview Questionnaire
7 Questions
- Q1. RACH PROCEDURE
- Ans.
RACH procedure is used for initial access to the network by a UE.
RACH stands for Random Access Channel.
UE sends a RACH preamble to the network to request access.
The network responds with a RACH response message.
RACH procedure is used for both uplink and downlink transmission.
Optimizing RACH parameters can improve network performance.
- Q2. Handover Parameters
- Q3. Handover events
- Q4. How to improve DL throughout in good RF condition
- Ans.
To improve DL throughput in good RF condition, optimize antenna tilt, increase sector capacity, and reduce interference.
Optimize antenna tilt to improve signal strength and reduce interference
Increase sector capacity by adding more carriers or using advanced modulation techniques
Reduce interference by identifying and mitigating sources of interference
Ensure proper network planning and optimization to maximize DL throug...
- Q5. How to improve VDR
- Ans.
VDR can be improved by optimizing network parameters and reducing interference.
Optimize antenna tilt and azimuth angles
Adjust transmit power levels
Reduce interference from neighboring cells
Implement advanced interference cancellation techniques
Use frequency hopping to avoid interference
Deploy more base stations to improve coverage
Upgrade network hardware and software
Perform regular network audits and optimizations
- Q6. How to improve BLER
- Ans.
To improve BLER, optimize the radio network by adjusting parameters and improving coverage.
Optimize radio network parameters such as power control, handover parameters, and modulation schemes
Improve coverage by adding more base stations or adjusting antenna tilt and orientation
Reduce interference by identifying and mitigating sources of interference
Perform regular network audits and drive tests to identify and address ...
- Q7. CSFB & SRVCC
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I applied via Naukri.com and was interviewed before Oct 2021. There were 3 interview rounds.
(2 Questions)
- Q1. What is AD dns dhcp?
- Ans.
AD DNS DHCP are Microsoft technologies used for network management and authentication.
Active Directory (AD) is a directory service used for authentication and authorization of users and computers in a network.
Domain Name System (DNS) is used for name resolution of network resources.
Dynamic Host Configuration Protocol (DHCP) is used for automatic IP address assignment to network devices.
AD, DNS, and DHCP are often used ...
- Q2. What is IaaS SaaS PaaS?
- Ans.
IaaS, SaaS, and PaaS are cloud computing models that provide different levels of infrastructure, software, and platform services.
IaaS (Infrastructure as a Service) provides virtualized computing resources over the internet, such as servers, storage, and networking.
SaaS (Software as a Service) delivers software applications over the internet, eliminating the need for local installation and maintenance.
PaaS (Platform as ...
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Skills evaluated in this interview
I applied via Campus Placement and was interviewed before Apr 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. About the basics of c, c++ and java, also asked to explain the project that I developed.
Interview Preparation Tips
I applied via Approached by Company and was interviewed before Dec 2021. There were 3 interview rounds.
(1 Question)
- Q1. What is n-tier architecture
- Ans.
n-tier architecture is a software design pattern that divides an application into logical layers.
It separates presentation, application processing, and data management functions.
Each layer can be developed and maintained independently.
Examples include 3-tier and 4-tier architectures.
It improves scalability, maintainability, and flexibility of the application.
(1 Question)
- Q1. What is your expectation from company
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Ericsson RF Optimization Engineer Interview Process for Experienced
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