1、 ETSI TS 143 246 V14.0.0 (2017-04) Digital cellular telecommunications system (Phase 2+) (GSM); Multimedia Broadcast/Multicast Service (MBMS) in the GERAN; Stage 2 (3GPP TS 43.246 version 14.0.0 Release 14) TECHNICAL SPECIFICATION GLOBAL SYSTEM FOR MOBILE COMMUNICATIONSRETSI ETSI TS 143 246 V14.0.0
2、(2017-04)13GPP TS 43.246 version 14.0.0 Release 14Reference RTS/TSGR-0643246ve00 Keywords GSM 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-Prfec
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12、ay be, or may become, essential to the present document. Foreword This Technical Specification (TS) has been produced by ETSI 3rd Generation Partnership Project (3GPP). The present document may refer to technical specifications or reports using their 3GPP identities, UMTS identities or GSM identitie
13、s. 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 verbs terminology In the present document “shall“, “shall not“, “should“, “shou
14、ld 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 allowed in ETSI deliverables except when used in direct citation. ETSI ETSI TS
15、 143 246 V14.0.0 (2017-04)33GPP TS 43.246 version 14.0.0 Release 14Contents Intellectual Property Rights 2g3Foreword . 2g3Modal verbs terminology 2g3Foreword . 5g31 Scope 6g32 References 6g33 Definitions and abbreviations . 6g33.1 Definitions 6g33.2 Abbreviations . 7g34 MBMS GERAN Architecture 7g34.
16、1 General . 7g34.2 GERAN A/Gb mode architecture . 7g34.2.1 Protocol structure 7g34.2.2 void . 7g34.2.3 MBMS reception 7g34.3 GERAN Iu mode architecture 8g34.3.1 Protocol structure 8g34.3.2 void . 8g34.3.3 MBMS reception 8g35. MBMS channel structure 9g35.1 Logical channels . 9g35.2 Physical channels
17、. 9g35.2.1 General 9g35.2.2 Coding schemes 9g35.2.3 Mapping of MPRACH onto physical channels . 9g36 MBMS procedures in GERAN . 9g36.1 Resource management procedures . 9g36.1.1 Session start 9g36.1.1.1 General 9g36.1.1.1a Pre-notification 10g36.1.1.2 Notification of session start . 10g36.1.1.2.1 Gene
18、ral 10g36.1.1.2.2 Mobile stations in packet idle mode or MAC-Idle state 10g36.1.1.2.3 Mobile stations in packet transfer mode or MAC-Shared state and mobile stations in dual transfer mode or MAC-DTM state 11g36.1.1.2.4 Mobile stations in dedicated mode or MAC-Dedicated state 11g36.1.1.3 Initial coun
19、ting procedure . 12g36.1.1.4 MBMS bearer establishment . 14g36.1.1.5 Address assignment procedure 15g36.1.1.6 Repetition of notifications of an on-going MBMS session . 15g36.1.2 MBMS channel reconfiguration . 15g36.1.3 MBMS channel release . 16g36.2 Mobility procedures . 16g36.2.1 Distribution of MB
20、MS neighbouring cell information . 16g36.2.2 MBMS reception resumption after cell reselection 17g36.2.2.1 Default behaviour 17g36.2.2.2 Fast reception resumption . 17g36.2.3 Cell change . 18g36.3 MBMS data transfer for p-t-m transmission . 19g36.3.1 General 19g36.3.1.1 Point-to-multipoint data trans
21、fer options 19g36.3.1.2 RLC protocol behaviour 19g3ETSI ETSI TS 143 246 V14.0.0 (2017-04)43GPP TS 43.246 version 14.0.0 Release 146.3.2 Block retransmission based on mobile station feedback . 19g36.4 Multiple sessions 20g36.4.1 Transmission of multiple sessions 20g36.4.2 Reception of multiple sessio
22、ns 21g36.5 Suspension/Resumption of the reception of an MBMS session . 22g36.6 Acquisition of system information and paging messages . 22g36.6.1 General 22g36.6.2 Acquisition of system information 22g36.6.3 Reception of paging messages 23g37 Mobile Station requirements 23g37.1 General requirements .
23、 23g37.2 Mobile Station tasks . 23g37.3 Multislot capabilities 24g37.4 MBMS notification for mobile stations in dedicated mode or packet transfer mode or dual transfer mode 24g38 Network requirements 25g38.1 General requirements . 25g38.2 MBMS notification for mobile stations in dedicated mode or pa
24、cket transfer mode or dual transfer mode 25g3Annex A (normative): Requirements and recommendations . 26g3A.1 General requirements and recommendations . 26g3A.1.1 General requirements . 26g3A.1.2 General recommendations 27g3A.2 Mobile Station requirements and recommendations 27g3A.2.1 Mobile Station
25、requirements 27g3A.2.2 Mobile Station recommendations . 27g3A.3 GERAN requirements and recommendations 27g3A.3.1 GERAN requirements 27g3A.3.1 GERAN recommendations . 27g3Annex B (informative): Physical channel allocation scenarios . 28g3B.1 Data transfer when no uplink feedback channel is establishe
26、d 28g3B.1.1 PBCCH not deployed, transmission with frequency hopping 28g3B.1.2 PBCCH not deployed, transmission without frequency hopping . 29g3B.1.3 PBCCH deployed, transmission with frequency hopping 29g3B.2 Data transfer when an uplink feedback channel is established 30g3B.2.1 PBCCH not deployed,
27、transmission with frequency hopping 30g3B.2.2 PBCCH not deployed, transmission without frequency hopping . 31g3B.2.3 PBCCH deployed, transmission with frequency hopping 32g3Annex C (informative): Change history . 33g3History 36g3ETSI ETSI TS 143 246 V14.0.0 (2017-04)53GPP TS 43.246 version 14.0.0 Re
28、lease 14Foreword This Technical Specification has been produced 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
29、, it will be re-released by the TSG with an identifying change 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.
30、 y the second digit is incremented for all changes of substance, 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 143 246 V14.0.0 (2017-04)63GPP TS 43.246 version 14.0.0 Release 1
31、41 Scope The present document is part of the Release 6 “Introduction of the Multimedia Broadcast Multicast Service (MBMS) in GERAN“ work item and it is linked to the corresponding 3GPP TS 22.146: “Multimedia Broadcast/Multicast Service (MBMS); Stage 1“ 3 and 3GPP TS 23.246: “Multimedia Broadcast/Mul
32、ticast Service (MBMS); Architecture and functional description“ 5. The purpose of the present document is to provide a stage 2 description of the changes required in existing specifications for the “Introduction of the Multimedia Broadcast Multicast Service (MBMS) in GERAN“ feature for Release 6. 2
33、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 r
34、evisions 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 3GPP TS 23.060:
35、“General Packet Radio Service (GPRS); Service description; Stage 2“. 2 3GPP TS 23.107: “Quality of Service (QoS) concept and architecture“. 3 3GPP TS 22.146: “Multimedia Broadcast/Multicast Service (MBMS); Stage 1“. 4 3GPP TS 22.246: “Multimedia Broadcast/Multicast Service (MBMS) user services; Stag
36、e 1“. 5 3GPP TS 23.246: “Multimedia Broadcast/Multicast Service (MBMS); Architecture and functional description“. 6 3GPP TR 25.992: “Multimedia Broadcast/Multicast Service (MBMS); UTRAN/GERAN requirements“. 7 3GPP TS 25.346: “Introduction of Multimedia Broadcast/Multicast Service (MBMS) in the Radio
37、 Access Network (RAN); Stage 2“. 8 3GPP TS 45.002: “Multiplexing and multiple access on the radio path“. 9 3GPP TS 45.008: “Radio subsystem link control“. 10 3GPP TS 43.022: “Functions related to Mobile Station (MS) in idle mode and group receive mode“. 3 Definitions and abbreviations 3.1 Definition
38、s For the purposes of the present document, the terms and definitions given in 3GPP TS 22.146 3 and the following apply. Dedicated MBMS Notification: A mechanism in the network that allows the network to notify mobile stations in dedicated mode of starting MBMS multicast sessions. ETSI ETSI TS 143 2
39、46 V14.0.0 (2017-04)73GPP TS 43.246 version 14.0.0 Release 14MBMS radio bearer: In A/Gb mode, an MBMS radio bearer is defined as “point-to-multipoint“. MBMS channel: An MBMS channel consists of the physical resources assigned to one (several) MBMS service(s). In A/Gb mode, an MBMS channel carries on
40、e (several) MBMS radio bearer(s) and may be on one (several) PDCH(s) with GPRS and/or EGPRS TBF(s). MBMS session: Defined in 3GPP TS 22.146 3. MBMS service: Defined in 3GPP TS 22.146 3. MBMS service class: An MBMS service class is defined as either Background or Streaming, according to 3GPP TS 23.10
41、7 2. MBMS notification: Defined in 3GPP TS 23.246 5. 3.2 Abbreviations For the purposes of the present document, the following abbreviations apply: BM-SC Broadcast/Multicast Service Centre MBMS Multimedia Broadcast/Multicast Service MPRACH MBMS Packet Random Access Channel p-t-p point-to-point p-t-m
42、 point-to-multipoint TMGI Temporary Mobile Group Identifier 4 MBMS GERAN Architecture 4.1 General One new transmission mode exists to provide the MBMS service: - Point-to-multipoint transmission (p-t-m) Point-to-multipoint transmission is used to transfer MBMS specific information between the networ
43、k and an unspecified number of mobile stations. It is used for both broadcast and multicast modes of MBMS. 4.2 GERAN A/Gb mode architecture 4.2.1 Protocol structure No modifications are required to the GPRS protocol stack (see 3GPP TS 23.060) for MBMS. However, some of the radio protocols in the GER
44、AN will require modifications to support MBMS p-t-m bearers. 4.2.2 void 4.2.3 MBMS reception Table 4.2.3.1 shows whether a mobile station can support MBMS data reception according to its mode (packet idle mode, packet transfer mode, dedicated mode or dual transfer mode) at the time of the MBMS beare
45、r establishment i.e. immediately prior to MBMS reception. ETSI ETSI TS 143 246 V14.0.0 (2017-04)83GPP TS 43.246 version 14.0.0 Release 14Table 4.2.3.1: MBMS radio bearer available according to initial MAC mode and MBMS service Packet idle mode (GMM-Standby or GMM-Ready) Packet transfer mode Dedicate
46、d mode Dual transfer mode MBMS multicast p-t-m p-t-p repair p-t-p repair (1) p-t-p repair MBMS broadcast p-t-m Not specified (2) Not specified (3) Not specified (3) 1) A mobile station is moved to dual transfer mode on establishment of a TBF to request an MBMS p-t-p repair. 2) Support is optional in
47、 the mobile station. 3) Note that an MBMS broadcast service is only available on a p-t-m radio bearer. 4.3 GERAN Iu mode architecture 4.3.1 Protocol structure No modifications are required to the GPRS protocol stack (see 3GPP TS 23.060 1) for MBMS. However, some of the radio protocols in the GERAN w
48、ill require modifications to support MBMS p-t-m bearers. 4.3.2 void 4.3.3 MBMS reception Table 4.3.3.1 shows which type of MBMS radio bearer shall be assigned to the mobile station according to its RRC and MAC states at the time of the MBMS bearer establishment i.e. immediately prior to MBMS recepti
49、on. Table 4.3.3.1: MBMS radio bearer available according to initial MAC and RRC states and MBMS service RRC-Idle RRC-GRA_PCH RRC-Cell_Shared RRC-Cell_Dedicated MAC-Idle MAC-Idle MAC-Idle MAC-Shared MAC-Dedicated MAC-DTM MBMS multicast p-t-m p-t-p (1) Not available (2) p-t-m p-t-p (1) p-t-p p-t-p (3) p-t-p MBMS broadcast p-t-m p-t-m p-t-m Not specified (4) Not specified (5) Not specified (5) 1) A mobile station is moved to MAC-Shared state on establishment of an MBMS p-t-p radio bearer 2) A mobile station is moved to RRC-Cell_Shared st
