Study on Ambient power-enabled Internet of Things
The present document provides Stage 1 potential 5G service requirements for ambient power-enabled Internet of Things (i.e., Ambient IoT). In the context of the present document, an Ambient power-enabled IoT device is an IoT device powered by energy harvesting, being either battery-less or with limited energy storage capability (e.g., using a capacitor) and the energy is provided through the harvesting of radio waves, light, motion, heat, or any other suitable power source. An ambient IoT device is expected to have lower complexity, smaller size and reduced capabilities and lower power consumption than previously defined 3GPP IoT devices (e.g., NB-IoT/eMTC devices). Ambient IoT devices can be maintenance free and can have long life span (e.g., more than 10 years).
The aspects addressed in the present document include:
• Study use cases of ambient power-enabled IoT and identify potential service requirements, including:
▪ Security aspects, e.g., authentication and authorization, etc.
▪ Network selection, access control, connection, mobility and identification management
▪ Charging (e.g., per data volume, per message)
▪ Aspects related to stakeholder models (e.g., involving interactions in PLMNs, NPNs or other parties)
▪ Positioning
▪ Aspects on device life cycle management related to 3GPP system.
• Study traffic scenarios, device constraints (e.g., power consumption) and identify potential performance requirements and KPIs
• Gap analysis between the identified requirements for ambient power-enabled IoT and what is already defined by existing 3GPP requirements.
Note: How Ambient IoT device performs energy harvesting is out of scope of this technical report.