Multi-Transmitter Power State Control for Wireless Links
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Solution Overview
Problem
Wireless devices with multiple transmitters face inefficiencies in power management due to complex transitions between active, low-power, and ultra-low power modes, often consuming more energy when moving back and forth between states without considering the status of other transmitters or connections.
Innovation Solution
A power transition scheme that utilizes connection status data from multiple transmitters, including wireless and non-wireless connections, to determine optimal power modes, minimizing unnecessary transitions and reducing energy consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If the wireless device transitions between active, low-power, and ultra-low power modes based on single transmitter status, then power consumption is reduced during inactivity, but unnecessary transitions occur when multiple transmitters have different connection statuses
Solution Approach 1:
The patent applies universality by making the power management system consider multiple transmitters simultaneously. Instead of managing each transmitter independently, the system evaluates the collective status of all transmitters (first and second transmitters) to determine power mode transitions. This multi-functional approach prevents unnecessary mode switching when one transmitter is inactive while another remains active, thereby reducing energy loss without proportionally increasing management complexity.
2Speed
If the wireless device enters low-power mode immediately upon disconnection from one transmitter, then responsiveness to that transmitter is improved, but the device may miss connections or data from other transmitters
Solution Approach 1:
The patent implements feedback by continuously monitoring the connection status of multiple transmitters before making power mode decisions. The system receives connection status data from both the first and second transmitters, evaluates this feedback information, and only transitions to low-power mode when all transmitters indicate disconnection. This feedback mechanism ensures that the device remains responsive to any active transmitter while reliably entering power-saving mode when appropriate, preventing missed connections or data.
3Loss of energy
If the wireless device monitors connection status from multiple transmitters before transitioning to low-power mode, then unnecessary transitions are reduced, but the complexity of determining optimal power modes increases
Solution Approach 1:
The patent applies preliminary action by having the wireless device proactively monitor and evaluate connection status data from multiple transmitters before initiating power mode transitions. The system performs this preliminary assessment continuously in the background, so when a transition is needed, it can be executed efficiently with minimal computational overhead. This preliminary monitoring reduces the need for complex real-time decision-making during actual mode transitions, thereby reducing energy consumption without proportionally increasing operational complexity.
Data Source
AI summary
A wireless communication device is configured to transition between power states to reduce power usage. The wireless communication device includes a power source, a first transmitter, a second transmitter, and control circuitry. The control circuitry is configured to transfer data wirelessly to a requesting client device via the first transmitter during a first power state, and in response to a disconnection of the client device from the first transmitter, determine if the client device is connected to the second transmitter. The control circuitry is further configured to, in response to determining that the client device is connected to the second transmitter, remain in the first power state, and, in response to determining that the client device is disconnected from the second transmitter, enter a second power state that utilizes less power than the first power state.