Cellular RF Sensing Coordination for Low-Latency Object Detection
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Solution Overview
Problem
Existing wireless communication systems, particularly 5G networks, face challenges in enhancing spectral efficiency, supporting large sensor deployments, and reducing latency for applications like object detection and biological function monitoring.
Innovation Solution
Implementing radio frequency (RF) sensing techniques using a cellular network, where an application device sends RF sensing requests to a network entity, which coordinates RF sensing of regions or objects, and receives reports indicating the results, enabling applications such as object tracking, crowd detection, and biological function monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If 4G wireless communication systems are used, then existing infrastructure and protocols are maintained, but spectral efficiency and signaling efficiency are insufficient for 5G requirements
Solution Approach 1:
The patent changes the parameter of communication generation from 4G to 5G, which fundamentally improves spectral efficiency through new modulation schemes, MIMO technology, and resource allocation methods that are specifically designed for 5G requirements
2Loss of time
If 4G systems support current connection numbers, then existing network capacity is utilized, but latency is high and cannot support large sensor deployments
Solution Approach 1:
The patent implements preliminary action by pre-configuring network slices and resources for massive IoT deployments, allowing the network to be prepared in advance for handling large numbers of connections with low latency requirements, rather than reacting to demand in real-time
3Ease of operation
If traditional wireless communication protocols are used, then compatibility with existing systems is maintained, but signaling efficiency is insufficient for enhanced coverage and connectivity
Solution Approach 1:
The patent applies segmentation by dividing the wireless communication system into distinct protocol layers and functional blocks, allowing optimized signaling procedures for different purposes (e.g., random access, data transmission, control signaling) while maintaining overall system compatibility
Data Source
AI summary
An RF sensing method includes: producing, at an application device, an RF sensing request including a request for a network entity to coordinate RF sensing of at least one of a region or an object, wherein the RF sensing request includes at least one criterion of the RF sensing, the at least one criterion comprising at least one of an indication of the region, an identity of at least one RF sensing device, or an identity of a target object of the RF sensing; sending the RF sensing request from the application device to the network entity; and receiving, at the application device from the network entity, an RF sensing report indicating a result of the RF sensing.