Category: Architecture
Gr interface and Gs interface
The Gr interface exists between the SGSN and the HLR. While the Gs interface exists between the SGSN and the
Gn Interface and Gp Interface
Gn/Gp interface, is the interface between the SGSNs and the GGSNs. ‘Gn interface’ is the interface between the SGSNs and
Roaming Architecture in 2G/3G
To understand Roaming architecture in GPRS, there are a few terms we have to understand, Outbound roaming The outbound roaming
IMSI, MSISDN, IMEI, P-TMSI – Mobile Identifiers
In case there is an MS that is having Dual SIM, every SIM is having its own IMSI, MSISDN, IMEI,
PLMN, LAC, and RAC – GPRS network identifiers
The mobile network contains many RNCs and BSCs. The RNCs connect to the 3G sites, and the BSCs connect to
What is PDP, and Attach in GPRS
What is PDP To know what is ‘PDP’, we should know that in order for an MS to be able
SGSN, GGSN – 2G/3G Network Architecture and Interfaces
2G/3G Network Nodes The following graph shows the 2G/3G Network Architecture. It includes the SGSN, GGSN, HLR, CG, PDN, RNC,