Explain the concept of Mobile Switching Center Server (MSC-S) in GSM technology.
However, I can provide information on the more commonly known components within GSM networks, which include the Mobile Switching Center (MSC).
- Mobile Switching Center (MSC):
- The Mobile Switching Center is a core component in GSM networks. It performs several key functions related to call routing, mobility management, and signaling in mobile networks.
- MSC is responsible for setting up, releasing, and managing connections for voice and data calls. It also handles handovers between different cells as a mobile user moves.
- Functions of MSC:
- Call Setup and Release: The MSC is involved in the establishment and termination of voice and data calls.
- Mobility Management: It manages the mobility of mobile subscribers, tracking their location and ensuring that calls are properly routed as users move within the network.
- Handover Management: MSC facilitates handovers between different Base Station Controllers (BSCs) and Base Transceiver Stations (BTSs) to maintain a continuous connection as a mobile user moves.
- Interfaces with Other Network Elements:
- Home Location Register (HLR): The MSC communicates with the HLR to obtain subscriber information, including the current location of the mobile user and subscription details.
- Visitor Location Register (VLR): The MSC interacts with the VLR, which temporarily stores information about subscribers who are currently within the jurisdiction of a particular MSC.
- GSM Architecture:
- In GSM, the MSC is a critical part of the core network, and its role is central to call control and mobility management. It interacts with other network elements like the BSC, BTS, HLR, and VLR to ensure seamless communication services.