Patent claim: The device according to claim 11 wherein the processing module is specifically configured to perform the third mapping between the channels as follows when the third mapping is specifically a mapping between a logic channel identity and a transport channel identity mapping an uplink logic channel to an uplink transport channel according to the mapping between the logic channel identity and the transport channel identity or when the third mapping is specifically a mapping between an RB identity and a transport channel identity mapping an uplink logic channel to an uplink transport channel according to the mapping between the RB identity and the transport channel identity and correspondence between the RB identity and a logic channel identity or when the third mapping is specifically a mapping between a logic channel identity and a MAC entity identity mapping according to the mapping between the logic channel identity and the MAC entity identity an uplink logic channel to an uplink transport channel corresponding to a MAC entity or when the third mapping is specifically a mapping between an RB identity and a MAC entity identity mapping according to the mapping between the RB identity and the MAC entity identity and correspondence between the RB identity and a logic channel identity an uplink logic channel to an uplink transport channel corresponding to a MAC entity or when the third mapping is specifically a mapping between a logic channel identity and a transport channel identity mapping a downlink logic channel to a downlink transport channel according to the mapping between the logic channel identity and the transport channel identity or when the third mapping is specifically a mapping between an RB identity and a transport channel identity mapping a downlink logic channel to a downlink transport channel according to the mapping between the RB identity and the transport channel identity and correspondence between the RB identity and a logic channel identity or when the third mapping is specifically a mapping between a logic channel identity and a MAC entity identity mapping according to the mapping between the logic channel identity and the MAC entity identity a downlink logic channel to a downlink transport channel corresponding to a MAC entity or when the third mapping is specifically a mapping between an RB identity and a MAC entity identitymapping according to the mapping between the RB identity and the MAC entity identity and correspondence between the RB identity and a logic channel identity a downlink logic channel to a downlink transport channel corresponding to a MAC entity and perform the fourth mapping between the channels as follows when the fourth mapping is specifically a mapping between a transport channel identity and a physical entity identity mapping according to the mapping between the transport channel identity and the physical entity identity an uplink transport channel to an uplink physical channel corresponding to a physical entity or when the fourth mapping is specifically a mapping between a transport channel identity and a cell identity mapping according to the mapping between the transport channel and the cell identity an uplink transport channel to an uplink physical channel corresponding to a cell or when the fourth mapping is specifically a mapping between a MAC entity identity and a physical entity identity mapping according to the mapping between the MAC entity identity and the physical entity identity an uplink transport channel corresponding to the MAC entity to an uplink physical channel corresponding to a physical entity or when the fourth mapping is specifically a mapping between a MAC entity identity and a cell identity mapping according to the mapping between the MAC entity identity and the cell identity an uplink transport channel corresponding to the MAC entity to an uplink physical channel corresponding to a cell or when the fourth mapping is specifically a mapping between a transport channel identity and a physical entity identity mapping according to the mapping between the transport channel identity and the physical entity identity a downlink transport channel to a downlink physical channel corresponding to the physical entity or when the fourth mapping is specifically a mapping between a transport channel identity and a cell identity mapping according to the mapping between the transport channel and the cell identity an uplink transport channel to an uplink physical channel corresponding to a cell or when the fourth mapping is specifically a mapping between a MAC entity identity and a physical entity identity mapping according to the mapping between the MAC entity identity and the physical entity identity a downlink transport channel corresponding to the MAC entity to a downlink physical channel corresponding to a physical entity or when the fourth mapping is specifically a mapping between a MAC entity identity and a cell identity mapping according to the mapping between the MAC entity identity and the cell identity a downlink transport channel corresponding to the MAC entity to a downlink physical channel corresponding to a cell.

Related passage: After reception and decoding of transmitted packets on enhanced uplink dedicated channel EDCH the Node B has to inform the user equipment if transmission was successful by respectively sending ACKNAK in the downlink.