Questions and Answers
What are the three major subsystems in a GSM system?
Network, radio, and operation support
Which interfaces are dominant in the GSM system?
Interface between MSC and BTS, Um interface between BTS and MS
What is the PLMN service area in the GSM system?
The total area served by the combination of all member countries where a mobile can be serviced
What is the significance of the structure in a mobile network?
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Where will all incoming calls for a GSM/PLMN network be routed?
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Study Notes
GSM System Subsystems
- The three major subsystems in a GSM system are:
- Base Station Subsystem (BSS)
- Network and Switching Subsystem (NSS)
- Operation and Support Subsystem (OSS)
Dominant Interfaces in GSM
- The dominant interfaces in the GSM system are:
- Abis interface (between BSS and NSS)
- A interface (between NSS and NSS)
PLMN Service Area
- The PLMN (Public Land Mobile Network) service area in the GSM system is the area covered by a single network operator.
Mobile Network Structure
- The structure in a mobile network is significant because it allows for efficient communication between different components and enables the provision of various services to subscribers.
Call Routing
- All incoming calls for a GSM/PLMN network are routed to the Mobile Switching Center (MSC).
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