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TR 22.807 (SA1)
Study on enhancements for
infrastructure-based data communication between devices

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(W-zip) V13.0.0    2014/09    22 p.

Rapporteur:  Mr. Norp, Toon
See also:  MTC-related TS/TR    

More and more devices are becoming connected. These connected devices can be MTC devices such as smart meters, but increasingly all kinds of consumer electronic devices (e.g. photo cameras, navigation devices, e-books, hifi equipment, TVs) are connected. Where Machine-Type Communication is generally client server based, many consumer electronic devices also communicate with other consumer electronic devices. For example a photo camera can communicate with a printer, or a media server can communicate with hi-fi equipment. It may be of interest for the cellular industry to support infrastructure based discovery and communications between connected devices, i.e. without the need for intermediate network servers.

In this context, the objective of the present document is to study:
  • Potential enhancements to support secure discovery of UEs of interest
  • Potential enhancements to support secure optimized end-to-end data communication between UEs via the 3GPP infrastructure
  • Potential enhancements derived from user requirements for identification in communication between UEs
  • Potential interactions of data communication between devices with LIPA and SIPTO
UEs may represent functions/capabilities provided by non-3GPP devices in order to support interworking. However, discovery of, or end-to-end data communication with, non-3GPP devices themselves is out of scope.

Potential enhancements will be studied through the definition of use cases. From these use cases, potential requirements are identified. For potential requirements identified, if any, it will be determined what is the best way to approach normative specification.


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1   Scope   Word-p. 6
2   References
3   Definitions and abbreviations
4   Scenarios and Use Cases
4.1   UE requests a Globally Routable IP Address from its MNO
4.2   UE requests its MNO to help create IP connection to another UE
4.3   Automated IP Connectivity Establishment as a fallback to a ProSe direct connection      Up
4.4   eICBD Communication Path Optimization
4.5   Service discovery
4.6   eICBD Security Use Case
4.7   Offload of IP connection between Devices to ProSe Direct Communication
4.8   Charging for eICBD
5   Data paths in eICBD communications   Word-p. 15
6   Potential requirements   Word-p. 17
7   Conclusions   Word-p. 18
A   Overview of requirements   Word-p. 19
B   Change history   Word-p. 22

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