Adaptive Sleep Mode Adjustment for IoT Beacon Response Latency
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Solution Overview
Problem
IoT devices and home appliances face challenges in balancing quick communication responses with low power consumption, as frequent wake-ups for checking Beacon signals increase power consumption, while infrequent wake-ups may result in delayed detection of pending communication requests.
Innovation Solution
The system adaptively adjusts sleep modes based on a sleep mode changing trigger, allowing the device to operate in a deep sleep mode for routine operation and switch to a lighter sleep mode with shorter wake-up intervals to quickly detect communication requests.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If the device wakes up frequently to check for Beacon signals, then the response time to communication requests is reduced, but the power consumption increases
Solution Approach 1:
The device dynamically adjusts its wake-up frequency based on operational context. It switches between different sleep modes (deep sleep with longer intervals and light sleep with shorter intervals) to optimize the balance between response time and power consumption, rather than using a fixed wake-up schedule
Solution Approach 2:
The system changes the wake-up interval parameter adaptively. When in deep sleep mode, it uses a first periodic interval, and when switching to light sleep mode, it uses a second periodic interval that is shorter, allowing parameter optimization based on current operational needs
2Use of energy by moving object
If the device wakes up less frequently to save power, then the power consumption is reduced, but the detection of pending communication requests is delayed
Solution Approach 1:
The device employs dynamic sleep mode adjustment where it can switch from deep sleep mode with longer wake-up intervals to light sleep mode with shorter wake-up intervals when a sleep mode changing trigger is received, thereby reducing detection delay while managing power consumption
Solution Approach 2:
The system uses feedback from sleep mode changing triggers (such as motion detection or user interaction) to adjust wake-up frequency. When triggers indicate potential communication needs, the device switches to light sleep mode to reduce detection delay
Data Source
AI summary
The present disclosure addresses a system and a method for adaptively adjusting sleep modes of a first device such that the first device can have a quick communication response with a low energy consumption. The method includes operating in a first sleep mode, checking for Beacon signals broadcasted by a second device at a first periodic interval, receiving a sleep mode changing trigger from a third device, changing from the first sleep mode to a second sleep mode, continuing to check for the Beacon signals broadcasted by the second device at a second periodic interval shorter than the first periodic interval, detecting that there is a communication request in the Beacon signals while operating in the second sleep mode, and establishing a communication session with a user device based on the communication request.