ETSI TS 122 233 V15.0.0 (2018-07)

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Transparent end-to-end packet-switched streaming service; Stage 1 (3GPP TS 22.233 version 15.0.0 Release 15)

ETSI TS 122 233 V15.0.0 (2018-07)

Name:ETSI TS 122 233 V15.0.0 (2018-07)   Standard name:Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Transparent end-to-end packet-switched streaming service; Stage 1 (3GPP TS 22.233 version 15.0.0 Release 15)
Standard number:ETSI TS 122 233 V15.0.0 (2018-07)   language:English language
Release Date:12-Jul-2018   technical committee:3GPP SA 1 - Services
Drafting committee:   ICS number:
ETSI TS 122 233 V15.0.0 (2018-07)






TECHNICAL SPECIFICATION
Digital cellular telecommunications system (Phase 2+) (GSM);
Universal Mobile Telecommunications System (UMTS);
LTE;
Transparent end-to-end packet-switched streaming service;
Stage 1
(3GPP TS 22.233 version 15.0.0 Release 15)

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3GPP TS 22.233 version 15.0.0 Release 15 1 ETSI TS 122 233 V15.0.0 (2018-07)



Reference
RTS/TSGS-0122233vf00
Keywords
GSM,LTE,UMTS
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3GPP TS 22.233 version 15.0.0 Release 15 2 ETSI TS 122 233 V15.0.0 (2018-07)
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.
Trademarks
The present document may include trademarks and/or tradenames which are asserted and/or registered by their owners.
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 22.233 version 15.0.0 Release 15 3 ETSI TS 122 233 V15.0.0 (2018-07)
Contents
Intellectual Property Rights . 2
Foreword . 2
Modal verbs terminology . 2
Foreword . 4
Introduction . 4
1 Scope . 5
2 References . 5
3 Definitions and abbreviations . 5
3.1 Definitions . 5
3.2 Abbreviations . 6
4 Entities involved in Streaming service . 6
5 Service Requirements . 7
5.1 General . 7
5.2 Media Types . 8
5.3 Multimedia Composition and Interaction . 9
5.4 Transport . 9
5.5 Service Personalization . 10
5.6 Service Management . 10
6 Security. 11
7 Charging . 11
8 Digital Rights Management . 11
9 Interworking . 11
10 Service Interaction . 11
Annex A (informative): PSS Examples . . 12
Annex B (informative): Change history . 14
History . 15

ETSI

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3GPP TS 22.233 version 15.0.0 Release 15 4 ETSI TS 122 233 V15.0.0 (2018-07)
Foreword
rd
This Technical Specification has been produced by the 3 Generation 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 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.
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.
Introduction
3G mobile systems, through the increase in available bandwidth, offer new possibilities and services. One of these new
services will be the ability to stream sound and movies to mobile devices.
Streaming is a mechanism whereby media content can be rendered at the same time that it is being transmitted to the
client over the data network.
Streaming services are required whenever instant access to multimedia information needs to be integrated into an
interactive media application. This has to be seen in contrast to other multimedia services like for instance MMS where
multimedia content is delivered to the user asynchronously by means of a “message”.
Interactive applications that use streaming services include on-demand and live information delivery applications.
Examples of the first category are music, music videos and news-on-demand applications. Live delivery of radio and
television programs are examples of the second category, this could e.g. make it possible to listen to domestic radio
while abroad.
A web server works with requests for information, it delivers that particular information as fast as possible, completes
the transaction, disconnects and goes on to other requests. A client connects to a web server only when it needs
information. This strategy works well as long as pictures and text are to be received. If a client wants to watch video or
listen to audio, the entire file must be received before it can be played. The problem is that these kinds of files can be
very large thus potentially causing storage problems in the client and resulting in long start-up latency. A streaming
service improves this by allowing the media to be consumed as it is received, thereby reducing the latency and
removing the need to store the media.
In addition to providing the streaming mechanism the PSS also encompasses the composition of media objects thereby
allowing compelling multimedia services to be provisioned. For instance, a mobile cinema ticketing application would
allow the user to view the film trailers.
ETSI

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3GPP TS 22.233 version 15.0.0 Release 15 5 ETSI TS 122 233 V15.0.0 (2018-07)
1 Scope
This Technical Specification defines the stage one description of the Packet-switched Streaming Service (PSS). Stage one
is the set of requirements that shall be supported for the provision of a streaming service, seen primarily from the user’s
and service providers’ points of view but also includes the service capabilities of the PSS itself
This TS includes information applicable to network operators, service providers, terminal and network manufacturers.
This TS contains the core requirements for the Packet-switched Streaming Service (PSS), which are sufficient to enable
a range of services.
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] Void
[2] Void
[3] 3GPP TS 22.105: “Services and Service Capabilities”.
[4] 3GPP TS 26.233: “Transparent End to End Packet Switched Streaming Service (PSS): General
Description”.
[5] 3GPP TS 26.234: “Transparent End to End Packet Switched Streaming Service (PSS): Protocol
and Codecs”.
[6] 3GPP TS 21.905: “Vocabulary for 3GPP specifications”.
[7] Void
[8] IETF RFC 2046: “Multipurpose Internet Mail Extensions (MIME) part 2: media types”.
[9] 3GPP TS 22.242: “Digital Rights Management (DRM)”.
3 Definitions and abbreviations
3.1 Definitions
Client: in the context of Streaming Service the client is a device (or service) that receives media objects and/or
multimedia composition instructions from a server.
Media Type: a type of media e.g. text, audio, video, graphics (see section 5.2)
Media Object: an instance of a media type (e.g. a picture) or a combination of instances of media types (e.g. a video
clip that includes audio)
Media Attribute: an attribute of a media object depending on the media type e.g. the colour of a piece of text
Multimedia Composition: the position in time and space of media objects relative to one another
ETSI

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3GPP TS 22.233 version 15.0.0 Release 15 6 ETSI TS 122 233 V15.0.0 (2018-07)
Multimedia Services: Services that handle several types of media such as audio and video in a synchronised way from
the user’s point of view. A multimedia service may involve multiple parties, multiple connections, and the addition or
deletion of resources and users within a single communication session.
Server: in the context of the Streaming Service the server is a device (or service) that delivers media objects and/or
multimedia composition instructions in response to client requests.
Streaming:  a mechanism whereby media content can be rendered at the same time that it is being transmitted to the
client over the data network.
Streaming Service: an alternative way of referring to the PSS.
Terminal Profile: Set of information about the physical capabilities of the terminal.
User Profile: Is the set of information necessary to provide a user with a consistent, personalised service environment,
irrespective of the user’s location or the terminal used (within the limitations of the terminal and the serving network).
3.2 Abbreviations
For the purposes of the present document, the abbreviations given in TR 21.905 [6] 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 [6].
CODEC Coder / DECoder
MMS Multimedia Messaging Service
PS Packet Switched
PSS Packet Switched Streaming Service
QoS Quality of Service
UE User Equipment
4 Entities involved in Streaming service
The figures 01 and 02 shows the basic entities involved in the Streaming service and how they connect.
Clients initiate the service and connect to the selected content server. Content servers can generate live content e.g.
video from a concert. User profile and terminal capability data can be stored on a network server and will be contacted
at the initial set up. User Profile will provide the Streaming service with the user’s preferences. Terminal capabilities
will be used by the Streaming service to decide whether or not the client is capable of receiving the streamed content.
Portals are servers allowing convenient access to streamed media content. For instance, a portal might offer content
browse and search facilities. In the simplest case, it is simply a Web/WAP-page with a list of links to streaming content.
The content itself is usually stored on content servers, which can be located elsewhere in the network.
ETSI

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3GPP TS 22.233 version 15.0.0 Release 15 7 ETSI TS 122 233 V15.0.0 (2018-07)

Streaming
Client
Content
Servers
Content
Cache
3GPP
Core Network
GERAN


SGSN GGSN
IP Network
Live


Encoders
UTRAN
User and
Portals
terminal
profiles
Streaming
Client

Figure 01: Network elements involved in a 2G/3G packet switched streaming service for GPRS core


UTRAN
SGSN
HSS
GERAN
MME
Content
PCRF
caches
UE PSS
Content
Operator’s
P-GW
E-UTRAN
Client
IP network servers
User and
Portals
terminal
profiles

Figure 02: Network elements involved in a 2G/3G and LTE packet switched streaming service for EPC
5 Service Requirements
5.1 General
Stage 2 implementations are shown in TS 26.233 [4] and stage 3 in TS 26.234 [5].
The PSS uses a Client / Server model. The client controls the server by sending requests to the server, which responds
to these commands.
• The PSS shall support downlink streaming.
ETSI

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  • Relates Information
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    HD 566 S1:1998
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  • ISO 4252:1992

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