What are the protocols used in GSM?
GSM – Protocol Stack
- MS Protocols. Based on the interface, the GSM signaling protocol is assembled into three general layers −
- MS to BTS Protocols. The RR layer is the lower layer that manages a link, both radio and fixed, between the MS and the MSC.
- BSC Protocols.
- MSC Protocols.
What are different elements and interfaces used in GSM?
GSM network architecture elements
- Network and Switching Subsystem (NSS)
- Base-Station Subsystem (BSS)
- Mobile station (MS)
- Operation and Support Subsystem (OSS)
How many interface are there in GSM?
When an interface is open, it also strictly defines what is happening through the interface, and this in turn strictly defines what kind of actions/procedures/functions must be implemented between the interfaces. The GSM specifications define two truly open interfaces within the GSM network.
What are the three main parts of GSM architecture?
The GSM architecture consists of three major interconnected subsystems that interact with themselves and with users through certain network interface. The subsystems are Base Station Subsystem (BSS), Network Switching Subsystem (NSS) and Operational Support Subsystem (OSS).
What are the three types of services in GSM?
GSM – User Services
- Telephony services or teleservices.
- Data services or bearer services.
- Supplementary services.
What is the architecture of the GSM protocol?
It describes architecture of GSM protocol layers viz. layer 1 (PHY) and layer 2 (LAPD,LAPDm). Let us understand GSM Layer 1, Layer 2 and Layer 3 modules of MS (Mobile Station),BTS (Base Transceiver Station),BSC (Base Station Controller) and MSC (Mobile Switching Center).
Which is an interface in the GSM network?
In the following table, you will find a list of interfaces and the network elements they are used to connect between elements in the GSM Mobile Network: An internal interface in the BSS (base station). Links between the BSC and BTS. Enables control of the radio frequency allocation in the BTS Between the MSC and the VLR.
How does the GSM network interface work with GPRS?
GSM Network Interfaces connect between different elements in the 2G (GSM) mobile communication network, which is based on the SS7 protocol stack. The connection between the GPRS system and the GSM core network (NSS) also uses the SS7 protocol.
How to explore the GSM protocol stack MS?
GSM protocol stack can be explored by studying deep into gsm protocol layers at various network elements viz. MS, BTS, BSC and MSC. For more information on gsm protocol architecture, refer gsm network architecture elements. Refer GPRS protocol stack for more information.