Adaptive Wireless Transmission for Zero-Power Terminal Reliability

Solution Overview

Problem

Existing communication systems face challenges in efficiently transmitting signals from zero-power terminals that support both active transmission and back scattering communication, balancing power consumption and transmission performance.

Innovation Solution

A method for wireless communication where a terminal device transmits a first signal using a target transmission manner, which includes an active transmission manner and/or a back scattering manner, determined based on factors such as power state, transmission duration, ambient power intensity, and signal type.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If zero-power terminals use active transmission manner, then signal transmission reliability is improved, but power consumption increases

Engineering Contradiction:

Improvesignal transmission reliabilityVSAvoidpower consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The terminal device dynamically selects between active transmission and back scattering transmission manners based on real-time conditions including power state, transmission duration requirements, and ambient power intensity. This dynamic adaptation allows the system to optimize between reliability and power consumption by choosing the appropriate transmission mode for each specific scenario.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system changes transmission parameters by switching between different transmission manners (active vs. back scattering) based on varying conditions such as power state, transmission duration, and ambient power intensity. This parameter change enables the terminal to adapt its transmission characteristics to balance reliability requirements with power consumption constraints.

Inventive Principle:

Principle #35Parameter changes

2Use of energy by moving object

If zero-power terminals use back scattering manner, then power consumption is reduced, but signal transmission reliability deteriorates

Engineering Contradiction:

Improvepower consumptionVSAvoidsignal transmission reliability

Core Design Contradiction:

Use of energy by moving objectVSReliability

Solution Approach 1:

The terminal device dynamically selects between active transmission and back scattering transmission manners based on real-time conditions including power state, transmission duration requirements, and ambient power intensity. This dynamic adaptation allows the system to optimize between reliability and power consumption by choosing the appropriate transmission mode for each specific scenario.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The system changes transmission parameters by switching between different transmission manners (active vs. back scattering) based on varying conditions such as power state, transmission duration, and ambient power intensity. This parameter change enables the terminal to adapt its transmission characteristics to balance reliability requirements with power consumption constraints.

Inventive Principle:

Principle #35Parameter changes

3Adaptability or versatility

If terminal device supports both active transmission and back scattering, then adaptability is improved, but device complexity increases

Engineering Contradiction:

Improvetransmission manner adaptabilityVSAvoidterminal device complexity

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The terminal device is designed with multi-functionality to support both active transmission and back scattering transmission manners. This universal design enables the device to adapt to different operating conditions and scenarios, improving versatility while managing complexity through integrated architecture.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The terminal device dynamically selects between active transmission and back scattering transmission manners based on real-time conditions including power state, transmission duration requirements, and ambient power intensity. This dynamic adaptation allows the system to optimize between reliability and power consumption by choosing the appropriate transmission mode for each specific scenario.

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

This approach allows zero-power terminals to adaptively choose between active transmission and back scattering, optimizing power consumption and ensuring successful signal transmission while maintaining compatibility with traditional communication systems.

Implementation Method 1

a zero-power terminal may not actively transmit signals, but send information by back scattering carrier signals

Methodology Applied

Scientific EffectBack scattering: Scattering

Data Source

PatentUS20250142471A1Method for wireless communication, terminal device, and chip

Publication Date: 2025.05.01 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

AI summary

A method for wireless communication and a terminal device are provided. The method including: transmitting, by a terminal device, a first signal using a target transmission manner, where the target transmission manner includes an active transmission manner and/or a back scattering manner.