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Tata Communications RF Engineer Interview Questions and Answers

Updated 9 Nov 2022

Tata Communications RF Engineer Interview Experiences

1 interview found

RF Engineer Interview Questions & Answers

user image Anonymous

posted on 9 Nov 2022

I applied via Referral and was interviewed before Nov 2021. 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 

(2 Questions)

  • Q1. What kind of device are you working on?
  • Ans. 

    I am currently working on designing and testing a 5G small cell device.

    • Designing and testing a 5G small cell device

    • Working on optimizing the device's performance

    • Collaborating with cross-functional teams to ensure successful deployment

    • Conducting field tests to evaluate the device's capabilities

  • Answered by AI
  • Q2. How much gain was there?

Interview Preparation Tips

Interview preparation tips for other job seekers - For offroll possition only needed technical cal interview, interviewer always carried on basic questions, so do prepare only for you subjected related or position related.

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Basic questions on antenna parameters.
  • Q2. Design aspects of Antenna array.
  • Ans. 

    Antenna array design involves elements such as element spacing, beamforming techniques, and array geometry.

    • Element spacing determines the directivity and beamwidth of the array.

    • Beamforming techniques like phase shifting and amplitude tapering help steer the beam in a desired direction.

    • Array geometry, such as linear, planar, or conformal arrays, affects the radiation pattern and polarization.

    • Antenna array design also co...

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. Theoretical understanding on base station antenna.
  • Q2. How will you get the tilt in the base station antenna?
  • Ans. 

    The tilt in the base station antenna can be adjusted by physically changing the angle of the antenna.

    • Tilt can be adjusted by loosening the bolts on the antenna mount and manually changing the angle of the antenna

    • Specialized tools like tilt meters can be used to ensure the correct angle is achieved

    • Remote electrical tilt (RET) systems can also be used to adjust the tilt of the antenna electronically

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare basic understanding on antenna and base station antenna.
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Parameter & Lte question
  • Q2. RF KPI & Drop Call
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(2 Questions)

  • Q1. Why nokia and why this job
  • Ans. 

    Nokia is a global leader in telecommunications technology and I am passionate about RF engineering, making this job a perfect fit for me.

    • Nokia is a renowned company with a strong reputation in the telecommunications industry

    • I have a deep interest in RF engineering and Nokia offers opportunities to work on cutting-edge technologies in this field

    • The company's commitment to innovation and continuous learning aligns with m

  • Answered by AI
  • Q2. Some basic fundamental questions from theory
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com 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 - HR 

(3 Questions)

  • Q1. Work experience, my habit, skills, qualification & my future career planning
  • Q2. Why did you decide to apply this role, tell me about your experience
  • Q3. What about your carrier

Interview Preparation Tips

Topics to prepare for Aerial Telecom Solutions RF Engineer interview:
  • Team Management
  • Engineering
Interview preparation tips for other job seekers - Practice interviewing skills, stay positive, network, show how you add value

Interview Preparation Tips

Interview preparation tips for other job seekers - Telephonic
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Antenna basics and its parameters.
  • Q2. How to design an array antenna.
  • Ans. 

    Array antennas are designed by arranging multiple antenna elements in a specific configuration to achieve desired radiation pattern and performance.

    • Determine the desired radiation pattern and performance requirements

    • Select the type of array configuration (linear, planar, conformal, etc.)

    • Calculate the spacing between antenna elements based on wavelength and array factor

    • Design feeding network to properly feed each antenn...

  • Answered by AI
Round 2 - Technical 

(2 Questions)

  • Q1. What is your previous work?
  • Q2. Base on the previous works, basics questions have been asked/

Interview Preparation Tips

Interview preparation tips for other job seekers - Focus on basics and practical aspects as well.
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. What is NR Technology?
  • Ans. 

    NR Technology stands for New Radio Technology, which is the global standard for a unified, more capable 5G wireless air interface.

    • NR Technology is the foundation of 5G wireless communication systems.

    • It provides higher data rates, lower latency, and increased reliability compared to previous generations.

    • NR Technology operates in both sub-6 GHz and mmWave frequency bands.

    • It enables new use cases such as IoT, smart cities

  • Answered by AI
  • Q2. What is difference between coupler and tapper?
  • Ans. 

    A coupler is a device used to split or combine RF signals, while a tapper is used to attenuate a portion of the signal.

    • Coupler splits or combines RF signals, while tapper attenuates a portion of the signal

    • Coupler has multiple ports for signal input/output, tapper typically has one input and two outputs

    • Coupler has a fixed coupling ratio, tapper allows for adjustable attenuation levels

  • Answered by AI

Interview Questionnaire 

12 Questions

  • Q1. LTE Architecture
  • Q2. Interface between LTE
  • Ans. 

    Interface between LTE refers to the connection between the LTE network and other networks or devices.

    • LTE interfaces with other cellular networks such as 3G and 2G through inter-RAT handover

    • LTE also interfaces with non-cellular networks such as Wi-Fi and Ethernet through evolved packet core (EPC)

    • LTE devices interface with the LTE network through the air interface using radio frequency signals

    • LTE also interfaces with cor...

  • Answered by AI
  • Q3. What is X2 interface
  • Ans. 

    X2 interface is a communication interface between two eNodeBs in LTE network.

    • X2 interface is used for inter-cell handover and load balancing.

    • It is a point-to-point interface that connects two eNodeBs.

    • X2 interface is used for exchanging control and user plane data between eNodeBs.

    • It is a critical interface for LTE network performance and reliability.

    • X2 interface supports various protocols such as S1AP, GTP, and RANAP.

  • Answered by AI
  • Q4. Channels of LTE
  • Ans. 

    LTE has 20 MHz bandwidth divided into 100 resource blocks. Each resource block has 12 subcarriers and 7 symbols.

    • LTE has 20 MHz bandwidth

    • Divided into 100 resource blocks

    • Each resource block has 12 subcarriers and 7 symbols

  • Answered by AI
  • Q5. KPI of LTE
  • Ans. 

    KPIs (Key Performance Indicators) of LTE include throughput, latency, coverage, and call setup success rate.

    • Throughput measures the amount of data that can be transmitted over the network in a given time period.

    • Latency measures the time it takes for data to travel from the source to the destination.

    • Coverage measures the area where the network signal is available.

    • Call setup success rate measures the percentage of succes...

  • Answered by AI
  • Q6. What is CSFB?
  • Ans. 

    CSFB stands for Circuit Switched Fallback, a technology that allows LTE devices to fallback to 2G or 3G networks for voice calls.

    • CSFB is used when a LTE device is unable to make a voice call over the LTE network.

    • It allows the device to switch to a 2G or 3G network for voice calls.

    • CSFB is a temporary solution until VoLTE (Voice over LTE) becomes more widely available.

    • CSFB can cause call setup delays and impact the user

  • Answered by AI
  • Q7. Why OFDMA technique used in LTE?
  • Ans. 

    OFDMA is used in LTE to improve spectral efficiency and support multiple users simultaneously.

    • OFDMA allows for multiple users to share the same frequency band by dividing it into smaller subcarriers.

    • It also enables dynamic allocation of subcarriers to users based on their bandwidth requirements.

    • This results in better spectral efficiency and higher data rates.

    • OFDMA is also resistant to interference and fading, making it...

  • Answered by AI
  • Q8. Differentiate FDD & TDD
  • Ans. 

    FDD and TDD are two different duplexing techniques used in wireless communication.

    • FDD stands for Frequency Division Duplexing and TDD stands for Time Division Duplexing.

    • In FDD, separate frequency bands are used for uplink and downlink communication, while in TDD, the same frequency band is used for both uplink and downlink communication.

    • FDD is used in technologies like 2G, 3G, and 4G LTE, while TDD is used in technolog...

  • Answered by AI
  • Q9. What is massive MIMO?
  • Ans. 

    Massive MIMO stands for Massive Multiple Input Multiple Output. It is a wireless communication technology that uses a large number of antennas at the base station to improve network performance.

    • Massive MIMO uses a large number of antennas at the base station to improve network performance.

    • It can significantly increase the capacity and coverage of wireless networks.

    • It works by using spatial multiplexing to transmit mult...

  • Answered by AI
  • Q10. LTE Channels
  • Q11. LTE Call Flow
  • Q12. Type of Handover & its process
  • Ans. 

    Handover is the process of transferring an ongoing call or data session from one cell to another.

    • There are two types of handover: Hard Handover and Soft Handover.

    • Hard Handover involves breaking the connection with the current cell before establishing a connection with the new cell.

    • Soft Handover involves establishing a connection with the new cell before breaking the connection with the current cell.

    • The handover process...

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Mar 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Don’t add your photo or details such as gender, age, and address in your resume. These details do not add any value.
View all tips
Round 2 - HR 

(5 Questions)

  • Q1. About ur self are u fresher or do any work
  • Ans. Iam working as RF survey engineer
  • Answered Anonymously
  • Q2. What will be salery there
  • Q3. Did u work field work
  • Q4. What will be ur expectation
  • Ans. 

    My expectation is to work in a challenging and dynamic environment where I can utilize my skills and knowledge to contribute to the success of the company.

    • Opportunity to work on cutting-edge RF technologies

    • Collaborative and supportive team environment

    • Clear communication and feedback from management

    • Opportunities for professional growth and development

    • Competitive salary and benefits package

  • Answered by AI
  • Q5. Please send ur documents

Interview Preparation Tips

Interview preparation tips for other job seekers - Do ur work with honestly
Focus on improve ur skills

Tata Communications Interview FAQs

How many rounds are there in Tata Communications RF Engineer interview?
Tata Communications interview process usually has 2 rounds. The most common rounds in the Tata Communications interview process are Technical and Resume Shortlist.
How to prepare for Tata Communications RF Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Tata Communications. The most common topics and skills that interviewers at Tata Communications expect are 2G, 3G, LTE, Networking and RAN.
What are the top questions asked in Tata Communications RF Engineer interview?

Some of the top questions asked at the Tata Communications RF Engineer interview -

  1. What kind of device are you working ...read more
  2. How much gain was the...read more

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Tata Communications RF Engineer Salary
based on 16 salaries
₹1.8 L/yr - ₹4.8 L/yr
27% less than the average RF Engineer Salary in India
View more details

Tata Communications RF Engineer Reviews and Ratings

based on 4 reviews

4.5/5

Rating in categories

3.9

Skill development

4.7

Work-Life balance

4.5

Salary & Benefits

4.7

Job Security

4.2

Company culture

4.2

Promotions/Appraisal

3.9

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