Terminal Transmit Power Control via Network-Configured Detection Window

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Solution Overview

Problem

Current terminal devices face challenges in controlling transmit power to ensure human safety without increasing hardware costs or space occupation, as traditional sensor-based methods are inefficient and conservative, limiting their performance.

Innovation Solution

A method where the terminal device sends information to a network device to configure a detection time window for object detection, allowing the terminal to perform power control based on detection results using both licensed and unlicensed frequency bands, enabling efficient power management without additional hardware.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If sensor-based detection is used to control transmit power, then human safety can be ensured, but hardware cost and space occupation increase

Engineering Contradiction:

Improveradiation safetyVSAvoidhardware cost and space

Core Design Contradiction:

Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The terminal device uses its own communication signal to perform detection function, making the communication system serve itself for detection purposes without requiring separate detection hardware

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The communication signal is made to serve dual purposes: both communication and detection, allowing the same hardware to perform multiple functions

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Device complexity

If conservative processing manner is adopted without sensors, then hardware cost is reduced, but detection accuracy and power control performance deteriorate

Engineering Contradiction:

Improvehardware costVSAvoiddetection accuracy

Core Design Contradiction:

Device complexityVSMeasurement precision

Solution Approach 1:

The terminal device receives feedback information from the network device about detected objects, and uses this feedback to adjust its transmit power control strategy

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The network device acts as an intermediary that performs detection and provides feedback information to the terminal device, enabling accurate detection without requiring complex terminal hardware

Inventive Principle:

Principle #24Intermediary (Mediator)

3Measurement precision

If detection time window is configured by network device, then detection accuracy is improved, but communication time is reduced

Engineering Contradiction:

Improvedetection accuracyVSAvoidcommunication efficiency

Core Design Contradiction:

Measurement precisionVSProductivity

Solution Approach 1:

The detection is performed periodically within configured time windows, allowing both detection and communication to occur in an organized periodic manner

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The detection time window configuration is dynamic and can be adjusted by the network device based on current communication conditions and detection requirements

Inventive Principle:

Principle #15Dynamics

Data Source

PatentUS20240064658A1Transmit power control method, terminal device, and network device

Publication Date: 2024.02.22 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

AI summary

A transmit power control method includes: a terminal device sends first information to a network device, the first information being used for instructing the network device to configure a detection time window for the terminal device; the terminal device performs object detection within the detection time window configured by the network device; and the terminal device implements transmit power control on the basis of the result of the object detection.