MAC Frame Header Design for Mid-Short Distance Wireless Systems

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current wireless communication systems lack a simple and expandable MAC frame header that is specifically designed for mid-short distance wireless communication systems, leading to increased processing complexity and reduced system performance.

Innovation Solution

A wireless communication method that generates MAC protocol data units (MPDUs) with a common MAC frame header, including a frame control field, fragment number field, sequence number field, reserved field, fragment indication field, and length field, to facilitate efficient transmission and parsing, while allowing for different frame header lengths and types based on the type of data being sent.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of energy

If a common MAC frame header is designed with complete functions for mid-short distance wireless communication, then the system overhead is reduced and air interface resource utilization is enhanced, but the frame header structure becomes more complex to accommodate multiple fields (frame control, fragment number, sequence number, reserved, fragment indication, and length fields)

Engineering Contradiction:
Improvesystem overheadVSAvoidframe header structure
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The MAC frame header is designed as a universal structure that can handle multiple functions including frame control, fragmentation, sequencing, and length indication within a single standardized format. This multi-functional header reduces the need for multiple separate control mechanisms, thereby reducing system overhead while maintaining manageable complexity through standardization.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Adaptability or versatility

If different frame header lengths and types are supported based on the type of data being sent, then the adaptability and versatility of the communication system is improved, but the processing complexity increases

Engineering Contradiction:
Improveframe type supportVSAvoidprocessing complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The frame header structure is designed to be dynamic, where the length and specific fields of the header can vary depending on the type of data being transmitted. This allows the system to adapt to different communication needs (such as management frames versus data frames) while maintaining a standardized base structure that simplifies processing through predictable patterns and rules.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP2693831B1Wireless communication method, sending device and receiving device
Publication Date: 2019.03.06 BEIJING NUFRONT MOBILE MULTIMEDIA TECH
  • EP2693831B1 patent drawingFigure 1~2
  • EP2693831B1 patent drawingFigure 3~4
  • EP2693831B1 patent drawingFigure 5~8

AI summary

Disclosed is a wireless communication method, comprising: determining a type of a media access control MAC frame header according to a type of a media access control protocol data unit MPDU; assigning a value to a function field in the MAC frame header to generate the MAC frame header; generating an MPDU, the MPDU at least comprising the MAC frame header; and encapsulating the MPDU and sending the encapsulated MPDU. Further disclosed are a transmitting device and a receiving device. By using the method and devices of the present invention, a signaling format having complete functions and compact structure and being easy to implement and extend is implemented, which is applicable to a newly defined medium-to-short distance wireless communication system, and reduces the complexity in processing. Moreover, the present invention is simple in processing, stable, convenient in resolving, and has low requirement on system performance, thereby implementing high-efficient transmission of services and increasing the utilization of air interface resources.