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Jio RF Optimization Engineer Interview Questions and Answers

Updated 16 Jul 2024

Jio RF Optimization Engineer Interview Experiences

2 interviews found

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 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 Resume 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

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

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 Resume 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
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

I was interviewed before Sep 2016.

Interview Questionnaire 

16 Questions

  • Q1. On what technology you have worked?
  • Ans. 

    I have worked on various technologies including Java, Python, AWS, Docker, and Kubernetes.

    • Java

    • Python

    • AWS

    • Docker

    • Kubernetes

  • Answered by AI
  • Q2. Case studies of daily operational activities?
  • Ans. 

    Daily operational activities case studies

    • Case study of optimizing production line for efficiency

    • Case study of implementing new safety protocols in a manufacturing plant

    • Case study of troubleshooting and resolving technical issues in a software development team

    • Case study of streamlining inventory management in a retail store

    • Case study of improving customer service processes in a call center

  • Answered by AI
  • Q3. What is project management?
  • Ans. 

    Project management is the process of planning, organizing, and overseeing the execution of a project from start to finish.

    • It involves defining project goals and objectives

    • Creating a project plan and timeline

    • Assigning tasks and responsibilities to team members

    • Monitoring progress and making adjustments as needed

    • Ensuring that the project is completed on time, within budget, and meets the desired quality standards

    • Examples ...

  • Answered by AI
  • Q4. What is financial and cost control during project management?
  • Ans. 

    Financial and cost control is the process of monitoring and managing project expenses to ensure they stay within budget.

    • Developing a detailed budget plan

    • Tracking expenses and comparing them to the budget plan

    • Identifying and addressing cost overruns

    • Negotiating with vendors to get the best prices

    • Implementing cost-saving measures

    • Regularly reporting on financial status to stakeholders

  • Answered by AI
  • Q5. What is resource management?
  • Ans. 

    Resource management is the process of planning, allocating, and optimizing resources to achieve organizational goals.

    • It involves identifying the resources needed for a project or task

    • Allocating those resources in an efficient manner

    • Monitoring and controlling resource usage to ensure optimal performance

    • Examples include managing personnel, finances, equipment, and time

    • Effective resource management can lead to increased p

  • Answered by AI
  • Q6. What is 2G , 3G, 4G call flow?
  • Ans. 

    2G, 3G, and 4G call flow are the processes involved in establishing and maintaining a mobile phone call.

    • 2G call flow involves circuit-switched technology and uses Time Division Multiple Access (TDMA) for voice transmission.

    • 3G call flow uses packet-switched technology and supports both voice and data transmission.

    • 4G call flow uses Long-Term Evolution (LTE) technology and provides high-speed data transmission.

    • All call fl...

  • Answered by AI
  • Q7. What is single RAN?
  • Ans. 

    Single RAN is a network architecture that allows multiple wireless technologies to be supported on a single physical network.

    • Single RAN stands for Single Radio Access Network.

    • It enables multiple wireless technologies such as 2G, 3G, 4G, and 5G to be supported on a single physical network.

    • This reduces the need for multiple hardware and software components, resulting in cost savings and simplified network management.

    • Sing...

  • Answered by AI
  • Q8. What is VOLTE?
  • Ans. 

    VOLTE stands for Voice over LTE. It is a technology that allows voice calls to be made over a 4G LTE network.

    • VOLTE uses IP packets to transmit voice calls over the LTE network

    • It provides better call quality and faster call setup times compared to traditional 2G/3G networks

    • VOLTE also allows for simultaneous voice and data usage on the same network

    • Examples of VOLTE-enabled devices include iPhone 6 and above, Samsung Gala...

  • Answered by AI
  • Q9. Difference between LTE & VOLTE?
  • Ans. 

    LTE is a standard for wireless broadband communication while VoLTE is a technology that enables voice calls over LTE network.

    • LTE stands for Long-Term Evolution and is a standard for wireless broadband communication.

    • VoLTE stands for Voice over LTE and is a technology that enables voice calls over LTE network.

    • LTE is used for data transfer while VoLTE is used for voice calls.

    • VoLTE provides better call quality and faster c...

  • Answered by AI
  • Q10. What is transport network?
  • Ans. 

    Transport network refers to the infrastructure that enables the movement of people, goods, and information.

    • Transport network includes roads, railways, airports, seaports, and communication networks.

    • It plays a crucial role in the economy by facilitating trade and commerce.

    • Examples of transport networks include the interstate highway system in the US and the European railway network.

    • Transport network planning involves op...

  • Answered by AI
  • Q11. Difference between ABIS over IP and ABIS over TDM?
  • Ans. 

    ABIS over IP and ABIS over TDM are two different methods of transmitting biometric data.

    • ABIS over IP uses internet protocol to transmit biometric data while ABIS over TDM uses time-division multiplexing.

    • ABIS over IP is more flexible and scalable than ABIS over TDM.

    • ABIS over TDM is more reliable and secure than ABIS over IP.

    • ABIS over IP is suitable for remote locations while ABIS over TDM is suitable for local networks.

    • ...

  • Answered by AI
  • Q12. Basic architecture of 2G , 3G & 4G?
  • Ans. 

    2G, 3G, and 4G are mobile network technologies with different architectures.

    • 2G uses circuit-switched technology and is primarily used for voice calls and text messaging.

    • 3G uses packet-switched technology and offers faster data transfer rates than 2G.

    • 4G uses all-IP packet-switched technology and provides even faster data transfer rates than 3G.

    • 4G also supports advanced features like VoLTE and carrier aggregation.

    • Each ge...

  • Answered by AI
  • Q13. Introduce yourself?
  • Ans. 

    I am a Senior engineer with 10+ years of experience in software development, specializing in backend systems and cloud technologies.

    • 10+ years of experience in software development

    • Specialize in backend systems and cloud technologies

    • Strong problem-solving skills

    • Experience with large-scale distributed systems

    • Proficient in programming languages such as Java, Python, and Go

  • Answered by AI
  • Q14. What are the experiences of your previous companies?
  • Ans. 

    I have worked in various companies ranging from startups to large corporations, gaining experience in diverse technologies and industries.

    • Worked in a startup where I was responsible for developing a scalable backend system using Node.js and MongoDB.

    • At a mid-sized company, I led a team in implementing CI/CD pipelines for faster and more reliable software delivery.

    • In a large corporation, I worked on optimizing performanc...

  • Answered by AI
  • Q15. Why do you want to join this company?
  • Ans. 

    I am impressed by the company's innovative projects and strong reputation in the industry.

    • Company's reputation for cutting-edge technology

    • Opportunity to work on challenging projects

    • Positive reviews from current employees

  • Answered by AI
  • Q16. What is your notice period? Is it negotiable or not?
  • Ans. 

    My notice period is currently 3 months, but it may be negotiable depending on the circumstances.

    • My current notice period is 3 months

    • I am open to negotiation depending on the circumstances

    • I can provide examples of when I have negotiated notice periods in the past

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: Submitted resume online through portal and received the call. Technical Telephonic interview was scheduled.

Tips: Resume should be as per the desired profile.

Round: Technical Interview
Experience: In this round interviewer asks basic technical questions based on the previous experiences that was mentioned in my resume.
Tips: Study all the points mentioned in the resume very deeply.

Round: Technical Interview
Tips: Given your answers to the point. It should be in brief .

Round: HR Interview
Tips: Conversation should be in proper communication. Try to convince the HR for joining. Negotiate the salary as per the profile offered to you.

Skills: Technical Skill, Communication And Confidence, Team Working Ability

Skills evaluated in this interview

I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Telecom domine question
  • Q2. Auto Cad basics and experience on telecom and wireless based question

Interview Preparation Tips

Interview preparation tips for other job seekers - Only 2round for experience candidate

I applied via Recruitment Consultant and was interviewed in May 2019. There were 3 interview rounds.

Interview Questionnaire 

2 Questions

  • Q1. Capacity and coverage planning, ODSC channels and its coverage radius, TAC,LAC,NAC, RRC,eRAB, S1 signalling. LTE interfaces and their functions, PRB formations and no of PRB required to support single volt...
  • Q2. Why would you like to change?

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared for odds and competent with technologies

I applied via Approached by Company and was interviewed before May 2021. There were 3 interview rounds.

Round 1 - Coding Test 

Hacker rank test was given. 30 mcq and 1 coding test. Test duration is 1 hour. Core java and spring boot questions were covered.

Round 2 - Technical 

(1 Question)

  • Q1. Core Java, spring annotations, hashmap internal working, exception handling, working of rest controller, Java 8 features, code using streams api, multithreading concepts
Round 3 - Technical 

(1 Question)

  • Q1. Microservice architecture, working of spring Mvc, communications between microservice, actuator, swagger, why microservice is implemented, spring vs spring boot, design patterns used, questions related to ...

Interview Preparation Tips

Interview preparation tips for other job seekers - kindly update to java 8, lots of features are added in it. every organization expects their employee to be updated to newer technology and microservice is just an architectural design, be strong in core java concepts thats enough to get you landed in a job.
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed before Oct 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Do not use an unprofessional email address such as cool_boy@email.com. It shows a lack of professionalism by the candidate.
View all Resume tips
Round 2 - Technical 

(2 Questions)

  • Q1. About LTE and Integration process,troubleshooting
  • Q2. SA/NSA and 5G DSS

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't hesitate and keep your shelf confident.
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Jio Interview FAQs

How many rounds are there in Jio RF Optimization Engineer interview?
Jio interview process usually has 1-2 rounds. The most common rounds in the Jio interview process are Technical and Resume Shortlist.
What are the top questions asked in Jio RF Optimization Engineer interview?

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

  1. What is MME Drop and eNodeB Drop in LT...read more
  2. WHAT IS QCI ? explain QCI...read more
  3. RADIO FREQUENCY optimizat...read more

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Jio RF Optimization Engineer Interview Process

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Jio RF Optimization Engineer Salary
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₹3.7 L/yr - ₹10.7 L/yr
6% more than the average RF Optimization Engineer Salary in India
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4.5/5

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