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Ericsson RF Optimization Engineer Interview Questions, Process, and Tips

Updated 27 Jan 2024

Top Ericsson RF Optimization Engineer Interview Questions and Answers

View all 6 questions

Ericsson RF Optimization Engineer Interview Experiences

2 interviews found

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed in Jan 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - HR 

(1 Question)

  • Q1. What is your expectations
Round 3 - Technical 

(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...

  • Answered by AI
  • 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...

  • Answered by AI

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.

  • Answered by AI
  • 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...

  • Answered by AI
  • 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

  • Answered by AI
  • 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 ...

  • Answered by AI
  • Q7. CSFB & SRVCC

Interview Preparation Tips

Interview preparation tips for other job seekers - Please be prepared your basis of RF

RF Optimization Engineer Interview Questions Asked at Other Companies

asked in Ericsson
Q1. How to improve DL throughout in good RF condition
Q2. What is tau and lau, circuit switch fall back.
Q3. What is 4G parameters and explain
Q4. What is srvcc,whether it use in 4g
Q5. Relation between CQI & modulation, LTE architecture, Events

Interview questions from similar companies

I applied via Referral and was interviewed in Oct 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(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...

  • Answered by AI
  • Q2. Base transreciver station
  • Q3. 4g projects and u900 and l900 project

Interview Preparation Tips

Interview preparation tips for other job seekers - Also find that 4g project and additional sectors microwave alignment
Round 1 - Aptitude Test 

2G 3G 4G Technologies and Network Parameters & Electronics basics

Round 2 - Technical 

(2 Questions)

  • Q1. What is 4G parameters and explain
  • Ans. 

    4G parameters are settings that control the performance of a 4G network.

    • 4G parameters include things like handover thresholds, power control settings, and modulation schemes.

    • These settings can be adjusted to optimize network performance and improve user experience.

    • Examples of 4G parameters include RSRP, RSRQ, SINR, and MCS.

    • RSRP (Reference Signal Received Power) is a measure of the signal strength at the receiver.

    • RSRQ (...

  • Answered by AI
  • Q2. What about knowledge of MS-Office please explain
Round 3 - HR 

(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

Interview preparation tips for other job seekers - Great Job great, do practice apptitude &Reasoning
Learn Technical subject
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(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

  • Answered by AI
  • 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...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be Calm and answer to the point.

I applied via Referral and was interviewed in Nov 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. MPLS, OSPF, BGP, ISIS

Interview Preparation Tips

Interview preparation tips for other job seekers - Never fake

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

  • Answered by AI
  • Q2. What vlan?
  • Ans. 

    VLAN stands for Virtual Local Area Network and is used to logically separate a network into smaller segments.

    • VLANs are used to improve network performance and security.

    • They allow for better network management and easier troubleshooting.

    • VLANs can be configured on switches and routers.

    • Examples of VLANs include separating guest and employee networks or separating different departments within a company.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Listen carefully to interviwer & tell the answers with confidently.

Skills evaluated in this interview

Interview Questionnaire 

1 Question

  • Q1. Tell mee about your self?

Interview Preparation Tips

Interview preparation tips for other job seekers - Give properly reply being confident.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed before Sep 2022. There were 2 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Basic concepts of VOIP and trunk configuration. Need to know ongoing voip trends in the market. Teams is budding platform and would be great to have Skype for business background
Round 2 - HR 

(1 Question)

  • Q1. Why do you want to join Tata?

Interview Preparation Tips

Interview preparation tips for other job seekers - Location wise its a little challenge in pune. everything else about TATA is great.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Nov 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. BGP MPLS QOS OSPF
  • Q2. Work profile in last company
  • Ans. 

    I worked as a Senior Engineer in my previous company.

    • Led a team of engineers in developing and implementing new software solutions

    • Collaborated with cross-functional teams to ensure project success

    • Designed and implemented scalable and efficient code

    • Participated in code reviews and provided constructive feedback

    • Mentored junior engineers and facilitated their professional growth

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Salary discussion for role

Ericsson Interview FAQs

How many rounds are there in Ericsson RF Optimization Engineer interview?
Ericsson interview process usually has 3 rounds. The most common rounds in the Ericsson interview process are Resume Shortlist, HR and Technical.
What are the top questions asked in Ericsson RF Optimization Engineer interview?

Some of the top questions asked at the Ericsson RF Optimization Engineer interview -

  1. How to improve DL throughout in good RF condit...read more
  2. Check relation with inter & intra cell term point & anchor basel...read more
  3. How to improve B...read more

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Ericsson RF Optimization Engineer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more
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Ericsson RF Optimization Engineer Salary
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₹2.8 L/yr - ₹12 L/yr
20% more than the average RF Optimization Engineer Salary in India
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based on 60 reviews

4.3/5

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3.9

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3.6

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3.4

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3.4

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4.0

Company culture

2.9

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3.8

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