Wireless Device Wake-Up Interval Adaptation
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Solution Overview
Problem
Wireless devices from different manufacturers often have compatibility issues due to non-standardized wake-up intervals, leading to increased power consumption and reduced performance as the master device continues to wake up frequently, even when the slave device is in a subrating state without notifying the master.
Innovation Solution
A wireless communication method where the first device adjusts its wake-up interval based on the time interval between consecutive data packets or the number of empty packets transmitted/received, allowing it to synchronize with the slave device's packet transmission interval, thereby reducing power consumption and improving compatibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the master device wakes up frequently to transmit packets to ensure communication compatibility, then device compatibility is improved, but power consumption increases
Solution Approach 1:
The wake-up interval is made dynamic rather than fixed. The master device initially uses a first wake-up interval to ensure compatibility, then dynamically switches to a second (longer) wake-up interval after detecting the slave device is in subrating state through empty packet transmission, reducing power consumption while maintaining compatibility capability when needed
Solution Approach 2:
The patent changes the wake-up interval parameter from a static value to an adaptive value that changes based on communication state. By detecting empty packets and determining the slave device is in subrating state, the master device changes its wake-up interval parameter to reduce power consumption while still maintaining the ability to switch back if needed
2Use of energy by moving object
If the master device increases the wake-up interval to reduce power consumption, then power consumption is reduced, but compatibility with slave devices is worsened
Solution Approach 1:
The master device performs preliminary actions by transmitting empty packets before increasing the wake-up interval. This preliminary action allows the slave device to enter subrating state and prepares the communication channel, ensuring that when the wake-up interval is increased, compatibility is maintained because the slave device is already synchronized to the new interval
Solution Approach 2:
The master device uses feedback from detecting empty packets to determine when to increase the wake-up interval. The feedback mechanism monitors the communication state and triggers wake-up interval adjustment only when appropriate, ensuring compatibility is maintained while reducing power consumption
Data Source
AI summary
The present invention provides a wireless communication method, a communication device, and a device having a storage function. The wireless communication method in the embodiment of the present invention comprises: a first device waking up with a predetermined wake-up interval, and receiving data packets from a second device; determining a time interval between two consecutive data packets received; determining whether the time interval is higher than the wake-up interval of the first device; and if the time interval is higher than the wake-up interval, the first device increasing the wake-up interval. In this way, the present invention can reduce the communication power consumption of the wireless device.