Space Division Multiplexing Fiber Network Resource Allocation
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Solution Overview
Problem
Current space division multiplexing-based fiber networks face challenges in efficiently determining physical paths and allocating optical resources to maximize network performance and resource efficiency, particularly due to limited cores or modes and interference issues.
Innovation Solution
A method involving a fiber network operation apparatus with a determination unit to identify physical paths and an allocation unit to allocate optical resources based on shortest path priority, interference minimization, and resource efficiency criteria, ensuring efficient resource allocation and reduced interference.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If space division multiplexing is used to increase transmission capacity by installing multiple cores in one optical fiber, then the transmission capacity is improved, but inter-core interference occurs which reduces network performance
Solution Approach 1:
The patent segments the optical fiber into multiple independent cores, each capable of carrying separate data streams. This segmentation increases transmission capacity while the system manages inter-core interference through careful resource allocation and path selection, resolving the contradiction between increased capacity and maintained performance
Solution Approach 2:
The patent changes the parameter of core allocation by dynamically selecting which cores to use for different data streams based on interference levels, network conditions, and resource availability. This dynamic parameter adjustment allows the system to maximize transmission capacity while minimizing inter-core interference impacts on network performance
2Reliability
If optical resources are allocated to maximize network performance, then network performance is improved, but resource efficiency decreases due to limited cores and modes
Solution Approach 1:
The patent implements dynamic resource allocation where core and mode assignments are not fixed but can be changed based on real-time network conditions, traffic demands, and interference levels. This dynamic approach allows the system to optimize both network performance and resource efficiency by adapting to changing conditions rather than being constrained by static allocations
Solution Approach 2:
The patent makes optical resources universal by allowing the same core or mode to be allocated to different data streams at different times based on network needs. This multi-functionality of optical resources increases resource efficiency while the system maintains network performance through careful management of allocations and consideration of interference patterns
3Device complexity
If a fixed resource allocation strategy is used, then device complexity is reduced, but adaptability to changing network conditions deteriorates
Solution Approach 1:
The patent performs preliminary actions by pre-calculating and storing information about core and mode characteristics, interference patterns, and potential allocation scenarios. This preliminary preparation enables the system to quickly adapt to changing network conditions using pre-computed data, reducing the complexity of real-time decision-making while maintaining high adaptability
Data Source
AI summary
The present disclosure relates to a fiber network operation apparatus for providing a method of determining a physical path in consideration of network performance and resource efficiency in a space division multiplexing-based fiber network and allocating optical resources according thereto, and an operation method thereof.