Integrated Wireless Solutions RF Engineer Interview Questions, Process, and Tips

Q1. What are the parameters in LTE?
Ans. 
Parameters in LTE include bandwidth, frequency, modulation scheme, coding scheme, and transmission power.
• Bandwidth: Determines the amount of frequency spectrum allocated for LTE transmission.

• Frequency: Specifies the carrier frequency used for LTE communication.

• Modulation scheme: Defines how data is encoded onto the carrier signal.

• Coding scheme: Determines the error correction capabilities of the LTE system.

• Transmission...read more
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Q2. What is VoLTE and explain shortly?
Ans. 
VoLTE stands for Voice over LTE, which allows voice calls to be made over a 4G LTE network.
• VoLTE uses IP packets to transmit voice calls over LTE networks

• Provides higher quality voice calls compared to traditional 2G/3G networks

• Enables faster call setup times and improved battery life on smartphones

• Supports features like HD voice, video calling, and simultaneous voice and data usage

• Examples: Verizon's HD Voice, AT&T's
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Q3. What are the types of Handover
Ans. 
Types of handover include hard handover, soft handover, and softer handover.
• Hard handover involves breaking the connection with the current cell before establishing a connection with the new cell.

• Soft handover allows the mobile device to communicate with multiple cells simultaneously before switching to the new cell.

• Softer handover is a variation of soft handover where the mobile device communicates with multiple secto...read more
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Q4. If hand over not defined in between two cells what will happen?
Ans. 
Call will be dropped when moving from one cell to another
• Handover is essential for seamless transition between cells

• Without handover, call quality may degrade or call may be dropped

• Handover ensures continuity of service as user moves between cells
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Q1. They will provide training
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Q2. They will provide training , we have to pay
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Q3. They train, we have to pay
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It's all about ground job. No fixed location. You have to travel across the country border. But, after getting 2 years of experience your demand will be high in telecom circle.