3 Definitions abbreviations and symbols
07.603GPPGeneral Packet Radio Service (GPRS)Mobile Station (MS) supporting GPRSTS
3.1 Definitions
Refer to: GSM 02.60 [2].
In GSM 02.02 the bearer services are described. The general network configuration is described in GSM 03.02 and the GSM PLMN access reference configuration is defined in GSM 04.02. The various connection types used in the GSM PLMN are presented in GSM 03.10. Terminology used in the present document is presented in GSM 01.04. For support of data services between GSM PLMN and other networks see GSM 09-series of Specifications.
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
APN Access Point Name
GGSN Gateway GPRS Support Node
GPRS General Packet Radio Service
GSN GPRS Support Node
GTP GPRS Tunnelling Protocol
HDLC High Level Data Link Control
ICMP Internet Control Message Protocol
IETF Internet Engineering Task Force
IP Internet Protocol
IPv4 Internet Protocol version 4
IPv6 Internet Protocol version 6
LA Location Area
LAPB Link Access Protocol Balanced
LCP Link Control Protocol
LLC Logical Link Control
MAC Medium Access Control
ME Mobile Equipment
MS Mobile Station
MT Mobile Termination
NCP Network Control Protocol
PAD Packet Assembler/Disassembler
PDN Packet Data Network
PDP Packet Data Protocol , e.g., IP, X.25 or PPP
PDU Protocol Data Unit
PSPDN Packet Switched Public Data Network
PTM Point To Multipoint
PTP Point To Point
PVC Permanent Virtual Circuit
RA Routing Area
SGSN Serving GPRS Support Node
SNDCP SubNetwork Dependent Convergence Protocol
TE Terminal Equipment
TCP Transmission Control Protocol
UDP User Datagram Protocol
3.3 Symbols
For the purposes of the present document, the following Symbols apply:
Gb Interface between an SGSN and a BSC.
Gi Reference point between GPRS and an external packet data network.
Gn Interface between two GSNs within the same PLMN.
Gp Interface between two GSNs in different PLMNs. The Gp interface allows support of GPRS network services across areas served by the co-operating GPRS PLMNs.
Gs Interface between an SGSN and MSC.
R The reference point between a non-ISDN compatible TE and MT. Typically this reference point supports a standard serial interface.
Um The interface between the MS and the GPRS fixed network part. The Um interface is the GPRS network interface for providing packet data services over the radio to the MS. The MT part of the MS is used to access the GPRS services through this interface.