ClockQualityMetrics (ClockQualityMetrics-r18)

RRC IE · TS 38.331 v19.4.0 (2026-09) · clause 6.3.2

ClockQualityMetrics-r18 is an RRC information element of 3GPP TS 38.331 (38331), the 5G NR Radio Resource Control (RRC) protocol.

First seen v18.0.0 (2024-01) · Last changed v18.1.0 (2024-04)

Definition

The IE ClockQualityMetrics is used to configure RAN timing synchronisation status information as specified in TS 38.473 [36]

ClockQualityMetrics-r18 ::= SEQUENCE {
    synchronisationState-r18        ENUMERATED {locked, holdover, freerun, spare1}                        OPTIONAL,   -- Need N
    tracebilityToUTC-r18            BOOLEAN                                                               OPTIONAL,   -- Need N
    tracebilityToGNSS-r18           BOOLEAN                                                               OPTIONAL,   -- Need N
    clockFrequencyStability-r18     BIT STRING (SIZE(16))                                                 OPTIONAL,   -- Need N
    clockAccuracy-r18               CHOICE {
        value INTEGER (1..40000000),
        index INTEGER (32..47)
    }                                                                                                     OPTIONAL,   -- Need N
    parentTimeSource-r18            ENUMERATED {syncE, pTP, gNSS,atomicClock, terrestialRadio,
        serialTimeCode, nTP, handset, other, spare7,
        spare6, spare5, spare4, spare3, spare2, spare1}           OPTIONAL,   -- Need N
    ...
}

Fields (8)

Used by (1)

• DLInformationTransfer-v1800-IEs

In the viewer

• Read ClockQualityMetrics in v19.4.0
• History of ClockQualityMetrics-r18 across versions
• All versions of TS 38.331
• ASN.1 index