Dynamic Backscattering Service Termination for Ambient IoT
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Solution Overview
Problem
As the number of IoT devices is expected to surge, existing wireless communication technologies face challenges in efficiently managing and providing backscattering services to ambient IoT devices, particularly in ensuring continuous connectivity and resource optimization.
Innovation Solution
A processor-implemented method and network device architecture that selects user equipment (UE) to provide backscattering service to ambient IoT devices for a specified period, allows for the decision to cease service if certain conditions are met, and seamlessly transitions to backup UEs if necessary, ensuring efficient resource allocation and connectivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a UE commits to providing backscattering service for a guaranteed time period T, then service reliability is improved, but device resource flexibility deteriorates
Solution Approach 1:
The patent implements dynamic service termination by allowing the UE to notify the network device of its decision to cease backscattering service before the guaranteed time period T expires. This dynamic adjustment mechanism resolves the contradiction by enabling the UE to maintain service commitment reliability through notification while preserving resource flexibility to terminate service early when conditions change.
2Reliability
If the network device selects backup UEs in advance, then service reliability is improved, but device complexity increases
Solution Approach 1:
The patent applies preliminary action by having the network device select and configure backup UEs in advance before the primary UE needs to terminate service. This preparation in advance ensures immediate service continuity when the primary UE decides to cease service, improving reliability while managing complexity through pre-configuration rather than real-time selection.
3Reliability
If the UE monitors its own service provision status continuously, then service quality is improved, but energy consumption increases
Solution Approach 1:
The patent implements feedback mechanisms where the UE monitors its own service provision status, location changes, and service quality metrics. This continuous feedback enables the UE to make informed decisions about service termination and timely notifications to the network device, maintaining service quality while optimizing energy consumption by triggering actions only when necessary conditions are met.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach optimizes the use of UE resources, ensures continuous backscattering service, and manages mobility of ambient IoT devices by allowing for dynamic service adjustments and backup UE activation, thereby supporting the growing number of IoT devices effectively.
Implementation Method 1
Ambient IoT devices, which may be passive and capable of backscattering
Data Source
AI summary
A user equipment apparatus includes at least one processor and at least one memory. The at least one memory stores instructions which, when executed by the at least one processor, cause the user equipment apparatus at least to: receive, from a network device, an instruction to provide backscattering service to at least one ambient IoT device for a service period of time T; provide, based on the instruction, the backscattering service to at least one device; decide to cease providing the backscattering service prior to an end of the service period of time T; and transmit, to the network device prior to the end of the service period of time T, a notification indicating the decision to cease providing the backscattering service.