Chapter 3. Unbounded Mobile Communications - What Is It?
In a world where the industrialized nations are rapidly approaching per-capita saturation of cellular phones and the deployment of traditional landlines is rapidly declining, the next generation of mobile communication has stepped onto the stage: unbounded mobile communications, or UMC. Also referred to by other names and acronyms, UMC's desired core function is one that supports a cross-technology integration extending telephony (and data) accessibility beyond the limitations of cellular coverage to include support of other wireless technologies such as WiFi (IEEE 802.11) and WiMAX (IEEE 802.16). The challenge of a cell phone roaming between two technology-compatible carriers (for example, ...
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