3 Definitions and abbreviations

26.3483GPPNorthbound Application Programming Interface (API) for Multimedia Broadcast/Multicast Service (MBMS) at the xMB reference pointRelease 17TS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in 3GPP TR 21.905 [1] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in 3GPP TR 21.905 [1].

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in 3GPP TR 21.905 [1] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in 3GPP TR 21.905 [1].

5GMS 5G Media Streaming

ARP Allocation and Retention Priority

BM-SC Broadcast-Multicast – Service Centre

DASH Dynamic Adaptive Streaming over HTTP

DTLS Datagram Transport Layer Security

FEC Forward Error Correction

GBR Guaranteed Bitrate

HLS HTTP Live Streaming

MPD Media Presentation Description

QCI QOS Class Identifier

QOS Quality of Service

QOE Quality of Experience

ROM Receive Only Mode

RTSP Real-Time Streaming Protocol

RTP Real Time Transport Protocol

RTCP Real Time Transport Control Protocol

SACH Service Announcement Channel

SAI Service Area Identity

SCEF Service Capability Exposure Function

SDP Session Description protocol

TLS Transport Layer Security

TV Television

UE User Equipment

UDP User Datagram Protocol

URL Uniform Resource Locator

UTC Universal Time Coordinated