UWB Sensing Session Control for Accurate CIR Measurement
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Solution Overview
Problem
Existing UWB systems face challenges in accurately performing sensing operations due to inconsistent channel measurements and inefficient communication of sensing configuration parameters, leading to suboptimal sensing measurements and reduced spectral efficiency.
Innovation Solution
Implementing a sensing session setup request frame that indicates parameters for sensing instances, along with a sensing control information element containing common sensing control and CIR report configurations, enabling accurate and efficient sensing operations in UWB systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional sensing configuration methods are used in UWB systems, then device compatibility is maintained, but sensing measurement accuracy deteriorates due to inconsistent channel measurements
Solution Approach 1:
The sensing configuration is segmented into distinct information elements: a common sensing control configuration applicable to all sensing instances, and instance-specific configurations. This segmentation allows standardized measurement procedures while enabling precise control over each sensing instance's parameters, thereby improving measurement accuracy without compromising channel consistency.
Solution Approach 2:
The patent introduces specific parameters within the sensing control information elements, such as sensing instance identifiers, time resource allocations, and frequency resource allocations. By carefully controlling and standardizing these parameters across different sensing instances, the system achieves consistent channel measurements while maintaining high sensing measurement accuracy through precise parameter configuration.
2Measurement precision
If detailed sensing configuration parameters are transmitted for each sensing instance, then sensing accuracy is improved, but communication overhead increases reducing spectral efficiency
Solution Approach 1:
The patent merges common sensing control configurations into a single information element that applies to multiple sensing instances. This consolidation eliminates redundant transmission of identical configuration parameters across instances, reducing communication overhead and improving spectral efficiency while maintaining the ability to specify instance-specific parameters when needed for accurate sensing measurements.
Solution Approach 2:
The common sensing control configuration information element serves multiple sensing instances universally, providing a standardized framework that applies across different instances. This multi-functional approach allows the same configuration structure to be reused repeatedly, minimizing communication overhead while ensuring consistent and accurate sensing measurements across all instances that share the common configuration.
3Speed
If sensing control information is transmitted frequently for each sensing instance, then real-time sensing capability is improved, but data transmission efficiency deteriorates
Solution Approach 1:
The sensing control information elements are transmitted periodically at scheduled intervals corresponding to sensing instance occurrences. This periodic transmission pattern ensures real-time sensing capability by maintaining up-to-date configuration information without requiring continuous data transmission, thereby preserving data transmission efficiency through structured, interval-based communication rather than constant overhead.
Data Source
AI summary
This disclosure provides methods, components, devices and systems for radio frequency sensing control for an ultra-wideband system. Some aspects more specifically relate to setting up one or more sensing instances (sensing rounds) for one or more respective sensing operations. In some implementations, a first wireless device (for example a controller, an initiator) may transmit a sensing session setup request frame that indicates a set of parameters for the one or more sensing instances. For each of the sensing instances, the first wireless device may transmit a sensing control information element that includes at least a common sensing control configuration and a channel impulse response report configuration. The first wireless device may participate in the sensing operations with at least a second wireless device (for example one or more responders or controlees) during the respective sensing instances.