UWB Ranging Parameter Sets for Changing Channel Conditions
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Solution Overview
Problem
Narrowband assisted ultra-wideband multi-millisecond (NBA-UWB MMS) ranging sessions face reduced measurement performance due to long-term operating parameters that do not adapt to changing channel conditions between initiator and responder devices.
Innovation Solution
A communication method that sets specific parameter sets for each measurement cycle based on current channel conditions, allowing for efficient ranging measurements and reducing interference by dynamically adjusting parameters such as narrowband PHY parameters and UWB MMS configuration parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If long-term operating parameters are used for multiple measurement cycles, then device complexity is reduced and ease of operation is improved, but measurement precision deteriorates when channel conditions change
Solution Approach 1:
The patent implements dynamic parameter adjustment by allowing the initiator to send different parameter sets for different measurement cycles based on current channel conditions. The system transitions from static long-term parameters to dynamic per-cycle parameters, enabling adaptation to changing narrowband channel conditions while maintaining UWB ranging functionality.
Solution Approach 2:
The patent changes physical parameters by introducing multiple parameter sets with different configurations (e.g., different narrowband PHY parameters, ranging block structures, and UWB MMS parameters). The initiator selects and indicates appropriate parameter sets for each measurement cycle based on channel conditions, thereby optimizing measurement performance under varying conditions.
2Productivity
If long-term operating parameters are applied to all measurement cycles, then ease of operation is improved, but productivity deteriorates due to reduced measurement performance
Solution Approach 1:
The system dynamically adjusts parameter configurations for each measurement cycle based on real-time channel conditions. The initiator determines appropriate parameter sets and indicates them to the responder, enabling the system to optimize ranging efficiency for each cycle rather than using fixed parameters throughout the session.
Solution Approach 2:
The patent introduces multiple parameter sets with varying configurations tailored to different channel conditions. By selecting and applying appropriate parameter sets for each measurement cycle, the system improves overall ranging efficiency and productivity while adapting to changing narrowband channel characteristics.
3Adaptability or versatility
If fixed parameter sets are used across multiple measurement cycles, then device complexity is reduced, but adaptability deteriorates when channel conditions vary
Solution Approach 1:
The patent implements a dynamic parameter selection mechanism where the initiator assesses current channel conditions and selects appropriate parameter sets for each measurement cycle. This dynamic approach enables the system to adapt to varying narrowband channel conditions while maintaining manageable complexity through structured parameter set definitions.
Solution Approach 2:
The system employs multiple parameter sets with different configurations to adapt to various channel conditions. The initiator changes parameters between measurement cycles based on observed channel characteristics, thereby achieving high adaptability while managing complexity through organized parameter set structures and selection criteria.
Data Source
AI summary
A communication method includes: sending a first poll frame, where the first poll frame is for triggering ranging measurement in a first range-measurement cycle, the first poll frame further indicates a first parameter set that takes effect in the first range-measurement cycle, and the first parameter set includes one or more of the following parameters: a first narrowband physical layer (PHY) parameter, a first narrowband channel allow list, a first ranging block structure parameter, or a first ultra-wideband (UWB) multi-millisecond (MMS) ranging configuration parameter; and receiving a response frame of the first poll frame. According to the present disclosure, an initiator uses a poll frame to indicate a parameter set that takes effect in a current range-measurement cycle.