name: TFCI
full_form: Transport Format Combination Indicator
context: Dedicated uplink physical channels are used to carry the DCH transport channel and control information generated at Layer 1. The Layer 1 control information consists of known pilot bits to support channel estimation for coherent detection, transmit power-control (TPC) commands, feedback information (FBI), and an optional transport-format combination indicator (TFCI). The transport-format combination indicator informs the receiver about the instantaneous transport format combination of the transport channels mapped to the simultaneously transmitted uplink DPDCH radio frame. There is one and only one uplink DPCCH on each radio link. Two types of uplink DPCH, uplink DPDCH and uplink DPCCH are used. The DPDCH and the DPCCH are I/Q code multiplexed within each radio frame Two types of uplink DPCCH; those that include TFCI (e.g. for several simultaneous services) and those that do not include TFCI (e.g. for fixed-rate services) are used. It is the UTRAN that determines if a TFCI should be
description: The Transport Format Combination Indicator (TFCI) is a parameter that informs the receiver about the instantaneous transport format combination of the transport channels mapped to the simultaneously transmitted uplink DPDCH radio frame.
explanation: Based on the context, TFCI is classified as a Parameter because it is described as an indicator that provides information about the transport format combination, which is a critical network attribute for operation.
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