3 Definitions and abbreviations

25.3013GPPRadio interface protocol architectureTS

3.1 Definitions

For the purposes of the present document, the terms and definitions given in [3] apply.

3.2 Abbreviations

For the purposes of the present document, the following abbreviations apply:

ARQ Automatic Repeat Request

AS Access Stratum

ASC Access Service Class

BCCH Broadcast Control Channel

BCH Broadcast Channel

BMC Broadcast/Multicast Control

C- Control-

CC Call Control

CCCH Common Control Channel

CCH Control Channel

CCTrCH Coded Composite Transport Channel

CN Core Network

CRC Cyclic Redundancy Check

CTCH Common Traffic Channel

DC Dedicated Control (SAP)

DCA Dynamic Channel Allocation

DCCH Dedicated Control Channel

DCH Dedicated Channel

DL Downlink

DRNC Drift Radio Network Controller

DSCH Downlink Shared Channel

DTCH Dedicated Traffic Channel

E-DCH Enhanced Dedicated Channel

FACH Forward Link Access Channel

FCS Frame Check Sequence

FDD Frequency Division Duplex

GC General Control (SAP)

HARQ Hybrid Automatic Repeat Request

HO Handover

HS-DSCH High Speed Downlink Shared Channel

HS-PDSCH High Speed Physical Downlink Shared Channel

JBM Jitter Buffer Management

ITU International Telecommunication Union

kbps kilobits per second

L1 Layer 1 (physical layer)

L2 Layer 2 (data link layer)

L3 Layer 3 (network layer)

LAC Link Access Control

LAI Location Area Identity

MAC Medium Access Control

MBMS Multimedia Broadcast Multicast Service

MCCH MBMS point-to-multipoint Control Channel

MM Mobility Management

MRNC MBMS Master RNC

MSCH MBMS point-to-multipoint Scheduling Channel

MTCH MBMS point-to-multipoint Traffic Channel

NAS Non-Access Stratum

Nt Notification (SAP)

PCCH Paging Control Channel

PCH Paging Channel

PDCP Packet Data Convergence Protocol

PDU Protocol Data Unit

PHY Physical layer

PhyCH Physical Channels

RAB Radio Access Bearer

RACH Random Access Channel

RB Radio Bearer

RLC Radio Link Control

RNC Radio Network Controller

RNS Radio Network Subsystem

RNTI Radio Network Temporary Identity

RRC Radio Resource Control

SAP Service Access Point

SDU Service Data Unit

SHCCH Shared Channel Control Channel

SRNC Serving Radio Network Controller

SRNS Serving Radio Network Subsystem

SYNC Synchronization User Plane Protocol

TCH Traffic Channel

TDD Time Division Duplex

TFCI Transport Format Combination Indicator

TFI Transport Format Indicator

TFRI Transport Format and Resource Indicator

TMSI Temporary Mobile Subscriber Identity

TPC Transmit Power Control

TSN Transmit Sequence Number

U- User-

UE User Equipment

UL Uplink

UMTS Universal Mobile Telecommunications System

URA UTRAN Registration Area

USCH Uplink Shared Channel

UTRA UMTS Terrestrial Radio Access

UTRAN UMTS Terrestrial Radio Access Network

UuS Uu (Radio Interface) Stratum