OAM Block Multiplexing in Idle Data Stream Slots

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Solution Overview

Problem

Existing communication technologies face challenges in efficiently transmitting Operation Administration and Maintenance (OAM) messages without dedicated transmission resources, affecting user experience and resource utilization.

Innovation Solution

The method involves replacing idle blocks in data streams with OAM blocks, utilizing existing transmission resources, and maintaining compatibility with conventional systems by ensuring no change in data stream length or transmission characteristics.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If dedicated transmission resources are allocated for OAM message transmission, then transmission reliability is improved, but resource utilization rate deteriorates

Engineering Contradiction:
Improvetransmission reliabilityVSAvoidresource utilization rate
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent makes the data stream transmission channel serve dual purposes: carrying both user data and OAM messages. By multiplexing OAM messages into the existing data stream using idle blocks, the same transmission resource is utilized for both data communication and maintenance operations, eliminating the need for dedicated OAM transmission resources and thus improving resource utilization while maintaining reliable OAM delivery

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

2Productivity

If OAM messages are transmitted in the data stream, then resource utilization is improved, but compatibility with conventional systems deteriorates

Engineering Contradiction:
Improveresource utilization rateVSAvoidcompatibility
Core Design Contradiction:
ProductivityVSAdaptability or versatility

Solution Approach 1:

The patent applies local quality by making only the necessary minimal modification to the data stream structure - replacing idle blocks with OAM blocks at specific positions. This localized change affects only the block content rather than the overall stream structure, allowing conventional systems to process the stream normally while enabling OAM functionality where needed, thus maintaining compatibility while achieving resource utilization improvement

Inventive Principle:
Principle #3Local quality

3Adaptability or versatility

If data stream parameters are changed to accommodate OAM blocks, then OAM transmission capability is improved, but transmission complexity increases

Engineering Contradiction:
ImproveOAM transmission capabilityVSAvoidtransmission complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent changes the content parameter of specific blocks (from idle blocks to OAM blocks) rather than changing fundamental transmission parameters like data stream length, block size, or transmission rate. This selective parameter change enables OAM transmission capability while keeping the overall transmission system unchanged, avoiding increased transmission complexity

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP3678330B1OAM message transmission method and transmission device, and storage medium
Publication Date: 2023.02.15 CHINA MOBILE COMM GRP CO LTD
  • EP3678330B1 patent drawingFigure 1~2
  • EP3678330B1 patent drawingFigure 3~4
  • EP3678330B1 patent drawingFigure 5~7

AI summary

Disclosed in the embodiments of the present invention are an OAM message transmission method and transmission device, and a storage medium. The OAM message transmission method comprises: obtaining an OAM block generated on the basis of an OAM message; replacing an idle block in a data stream with the OAM block; and sending the data stream carrying the OAM block.