Backscatter Device Signal Transmission with Nonoverlapping Resources

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Solution Overview

Problem

Existing IoT devices with zero power and non-zero power components face high communication costs due to the need for separate control devices and the use of professional card readers, increasing hardware and communication expenses.

Innovation Solution

Utilize distinct resources for communicating with zero power devices and non-zero power devices, ensuring no overlap, allowing a single control device to manage both types without affecting each other's communication, using energy harvesting and backscattering modules.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If separate control devices are used for zero power devices and non-zero power devices, then communication reliability is improved, but device complexity and communication cost increase

Engineering Contradiction:

Improvecommunication reliabilityVSAvoiddevice complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines the control functions for both zero power devices (via backscattering module) and non-zero power devices (via energy harvesting module) into a single control device. This merging eliminates the need for separate control devices while maintaining reliable communication with both device types through unified resource management and scheduling mechanisms.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The control device is designed with multi-functionality to handle both backscattering-based zero power devices and energy harvesting-based non-zero power devices. It implements universal communication protocols and resource allocation mechanisms that can serve both device types simultaneously, reducing overall system complexity while preserving communication reliability.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Measurement precision

If professional card readers are used for zero power devices, then communication precision is improved, but manufacturing cost and device complexity increase

Engineering Contradiction:

Improvecommunication precisionVSAvoidmanufacturing cost

Core Design Contradiction:

Measurement precisionVSEase of manufacture

Solution Approach 1:

The control device implements universal communication capabilities that can precisely communicate with both zero power devices (using backscattering protocols) and non-zero power devices (using energy harvesting protocols) without requiring separate professional card readers. This multi-functional approach maintains communication precision while significantly reducing manufacturing costs by eliminating specialized hardware requirements.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

Instead of requiring expensive professional card readers for zero power devices, the system uses a standardized control device that copies or replicates the necessary communication functions through software and standardized protocols, achieving similar precision at lower manufacturing cost.

Inventive Principle:

Principle #26Copying

3Productivity

If overlapping resources are used for communicating with different devices, then resource utilization is improved, but communication interference increases

Engineering Contradiction:

Improveresource utilizationVSAvoidcommunication interference

Core Design Contradiction:

ProductivityVSObject-generated harmful factors

Solution Approach 1:

The patent segments communication resources into distinct types (first resources for backscattering devices, second resources for energy harvesting devices) to prevent interference. By dividing the resource space and assigning specific resources to specific device types, the system achieves high resource utilization while eliminating communication interference between different device categories.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The control device dynamically allocates and manages communication resources based on the specific needs and types of connected devices. It implements adaptive resource scheduling that can dynamically assign first resources or second resources appropriately, optimizing resource utilization while preventing interference through real-time resource management and isolation mechanisms.

Inventive Principle:

Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables cost-effective communication between zero power and non-zero power devices by reusing existing hardware, reducing the need for additional components and maintaining efficient communication without interference.

Implementation Method 1

the second device includes an energy harvesting module and/or a backscattering module

Methodology Applied

Scientific EffectEnergy harvesting:

Implementation Method 2

sending, by the second device, feedback information to the control device according to the control information using a backscattering manner

Methodology Applied

Scientific EffectBackscattering:

Data Source

PatentUS12452097B2Signal transmission using backscatter device in wireless communication

Publication Date: 2025.10.21 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

AI summary

Provided are a communication method and device, and a storage medium. Provided are a communication method and device, and a storage medium. The method includes: a control device determining a first resource and a second resource, there being no resource overlap between the first resource and the second resource; and the control device communicating with a first device via the first resource and communicating with a second device via the second resource, the second device including an energy collection module and/or a backscatter module.