Heteromodal Two-Phase RF Sensing for Accuracy and Coverage
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Solution Overview
Problem
Existing wireless communication systems, particularly in the context of 5G, face challenges in efficiently utilizing different RF sensing modes for accurate and comprehensive sensing operations, limiting the effectiveness of RF sensing capabilities.
Innovation Solution
Implementing a heteromodal two-phase RF sensing method where a first RF sensing operation is followed by a second RF sensing operation using a different mode, such as UE-based monostatic, UE-to-WNS bistatic, or WNS-to-UE bistatic sensing modes, to enhance sensing accuracy and coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a single RF sensing mode is used, then the sensing operation is simple and fast, but the sensing accuracy and coverage are limited
Solution Approach 1:
The sensing operation is divided into two distinct phases: a first RF sensing operation using a first sensing mode, and a second RF sensing operation using a second sensing mode. This segmentation allows each phase to utilize different sensing modes optimized for specific tasks, thereby improving overall sensing accuracy without requiring a single complex mode to handle all scenarios.
Solution Approach 2:
The system dynamically selects and switches between different sensing modes based on the sensing requirements. The UE determines when to transition from the first sensing mode to the second sensing mode based on results from the first operation, enabling adaptive optimization of sensing performance for different scenarios.
2Adaptability or versatility
If multiple RF sensing modes are used, then the sensing coverage and accuracy are improved, but the system complexity and operation time increase
Solution Approach 1:
The sensing process is segmented into two phases with different sensing modes, allowing the system to leverage the strengths of each mode for specific sensing tasks. This segmentation enables comprehensive coverage without requiring all modes to operate simultaneously, thus managing time efficiently.
Solution Approach 2:
The system performs a first RF sensing operation using a first sensing mode before transitioning to a second sensing mode. This preliminary action allows the system to gather initial data and determine whether the second operation is necessary, optimizing the overall sensing process time while maintaining comprehensive coverage capabilities.
3Measurement precision
If RF sensing operations are performed sequentially in two phases, then the sensing accuracy is improved through heteromodal operation, but the total sensing time increases
Solution Approach 1:
The sensing operation is divided into two sequential phases, each using different sensing modes optimized for specific aspects of sensing. This segmentation enables the system to achieve high accuracy by leveraging the complementary strengths of different modes while managing the total duration through structured phasing.
Solution Approach 2:
The first RF sensing operation serves as a preliminary action that provides basis for determining whether the second operation is needed. This preliminary phase allows the system to optimize the overall duration by avoiding unnecessary second operations while maintaining the capability for enhanced accuracy when required.
Data Source
AI summary
Disclosed are techniques for wireless sensing. In an aspect, a user equipment (UE) or the UE and a wireless network structure (WNS) may perform a first radio frequency (RF) sensing operation using a first sensing mode. Based on the results of the first RF sensing operation, the UE and WNS may perform a second RF sensing operation using a second sensing mode different from the first sensing mode. At least one of the first sensing mode or the second sensing mode comprises a UE-based monostatic sensing mode, a UE-to-WNS bistatic sensing mode, or a WNS-to-UE bistatic sensing mode.