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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...
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
I applied via Naukri.com and was interviewed in Oct 2020. There were 3 interview rounds.
I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.
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...
I applied via campus placement at R N S Institute of Technology, Bangalore and was interviewed in May 2024. There were 3 interview rounds.
I was a basic aptitute and 2 coding questions
I applied via Naukri.com and was interviewed in Jan 2023. There were 3 interview rounds.
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...
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 Referral and was interviewed in Aug 2022. There were 4 interview rounds.
Aptitude test of 1 hour, 3 sections, sectional cut off, aptitude test, resoning, English
CQI can be improved by optimizing modulation schemes, increasing bandwidth, and reducing interference.
Optimize modulation schemes to increase data throughput
Increase bandwidth to allow for more data transmission
Reduce interference by using advanced signal processing techniques
Implement MIMO technology to improve signal quality
Use adaptive modulation and coding to adjust to changing channel conditions
My salary expectations for the RF Engineer position are competitive and commensurate with my experience and qualifications.
Research the average salary range for RF Engineers in your location and industry.
Consider your level of experience, education, and any specialized skills or certifications.
Factor in the company's size, reputation, and benefits package.
Be prepared to negotiate and discuss your salary expectations du...
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