Multi-mode Fiber Node Analog Digital Signal Processing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional communication systems are power-hungry, slow, expensive, and inflexible, limiting their effectiveness in communication networks.
Innovation Solution
A multi-mode fiber node system that includes a wave division multiplexer, digital-to-analog and analog-to-digital converters, switches, and a configurable physical layer transceiver module, allowing for reconfiguration between analog and digital signal processing modes to optimize power usage and capacity, and enabling seamless upgrades and compatibility with different network standards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If conventional communication systems are used, then system simplicity is maintained, but power consumption is high and flexibility is low
Solution Approach 1:
The fiber node employs dynamic reconfiguration capability that allows switching between analog and digital signal processing modes based on real-time network conditions and service requirements. This dynamic adaptability enables the system to optimize power consumption by selecting appropriate processing modes while simultaneously maintaining flexibility to handle different network standards and capacity requirements.
Solution Approach 2:
The system implements parameter changes by allowing the physical layer transceiver module to operate in multiple modes (analog/digital, different capacity levels) and to reconfigure its characteristics based on network demands. This enables power consumption and capacity to be adjusted as variables rather than fixed parameters, resolving the contradiction between energy efficiency and adaptability.
2Productivity
If system capacity is increased, then bandwidth utilization improves, but cost and complexity increase
Solution Approach 1:
The fiber node is designed with modular architecture where the physical layer transceiver module can be independently configured and upgraded. This segmentation allows bandwidth capacity to be increased by adding or upgrading specific modules rather than redesigning the entire system, thereby improving productivity while controlling complexity through modular expansion.
Solution Approach 2:
The configurable physical layer transceiver module provides multi-functionality by supporting multiple network standards and capacity levels within a single device. This universality allows the system to achieve high bandwidth utilization through a single versatile platform rather than requiring multiple specialized systems, thus improving productivity without proportionally increasing complexity.
3Use of energy by moving object
If analog signal processing is used, then power consumption is reduced, but compatibility with digital network standards is limited
Solution Approach 1:
The fiber node implements dynamic mode switching between analog and digital signal processing based on the required network standard and service type. This allows the system to operate in low-power analog mode when appropriate while automatically switching to digital mode for compatibility with digital network standards, thus resolving the contradiction between power efficiency and adaptability.
Solution Approach 2:
The system changes its operational parameters by allowing the signal processing mode to be adjusted between analog and digital states. This parameter variability enables the fiber node to optimize power consumption by selecting analog processing when possible while maintaining compatibility with digital standards through parameter switching, thereby resolving the contradiction between energy use and versatility.
Data Source
AI summary
In a first configuration, circuitry of a fiber node may be configured to modulate an optical carrier by an analog upstream electrical signal received via the electrical network. In a second configuration, the circuitry may be configured to digitize the analog upstream electrical signal to generate a digitized upstream signal, and modulate the optical carrier with the digitized upstream signal. An optical receiver of the fiber node may be configured to convert a downstream optical signal to a downstream electrical signal. In the first configuration, the downstream electrical signal may be a first analog signal and the circuitry may be configured to output the first analog signal into the electrical network. In a third configuration, the downstream electrical signal is a digitized waveform and the circuitry is configured to convert the digitized waveform to a second analog signal and output the second analog signal into the electrical network.