NR Switch N Radio Services FME Engineer Interview Questions and Answers

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

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

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

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