ETSI TS 124 581 V15.3.0 (2019-04)

LTE; Mission Critical Video (MCVideo) media plane control; Protocol specification (3GPP TS 24.581 version 15.3.0 Release 15)

ETSI TS 124 581 V15.3.0 (2019-04)

Name:ETSI TS 124 581 V15.3.0 (2019-04)   Standard name:LTE; Mission Critical Video (MCVideo) media plane control; Protocol specification (3GPP TS 24.581 version 15.3.0 Release 15)
Standard number:ETSI TS 124 581 V15.3.0 (2019-04)   language:English language
Release Date:29-Apr-2019   technical committee:3GPP CT 1 - MM/CC/SM [lu] (formely CN1)
Drafting committee:   ICS number:
ETSI TS 124 581 V15.3.0 (2019-04)






TECHNICAL SPECIFICATION
LTE;
Mission Critical Video (MCVideo) media plane control;
Protocol specification
(3GPP TS 24.581 version 15.3.0 Release 15)

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3GPP TS 24.581 version 15.3.0 Release 15 1 ETSI TS 124 581 V15.3.0 (2019-04)



Reference
RTS/TSGC-0124581vf30
Keywords
LTE
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3GPP TS 24.581 version 15.3.0 Release 15 2 ETSI TS 124 581 V15.3.0 (2019-04)
Intellectual 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 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, 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.
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ETSI claims no ownership of these except for any which are indicated as being the property of ETSI, and conveys no
right to use or reproduce any trademark and/or tradename. Mention of those trademarks in the present 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 specifications 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
.
Modal verbs 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 allowed in ETSI deliverables except when used in direct citation.
ETSI

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3GPP TS 24.581 version 15.3.0 Release 15 3 ETSI TS 124 581 V15.3.0 (2019-04)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 13
1 Scope . 14
2 References . 14
3 Definitions, symbols and abbreviations . 14
3.1 Definitions . 14
3.2 Symbols . 16
3.3 Abbreviations . 16
4 General . 16
4.1 MCVideo media plane overview . 16
4.1.1 Transmission Control . 16
4.1.1.1 General . 16
4.1.1.2 On-network transmission and reception control. 17
4.1.1.3 Off-network transmission control . 18
4.1.1.4 Determine on-network effective priority . 18
4.1.1.5 Determine off-network effective priority . 19
4.1.2 MBMS subchannel control . 20
4.1.2.1 General . 20
4.1.2.2 Start of a MCVideo transmission . 20
4.1.2.3 During a media transmission . 20
4.1.2.4 Ending the transmission . 21
4.1.2.5 MBMS bearer announcement over an MBMS bearer . 21
4.2 Internal structure of media plane control entities . 21
4.2.1 Controlling MCVideo function . 21
4.2.2 MCVideo client . 23
4.2.3 Participating MCVideo function . 24
4.2.3.1 General . 24
4.2.3.2 Internal structure of the participating MCVideo function . 24
4.2.3.3 The roles of the participating MCVideo function . 25
4.2.3.3.1 For the transmission control procedures . 25
4.2.3.3.2 For the use of MBMS bearer procedures . 25
4.3 The media plane control channel . 25
4.3.1 General . 25
4.3.2 Control channel realization . 25
4.3.3 Establishing a media plane control channel . 26
4.3.3.1 General . 26
5 Functional entities . 26
5.1 General . 26
5.2 MCVideo client . 26
5.2.1 Introduction. 26
5.2.2 Transmission participant in on-network mode . 27
5.2.3 Transmission participant in off-network mode . 27
5.3 Controlling MCVideo function . 27
5.4 Participating MCVideo function . 28
6 On-network transmission control . 28
6.1 General . 28
6.2 Transmission participant procedures . 28
6.2.1 Transmission participant procedures at MCVideo session initialization . 28
6.2.2 Transmission participant procedures at MCVideo call release . 29
6.2.3 Transmission participant procedures at MCVideo call modification . 29
6.2.4 Transmission participant state transition diagram for basic transmission control operation . 29
ETSI

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3GPP TS 24.581 version 15.3.0 Release 15 4 ETSI TS 124 581 V15.3.0 (2019-04)
6.2.4.1 General . 29
6.2.4.2 State: 'Start-stop' . 31
6.2.4.2.1 General . 31
6.2.4.2.2 MCVideo call initiated, originating MCVideo user . 31
6.2.4.2.3 MCVideo call established, terminating MCVideo user . 31
6.2.4.3 State: 'U: has no permission to transmit' . 31
6.2.4.3.1 General . 31
6.2.4.3.2 Send Transmission Request message (Click Transmission send button) . 31
6.2.4.3.3 Receive Transmission Granted message (R: Transmission Granted) . 32
6.2.4.3.4 Void . 32
6.2.4.4 State: 'U: pending request to transmit' . 32
6.2.4.4.1 General . 32
6.2.4.4.2 Receive Transmission rejected message (R: Transmission rejected) . 32
6.2.4.4.3 Timer T100 (Transmission request) expired . 33
6.2.4.4.4 Timer T100 (Transmission Request) expired N times . 33
6.2.4.4.5 Receive Queue Position Info message (R: Queue Position Info) . 33
6.2.4.4.6 Receive Transmission Granted message (R: Transmission Granted) . 33
6.2.4.5 State: 'U: has permission to transmit' . 34
6.2.4.5.1 General . 34
6.2.4.5.2 Send RTP media packets (S: RTP media) . 34
6.2.4.5.3 Send Transmission end request message (Click Transmission end button) . 34
6.2.4.5.4 Void . 34
6.2.4.5.5 Receive Transmission Revoked message (R: Transmission Revoked) . 34
6.2.4.5.6 Receive Media reception notification message (R: Media Reception notification) . 35
6.2.4.6 State: 'U: pending end of transmission' . 35
6.2.4.6.1 General . 35
6.2.4.6.2 Timer T101 (Transmission End Request) expired . 35
6.2.4.6.3 Timer T101 (Transmission End Request) expired N times . 35
6.2.4.6.4 Receive Transmission End Response message (R: Transmission end response) . 35
6.2.4.6.5 Void . 36
6.2.4.7 In any state . 36
6.2.4.7.1 General . 36
6.2.4.7.2 Receive MCVideo call release – step 1 (R: MCVideo call release - 1) . 36
6.2.4.8 State: 'Call releasing' . 36
6.2.4.8.1 General . 36
6.2.4.8.2 Receive MCVideo call release – step 2 (R: MCVideo call release - 2) . 36
6.2.4.9 State: 'U: queued transmission'. 36
6.2.4.9.1 General . 36
6.2.4.9.2 Receive Queue Position Info message (R: Queue Position Info) . 36
6.2.4.9.3 Send Queue Position Request message (S: Queue Position Request) . 37
6.2.4.9.4 Send Transmission cancel request message (S: Transmission Cancel Request) . 37
6.2.4.9.5 Recieve Transmission cancel response message (R: Transmission Cancel Response) . 37
6.2.4.9.6 Receive Transmission cancel request notify message (R: Transmission Cancel Request
Notify) . 37
6.2.4.9.7 Timer T102 (Transmission Queue Position Request) expired . 37
6.2.4.9.8 Timer T102 (Transmission Queue Position Request) expired N times . 38
6.2.4.9.9 Receive Transmission Granted message (R: Transmission Granted) . 38
6.2.5 Transmission participant state transition diagram for reception control operation . 38
6.2.5.1 General . 38
6.2.5.2 State: 'Start-stop' . 40
6.2.5.2.1 General . 40
6.2.5.2.2 MCVideo call established, terminating MCVideo user . 40
6.2.5.2.3 MCVideo call initiated, originating MCVideo user . 41
6.2.5.3 State: 'U: reception controller' . 41
6.2.5.3.1 General . 41
6.2.5.3.2 Receive Media transmission notification message (R: Media Transmission Notification) . 41
6.2.5.3.3 Send Receive Media Request message (Click video receive button) . 41
6.2.5.3.4 Receive Transmission end notify message (R: Transmission end notify) . 42
6.2.5.3.5 Receive MCVideo call release – step 1 (R: MCVideo call release - 1) . 42
6.2.5.4 State: 'U: pending request to receive' . 42
6.2.5.4.1 General . 42
6.2.5.4.2 Reception of Receive media response (rejected) message (R: RM response (rejected)) . 42
ETSI

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3GPP TS 24.581 version 15.3.0 Release 15 5 ETSI TS 124 581 V15.3.0 (2019-04)
6.2.5.4.3 Timer T103 (Receive media request) expired . 42
6.2.5.4.4 Timer T103 (Receive Media Request) expired N times . 43
6.2.5.4.5 Reception of Receive media response (granted) message (R: RM response (granted)) . 43
6.2.5.4.6 Media reception request cancel (Click video reception end button) . 43
6.2.5.5 State: 'U: has permission to receive' . 43
6.2.5.5.1 General . 43
6.2.5.5.2 Receive RTP media packets (R: RTP media) . 44
6.2.5.5.3 Media reception end request message (Click video reception end button) . 44
6.2.5.5.4 Receive Media reception override notify message (R: Media Rx override notify) . 44
6.2.5.5.5 Receive Media reception end request message (R: MRE request) . 44
6.2.5.5.6 Void . 45
6.2.5.6 State: 'U: pending reception release' . 45
6.2.5.6.1 General . 45
6.2.5.6.2 Timer T104 (Receive Media Release) expired . 45
6.2.5.6.3 Timer T104 (Receive media release) expired N times . 45
6.2.5.6.4 Receive Media Reception End Response message (R: MRE response) . 45
6.2.5.6.5 Void . 46
6.2.5.7 Void. 46
6.2.5.7.1 Void . 46
6.2.5.7.2 Void . 46
6.2.5.7.3 Void . 46
6.2.5.7.4 Void . 46
6.2.5.8 State: 'U: terminated' . 46
6.2.5.8.1 General . 46
6.2.5.9 State: 'Call releasing' . 46
6.2.5.9.1 General . 46
6.2.5.9.2 Receive MCVideo call release – step 2 (R: MCVideo call release - 2) . 46
6.3 Transmission control server procedures . 46
6.3.1 General . 46
6.3.2 Controlling MCVideo function procedures at MCVideo call initialization . 47
6.3.2.1 General . 47
6.3.2.2 Initial procedures . 47
6.3.3 MCVideo transmission control procedures at MCVideo call release . 47
6.3.4 Transmission control server state transition diagram for general transmission control operation . 48
6.3.4.1 General . 48
6.3.4.2 State: 'Start-stop' . 50
6.3.4.2.1 General . 50
6.3.4.2.2 MCVideo call initialization . 50
6.3.4.3 State: 'G: Transmit Idle' . 50
6.3.4.3.1 General . 50
6.3.4.3.2 Enter the 'G: Transmit Idle' state . 50
6.3.4.3.3 Receive Transmission Media Request message (R: Transmission Media Request) . 51
6.3.4.3.4 Timer T2 (Transmit Idle) expired . 51
6.3.4.3.5 Timer T1 (Inactivity) expired . 52
6.3.4.3.6 Receive an implicit Transmission request (R: Implicit Transmission request) . 52
6.3.4.4 State: 'G: Transmit Taken' . 52
6.3.4.4.1 General . 52
6.3.4.4.2 Enter the 'G: Transmit Taken' state. 52
6.3.4.4.5 Receive RTP media packets (R: RTP media) . 53
6.3.4.4.6 Receive Transmission End Request message (R: Transmission End Request) . 53
6.3.4.4.7A Receive Transmission Media Request message without pre-emptive priority (R:
Transmission Media Request) . 53
6.3.4.4.7 Receive Transmission Media Request message with pre-emptive priority (R: pre-emptive
Transmission Media Request) .
...

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