IVD Line Card Power Control Circuit for Static Power Reduction
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Solution Overview
Problem
Current technologies focus on saving power consumption when xDSL lines are active, but fail to address the high static power consumption when they are inactive, particularly in Integrated Voice Data (IVD) networking modes, leading to increased operational costs for operators.
Innovation Solution
A communication device and method that incorporates a power control circuit to cut off power supply to service units based on control signals, reducing static power consumption by selectively powering down wideband and narrowband circuit modules in IVD line cards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If IVD networking mode is employed to reduce networking complexity and maintenance cost, then device complexity is reduced, but power consumption increases significantly
Solution Approach 1:
The power control circuit divides the IVD line card into separatable functional units (wideband service units and narrowband service units) with independent power control. This segmentation allows selective powering down of unused service units, resolving the contradiction by enabling granular power management that reduces overall power consumption while maintaining the integrated networking structure.
Solution Approach 2:
The invention changes the power supply state parameter of service units dynamically based on utilization status. By transitioning service units between powered-on and powered-off states according to actual traffic demands, the system reduces power consumption during low utilization periods while maintaining full functionality when needed, thus resolving the power consumption increase issue.
2Reliability
If all service units remain powered on to maintain service availability, then reliability is improved, but static power consumption increases
Solution Approach 1:
The power control circuit implements dynamic power management by continuously monitoring service unit utilization status and adjusting power supply accordingly. Service units are powered on when needed and powered off when idle, creating a dynamic system that adapts to changing demands. This resolves the contradiction by ensuring service availability is maintained through rapid activation of standby units while minimizing static power consumption through selective powering down.
Solution Approach 2:
The system monitors its own service unit utilization status and automatically triggers power control actions without external intervention. When a service unit becomes idle or is no longer needed, the power control circuit automatically cuts off its power supply. This self-service mechanism ensures reliability is maintained while minimizing static power consumption.
3Loss of energy
If power is cut off to reduce static power consumption, then energy efficiency is improved, but service response time may increase
Solution Approach 1:
The system maintains service units in a powered-off state during idle periods and prepares to activate them when needed. By having the power control circuit ready to quickly restore power to service units based on predetermined conditions, the system minimizes energy consumption during low utilization while ensuring rapid service restoration when demands arise, thus resolving the time-loss concern.
Data Source
AI summary
A communication device and a method for saving static power consumption of communication device are disclosed. The communication device mainly includes a plurality of service units; and a power control circuit, cutting off power supply of at least one service unit of the plurality of service units according to a control signal. The method mainly includes: receiving a control signal; cutting off power supply of at least one service unit in the communication device according to the control signal. According to the scheme, power supply of at least one service unit of the communication device may be cut off according to application requirements, to save the static power of the device, and reduce the static power consumption of the wideband parts of Integrated Voice Data (IVD) line card.