Telenor RF DT Engineer Interview Questions and Answers

Q1. Basic questions on antenna parameters.
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Q2. Design aspects of Antenna array.
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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...read more
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Q1. Theoretical understanding on base station antenna.
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Q2. How will you get the tilt in the base station antenna?
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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
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Q1. Parameter & Lte question
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Q2. RF KPI & Drop Call
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Coding test on C and C++.

Q1. Question based on C and cpp coding and data structure.
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Q1. Antenna basics and its parameters.
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Q2. How to design an array antenna.
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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...read more
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Q1. What is your previous work?
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Q2. Base on the previous works, basics questions have been asked/
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Q1. What is NR Technology?
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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
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Q2. What is difference between coupler and tapper?
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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
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Q1. Java basics including collection framework
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Q2. Rest api and frameworks like spring boot
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Q1. Talk about yourself
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