WIDEBAND TAPERED MONOPOLE ANTENNA WITH 2 BY 2 RESONANT LOOP ARRAY FOR ELECTROMAGNETIC ENERGY HARVESTING AND MICROWAVE POWER TRANSMISSION
- Authors
- Lee, Chang-Hyun; Park, Jae-Hyun; Lee, Jeong-Hae
- Issue Date
- Apr-2017
- Publisher
- WILEY
- Keywords
- resonant loop antenna; ultra-wideband (UWB) antenna; electromagnetic energy harvesting; microwave power transfer (MPT); duplexing network
- Citation
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS, v.59, no.4, pp.797 - 802
- Journal Title
- MICROWAVE AND OPTICAL TECHNOLOGY LETTERS
- Volume
- 59
- Number
- 4
- Start Page
- 797
- End Page
- 802
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/5937
- DOI
- 10.1002/mop.30387
- ISSN
- 0895-2477
- Abstract
- This letter presents the development of a hybrid antenna for electromagnetic energy harvesting and microwave power transmission (MPT). The antenna was designed by mounting a 2 x 2 array resonant loop antennas on a wideband tapered monopole antenna with an etched hole and a patch on the other side. The induced loop resonances on the edges of the patch provide improved impedance matching in the harvesting band. In particular, the 2 x 2 array is mounted without increasing the size of harvesting antenna by using the ground space of it. In order to combine the harvesting and MPT antennas without affecting each other, a duplexing network, which consists of a band stop stub and a high pass filter, is employed. The harvesting antenna has wide 6 dB bandwidth of 0.62-1.3 GHz and 1.58-3.62 GHz. The radiation efficiency of 77-99% was measured in the whole harvesting band. In addition, a 2 x 2 array has a peak gain of 10.18 dBi and radiation efficiency of 89% at 5.8 GHz and operates as a MPT receiving antenna. (c) 2017 Wiley Periodicals, Inc.
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