Ooredoo RAN Specialist Interview Questions and Answers

Q1. Basic questions on antenna parameters.
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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...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?
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
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Q1. Routing protocols
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Profit loss, mental ability, computer network

Q1. Technical questions stemmed initially from projects mentioned in CV, and follow up questions thereafter. Mostly based on communications (ISI, OFDM), EM theory, control system basics, digital electronics, s...read more
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Questions about networking and English

Q1. Questions about technical knowledge of network
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Q2. What is arp? What is HSRP? WHAT IS GLBP? WHAT IS NAT
Ans. 
ARP is a protocol used to map an IP address to a physical MAC address on a local network.
• ARP stands for Address Resolution Protocol.

• It operates at the Data Link Layer of the OSI model.

• ARP is used to resolve IP addresses to MAC addresses.

• It is essential for communication between devices on the same network.

• ARP requests are broadcasted to all devices on the network.

• Example: When a computer wants to send data to another d...read more
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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
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Q2. Some basic fundamental questions from theory
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Q1. Ccna basic questions
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Q2. Ccna indepth questions they have asked
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Aptitude test of 1 hour, 3 sections, sectional cut off, aptitude test, resoning, English

Q1. Technical questions regarding LTE and 5G Kpi Optimization
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Q2. HOW YOU MITIGATE UL RSSI IN TDD ,DUCTING EFFECT ,TOOLS ON WHICH I AM WORKING
Ans. FRAME STRUCTURE CHANGE SSF7 TO SSF5 AND Aggressive TILTING OF AGRRESOR WILL HELP
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Q3. HOW YOU CAN IMPROVE CQI
Ans. 
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
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Q1. What is my Salary expectations
Ans. 
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...read more
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