Quiz 2 - GSM Flashcards
What is GSM?
The Global System for Mobile Communications
What components comprise the Mobile Station (MS)
ME + SIM
What media does GSM use in Layer 1 of the OSI model?
Radio Waves
What functions does the CM layer provide?
Short Message Services
Call Control
Supplementary Services
What are the classes of Control Channels?
What are the major classes of logical channels in GSM?
Control Channels
Traffic Channels
Which GSM layer 3 sublayer manages location?
MM
What does the RR sublayer do?
Handles radio connections
What are the Management types in Layer 3 GSM?
Connection Management
Radio Resource Management
Mobility Management
Which sublayer is responsible for security in GSM?
MM
In GSM, which channel is used for voice, video, data, or multimedia calls?
B-channel
What is the BSS?
Base Station System
What length is an LAPDm Frame?
184 bits
What does the B in B-channel indicate?
Bearer
Which elements are part of the Layer III message format?
Message Type (MT)
Protocol Discriminator (PD)
Information Elements (IE)
Transaction Identifier (TI)
