International Journal of Sensors, Wireless Communications and ControlInternational Journal of Sensors, Wireless Communications and ControlInternational Journal of Sensors, Wireless Communications and Control2210-32792210-3287Bentham Science64556110.2174/0122103279287156240218044819Computer and Information ScienceResearch ArticleSub-1 GHz RF-based Energy-efficient Sensor Node for Secure Communication in Low-power IoT and Embedded ApplicationsSultanIshfaqinfo@benthamscience.netBandayMohammadinfo@benthamscience.netDepartment of Electronics and Instrumentation Technology, University of Kashmir0104202414426527811012025Copyright ©; 2024, Bentham Science Publishers2024Bentham Science Publishershttps://journals.eco-vector.com/2210-3279/article/view/645561

Background:The Internet of Things (IoT) devices consist of a microcontroller unit for data processing, a low-power wireless radio module for data transmission, and various sensors for data collection. The sensor nodes and processing devices used in the Internet of Things are resource-constrained, with power consumption and security being the two most critical parameters.

Objective:This paper addresses the challenges of power consumption and security in IoT scenarios. It presents a low-power and secure heterogeneous multicore sensing architecture designed for low-power IoT and wireless sensor networks. The architecture comprises a sensing and control subsystem, an information processing unit, and a wireless communication module.

Methods:The architecture uses a microcontroller unit based on ARM Cortex M4, a low-power sub-1 GHz RF-compliant communication radio, and a few sensors. The proposed architecture has been implemented and tested using the Contiki Operating System.

Results:The implemented sensor node architecture demonstrated performance efficiency, lower energy consumption, and higher security.

Conclusion:By leveraging efficient power management, data transmission strategies, and cryptographic security, the architecture contributes to developing energy-efficient and secure IoT devices.

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