Pluggable Optical Transceivers with Integrated FEC and OAM&P
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Solution Overview
Problem
Current optical transceivers, while standardized for interoperability, lack advanced functionalities such as integrated framing, forward error correction, and performance monitoring, which are essential for carrier-grade wavelength division multiplexed transport, necessitating additional equipment like optical transponders.
Innovation Solution
Incorporating circuitry within optical transceivers for integrated framing and forward error correction, and providing optical layer operations, administration, maintenance, and provisioning (OAM&P) capabilities, while maintaining compatibility with existing multi-source agreement (MSA) specifications to support high-speed signals and advanced functionalities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If MSA specifications are tightly defined to maximize density and minimize cost, then manufacturing cost and device density are improved, but optical performance and advanced functionality are limited
Solution Approach 1:
The patent combines multiple previously separate functions (framing, FEC, performance monitoring, OAM&P) into the optical transceiver module itself. This merging allows the transceiver to achieve carrier-grade functionality without requiring external transponders, thus improving optical performance while maintaining MSA compliance for cost-effective manufacturing
Solution Approach 2:
The optical transceiver is designed with multi-functionality, serving as both a basic transmission device and an advanced network element with integrated framing, error correction, and monitoring capabilities. This universal design allows a single device to replace multiple specialized components, improving performance without increasing manufacturing complexity
2Adaptability or versatility
If additional equipment like optical transponders is used to achieve carrier-grade functionality, then advanced functionalities are improved, but device complexity and system cost are worsened
Solution Approach 1:
The patent merges the functions of optical transponders into the optical transceiver module. By integrating framing, FEC, performance monitoring, and OAM&P capabilities directly into the transceiver, the system eliminates the need for separate transponder equipment, thereby reducing system complexity while maintaining advanced functionality
Solution Approach 2:
The optical transceiver is designed as a universal device that can perform both basic optical transmission and advanced carrier-grade functions. This multi-functionality allows the single device to replace multiple specialized components (transceivers plus transponders), reducing overall system complexity
3Ease of operation
If optical transceivers are standardized for interoperability, then ease of operation and vendor compatibility are improved, but integrated functionalities are limited
Solution Approach 1:
The patent designs the optical transceiver with universal multi-functionality that complies with MSA specifications. The device maintains standard interoperability features while simultaneously integrating advanced functionalities (framing, FEC, performance monitoring, OAM&P), allowing it to operate seamlessly in standardized environments while providing enhanced capabilities
4Reliability
If external transponders are used to provide framing and error correction, then functional capabilities are improved, but loss of time and system overhead are worsened
Solution Approach 1:
The patent merges signal processing functions (framing, FEC, monitoring) into the optical transceiver module, enabling these operations to be performed in the same device where the optical signal is received. This eliminates the time delay associated with transmitting signals to external transponders for processing, while maintaining robust error correction capabilities
Data Source
AI summary
Integrated performance monitoring (PM); optical layer operations, administration, maintenance, and provisioning (OAM&P); alarming; amplification, and the like is described in optical transceivers, such as multi-source agreement (MSA)-defined modules. A pluggable optical transceiver defined by an MSA agreement can include advanced integrated functions for carrier-grade operation which preserves the existing MSA specifications allowing the pluggable optical transceiver to operate with any compliant MSA host device with advanced features and functionality, such as Forward Error Correction (FEC), framing, and OAM&P directly on the pluggable optical transceiver. The advanced integrated can be implemented by the pluggable optical transceiver separate and independent from the host device.