Low-Power Positioning Requests for Idle-State UE Measurements
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Solution Overview
Problem
Existing technologies fail to support low power location request procedures for UEs with specific subscriptions or LCS clients, and do not effectively reduce UE power consumption in one-time positioning, particularly for devices with limited movement ranges or static IoT devices.
Innovation Solution
A method involving network functions that transmit low power indications and area information to UEs, allowing them to perform location requests in idle or inactive states, reducing power consumption by limiting measurements and event reporting within specified areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the RAN node decides whether to perform low power location request procedure, then the decision can be made at the access level, but the RAN node cannot obtain UE subscription information, LCS client types, and other core network information
Solution Approach 1:
The patent introduces an intermediary mechanism where the core network function (LMF) provides low power indication information to the RAN node. This intermediary allows the RAN node to make informed decisions about low power location requests without directly accessing core network databases, resolving the contradiction between decentralized decision-making and access to specialized information.
2Measurement precision
If the UE performs location measurement in connected state, then the positioning accuracy can be ensured, but the power consumption increases
Solution Approach 1:
The patent implements dynamic state transitions for the UE, allowing it to switch between connected and idle/inactive states based on positioning requirements. The network can trigger the UE to perform measurements in idle/inactive states when possible, reducing power consumption while maintaining positioning capability through dynamic adaptation of the operational state.
Solution Approach 2:
The patent changes the operational parameters of the UE by introducing low power indication information that modifies the positioning procedure parameters. This allows the system to adjust measurement frequency, reporting requirements, and state transitions to optimize the balance between positioning accuracy and power consumption based on specific service requirements.
3Reliability
If the UE is required to report positioning events frequently, then the positioning service quality is improved, but the power consumption and interaction time in connected state increases
Solution Approach 1:
The patent implements periodic action by allowing the UE to remain in idle or inactive states between positioning events, only activating for scheduled measurements and reports. This periodic activation pattern reduces overall power consumption compared to continuous connected state monitoring, while still maintaining positioning service quality through structured periodic updates.
Solution Approach 2:
The patent applies partial action by selectively triggering positioning measurements only when necessary, rather than continuous monitoring. The low power indication information enables the network to request positioning services at reduced frequency or with relaxed accuracy requirements when full positioning service is not needed, reducing power consumption while maintaining adequate service quality.
Data Source
AI summary
Embodiments of the present disclosure provide a method for reducing positioning power consumption, a network element, a terminal, an apparatus, and a storage medium. The method for reducing positioning power consumption, applied to a first network element, includes the first network element sending a first message to a second network element or a third network element, the first message carrying a low-power consumption indication and/or region information, the low-power consumption indication being used to indicate execution of a low-power consumption positioning process, and the region information being used to indicate a region allowing a terminal to send an event report.