volume | PIER Journals

Abstract

In this paper, a new UWB antenna for the Internet of Things (IoT) based on a left-handed structure is designed. The antenna utilizes a microstrip feeder and consists of a new complementary split ring resonator (CSRR) equipped with a three-stage double rectangular electromagnetic resonator (RER) to form the main radiator with left-handed characteristics. It also includes a double L-shaped parasitic patch and a slotted ground. The dimensions of the antenna are 0.42×0.42×0.013λ₀³. It covers the frequency band of 1.70-3.34 GHz (65.1%), which includes the communication frequency bands used by IoT antennas. The antenna exhibits good directional patterns within this frequency band. The measured peak gain is 5.49 dBi, making it suitable for applications in Wi-Fi, Bluetooth, Zigbee technology, and other fields.

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Dr. Jincheng Xue

Dr. Ao Ni

Dr. Lanzheng Liu

Professor Zhuopeng Wang

Professor Xia Wang