name: DTCH
full_form: Dedicated Traffic Channel
context: This measurement provides the usage (in percentage) of physical resource blocks (PRBs) on the uplink for DTCH traffic. The measurement is split into subcounters per E-RAB QoS level (QCI). If there is one or more RNs served in a cell, for that cell the eNodeB performs PRB usage measurements separately for all traffic (including transmissions to/from RNs and UEs directly connected to the eNodeB) and for RN traffic. The measurement is also applicable to RNs. SI This measurement is obtained according to the definition in 3GPP TS 36.314[ Evolved Universal Terrestrial Radio Access  (E-UTRA); Layer 2 - Measurements ]  [11]. Separate counters are maintained for each QCI. The sum of all supported per QCI measurements shall equal the total PRB usage for DTCH. In case only a subset of per QCI measurements is supported, a sum subcounter will be provided first. Each measurement is an integer value from 0 to 100. The number of measurements is equal to the number of QCIs plus a possible sum value identified by the .sum suffix. The measurement name has the form RRU.PrbUl.QCI, which indicats the UL PRB Usage for all traffic RRU.PrbUlRN.QCI, which indicates the UL PRB Usage for the RN traffic where QCI identifies the E-RAB level quality of service class. EUtranCellFDD EUtranCellTDD Valid for packet switched traffic EPS
description: The Dedicated Traffic Channel (DTCH) is a type of channel in the Evolved Universal Terrestrial Radio Access Network (E-UTRAN) that carries user data and control signals between the User Equipment (UE) and the eNodeB. It is used for packet switched traffic in the EPS (Evolved Packet System). The DTCH is characterized by its usage of physical resource blocks (PRBs) on the uplink, which can be measured and reported separately for different E-RAB QoS levels (QCI).
explanation: DTCH is classified as a Channel because it refers to a specific path or medium through which data is transmitted between network elements in the E-UTRAN. The context provided highlights its role in carrying user traffic and control signals, aligning with the definition of a channel in telecommunications.
section_title: 4.5.2 UL PRB Usage for traffic
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