12.15 Temporary Flow Identity (TFI)

3GPP44.060General Packet Radio Service (GPRS)Mobile Station (MS) - Base Station System (BSS) interfaceRadio Link Control / Medium Access Control (RLC/MAC) protocolRelease 17TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

The Temporary Flow Identity (TFI) uniquely identifies either a single uplink Temporary Block Flow (TBF) or a single downlink Temporary Block Flow (TBF).

Table 12.15.1: UPLINK_TFI information element details

UPLINK_TFI (5 bit field)
The Temporary Flow Identity field identifies an uplink Temporary Block Flow (TBF). This field is encoded as a binary number.
Range 0 to 31

Table 12.15.2: DOWNLINK_TFI information element details

DOWNLINK_TFI (5 bit field)
The Temporary Flow Identity field identifies a downlink Temporary Block Flow (TBF). This field is encoded as a binary number.
Range 0 to 31