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7.5.4.2 Procedure
The minimum requirement is applied to all connectors under test, 1) Connect the connector under test to measurement equipment as shown in annex D.2.6 for BS type 1-C. 2) Set the measurement equipment parameters as specified in Table 7.5.5.1-1. The measurement device characteristics shall be: - Detection mode: Tru...
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7.5.5 Test requirements
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7.5.5.1 Basic limits
The RX spurious emissions requirements for BS type 1-C are that for each antenna connector, the power of emissions shall not exceed basic limits specified in table 7.5.5.1-1. Table 7.5.5.1-1: General BS receiver spurious emissions limits Spurious frequency range Basic limits Measurement bandwidth Note 30 MHz – 1 ...
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7.6 Receiver intermodulation
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7.6.1 Definition and applicability
Third and higher order mixing of the two interfering RF signals can produce an interfering signal in the band of the desired channel. Intermodulation response rejection is a measure of the capability of the receiver to receive a wanted signal on its assigned channel frequency at the antenna connector for BS type 1-C in...
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7.6.2 Minimum requirement
The minimum requirements for BS type 1-C are in TS 38.194 [3], clause 7.6.2.
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7.6.3 Test purpose
The test purpose is to verify the ability of the BS receiver to inhibit the generation of intermodulation products in its non-linear elements caused by the presence of two high-level interfering signals at frequencies with a specific relationship to the frequency of the wanted signal.
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7.6.4 Method of test
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7.6.4.1 Initial conditions
Test environment: Normal; see annex B.2. RF channels to be tested for single carrier (SC): M; see clause 4.7.1
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7.6.4.2 Procedure
The minimum requirement is applied to all connectors under test. 1) Connect the connector under test to measurement equipment as shown in annex D.2.7 for BS type 1-C. 2) Set the signal generator for the wanted signal to transmit as specified in table 7.7.5-1. 3) Set the signal generator for the interfering signal t...
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7.6.5 Test requirements
The BLER performance shall be 10% of the reference measurement channel as specified in annex A.1, with a wanted signal at the assigned channel frequency and two interfering signals coupled to the BS type 1-C antenna connector, with the conditions specified in Tables 7.7.5-1 for narrowband intermodulation performance. T...
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8 A-IoT CW transmitter characteristics
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8.1 General
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8.1.1 CW node
General test conditions for conducted transmitter tests of CW node are given in clause 8, including interpretation of measurement results and configurations for testing.
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8.2 CW Output power
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8.2.1 Definition and applicability
The conducted CW node output power requirements are specified at the antenna connector. The rated output power of the CW node shall be less than or equal to +33 dBm.
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8.2.2 Minimum requirement
The minimum requirement applies at the connector supporting transmission in the operating band (s). The minimum requirement for CW node is defined in TS 38.194 [3], clause 8.2.2.
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8.2.3 Test purpose
The test purpose is to verify the accuracy of the maximum output power across the frequency range and under normal and extreme conditions.
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8.2.4 Method of test
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8.2.4.1 Initial conditions
Test environment: - Normal, see annex [B.2], - Extreme, see annexes [B.3 and B.5]. RF frequency point to be tested for single-tone signal: B, M and T; see clause [4.7]. Under extreme test environment, it is sufficient to test on one RF frequency point position, and with the test configuration defined in clauses [4....
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8.2.4.2 Procedure
1) Connect the power measuring equipment to the connector under test as shown in [annex D.1.1] for CW node. 2) For single carrier, set the connector under test to transmit according to the applicable test configuration in clause [4.5] using the corresponding test models or set of test signal in clause [4.7] at rated o...
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8.2.5 Test requirement
For the connector under test, the power measured in clause 8.2.4.2 in step 3 shall remain within the values provided in table 8.2.5-1 for normal and extreme test environments, relative to the manufacturer's declared Prated for CW node: Table 8.2.5-1: Test requirement for conducted CW node output power Normal test e...
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8.3 Frequency error
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8.3.1 Definition and applicability
Frequency error is the measure of the difference between the actual CW node transmit frequency and the assigned frequency. The same source shall be used for RF frequency and data clock generation. For CW node, this requirement shall be applied at the antenna connector supporting transmission in the operating band.
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8.3.2 Minimum Requirement
The minimum requirement is in TS 38.194 [3], clause 8.3.2.
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8.3.3 Test purpose
The test purpose is to verify that frequency error is within the limit specified by the minimum requirement.
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8.3.4 Method of test
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8.3.4.1 Initial conditions
Test environment: Normal; see [annex B.2]. RF frequency point to be tested for single signal: M; see clause [4.7].
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8.3.4.2 Procedure
1) Connect the connector under test to measurement equipment as shown in [annex D.1.1] for CW node. 2) For a connector declared to be capable of single-tone operation only ([D.16]), set the representative connector under test to transmit according to the applicable test configuration in clause [4.5] at rated output p...
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8.3.5 Test Requirements
Table 8.3.5-1: Frequency error test requirement DUT Accuracy CW node ±(0.1 ppm + 12 Hz)
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8.4 Unwanted emission
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8.4.1 Phase noise
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8.4.1.1 Definition and applicability
The phase noise is the unwanted emissions outside the centre frequency of carrier wave resulting from random fluctuations in the phase of signal in the transmitter but excluding spurious emissions. Basic limits are specified in the tables below, where: - f is the frequency offset from the phase noise frequency point ...
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8.4.1.2 Minimum requirement
The minimum requirement applies the connector supporting transmission in the operating band. The minimum requirement for CW node is defined in TS 38.194 [3], clause 8.5.2.2.
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8.4.1.3 Test purpose
The test purpose is to verify that phase noise is within the limit specified by the minimum requirement.
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8.4.1.4 Method of test
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8.4.1.4.1 Initial conditions
Test environment: Normal; see [annex B.2]. RF frequency point to be tested for single-tone signal: M; see clause [4.7].
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8.4.1.4.2 Procedure
1) Connect the connector under test to measurement equipment as shown in [annex D.1.1] for CW node. 2) For a connector declared to be capable of single-tone operation only ([D.16]), set the representative connector under test to transmit according to the applicable test configuration in clause [4.5] at rated output p...
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8.4.1.5 Test requirements
The phase noise power of CW transmitter shall not exceed the levels specified in Table 8.4.1.5-1. Table 8.4.1.5-1: CW phase noise emission limit Δf  (kHz) Phase noise emission limit (dBc/Hz) ± 7.5 -97 ± [x] ± 120 -102 ± [x]
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8.4.2 Operating band unwanted emissions
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8.4.2.1 Definition and applicability
Unless otherwise stated, the operating band unwanted emission (OBUE) limits in FR1 are defined from 10 MHz below the lowest frequency of each supported uplink operating band up to 10 MHz above the highest frequency of each supported uplink operating band. Basic limits are specified in the tables below, where: - f is ...
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8.4.2.2 Minimum requirement
The minimum requirement applies the connector supporting transmission in the operating band. The minimum requirement for CW node is defined in TS 38.194 [3], clause 8.5.3.2.
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8.4.2.3 Test purpose
This test measures the emissions close to the assigned transmission frequency of the wanted signal, while the transmitter is in operation.
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8.4.2.4 Method of test
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8.4.2.4.1 Initial conditions
Test environment: Normal; see [annex B.2]. RF frequency point to be tested for single-tone signal: B, M and T; see clause [4.7].
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8.4.2.4.2 Procedure
1) Connect the connector under test to measurement equipment as shown in [annex D.1.1] for CW node. As a general rule, the resolution bandwidth of the measuring equipment should be equal to the measurement bandwidth. However, to improve measurement accuracy, sensitivity, efficiency and avoiding e.g. carrier leakage, ...
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8.4.2.5 Test requirements
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8.4.2.5.1 General requirements
For CW node operating in Band n8, basic limits are specified in tables 8.4.2.5.1‑1. The spectrum emission limit between each Δf is linearly interpolated. Table 8.4.2.5.1-1: CW node Operating band unwanted emissions Δf (kHz) Emission limit (dBm) Measurement bandwidth  200 -18 + [x] 30 kHz  250 -20 + [x] 30 k...
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8.4.3 Transmitter spurious emissions
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8.4.3.1 Definition and applicability
The transmitter spurious emission limits shall apply from 9 kHz to 12.75 GHz, excluding the frequency range from 10 MHz below the lowest frequency of each supported uplink operating band, up to 10 MHz above the highest frequency of each supported uplink operating band.. Unless otherwise stated, all requirements are ...
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8.4.3.2 Minimum requirement
The minimum requirement applies connector supporting transmission in the operating band. The minimum requirement for CW node is defined in TS 38.194 [3], clause 8.5.4.2.
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8.4.3.3 Test purpose
This test measures conducted spurious emissions while the transmitter is in operation.
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8.4.3.4 Method of test
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8.4.3.4.1 Initial conditions
Test environment: Normal; see [annex B.2]. RF frequency point to be tested for single-tone signal: - B when testing the spurious emissions below FUL_low - 10 MHz, - T when testing the spurious emissions above FUL_high + 10 MHz; see clause [4.7].
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8.4.3.4.2 Procedure
1) Connect the connector under test to measurement equipment as shown in [annex D.1.1] for CW node. 2) Measurements shall use a measurement bandwidth in accordance to the conditions in clause 8.4.3.5. The measurement device characteristics shall be: - Detection mode: True RMS. The emission power should be averag...
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8.4.3.5 Test requirements
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8.4.3.5.1 Basic limits
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8.4.3.5.1.1 Tx spurious emissions
The limits of table 8.4.3.5.1.1-1 (Category B limits) shall apply. The application of Category B limits shall be the same as for operating band unwanted emissions in clause 8.4.2, and as declared by the manufacturer ([D.4]). Table 8.4.3.5.1.1-1: Spurious emissions limits Frequency Range Maximum Level Measurement b...
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9 Conducted performance characteristics
Annex A (normative): Reference measurement channels Annex B (normative): Environmental requirements for the BS or CW node equipment B.1 General For each test in the present document, the environmental conditions under which the BS is to be tested are defined. B.2 Normal test environment When a normal test en...
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1 Scope
The present document studies media-related aspects for 6G mobile networks for improvement of existing services and support of new services, to meet the 6G system requirements as developed in TR 22.870 [22870] and captured by TS 22.abc [22ABC], as well as in alignment with the architecture study documented in TR 23.801-...
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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. -...
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3 Definitions of terms, symbols and abbreviations
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3.1 Terms
For the purposes of the present document, the terms 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]. example: text used to clarify abstract rules by applying them literally.
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3.2 Symbols
For the purposes of the present document, the following symbols apply: <symbol> <Explanation>
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3.3 Abbreviations
For the purposes of the present document, 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]. <ABBREVIATION> <Expansion>
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4 Preliminaries: assumptions and requirements
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4.1 Assumptions
Editor's note: This clause documents the common architecture assumptions identified for the study. This is primarily defined as based on the decisions in SA2 as well as the existing functions in earlier Gs. Based on the architectural assumptions as defined in TR 23801-01 [3], the following assumptions are carried forw...
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4.2 Requirements
Editor's note: This clause defines the architectural and media-related requirements that serve as the foundation for the study. It collects SA1 defined requirements and associated use cases.
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4.3 Existing media services
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4.3.1 General
Editor's note: This clause collects existing media services that are already addressed in 4G and 5G, and identifies the status of the services in terms of relevancy and deployments. 3GPP defines full media services. Generally, media services are defined across working groups as follows: - SA1: What is the service? -...
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4.3.2 Media Services
The following media services exist and are considered relevant: - IMS‑Based Multimedia Telephony and Communication Services [reference] - SA1 defines service requirements for IMS communication & multimedia telephony [reference] - SA2 defines system architecture for multimedia services in the 5G system and EPS, inclu...
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4.3.3 Media Service [frameworks]
Among other, 3GPP defines components that enable media services. Relevant existing ones are: - Real-time Communication alternative to IMS - TS 26.506 – 5G Real-time Media Communication Architecture (Stage 2). - TS 26.113 – Real-Time Media Communication; Protocols and APIs. - TS 26.510 – Media delivery; interactio...
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4.3.4 Media Service Enablers
3GPP has formalized these enablers as Media Service Enablers in 3GPP TR 26.857 [TR26857]. 3GPP defines the following formal Media Service Enabler (MSE): • TS 26.565 [26565] defines a Media Service Enabler for Split Rendering, a technique where media processing/rendering is shared between the device and the networ...
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5 New trends and expected services related to media
Editor's note: identify media-related industry trends from operators, third-party providers and verticals that may impact 6G media architectures
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6 Work topics: Description and discussion
Editor's note: This clause identifies work topics based on the objective of the study item and newly defined work topics.
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6.1 Introduction
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6.2 Work topic #1: Media delivery architecture
Editor's note: The present Work Task is structured according to the agreed subsection format, including: Description, Key Issues, Context and External Factors, Potential Solutions, Mapping of Issues to Solutions, and Conclusions. The subsection ordering may be adapted as appropriate for the specific content of the Work...
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6.2.1 Introduction
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6.2.1.1 High-level Description
Editor’s Note: Alignment with terminology in clause 4 needs to be done This clause addresses the study of a harmonized media delivery architecture for 6G based on TS 26.501 [26501], TS 26.506 [26506] and the new developments in 6G architecture to support flexible deployment scenarios of new services e.g. XR/Immersive ...
c2ab708c7c1b780cd97ba4af5f967fa5
26.870
6.2.1.2 Potentially relevant use cases and requirements
Editor's note: needs to be completed by checking SA1.
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6.2.1.3 Potentially relevant 6G architecture key issues
Based on the features defined TS 26.501 and TS 26.506, the following key issues in TR 23.801-01 may potentially be relevant for this work topic: - Key Issue #2: SBA framework - Key Issue #3: Support of Network Slicing in the 6G system - Key Issue #4: User Plane Architecture - Key Issue #5: QoS Framework for 6G - K...
c2ab708c7c1b780cd97ba4af5f967fa5
26.870
6.2.1.4 Media Application Service model
In order to define a media delivery architecture, it is assumed that an application, if following certain assumptions, can benefit from the media delivery architecture. Terminology used in the common Media Delivery architecture as defined in TS 26.501 [4], clause 4.1.2, and TS 26.506 [5], clause 4.1.2, is used withou...
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6.2.1.5 Key Issues
In order to define a Media Delivery system for a diverse set of media applications and services traffic patterns, the following are studied taking the 5G Media Delivery architecture as a starting point for discussion: 1. Should the media delivery architecture for streaming and real-time communication services be harmo...
c2ab708c7c1b780cd97ba4af5f967fa5
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6.3 Work topic #2: 6G media
Editor's note: The present Work Task is structured according to the agreed subsection format, including: Description, Key Issues, Context and External Factors, Potential Solutions, Mapping of Issues to Solutions, and Conclusions. The subsection ordering may be adapted as appropriate for the specific content of the Work...
c2ab708c7c1b780cd97ba4af5f967fa5
26.870
6.4 Work topic #3: Media aspects related to SA2 topics
Editor's note: The present Work Task is structured according to the agreed subsection format, including: Description, Key Issues, Context and External Factors, Potential Solutions, Mapping of Issues to Solutions, and Conclusions. The subsection ordering may be adapted as appropriate for the specific content of the Work...
c2ab708c7c1b780cd97ba4af5f967fa5
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6.5 Work topic #4: Media for ubiquitous access
Editor's note: The present Work Task is structured according to the agreed subsection format, including: Description, Key Issues, Context and External Factors, Potential Solutions, Mapping of Issues to Solutions, and Conclusions. The subsection ordering may be adapted as appropriate for the specific content of the Work...
c2ab708c7c1b780cd97ba4af5f967fa5
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6.5.1 Introduction
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6.5.1.1 High-level Description
Editor's note: improved description needed. This clause addresses the study aspects and opportunities for support of media services on ubiquitous networks including Non-Terrestrial Networks and other low bit-rate/low power scenarios beyond speech. The primary focus is to identify supported bitrates, functionalities, d...
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6.5.1.2 Potentially relevant use cases and requirements
Editor's note: needs to be completed by checking SA1.
c2ab708c7c1b780cd97ba4af5f967fa5
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6.5.1.3 Potentially relevant 6G architecture key issues
The following key issues in TR 23.801-01 may potentially be relevant for this work topic: - Key Issue #4: User Plane Architecture - Key Issue #23: Support of 6G NTN - Key Issue #24: Analyse 5GS IoT features and solutions
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6.5.1.4 Key Issues
In order to identify aspects and opportunities for support of media services on ubiquitous networks including Non-Terrestrial Networks and other low bit-rate/low power scenarios, the following key issues are studied as a starting point for discussion: 1. What are bitrate ranges, latencies and loss characteristics of r...
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6.6 Work topic #5: Trusted and private communication for media
Editor's note: The present Work Task is structured according to the agreed subsection format, including: Description, Key Issues, Context and External Factors, Potential Solutions, Mapping of Issues to Solutions, and Conclusions. The subsection ordering may be adapted as appropriate for the specific content of the Work...
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7 Consolidated findings
Editor's note: This clause can be used to consolidate findings based on the considerations in clause 6.
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8 Recommendations for follow-up work
Editor's note: This clause will provide recommendations for follow-up work. Annex A: Use cases and observations to be adopted and assigned to work topics and key issues A.1 Introduction This Annex content will be adopted to clause 4.2 as source of use cases and observations to extract requirements from for work ...
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6.01 Introduction
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6.12 Work topic #1: Media delivery architecture
Editor's note: The present Work Task is structured according to the agreed subsection format, including: Description, Key Issues, Context and External Factors, Potential Solutions, Mapping of Issues to Solutions, and Conclusions. The subsection ordering may be adapted as appropriate for the specific content of the Work...
c2ab708c7c1b780cd97ba4af5f967fa5
26.870
6.12.1 Introduction
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6.12.1.1 High-level Description
Editor’s Note: Alignment with terminology in clause 4 needs to be done This clause addresses the study of a harmonized media delivery architecture for 6G based on TS 26.501 [26501], TS 26.506 [26506] and the new developments in 6G architecture to support flexible deployment scenarios of new services e.g. XR/Immersive ...
c2ab708c7c1b780cd97ba4af5f967fa5
26.870
6.12.1.2 Potentially relevant use cases and requirements
Editor's note: needs to be completed by checking SA1.
c2ab708c7c1b780cd97ba4af5f967fa5
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6.12.1.3 Potentially relevant 6G architecture key issues
Based on the features defined TS 26.501 and TS 26.506, the following key issues in TR 23.801-01 may potentially be relevant for this work topic: - Key Issue #2: SBA framework - Key Issue #3: Support of Network Slicing in the 6G system - Key Issue #4: User Plane Architecture - Key Issue #5: QoS Framework for 6G - K...