What is SPR in 3GPP?
A Subscriber Profile Repository (SPR) is a system for storing and managing subscriber-specific policy control data as defined under the 3GPP standard. An SPR can be deployed in environments where the MPE device needs access to a separate repository for subscriber data.
What is SPR in PCRF?
SPR is the repository to store all business assets, technical assets and configuration items used by the PCRF Server, Central Management Server. This is a mandatory component to run PCRF Server.
What is PCRF and PCEF?
PCRF stands for Policy and Charging Rules Function and PCEF stands for Policy and Charging Enforcement Function. The Policy management is big market and will estimated to hit $2.5B by the year 2018. The policy is evolving which enables new models for the telecom carriers.
What is PCRF LTE?
Policy and Charging Rules Function (PCRF) is the software node designated in real-time to determine policy rules in a multimedia network. As a policy tool, the PCRF plays a central role in next-generation networks.
What is MME in LTE?
The mobility management entity (MME), which presents a key control node for the LTE access network, manages UE access network and mobility, as well as establishing the bearer path for UE’s. The MME is also concerned with the bearer activation/deactivation process.
What is PCRF used for?
What is the role of PCRF in LTE?
The PCRF provides the QoS authorization (QoS class identifier [QCI] and bit rates) that decides how a certain data flow will be treated in the PCEF and ensures that this is in accordance with the user’s subscription profile. PCRF provides service management and control of the 4G service.
What is EPC and IMS?
First of all there is the Evolved Packet Core (EPC) and then there is the IP Multimedia Sub-system (IMS), as shown in Figure 3.15. All user data goes through EPC and the data related to the operator IMS services (such Voice over LTE) goes also via IMS while traffic to the normal internet does not.
