Adaptive WCDMA (P17)

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Adaptive WCDMA (P17)

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UMTS standard: WCDMA/FDD Layer 1 17.1 TRANSPORT CHANNELS AND PHYSICAL CHANNELS (FDD) 17.1.1 Transport channels In the terminology used in wireless communications, ‘transport channels’ are the services offered by Layer 1 to the higher layers. The purpose of this section is to introduce basic terminology and abbreviations used in practice. For more details, see We start with the definition of the channels. • Dedicated transport channel DCH – Dedicated Channel DCH is a downlink or uplink transport channel that is used to carry user or control information between the network and mobile station. DTCH – Dedicated Traffic Channel. SDCCH – Stand-Alone...

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