Wireless Sensing Resource Allocation for Communication Reliability

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing wireless communication systems face challenges in executing data communication while simultaneously performing wireless sensing for presence, position, and behavior detection of objects without hindering data communication.

Innovation Solution

A wireless sensing system that allocates wireless resources for both data communication and sensing by using a wireless communication device, memory, and processor to manage resource allocation based on a request for data communication.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If wireless sensing is performed using radio waves for wireless communication, then sensing accuracy for detecting presence, position, and behavior is improved, but data communication may be hindered or interfered with

Engineering Contradiction:

Improvesensing accuracyVSAvoiddata communication reliability

Core Design Contradiction:

Measurement precisionVSReliability

Solution Approach 1:

The system segments wireless resources by dividing frequency bands into communication bands and sensing bands. The processor allocates specific frequency resources for sensing operations separate from those used for data communication, thereby improving sensing accuracy while preventing communication interference through frequency domain segmentation.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system dynamically adjusts wireless resource allocation based on communication environment conditions. The processor monitors channel state information and adapts the sensing resource allocation in real-time, changing the degree of resource sharing between communication and sensing operations to optimize both sensing accuracy and communication reliability under varying conditions.

Inventive Principle:

Principle #15Dynamics

2Productivity

If multiple frequency bands are used for both data communication and wireless sensing, then communication capacity and sensing capability are enhanced, but resource interference and allocation complexity increase

Engineering Contradiction:

Improvecommunication capacityVSAvoidresource allocation complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The system applies different resource allocation strategies to different frequency bands based on their local characteristics. The processor identifies suitable frequency bands for sensing versus communication based on channel conditions, interference levels, and service requirements, allocating resources locally optimized for each band's specific quality and usage needs.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The system changes allocation parameters such as frequency band selection, time slot distribution, and power levels based on communication environment conditions. The processor adjusts these parameters dynamically to balance communication capacity and sensing capability while managing the complexity of multi-band resource allocation through adaptive parameter optimization.

Inventive Principle:

Principle #35Parameter changes

Data Source

PatentUS12615659B2Wireless sensing device, wireless sensing system, resource allocation method, and medium

Publication Date: 2026.04.28 RICOH CO LTD

AI summary

A wireless sensing system that senses presence, position, or behavior of an object by a radio wave used for wireless communication, and communicates with a device, includes a wireless sensing device including a wireless communication device, a memory, and a processor configured to, before executing sensing, based on a request for data communication from the device, allocate wireless resources to be used for data communication and the sensing.