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Content for  TS 48.018  Word version:  16.0.0

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1  ScopeWord‑p. 15

The present document specifies or references procedures used on the Base Station System (BSS) to Serving GPRS Support Node (SGSN) interface for control of GSM packet data services.
The functional split between BSS and SGSN is defined in TS 23.060 which states that a BSS is responsible for local radio resource allocation. The required procedures between BSS and SGSN are defined in detail in the present document.

2  References

The following documents contain provisions which, through reference in this text, constitute provisions of the present document.
  • References are either specific (identified by date of publication, edition number, version number, etc.) or non specific.
  • For a specific reference, subsequent revisions do not apply.
  • For a non-specific reference, the latest version applies. In the case of a reference to a 3GPP document (including a GSM document), a non-specific reference implicitly refers to the latest version of that document in the same Release as the present document.
[1]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]  (void).
[3]  (void).
[4]  (void).
[5]  (void).
[6]  (void).
[7]
TS 23.060: "General Packet Radio Service (GPRS); Service Description; Stage 2".
[8]  (void).
[9]  (void).
[10]
TS 43.064: "Overall description of the GPRS radio interface; Stage 2".
[11]
TS 24.008: "Mobile radio interface Layer 3 specification; Core network protocols; Stage 3".
[12]
TS 44.064: "Mobile Station - Serving GPRS Support Node (MS-SGSN) Logical Link Control (LLC) Layer Specification".
[13]  (void).
[14]
TS 48.008: "Mobile Switching Centre - Base Station System (MSC-BSS) interface; Layer 3 specification".
[15]  (void).
[16]
TS 48.016: "General Packet Radio Service (GPRS); Base Station System (BSS) - Serving GPRS Support Node (SGSN) interface; Network Service"
[17]
TS 29.018: "General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs Interface Layer 3 specification".
[18]
TS 32.008: "Subscriber and equipment trace".
→ to date, withdrawn by 3GPP
[19]
ITU-T Recommendation X.200 (White Book): "Information technology - Open Systems Interconnection - Basic Reference Model: The basic model".
[20]
TS 23.107: "Quality of Service (QoS) concept and architecture".
[21]  (void).
[22]
TS 44.060: "General Packet Radio Service (GPRS); Mobile Station (MS) - Base Station System (BSS) interface; Radio Link Control/Medium Access Control (RLC/MAC) protocol".
[23]
TS 43.059: "Functional Stage 2 Description of Location Services (LCS) in GERAN".
[24]
TS 49.031: "Location Services (LCS); Base Station System Application Part LCS Extension (BSSAP-LE)".
[25]
TS 44.018: "Mobile radio interface layer 3 specification; Radio Resource Control Protocol".
[26]
TR 44.901: "External Network Assisted Cell Change (NACC)".
[27]
TS 23.236: "Intra-domain connection of Radio Access Network (RAN) nodes to multiple Core Network (CN) nodes".
[28]
GSM TS 12.20: "Base Station System (BSS) Management Information".
[29]
TS 43.246: "Multimedia Broadcast Multicast Service (MBMS) in the GERAN Stage 2".
[30]
TS 26.346: "Multimedia Broadcast Multicast Service Protocols and Codecs".
[31]
TS 29.061: "Interworking between the Public Land Mobile Network (PLMN) supporting packet based services and Packet Data Networks (PDN)".
[32]
TS 23.246: "Multimedia Broadcast/Multicast Service (MBMS) Architecture and Functional Description".
[33]
RFC 3588:  "Diameter Base Protocol".
[34]
TS 43.129: "Packet-switched handover for GERAN A/Gb mode; Stage 2".
[35]
TS 36.331: "Evolved Universal Terrestrial Radio Access (E-UTRA); Radio Resource Control (RRC); Protocol specification".
[36]
TS 36.413: "Evolved Universal Terrestrial Radio Access (E-UTRA); S1 Application Protocol (S1AP)".
[37]
TS 24.301: "Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage3".
[38]
TS 25.413: "UTRAN Iu interface Radio Access Network Application Part (RANAP) signalling".
[39]
TS 22.220: "Service Requirements for Home NodeBs and Home eNodeBs".
[40]
TS 23.003: "Numbering, addressing and identification".
[41]
TS 29.060: "GPRS Tunnelling Protocol (GTP) across the Gn and Gp interface".
[42]
TS 25.331: "Technical Specification Group Radio Access Network; Radio Resource Control (RRC)".
[43]
TS 23.251: "Network sharing - Architecture and functional description".
[44]
TS 45.008: "Radio subsystem link control".
[45]
TS 36.300: "Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2".
[46]
TS 29.281: "General Packet Radio System (GPRS) Tunnelling Protocol User Plane (GTPv1-U)"
[47]
3GPP2 C.S0024-B: "cdma2000 High Rate Packet Data Air Interface Specification".
[48]
TS 45.002: "Technical Specification Group GSM/EDGE Radio Access Network; Multiplexing and multiple access on the radio path"
[49]
TS 24.301: "General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access".
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3  AbbreviationsWord‑p. 17

For the purposes of the present document, the abbreviations given in TR 21.905 and in TS 48.016 and the following apply:
ABQP
Aggregate BSS QoS Profile
CBL
Current Bucket Level
CCN
Cell Change Notification
CS
Circuit switched
CSG
Closed Subscriber Group
DCN
Dedicated Core Network
DCN-ID
Dedicated Core Network ID
DL
Downlink
eAN
evolved Access Network
eDRX
Extended Discontinuous Reception
eHRPD
enhanced High Rate Packet Data
eNB
E-UTRAN NodeB
E-UTRA
Evolved UTRA
E-UTRAN
Evolved UTRAN
GWCN
GateWay Core Network
LCS
Location Services
MBMS
Multimedia Broadcast Multicast Service
MME
Mobility Management Entity
MOCN
Multi Operator Core Network
NACC
Network Assisted Cell Change
NRI
Network Resource Identifier
NSE
Network Service Entity
PFC
Packet Flow Context
PFI
Packet Flow Identifier
PFM
Packet Flow Management
PFT
Packet Flow Timer
PS
Packet switched
RAN
Radio Access Network
RIM
RAN Information Management
RRLP
Radio Resource LCS Protocol
RSN
RIM Sequence Number
SIRUG
Service Identification for improved Radio Utilization for GERAN
SON
Self-Organizing Networks
SPID
Subscriber Profile ID for RAT/Frequency priority
TAI
Tracking Area Identity
TMGI
Temporary Mobile Group Identity
TOM
Tunneling of Messages
RIM
RAN Information Management
UL
Uplink
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3.1  Vocabulary |R11|

  • Coverage Class: See definition in TS 43.064.
  • CS/PS coordination enhancements: refers to an improved CS/PS domain registration coordination function when rerouting is performed in a MOCN or in a GWCN configuration for network sharing. The improved CS/PS domain registration coordination is achieved by extended signalling between the BSS and the CN nodes (see TS 23.251).
  • Dedicated Core Networks: Dedicated Core Networks is an optional feature that enables an operator to deploy multiple dedicated core networks within a PLMN where each dedicated core network node may be dedicated to serve specific type (s) of subscribers. The selection of the Dedicated Core Network is based on "UE Usage Type" obtained from the HSS/HLR and operator specific configuration in the SGSN (see TS 23.401).
  • EC operation: See definition in TS 43.064.
  • Extended DRX (eDRX): see TR 21.905.
  • MS assisted Dedicated Core Network selection: MS assisted Dedicated Core Network selection is an optional feature wherein the selection of the Dedicated Core Network to which a BSS routes LLC PDUs, in addition to the selected PLMN, is based on the "DCN-ID" value provided by the MS (see TS 23.401).
  • Network sharing: network sharing is an optional feature that allows different core network operators to connect to the same shared radio access network in a MOCN configuration, and to the same shared radio access network and core network nodes in a GWCN configuration (see TS 23.251). When network sharing is in use within a given cell, the network broadcasts within system information the PLMN identities of the PLMNs sharing the cell. A mobile station supporting network sharing uses this information for its PLMN (re)selection processes and indicates the selected PLMN to the BSS.
  • Null-NRI: Has the same format as the NRI and is used to identify the group of SGSNs that belong to a DCN within a PLMN. A 'null-NRI' indicates to a radio node (BSC/RNC) that the NAS Node Selection Function shall be used for selecting a CN node to receive a message (see TS 23.236).
  • SGSN Group ID: A SGSN Group ID identifies a Dedicated Core Network (DCN) within the PLMN, i.e. the group of SGSNs that belong to a DCN within a PLMN, see TS 23.401.
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