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Maksat Technologies RF Engineer Interview Questions and Answers
Maksat Technologies RF Engineer Interview Experiences
3 interviews found
Anonymous
Selected
I applied via Company Website and was interviewed in Aug 2022. There were 2 interview rounds.
(2 Questions)
- Q1. 1).Q,2G,3G,4G, ke bareme puchethe 2).redio frequency ke bareme puchethe Ans).i have a good technical skill and experience of 1.3 years seeking a position as RF DRIVE TEST Engineer where I can use all my ...
- Q2. 1).2G,3G,4G, ke bareme puchethe 2).redio frequency ke bareme puchethe
Interview Preparation Tips
I applied via Referral and was interviewed in Dec 2021. There was 1 interview round.
(3 Questions)
- Q1. My self, qualifications
- Q2. Fresher questions Bca according question
- Q3. Field Training questions
Interview Preparation Tips
I applied via Recruitment Consultant and was interviewed in Jul 2017. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. About some telecom basis work
Interview Preparation Tips
Experience: How to manage team
General Tips: In a interview if we go we have fully polite
and also know about this company where
You go
Skills: Communication, Body Language, Leadership, Presentation Skills, Decision Making Skills
Duration: <1 week
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Interview questions from similar companies
(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...
(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
Interview Preparation Tips
(2 Questions)
- Q1. Parameter & Lte question
- Q2. RF KPI & Drop Call
Ellie Riahi
(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
- Q2. Some basic fundamental questions from theory
Selected
I applied via Naukri.com and was interviewed in Oct 2022. There were 2 interview rounds.
(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
- Team Management
- Engineering
Selected
I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.
(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...
(2 Questions)
- Q1. What is your previous work?
- Q2. Base on the previous works, basics questions have been asked/
Interview Preparation Tips
(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
- 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
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...
- 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.
- 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
- 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...
- 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
- 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...
- 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...
- 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...
- 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...
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Maksat Technologies RF Engineer Reviews and Ratings
based on 41 reviews
Rating in categories
|
RF Engineer
141
salaries
|  ₹2 L/yr - ₹5.2 L/yr |
|
Network Engineer
48
salaries
| ₹2.2 L/yr - ₹4 L/yr |
|
Team Lead
46
salaries
| ₹2.5 L/yr - ₹4.6 L/yr |
|
Team Coordinator
29
salaries
| ₹2.4 L/yr - ₹4.8 L/yr |
|
Field Engineer
20
salaries
| ₹2 L/yr - ₹3.8 L/yr |
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