MAC Frame Structure for Energy-Harvesting IoT Transmission

Solution Overview

Problem

Communication devices powered by environmental energy face issues such as excessive energy consumption, low transmission efficiency, and potential failure due to using conventional frame structures, particularly in IoT devices with short working duration and small packet data transmission.

Innovation Solution

A new frame transmission method and structure for communication devices, including optimized MAC frames with reduced fields like duration/ID, QoS control, and HT Control, and modified address and sequence control fields, tailored for devices using environmental energy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional frame structure is used by communication device based on environmental energy, then compatibility with existing systems is maintained, but energy consumption increases and transmission efficiency decreases

Engineering Contradiction:

Improvecompatibility with existing systemsVSAvoidenergy consumption

Core Design Contradiction:

Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The patent extracts and removes unnecessary fields from the conventional MAC frame structure, specifically eliminating the Duration/ID field and QoS Control field, to create a simplified frame structure that reduces processing overhead and energy consumption while maintaining essential communication functionality for IoT devices

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent changes the frame structure parameters by modifying the Frame Control field to include a simplified Version field and removing redundant fields, thereby adapting the frame structure to the specific needs of environmental energy-powered communication devices while preserving core compatibility

Inventive Principle:

Principle #35Parameter changes

2Adaptability or versatility

If conventional frame structure is used by communication device based on environmental energy, then system compatibility is maintained, but transmission efficiency decreases

Engineering Contradiction:

Improvesystem compatibilityVSAvoidtransmission efficiency

Core Design Contradiction:

Adaptability or versatilityVSProductivity

Solution Approach 1:

The patent extracts and removes unnecessary fields from the conventional MAC frame structure, specifically eliminating the Duration/ID field and QoS Control field, to create a simplified frame structure that reduces processing overhead and energy consumption while maintaining essential communication functionality for IoT devices

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The patent segments the MAC frame into essential components only, separating and removing redundant fields while keeping the critical Frame Control, Address, and Sequence Control fields, thereby improving transmission efficiency by reducing the overall frame size and processing requirements

Inventive Principle:

Principle #1Segmentation

3Adaptability or versatility

If conventional frame structure is used by communication device based on environmental energy, then compatibility is maintained, but transmission reliability fails

Engineering Contradiction:

ImprovecompatibilityVSAvoidtransmission reliability

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent changes the frame structure parameters by modifying the Frame Control field to include a simplified Version field and removing redundant fields, thereby adapting the frame structure to the specific needs of environmental energy-powered communication devices while preserving core compatibility

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent extracts and removes unnecessary fields from the conventional MAC frame structure, specifically eliminating the Duration/ID field and QoS Control field, to create a simplified frame structure that reduces processing overhead and energy consumption while maintaining essential communication functionality for IoT devices

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentUS20250373549A1Frame transmission method, communication device and storage medium

Publication Date: 2025.12.04 GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

AI summary

There are provided a frame transmission method, a communication device and a storage medium. The method includes: a first device sending or receiving a MAC frame, wherein the MAC frame has a first frame structure, and the first frame structure is different from conventional frame structures; and the first device is a communication device based on environmental energy.