IoT Connection Management for Network Overload and Power Reduction
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Solution Overview
Problem
IoT devices face challenges in reducing power consumption and network access requests, leading to potential network overload and battery life issues due to high-energy processing states and limited network resources.
Innovation Solution
Optimized reporting schedules for IoT devices are implemented based on neighboring device configurations, utilizing power-saving modes like PSM and eDRX, and network connectivity management to reduce the number of network access requests while maintaining reporting requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If IoT devices frequently access the network to report data, then reporting requirements are met, but power consumption increases and battery life decreases
Solution Approach 1:
The patent implements periodic reporting schedules where IoT devices transmit data at predetermined intervals rather than continuously. The network device coordinates these periodic reports from multiple devices to ensure reporting requirements are met while minimizing unnecessary transmissions that would consume battery power.
Solution Approach 2:
The network device receives reporting requirements from the server and uses this feedback to optimize the reporting schedules for IoT devices. By monitoring network conditions and device status, the system dynamically adjusts reporting frequencies to maintain reliability while reducing power consumption.
2Speed
If multiple IoT devices access the network simultaneously, then data reporting is timely, but network overload occurs
Solution Approach 1:
The system implements coordinated periodic reporting where the network device schedules multiple IoT devices to transmit data at different time intervals. This staggering of transmissions ensures timely data reporting while preventing network overload by distributing the traffic load across different time slots.
Solution Approach 2:
The network device pre-coordinates reporting schedules with multiple IoT devices before data transmission begins. By establishing predetermined reporting times in advance, the system prevents simultaneous network access attempts that would cause overload, while ensuring devices are ready to report promptly when their scheduled time arrives.
3Reliability
If IoT devices use high-energy processing states to maintain connectivity, then network responsiveness is improved, but battery life is reduced
Solution Approach 1:
The patent employs periodic connectivity maintenance where IoT devices transition to low-power states between scheduled reporting intervals. The network device wakes devices at predetermined times for brief high-energy processing states to transmit data, then allows them to return to sleep mode, maintaining network responsiveness while extending battery life.
Solution Approach 2:
The system maintains continuous network coverage and responsiveness by coordinating periodic wake-up schedules across multiple devices. While individual devices spend most time in low-power states, the network remains responsive overall because devices are systematically activated to maintain connectivity and report data at appropriate intervals.
Data Source
AI summary
A network device identifies Internet of Things (IoT) devices in a wireless network in a service area; determines a reporting configuration for each of the IoT devices associated with an initiation of reporting instances via the wireless; identifies, based on the reporting configurations, a potential signal loading reduction over the wireless network and/or a potential power consumption reduction related to the reporting configuration associated with at least one of the IoT devices; and modifies the reporting configuration of the at least one IoT device to enable the potential signal loading reduction and/or the potential power consumption reduction.