Wireless WAN


This section will give a closer description of the wireless WAN systems mentioned in the earlier parts. The system's architecture, time-plans and characteristics are described here. As a comparison to the packet switching systems, Ericsson's solutions for GSM-data and HSCSD are included. The terms first, second and third generations cellular systems are introduced. The greatest importance is given to the systems of the second generation, to give a feeling of how far the standardization work has come. The section ends with a summary of the situation.

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