Wireless Event Notification System with Dynamic Frequency
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
IoT devices in wireless communication systems face inefficiencies in battery life preservation due to suboptimal wake-up frequencies and durations, leading to frequent energy consumption and reduced system performance, especially in security systems that require frequent communications.
Innovation Solution
A wireless event notification system with dynamically configurable frequencies, where IoT devices communicate at a higher frequency when disarmed and a lower frequency when armed, allowing for optimized sleep states and reduced energy consumption by buffering commands and suppressing unnecessary alerts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If IoT devices wake up frequently to monitor beacons for buffered packets, then packet delivery reliability is improved, but battery life is reduced
Solution Approach 1:
The system dynamically adjusts the wake-up frequency based on system state. When armed, devices wake up at a first frequency to ensure security monitoring reliability. When disarmed, devices switch to a second frequency that is a multiple of the first, reducing wake-up次数 and energy consumption while maintaining adequate packet delivery
2Reliability
If IoT devices extend awake periods to reduce packet dropout, then packet delivery reliability is improved, but energy consumption increases
Solution Approach 1:
The system implements periodic wake-up cycles with different frequencies based on operational mode. The controlled frequency transitions between armed and disarmed states create optimized periodic patterns that ensure packets are retrieved before timeout while minimizing unnecessary wake-ups
3Reliability
If security systems communicate frequently to maintain effectiveness, then system responsiveness is improved, but battery life is reduced
Solution Approach 1:
The communication frequency is dynamically adjusted based on security state. Armed devices communicate at higher frequency for security effectiveness, while disarmed devices reduce communication frequency to conserve battery life
Data Source
Figure 1
Figure 2
Figure 3
AI summary
An event notification system includes a control assembly and a wireless device. The wireless device is configured to communicate with the control assembly at dynamically configurable frequencies, and communicates with the control assembly at a first frequency when in a disabled status, and communicates with the control assembly at a second frequency when in an enabled status