ZTE Corporation BSS Engineer Interview Questions and Answers

Q1. Parameter & Lte question
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Q2. RF KPI & Drop Call
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Q1. 2G, 3G, 4G, 5G Architecture
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Q1. Salary package, location, 24*7 shift
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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
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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
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Q1. LTE call flow and kpi
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According basic information about your previous company

Q1. Technical knowledge and other required information
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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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Q1. All things considered about me
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Q2. Take all information about my job responsibilities
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Q3. Take all information my carrier
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