Optical Transceiver DSP Deactivation for Idle Power Saving
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Optical communications systems consume significant power even during periods of low or no traffic due to the operation of digital signal processing modules, despite stability constraints preventing channel shutdown.
Innovation Solution
Implement a low-power mode in optical transceivers by deactivating non-essential functions in the receiver and transmitter, using a protocol to transition to and from this mode based on traffic conditions, and maintaining constant transmission properties to avoid affecting other channels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If digital signal processing modules remain active to maintain link stability, then reliability is improved, but power consumption increases
Solution Approach 1:
The patent implements dynamic power management by transitioning the optical transceiver between active and low-power states based on traffic conditions. The system actively monitors link status and adjusts DSP module operation accordingly, enabling the transceiver to adapt its power consumption to actual operational needs while maintaining link stability through controlled state transitions.
Solution Approach 2:
The patent employs periodic ping signals to monitor link status during low-power mode. These periodic probes allow the system to detect active traffic and trigger transitions back to full operational mode, enabling the transceiver to remain in low-power state for extended periods while still responding to traffic requirements.
2Use of energy by moving object
If transceiver transitions to low-power mode to reduce energy consumption, then power saving is improved, but response time to resume normal operation increases
Solution Approach 1:
The patent performs preliminary actions by maintaining minimal monitoring capabilities even in low-power mode. The system periodically checks for traffic using ping signals and maintains the ability to quickly transition back to active state, reducing the effective response time compared to a complete power-down scenario.
Solution Approach 2:
The patent implements feedback mechanisms through periodic ping signals that monitor link status. When traffic is detected or link activity is observed, the system receives feedback and automatically transitions from low-power mode to full operational mode, ensuring minimal response time to actual traffic demands.
3Use of energy by moving object
If DSP functions are deactivated during idle mode, then power consumption is reduced, but signal processing capability deteriorates
Solution Approach 1:
The patent dynamically adjusts DSP function operation based on traffic conditions. Essential functions are deactivated during low-power mode to reduce power consumption, while the system maintains the capability to quickly reactivate and restore full signal processing capability when traffic is detected, thus balancing power savings with processing capability.
Solution Approach 2:
The patent segments DSP functions into essential and non-essential categories for different operational modes. During low-power mode, non-essential signal processing functions are deactivated while maintaining minimal operational capability. When traffic is detected, the system selectively reactivates appropriate processing functions, optimizing the balance between power consumption and processing capability.
Data Source
AI summary
In part, the disclosure relates to a method for power saving in optical transceivers during idle activity. The method may include receiving, by a first receiver a request to initiate idle mode; identifying, based on the request to initiate the idle mode, a frequency of ping times during the idle mode; initiating the idle mode and deactivating one or more functions of the digital signal processor; receiving, by the first receiver, from the first transmitter, a plurality of ping signals on a plurality of respective ping times; and terminating, responsive to a ping signal comprising a request to end idle mode, the idle mode by activating the one or more functions of the digital signal processor.