Ericsson RF Optimization Engineer Interview Questions and Answers

To improve DL throughput in good RF condition, optimize antenna tilt, increase sector capacity, and reduce interference.

• Optimize antenna tilt to improve signal strength and reduce interference

• Increase sector capacity by adding more carriers or using advanced modulation techniques

• Reduce interference by identifying and mitigating sources of interference

• Ensure proper network planning and optimization to maximize DL throughput

• Use advanced technologies like MIMO and beamforming to...read more

The relation between inter and intra cell term point and anchor baseline is important in RF optimization.

• Inter cell term point refers to the point where the signal from one cell ends and the signal from another cell begins.

• Intra cell term point refers to the point within a cell where the signal quality starts to degrade.

• Anchor baseline is a reference point used to measure the performance of a network.

• The relation between these terms helps in optimizing the RF network by ident...read more

To improve BLER, optimize the radio network by adjusting parameters and improving coverage.

• Optimize radio network parameters such as power control, handover parameters, and modulation schemes

• Improve coverage by adding more base stations or adjusting antenna tilt and orientation

• Reduce interference by identifying and mitigating sources of interference

• Perform regular network audits and drive tests to identify and address issues

• Upgrade hardware and software to support newer techn...read more

Handover and drop call issues can be solved by optimizing network parameters, improving coverage and capacity, and troubleshooting hardware and software problems.

• Optimize handover parameters such as handover margin, time-to-trigger, and hysteresis

• Improve coverage by adding more base stations or adjusting antenna tilt and azimuth

• Increase capacity by adding more carriers or sectors

• Troubleshoot hardware issues like faulty cables or connectors

• Troubleshoot software issues like inc...read more

VDR can be improved by optimizing network parameters and reducing interference.

• Optimize antenna tilt and azimuth angles

• Adjust transmit power levels

• Reduce interference from neighboring cells

• Implement advanced interference cancellation techniques

• Use frequency hopping to avoid interference

• Deploy more base stations to improve coverage

• Upgrade network hardware and software

• Perform regular network audits and optimizations