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An SPW Implementation of Wideband DS-CDMA Forward Link Physical Layer

This paper describes an implementation of the forward link physical layer of the wideband DS-CDMA as described in the preliminary ETSI W-CDMA specification for UMTS [1]. The channel definitions, the frame structure, and the transmission formats for the forward link channels are presented, and the implementation in SPW is described in detail. The description of forward error correction coding and decoding is excluded. However, the implementation of the pilot-aided Rake receiver is explained in great detail.