EDGE

The Evolution of the GSM Network

The existing mobile digital communications network continues to develop, in order to increase capacity, coverage, quality and data transmission rates. There have been a series of developments that are now starting to be deployed with the aim of enhancing the GSM network functionality.

The next section shows the enhancements planned for the next few years, starting off with High Speed Circuit Switched Data (HSCD). The next development is General Packet Radio Services (GPRS), this is a packet-switched service that allows full mobility and wide-area coverage. Enhanced Data rates for GSM Evolution (EDGE) will use enhanced modulation and related techniques, further improving local mobility. Universal Mobile Telecommunications System (UMTS) will include second and third generation services.

Figure 18 Evolution of GSM Data Service

Figure 18 Evolution of GSM Data Service
(Adapted from Ericsson Document EN/LZT 123 5374 R1B)


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