A simple-language tutorial covering GSM architecture, specs, operations, protocol stack, user services, security, billing, and mobile phones.
This tutorial explains GSM (Global System for Mobile Communication) as a digital cellular standard using TDMA. It covers architecture, specifications, addresses, operations, protocol stack, user services, security, billing, and mobile phones. Designed for beginners, it provides foundational knowledge for further study in GSM technology.
The document is structured into chapters covering GSM’s history, network components, modulation, frequency bands, identifiers like IMEI and IMSI, operations with PSTN, protocol stack layers, user services, security, billing models, and mobile phone functionality.
GSM stands for Global System for Mobile Communication and is a digital cellular technology used for transmitting mobile voice and data services.
GSM operates on the mobile communication bands 900 MHz and 1800 MHz in most parts of the world, and in the US, it operates in the bands 850 MHz and 1900 MHz.
GSM has an ability to carry 64 kbps to 120 Mbps of data rates.