This invention presents a system of a multiband MIMO-based W-CDMA and UWB communications for wireless and local area wireless communications. The system includes a W-CDMA base station, an UWB base station, and p-user dual-mode W-CDMA and UWB portable stations. This system allows p-user to transmit and receive a very high-speed multimedia information data based on W-CDMA and UWB communications to access both wireless phones and Internet.

 
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