Design of Hybrid Ambient Energy Harvesting Antenna for Wireless Sensor Nodes

Abstract:

To the high maintenance cost for changing wireless sensor’s battery in Internet of Things (IoT), a hybrid ambient energy harvesting system for wireless sensor’s power supply is proposed. The system can collect the ambient RF energy, vibration energy and light energy, converts them into DC supply. This paper focuses on the analysis and design of the hybrid energy harvesting antenna, using a novel structure to combine three energy receivers in one antenna, which reduces the size and the cost effectively. The antenna operates at both 3G mobile frequency (1.9GHz) and 4G mobile frequency (2.6GHz), the measured input return loss is 24.3dB and 19.9dB, respectively.

• Periodical: Applied Mechanics and Materials (Volumes 687-691)
• Pages: 3387-3390
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.687-691.3387
• Online since: November 2014
• Authors: Lei Jun Xu*, Chang Shuo Wang, Bai Xue
• Keywords: Antenna, Energy Harvesting, Internet of Things (IOT), Wireless Sensor

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