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Ericsson RF Optimization Engineer Interview Questions and Answers
Ericsson RF Optimization Engineer Interview Experiences
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
- 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
Interview Preparation Tips
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2G 3G 4G Technologies and Network Parameters & Electronics basics
(2 Questions)
- Q1. What is 4G parameters and explain
- Q2. What about knowledge of MS-Office please explain
- Ans.
Proficient in MS-Office, including Word, Excel, PowerPoint, and Outlook for documentation, data analysis, presentations, and communication.
Word: Skilled in creating detailed reports and documentation with formatting, tables, and references.
Excel: Experienced in data analysis using formulas, pivot tables, and charts for visual representation.
PowerPoint: Capable of designing engaging presentations with animations and mul...
(7 Questions)
- Q1. What are your salary expectations?
- Q2. What is your family background?
- Q3. Share details of your previous job.
- Q4. Why should we hire you?
- Q5. Why are you looking for a change?
- Q6. What are your strengths and weaknesses?
- Q7. Tell me about yourself.
Interview Preparation Tips
Learn Technical subject
Malik Md
(2 Questions)
- Q1. WHAT IS QCI ? explain QCI7 !
- Ans.
QCI stands for QoS Class Identifier, a parameter used in LTE networks to differentiate between different levels of service quality. QCI7 is used for Internet of Things (IoT) applications.
QCI stands for QoS Class Identifier in LTE networks
It is used to differentiate between different levels of service quality
QCI7 specifically is used for Internet of Things (IoT) applications
- Q2. What is MME Drop and eNodeB Drop in LTE ?
- Ans.
MME Drop and eNodeB Drop in LTE refer to the loss of connection between the mobile device and the network due to various reasons.
MME Drop refers to the loss of connection between the mobile device and the Mobility Management Entity (MME) in LTE network.
eNodeB Drop refers to the loss of connection between the mobile device and the eNodeB (base station) in LTE network.
These drops can occur due to factors such as poor sig...
Interview Preparation Tips
I applied via Referral and was interviewed in Oct 2022. There were 2 interview rounds.
(3 Questions)
- Q1. RADIO FREQUENCY optimization
- Ans.
RF optimization involves improving the performance of wireless communication systems by adjusting various parameters.
RF optimization is done to improve network coverage, capacity, and quality.
It involves adjusting parameters such as transmit power, antenna tilt, and frequency allocation.
The goal is to minimize interference and maximize signal strength.
Tools such as drive tests, network analyzers, and simulation softwar...
- Q2. Base transreciver station
- Q3. 4g projects and u900 and l900 project
Interview Preparation Tips
- Q1. Work experience of previous companies.
- Q2. Technical interview questions
- Ans.
RF Optimization Engineers enhance wireless communication systems for better performance and coverage.
Understand RF principles: Knowledge of frequency, wavelength, and propagation.
Conduct site surveys: Assess locations for optimal antenna placement.
Use optimization tools: Familiarity with software like Atoll or Planet.
Analyze KPIs: Monitor metrics like SINR, throughput, and drop rates.
Implement solutions: Adjust paramet...
Ericsson HR Interview Questions
Interview Questionnaire
1 Question
- Q1. Mostly they checking your presence in interview and asking about your experience for particular field and background.
Interview Questionnaire
1 Question
- Q1. Tell mee about your self?
Interview Preparation Tips
Selected
I applied via Referral and was interviewed before Feb 2022. There were 4 interview rounds.
Discussion about Basic Information
(1 Question)
- Q1. I was applying for CAD engineer so asking about CAD commands and telecommunications. Prepare with your skills.
(1 Question)
- Q1. Discussion about Work experience, CTC, work Location.
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Sep 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. How to integrate the sites or the integration steps?
- Ans.
Integration of sites involves identifying the systems to be integrated, defining the data flow, and implementing the integration process.
Identify the systems to be integrated
Define the data flow between the systems
Choose the appropriate integration method (API, ETL, etc.)
Develop and test the integration process
Deploy the integration process and monitor for errors
Ensure data security and compliance
Provide ongoing suppor...
- Q2. What vlan?
Interview Preparation Tips
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