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 MSC/VLR. Both of those interfaces are based on the ‘SS7’ […]
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 the GGSNs when they exist within the same mobile network. […]
Your Guide for Roaming architecture in GPRS
To understand Roaming architecture in GPRS, there are a few terms we have to understand, Outbound roaming The outbound roaming user simply means that you are travelling outside your country, […]
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, and P-TMSI. IMSI IMSI refers to ‘International Mobile Subscriber Identity’, […]
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 the 2G sites. In addition, every 3G or 2G sites, […]
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 to send and receive data to and from the PDN, […]
SGSN, GGSN – GPRS network architecture
GPRS refers to ‘General Packet Radio Service’. The GPRS network aims to transfer data and signaling in an efficient manner, and optimize the use of network and radio resources. GPRS […]