Intelligent Optical Transceiver Local Management
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Solution Overview
Problem
The complexity of service providers' networks, driven by increasing demand for VoIP and IPTV services, leads to operational and inventory challenges due to diverse technology solutions and equipment at customer premises, necessitating enhanced system and management functions to simplify operational complexity in access networks.
Innovation Solution
An integrated optical transceiver with an optical subassembly, data processing unit, management unit, and control path interface that performs system-layer functions such as media access control, Ethernet/ATM switching, and forward error correction, allowing local management and communication without host device involvement, and is compatible with standards like GBIC, SFP, and I2C.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If service providers build complex optical access networks with multiple technology solutions and equipment to meet growing VoIP and IPTV demands, then network capacity and service diversity are improved, but operational complexity and inventory management challenges increase
Solution Approach 1:
The optical transceiver is designed to perform multiple functions including optical signal conversion, system-layer processing (MAC, Ethernet/ATM switching, FEC, OAM), and self-management capabilities. This multi-functional integration allows a single device to replace what would traditionally require multiple separate components, thereby maintaining service diversity while reducing operational complexity.
Solution Approach 2:
The transceiver includes an integrated management unit that enables autonomous monitoring, diagnostics, and configuration without requiring external host device intervention for system-layer functions. This self-service capability reduces the burden on network operators and simplifies inventory management while supporting diverse service requirements.
2Device complexity
If traditional optical transceivers rely on host devices for system-layer management functions, then device simplicity is maintained, but network operational efficiency and management capability deteriorate
Solution Approach 1:
The patent merges the management unit directly into the optical transceiver, combining previously separate functions (optical conversion, data processing, and system management) into a single integrated device. This allows the transceiver to independently perform MAC control, Ethernet/ATM switching, forward error correction, and OAM message processing, thereby improving network management efficiency without significantly increasing transceiver complexity.
Solution Approach 2:
The integrated management unit acts as an intermediary between the optical subassembly and the host device, handling system-layer management functions locally. This mediator approach enables efficient autonomous operation while maintaining compatibility with existing host device interfaces, thus improving productivity without compromising transceiver simplicity.
3Extent of automation
If optical transceivers integrate system-layer functions locally without host device involvement, then management capability and operational autonomy are improved, but device complexity increases
Solution Approach 1:
The transceiver is segmented into distinct functional modules: an optical subassembly for optical-electrical conversion, a data processing unit for system-layer functions, and a management unit for autonomous control. This segmentation allows each component to be optimized independently while working together as an integrated system, thereby achieving high automation without excessive overall complexity.
Solution Approach 2:
The management unit is nested within the transceiver structure, with the data processing unit nested within the same housing. This nested architecture allows the management functions to be embedded within the existing transceiver form factor, achieving autonomous management capability while minimizing the increase in device complexity and maintaining compact design.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution simplifies optical network communications by enabling intelligent local system layer management within the transceiver, reducing interoperability requirements between host devices and network equipment, and providing additional management capabilities while maintaining standard communications protocols.
Implementation Method 1
an optical subassembly that can produce a first electrical signal in response to a first optical signal and to emit a second optical signal in response to a second electrical signal
Data Source
AI summary
An integrated optical transceiver includes an optical subassembly that produces a first electrical signal in response to a first optical signal comprising reception signal data and to emit a second optical signal comprising transmission signal data in response to a second electrical signal. A data processing unit can extract the reception signal data from the first electrical signal and produce the second electrical signal in response to a third electrical signal comprising the transmission signal data. The data processing unit can perform system-layer functions. A data path interface can send the reception data to a host device and receive the third electrical signal comprising the transmission data from the host device. A management unit can control the data processing unit to perform the system-layer functions. A control path interface communicates with the management unit and the host device.