RF Coordinator Interview Questions and Answers

The first contact node in a 4G network is the eNodeB, which connects user devices to the core network.

• eNodeB (Evolved Node B): This is the base station in a 4G network that communicates directly with user equipment (UE).

• Radio Access Network (RAN): The eNodeB is part of the RAN, providing the radio interface for mobile devices.

• Connection to EPC: The eNodeB connects to the Evolved Packet Core (EPC), facilitating data and voice services.

• Mobility Management: eNodeB handles user m...read more

The interface between HSS and SCSCG facilitates communication and data exchange in mobile networks for user management.

• HSS (Home Subscriber Server): Central database that manages user profiles, authentication, and service subscriptions.

• SCSCG (Service Control Session Control Gateway): Manages service sessions and controls the flow of data between the user and network services.

• Interface Role: HSS provides user authentication and service information to SCSCG, enabling it to enfo...read more

The number of KPIs in CLUSTTER, SSCVT, and SCFT varies.

• CLUSTTER may have 5 KPIs

• SSCVT may have 8 KPIs

• SCFT may have 10 KPIs

• The exact number of KPIs can vary depending on the specific implementation and requirements

RSRP, RSRQ, and SINR are all measurements used in wireless communication to determine signal strength and quality.

• RSRP (Reference Signal Received Power) measures the power of the signal received by the device from the base station.

• RSRQ (Reference Signal Received Quality) measures the quality of the received signal, taking into account the interference and noise.

• SINR (Signal-to-Interference-plus-Noise Ratio) measures the ratio of the signal power to the interference and noise ...read more