OCS in Mobile Network
OCS refers to "Online Charging System". It is a key component that is responsible for real-time charging for mobile network users.
The OCS interacts with the PCEF that exist on the Gateway (e.g. GGSN or the P-GW), to receive usage information and apply the appropriate charging rules.
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Offline Charging vs. Online Charging in LTE
The type of charging in LTE mobile network, may be Offline Charging or Online Charging. The main difference between the two types, is whether the charging can affect the user data session in real time or not. Offline Charging can not affect the user data session in real time. While the online charging can affect…
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What is an ‘EPS Bearer’ in LTE ?
During 'LTE attach' procedure, the network establishes this EPS Bearer between the UE and the PGW. The PGW assigns an IP address for this Bearer. The UE uses this IP address, in order to communicate with the PDN. In addition, the PGW assigns a QoS for this Bearer, which guarantees the QoS for the data…
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