1、 ETSI TS 136 410 V15.0.0 (2018-07) LTE; Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 general aspects and principles (3GPP TS 36.410 version 15.0.0 Release 15) TECHNICAL SPECIFICATION ETSI ETSI TS 136 410 V15.0.0 (2018-07)13GPP TS 36.410 version 15.0.0 Release 15Reference RTS/TSGR
2、-0336410vf00 Keywords LTE ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enregistre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document
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9、se 15Intellectual Property Rights Essential patents IPRs essential or potentially essential to normative deliverables may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found in ETSI SR 000 31
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11、on, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. Trademarks The present document may
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13、resent document does not constitute an endorsement by ETSI of products, services or organizations associated with those trademarks. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specificatio
14、ns or reports using their 3GPP identities, UMTS identities or GSM identities. These should be interpreted as being references to the corresponding ETSI deliverables. The cross reference between GSM, UMTS, 3GPP and ETSI identities can be found under http:/webapp.etsi.org/key/queryform.asp. Modal verb
15、s terminology In the present document “shall“, “shall not“, “should“, “should not“, “may“, “need not“, “will“, “will not“, “can“ and “cannot“ are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of provisions). “must“ and “must not“ are NOT all
16、owed in ETSI deliverables except when used in direct citation. ETSI ETSI TS 136 410 V15.0.0 (2018-07)33GPP TS 36.410 version 15.0.0 Release 15Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions and abbreviations . 6
17、g33.1 Definitions 6g33.2 Abbreviations . 7g33.3 Specification notations . 7g34 General aspects . 7g34.1 E-UTRAN architecture . 7g34.2 S1 interface general principles . 8g34.3 S1 interface specification objectives 8g34.4 S1 interface capabilities 9g34.5 S1 interface characteristics . 9g34.5.1 Use of
18、the Stream Control Transmission Protocol (SCTP) . 9g35 Functions of the S1 interface protocols and functional split 9g35.1 General . 9g35.2 S1 UE context management function . 9g35.3 E-RAB management functions . 9g35.4 S1 link management function . 10g35.4.1 GTP-U tunnels management function. 10g35.
19、4.2 S1 signalling link management function . 10g35.5 Mobility functions for UEs in LTE_Active 10g35.5.1 Intra-LTE handover 10g35.5.2 Inter-3GPP RAT handover . 10g35.5.3 Mobility to CDMA2000 system . 10g35.6 Paging function 10g35.7 Void 10g35.7a Roaming and access restriction support functions 10g35.
20、8 S1 interface management function . 10g35.9 Coordination functions . 10g35.9.1 Network sharing function . 10g35.9.2 NAS node selection function 11g35.9.3 MME overload control function . 11g35.10 Security function 11g35.10.1 Data confidentiality. 11g35.10.1.1 Radio interface ciphering function 11g35
21、.10.1.2 Ciphering key management function 11g35.10.2 Data integrity 11g35.10.2.1 Integrity checking . 11g35.10.2.2 Integrity key management . 11g35.11 Service and network access function 11g35.11.1 Core network signalling data transfer function . 11g35.11.2 UE tracing . 11g35.11.3 Location reporting
22、 function 11g35.11.4 LTE Positioning Protocol A (LPPa) signalling transfer function . 12g35.11.5 Delivery of warning messages 12g35.12 RAN Information Management (RIM) function 12g35.13 Configuration Transfer function . 12g36 S1 interface protocol structure . 12g36.1 General . 12g3ETSI ETSI TS 136 4
23、10 V15.0.0 (2018-07)43GPP TS 36.410 version 15.0.0 Release 156.2 S1-MME . 13g36.3 S1-U . 13g37 Other S1 interface specifications 13g37.1 E-UTRAN S1 interface: layer 1 (3GPP TS 36.411) . 13g37.2 E-UTRAN S1 interface: signalling transport (3GPP TS 36.412) . 13g37.3 E-UTRAN S1 interface: S1AP specifica
24、tion (3GPP TS 36.413) . 14g37.4 E-UTRAN S1 interface: data transport and transport signalling (3GPP TS 36.414) 14g3Annex A (informative): Change history . 15g3History 16g3ETSI ETSI TS 136 410 V15.0.0 (2018-07)53GPP TS 36.410 version 15.0.0 Release 15Foreword This Technical Specification has been pro
25、duced by the 3rdGeneration Partnership Project (3GPP). The contents of the present document are subject to continuing work within the TSG and may change following formal TSG approval. Should the TSG modify the contents of the present document, it will be re-released by the TSG with an identifying ch
26、ange of release date and an increase in version number as follows: Version x.y.z where: x the first digit: 1 presented to TSG for information; 2 presented to TSG for approval; 3 or greater indicates TSG approved document under change control. y the second digit is incremented for all changes of subs
27、tance, i.e. technical enhancements, corrections, updates, etc. z the third digit is incremented when editorial only changes have been incorporated in the document. ETSI ETSI TS 136 410 V15.0.0 (2018-07)63GPP TS 36.410 version 15.0.0 Release 151 Scope The present document is an introduction to the 3G
28、PP TS 36.41x series of technical specifications that define the S1 interface for the interconnection of the evolved NodeB (eNB) component of the Evolved Universal Terrestrial Radio Access Network (E-UTRAN) to the Core Network (CN) of the Evolved Packet System (EPS). 2 References The following docume
29、nts 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. - Fo
30、r 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 3GPP TR 21.905: “Vocabulary for 3GPP Spec
31、ifications“. 2 3GPP TS 36.401: “Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Architecture description“. 3 3GPP TS 36.411: “Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 layer 1“. 4 3GPP TS 36.412: “Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 s
32、ignalling transport“. 5 3GPP TS 36.413: “Evolved Universal Terrestrial Access (E-UTRA); S1 Application Protocol (S1 AP)“. 6 3GPP TS 36.414: “Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 data transport“. 7 IETF RFC 4960 (2007-09): “Stream Control Transmission Protocol“. 8 3GPP TS
33、29.281: “General Packet Radio Service (GPRS); GPRS Tunnelling Protocol User Plane (GTPv1-U)“. 9 3GPP TS 23.401: “General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access“. 10 3GPP TS 36.455: “Evolved Universal Terrestrial Access (E-UTRA
34、); LTE Positioning Protocol A (LPPa)“. 11 3GPP TS 36.300: “Evolved Universal Terrestrial Radio Access (E-UTRA), Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Overall description; Stage 2“. 12 3GPP TS 33.401: “3GPP System Architecture Evolution (SAE); Security architecture“. 3 Definit
35、ions and abbreviations 3.1 Definitions For the purposes of the present document, the terms and definitions given in 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 TR 21.905 1. Dual Connectivity: mode of op
36、eration of a UE in RRC_CONNECTED, configured with a Master Cell Group and a Secondary Cell Group as defined in TS 36.300 11. ETSI ETSI TS 136 410 V15.0.0 (2018-07)73GPP TS 36.410 version 15.0.0 Release 15E-RAB: as defined in 3GPP TS 36.401 2. 3.2 Abbreviations For the purposes of the present documen
37、t, the abbreviations given in 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 TR 21.905 1. AS Access Stratum CMAS Commercial Mobile Alert Service DC Dual Connectivity E-RAB E-UTRAN Radio Ac
38、cess Bearer eNB E-UTRAN Node B EPC Evolved Packet Core EPS Evolved Packet System ETWS Earthquake and Tsunami Warning System GTP-U GPRS Tunnelling Protocol IP Internet Protocol LTE Long Term Evolution MeNB Master eNB MME Mobility Management Entity O - the S1 interface shall support the exchange of si
39、gnalling information between the eNB and EPC; - from a logical standpoint, the S1 is a point-to-point interface between an eNB within the E-UTRAN and an MME in the EPC. A point-to-point logical interface should be feasible even in the absence of a physical direct connection between the eNB and MME.
40、4.3 S1 interface specification objectives The S1 interface specification shall facilitate the following: - inter-connection of eNBs with MMEs supplied by different manufacturers; - separation of S1 interface Radio Network functionality and Transport Network functionality to facilitate introduction o
41、f future technology. ETSI ETSI TS 136 410 V15.0.0 (2018-07)93GPP TS 36.410 version 15.0.0 Release 154.4 S1 interface capabilities The S1 interface supports: - procedures to establish, maintain and release E-UTRAN Radio Access Bearers; - procedures to perform intra-LTE handover and inter-RAT handover
42、; - the separation of each UE on the protocol level for user specific signalling management; - the transfer of NAS signalling messages between UE and EPC; - location services by transferring requests from the EPC to E-UTRAN, and location information from E-UTRAN to EPC; - mechanisms for resource res
43、ervation for packet data streams. 4.5 S1 interface characteristics 4.5.1 Use of the Stream Control Transmission Protocol (SCTP) The SCTP protocol (IETF RFC 4960 7) is used to support the exchange of S1 Application Protocol (S1AP) signalling messages between an eNB and an MME. 5 Functions of the S1 i
44、nterface protocols and functional split 5.1 General The following clauses describe the functions supported over S1-MME and S1-U to fulfil the S1 interface capabilities. 5.2 S1 UE context management function In order to support UEs in the LTE_ACTIVE state, UE contexts need to be managed, i.e. establi
45、shed and released in the eNB and in the EPC to support user individual signalling on S1. This includes security context management. The S1 UE context management function supports the establishment of the necessary overall initial UE context including E-RAB context, security context, roaming and acce
46、ss restrictions, UE S1 signalling connection ID(s), etc. in the eNB to enable fast idle-to-active transition. The establishment of the overall initial UE context is initiated by the MME. The S1 UE context management function also supports the release of the context previously established in the eNB
47、to enable the active-to-idle transition. The release of the context is triggered by the MME either directly or following a request received from the eNB. 5.3 E-RAB management functions The E-RAB service management function is responsible for establishing, modifying and releasing E-UTRAN resources fo
48、r user data transport once a UE context is available in the eNB. The establishment and modification of E-UTRAN resources is triggered by the MME and requires respective QoS information to be provided to the eNB. For Dual Connectivity when SCG bearer option is applied, the modification of the E-RAB i
49、s triggered by the MeNB towards the MME for the modification of the transport information. The release of E-UTRAN resources is triggered by the MME either directly or following a request received from the eNB (optional). ETSI ETSI TS 136 410 V15.0.0 (2018-07)103GPP TS 36.410 version 15.0.0 Release 155.4 S1 link management function 5.4.1 GTP-U tunnels management function This function is used to establish and release GTP-U (3GPP TS 29.281 8) tunnels between the EPC and the E-UTRAN upon an E-RAB service request. This involves assigning a t
