Adaptive Optical Transceiver Signal Rate Control
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Solution Overview
Problem
Fixed rate fiber optic transceivers are limited in optimizing data transmission rates over fiber optic communication networks, often operating below or above the link's capabilities, leading to suboptimal data transfer and potential errors.
Innovation Solution
A dynamically adaptive optical signal communication system that includes a receive optical subassembly with an opto-electronic transducer, evaluation circuitry to assess signal properties, comparison logic to adjust transmission characteristics based on threshold values, and control circuitry to optimize transmission rates, encoding, and compensation for signal deterioration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If fixed rate fiber optic transceivers are used, then device simplicity is maintained, but transmission rate optimization is limited
Solution Approach 1:
The transceiver dynamically adjusts its transmission rate based on real-time evaluation of incoming signal properties. The system transitions from a static fixed rate operation to a dynamic adaptive operation where the transmission rate can be modified during operation to optimize data transfer while maintaining device simplicity through automated control algorithms.
2Productivity
If transmission rate is increased beyond link capabilities, then productivity improves, but signal integrity deteriorates
Solution Approach 1:
The system continuously monitors properties of incoming optical signals and uses this feedback information to adjust the transmission rate. By evaluating signal quality metrics in real-time and comparing them against threshold values, the transceiver can dynamically modify its operating rate to maintain signal integrity while maximizing productivity, preventing errors that would occur at excessively high rates.
Solution Approach 2:
The transceiver changes its transmission rate parameter based on evaluated signal properties. By adjusting this key operating parameter dynamically rather than using a fixed rate, the system can optimize the balance between productivity and reliability, selecting the appropriate transmission rate that matches current link conditions.
3Reliability
If transmission rate is decreased below link capabilities, then signal integrity is maintained, but productivity is reduced
Solution Approach 1:
Rather than operating at a conservatively low fixed rate, the system dynamically adjusts the transmission rate to match actual link capabilities. This allows the transceiver to maximize productivity by utilizing the full capacity of the link when conditions permit, while maintaining signal integrity through real-time adaptation rather than permanent reduction.
4Adaptability or versatility
If dynamic adaptation is implemented, then transmission optimization is improved, but device complexity increases
Solution Approach 1:
The transceiver performs self-adjustment by automatically evaluating incoming signal properties and modifying its own transmission rate without external intervention. This self-service capability provides dynamic adaptability while minimizing the need for complex external control systems, as the device manages its own optimization internally through automated algorithms.
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
Enables dynamic control of optical signal transmission to maximize data transfer rates while ensuring integrity, adapting to changing network conditions and optimizing data transfer efficiency.
Implementation Method 1
a receive optical subassembly including an opto-electronic transducer to receive an incoming optical signal from an incoming optical transmission link
Implementation Method 2
a transmit optical subassembly including an electro-optical transducer to transmit an outgoing optical signal to an outgoing optical transmission link
Data Source
AI summary
Adaptive transmission of optical signals. A dynamically adaptive optical receiver can include a receive optical subassembly (ROSA). The ROSA can include an opto-electronic transducer configured to receive an incoming optical signal from an incoming optical transmission link, circuitry for evaluating one or more properties related to the incoming optical signal, logic for comparing the one or more properties of the incoming optical signal to stored information representing threshold values, and circuitry for controlling a transmission characteristic of an outgoing optical signal based on a result of the comparison.