DRX Positioning Capability Reporting for Power-Accuracy Balance

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Solution Overview

Problem

Current wireless communication technologies do not support terminals transmitting positioning reference signals during the inactive period of DRX, leading to conflicts between power-saving and positioning signal processing.

Innovation Solution

Terminals report their positioning signal processing capabilities during DRX periods, allowing the network to adjust configurations accordingly, enabling flexible and diverse positioning methods that adapt to different power consumption and latency demands in 5G vertical industries.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If the terminal enters DRX inactive period to save power, then power consumption is reduced, but positioning reference signal transmission is not supported

Engineering Contradiction:
Improvepower consumptionVSAvoidpositioning signal processing capability
Core Design Contradiction:
Use of energy by moving objectVSAdaptability or versatility

Solution Approach 1:

The terminal dynamically adjusts its positioning signal processing capability during DRX periods based on network configuration and service requirements. The capability can be switched between different states (full processing, partial processing, or no processing) to balance power saving and positioning functionality.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The terminal reports positioning signal processing capability parameters to the network, allowing the network to configure appropriate DRX parameters and positioning signal transmission parameters. This enables flexible adjustment of power consumption and positioning performance through parameter optimization.

Inventive Principle:
Principle #35Parameter changes

2Measurement precision

If the terminal processes positioning signals during DRX period, then positioning accuracy is improved, but power consumption increases

Engineering Contradiction:
Improvepositioning accuracyVSAvoidpower consumption
Core Design Contradiction:
Measurement precisionVSUse of energy by moving object

Solution Approach 1:

The terminal can perform partial positioning signal processing during DRX inactive period instead of full processing. For example, it may process only essential signals or reduce processing complexity, achieving acceptable positioning accuracy with lower power consumption.

Inventive Principle:
Principle #16Partial or excessive action

Solution Approach 2:

The terminal processes positioning signals periodically during DRX cycles rather than continuously. By aligning signal processing with DRX wake-up periods or specific subframes, the terminal achieves positioning functionality while maintaining power-saving benefits of DRX.

Inventive Principle:
Principle #19Periodic action

3Use of energy by moving object

If the network configures DRX parameters to extend inactive period, then power efficiency is improved, but positioning service quality may deteriorate

Engineering Contradiction:
Improvepower efficiencyVSAvoidpositioning service quality
Core Design Contradiction:
Use of energy by moving objectVSReliability

Solution Approach 1:

The terminal reports its positioning signal processing capability and DRX configuration preferences to the network. The network uses this feedback to optimize DRX parameters and positioning signal configuration, ensuring that power efficiency and positioning service quality are balanced according to actual terminal capabilities and service requirements.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS12418789B2Capability reporting and processing method, device and apparatus, and medium
Publication Date: 2025.09.16 DATANG MOBILE COMM EQUIP CO LTD
  • US12418789B2 patent drawing
  • US12418789B2 patent drawing
  • US12418789B2 patent drawing

AI summary

This disclosure provides a capability reporting method, a capability report processing method, a device, an apparatus and a medium. The capability reporting method includes: reporting, by a terminal, proactively or in response to a request of a positioning server, a positioning signal processing capability for a period of discontinuous reception to a base station serving the terminal and/or to the positioning server. After allocating resources to the terminal according to the positioning signal processing capability for the period of discontinuous reception, the base station configures and sends to the terminal an indication indicating whether processing of a positioning reference signal is allowed during the period of discontinuous reception. A positioning server selects a positioning method for the terminal according to positioning service quality of service requirements and the positioning signal processing capability for the period of discontinuous reception.