In fact, cdma2000 is an evolution of the present North American CDMA system called cdmaOne. Thus, we shall begin with a brief description of ...

HDR can be used to enhance data capabilities in existing cdmaOne networks or in stand-alone data networks. With existing CDMA networks, some number of channels are changed from voice to data.

The approach adopted by those developing the CDMA technology from cdmaOne/IS-95 was to have a system in which there was a well-defined migration path forward but with full backward compatibility. As a ...