QCI (QoS Class Identifier)

E123447

3GPP standardized parameter LTE quality of service parameter

QCI (QoS Class Identifier) is a standardized LTE parameter that categorizes traffic into different quality-of-service classes, defining priorities, delay budgets, and packet loss characteristics for various services.

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All labels observed (2)

Label	Occurrences
QoS Class Identifier	2
QCI (QoS Class Identifier) canonical	1

Statements (49)

Predicate	Object
instanceOf	3GPP standardized parameter ⓘ LTE quality of service parameter ⓘ
abbreviationOf	QCI (QoS Class Identifier) self-linksurface differs ⓘ surface form: QoS Class Identifier
appliesTo	EPS bearer ⓘ LTE data flow ⓘ
associatedWith	GBR bearer ⓘ non-GBR bearer ⓘ
belongsToDomain	mobile telecommunications ⓘ quality of service ⓘ
characterizes	packet forwarding treatment ⓘ
definedBy	3GPP ⓘ
defines	packet delay budget ⓘ packet error loss rate ⓘ priority level ⓘ resource type (GBR or non-GBR) ⓘ
fullName	QCI (QoS Class Identifier) self-linksurface differs ⓘ surface form: QoS Class Identifier
hasExtension	operator-specific QCIs (values above standardized range) ⓘ
hasProperty	does not directly encode bit rate ⓘ is referenced in PCC rules ⓘ is signaled during bearer setup ⓘ standardized per-QCI characteristics are pre-configured in the network ⓘ
hasRole	QoS class identifier for EPS bearers ⓘ
hasValueRange	1–9 (original standardized QCIs) ⓘ
implementedBy	EPC QoS enforcement functions ⓘ eNodeB scheduler ⓘ
influences	buffer management ⓘ congestion handling ⓘ packet scheduling priority ⓘ
mapsTo	ARP (Allocation and Retention Priority) ⓘ
relatedConcept	QoS policy rule ⓘ bearer QoS profile ⓘ traffic class ⓘ
relatedTo	5QI (5G QoS Identifier) ⓘ
specifiedIn	3GPP TS 23.203 ⓘ 3GPP TS 36.300 ⓘ
timeIntroduced	LTE Release 8 era ⓘ
typicalUseCase	IMS signaling (e.g., QCI 5) ⓘ best-effort data (e.g., QCI 9) ⓘ conversational voice (e.g., QCI 1) ⓘ video streaming (e.g., QCI 2, QCI 4) ⓘ
usedFor	QoS differentiation between services ⓘ admission control ⓘ bearer establishment ⓘ policy and charging control ⓘ scheduling decisions in eNodeB ⓘ traffic classification ⓘ
usedIn	E-UTRAN ⓘ EPC ⓘ surface form: EPC (Evolved Packet Core) LTE ⓘ

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

LTE → QoSMechanism → QCI (QoS Class Identifier) ⓘ

QCI (QoS Class Identifier) → fullName → QCI (QoS Class Identifier) self-linksurface differs ⓘ

this entity surface form: QoS Class Identifier

QCI (QoS Class Identifier) → abbreviationOf → QCI (QoS Class Identifier) self-linksurface differs ⓘ

this entity surface form: QoS Class Identifier