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Content for  TR 22.861  Word version:  14.1.0

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1  ScopeWord‑p. 6

Emerging from the FS_SMARTER work [2], the present document aims to identify and document the key families of use cases and their consolidated potential requirements, and to capture desired system requirements and capabilities to support the needs of new services and markets related to massive Internet of Things.
The focus of this work is on the use cases and requirements that cannot be met with EPS.

2  ReferencesWord‑p. 6

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]
TR 21.905: "Vocabulary for 3GPP Specifications".
[2]
TR 22.891: "Feasibility Study on New Services and Markets Technology Enablers; Stage 1".
[3]
TR 22.864: "Feasibility Study on New Services and Markets Technology Enablers - Network Operation".
[4]
TS 22.278: "Service requirements for the Evolved Packet System (EPS)".
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3  Definitions and abbreviationsWord‑p. 6

3.1  DefinitionsWord‑p. 6

For the purposes of the present document, the terms and definitions given in TR 21.905 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.
3GPP connection:
The connection between a device and a 3GPP network.
Active communication:
a UE is in active communication when it has one or more connections established. A UE may have any combination of CS connections or PS connections (e.g., PDP contexts, active PDN connections).
Device:
An entity that is identifiable in the 3GPP network and that is capable of communicating with wired and/or a wireless connection, using
  • direct device connection, and/or
  • direct 3GPP connection, and/or
  • indirect 3GPP connection.
Direct 3GPP connection:
One mode of 3GPP connection, where there is no relay UE between the device and the 3GPP network.
Direct device connection:
The connection between two devices without any network entity in the middle.
Indirect 3GPP connection:
One mode of 3GPP connection, where there is a relay UE between the device and the 3GPP network. Indirect 3GPP connection is established using at least one direct device connection and at least one direct 3GPP connection.
Relay UE:
a UE that is capable of relaying communications to and from the network for other devices.
Service continuity:
The uninterrupted user experience of a service that is using an active communication when a UE undergoes an access change without, as far as possible, the user noticing the change.
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3.2  AbbreviationsWord‑p. 7

For the purposes of the present document, the abbreviations given in TR 21.905 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.
5G
5th Generation
IoT
Internet of Things
MIoT
Massive Internet of Things

4  OverviewWord‑p. 7

Among the use cases developed in the FS_SMARTER study [2], there are a group of use cases with massive number of devices (e.g., sensors, wearables) with a wide range of characteristics and demands. This group of use cases are particularly relevant to the new vertical services, such as smart home/city, smart utilities, e-Health and smart wearables.
This group includes different application scenarios:
  • Internet of Things
    Large numbers of devices with non-time critical data transfer, some very simple and some very complex, are members of this family. Some specific aspects also need to be considered, including efficiency of security and device configuration.
  • Smart wearables (Personal Area Network)
    The use of wearables consisting of multiple types of devices and sensors becomes mainstream. Some common attributes can be observed in this key family of use cases, such as low complexity and high battery life, high reliability, and some may also require high data rates.
  • Sensor networks
    Smart services will become pervasive in urban areas, and usage will also grow in suburban and rural areas. The aggregation of all these services leads to very high density of devices with very different characteristics expected to be combined in a common communication and interworking framework. Depending on the specific use cases, very low complexity devices with very long battery life may be required.
The following key families are identified in order to consolidate the potential requirements for the massive Internet of Things application scenarios:
  • Operational aspects
  • Connectivity aspects
  • Resource efficiency aspects
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