a novel wideband circularly polarized antenna for rf energy harvesting in wireless sensor nodes
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ID: 179377
2018
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Abstract
A novel wideband circularly polarized antenna array using sequential rotation feeding network is presented in this paper. The proposed antenna array has a relative bandwidth of 38.7% at frequencies from 5.05 GHz to 7.45 GHz with a highest gain of 12 dBi at 6 GHz. A corresponding left-handed metamaterial is designed in order to increase antenna gain without significantly affecting its polarization characteristics. The wideband circularly polarized antenna with 2.4 GHz of bandwidth is a promising solution for wireless communication system such as tracking or wireless energy harvesting from Wi-Fi signal based on IEEE 802.11ac standard or future 5G cellular. A potential application of this antenna as a receiving antenna for RF-DC device to obtain DC power for a wireless sensor node from Wi-Fi signal is shown.
| Reference Key |
nguyen2018internationala
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|---|---|
| Authors | ;Nhu Huan Nguyen;Thi Duyen Bui;Anh Dung Le;Anh Duc Pham;Thanh Tung Nguyen;Quoc Cuong Nguyen;Minh Thuy Le |
| Journal | american journal of physiology endocrinology and metabolism |
| Year | 2018 |
| DOI |
10.1155/2018/1692018
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| URL | |
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