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Spectrum Based Power Management for Congested IoT Networks
Kedir Mamo Besher1, Juan Ivan Nieto-Hipolito2, Raymundo Buenrostro-Mariscal3
1Erik Jonsson School of Engineering & Computer Science, The University of Texas at Dallas, Richardson, TX 75080, USA.
Sensors (Basel, Switzerland)
|April 30, 2021
Summary
This study introduces a spectrum-based power management solution for congested Internet of Things (IoT) networks. It enhances IoT device battery life by at least 30% through efficient channel selection and power utilization.
Area of Science:
- Computer Science
- Electrical Engineering
- Network Engineering
Background:
- Internet of Things (IoT) networks face increasing congestion, leading to higher power consumption in devices.
- Existing IoT devices lack effective spectrum-based power management, risking battery life and data integrity.
- Data retransmissions and poor channel management in congested networks significantly increase IoT device power usage.
Purpose of the Study:
- To investigate power consumption issues in congested IoT networks, specifically focusing on data retransmissions and channel management.
- To propose and evaluate a novel spectrum-based power management solution for enhancing IoT device battery life and network performance.
- To quantify the power savings and improvements in battery life achieved by the proposed solution compared to standard methods.
Main Methods:
- Developed a spectrum-based power management system utilizing a Freescale Freedom Development Board (FREDEVPLA) for channel condition scanning and allocation.
- Configured MAC and Physical layers of IoT devices to optimize power utilization in various network states (idle, connected, paging, synchronization).
- Modeled and tested the system using freescale launchpads, comparing performance against the basic IoT standard (IEEE802.15.4).
Main Results:
- IoT devices employing the proposed spectrum-based power management demonstrated a battery life increase of at least 30% compared to non-spectrum-based methods.
- The system effectively managed channel conditions, utilizing the least congested channels for IoT packet routing.
- Significant improvements were observed in overall IoT network performance, memory savings, and a reduction in data packet loss.
Conclusions:
- The proposed spectrum-based power management significantly enhances IoT device battery life and network efficiency in congested environments.
- The solution offers a practical approach to power management, outperforming the basic IoT standard (IEEE802.15.4).
- Further research into channel scanning by the FREDEVPLA board presents promising avenues for future IoT network optimization.
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