Agilent - The Third Generation Partnership Project (3GPP) system employs wideband CDMA in both frequency division duplex (FDD) and time division duplex (TDD) modes. To limit its scope, this application note focuses on the FDD mode of W-CDMA, although most

of the content is applicable to both modes. Whenever the term W-CDMA is used throughout the application note it is in reference to the 3GPP (Release 99) specifications for W-CDMA FDD mode. Specific reference to later releases of the specifications are made when appropriate.

This application note focuses on the physical layer (layer 1) aspects of W-CDMA base transceiver stations (BTS).

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