Please use this identifier to cite or link to this item:
https://doi.org/10.1109/ACCESS.2020.3002224
DC Field | Value | |
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dc.title | Improvement of Radiation Efficiency for Frequency Beam-Scanning Antennas Using a Subarray Topology | |
dc.contributor.author | Chu, H. | |
dc.contributor.author | Zhu, X.-H. | |
dc.contributor.author | Hong, H. | |
dc.contributor.author | Guo, Y.-X. | |
dc.date.accessioned | 2021-08-18T08:53:57Z | |
dc.date.available | 2021-08-18T08:53:57Z | |
dc.date.issued | 2020 | |
dc.identifier.citation | Chu, H., Zhu, X.-H., Hong, H., Guo, Y.-X. (2020). Improvement of Radiation Efficiency for Frequency Beam-Scanning Antennas Using a Subarray Topology. IEEE Access 8 : 109429-109439. ScholarBank@NUS Repository. https://doi.org/10.1109/ACCESS.2020.3002224 | |
dc.identifier.issn | 21693536 | |
dc.identifier.uri | https://scholarbank.nus.edu.sg/handle/10635/197804 | |
dc.description.abstract | In this paper, a new approach is proposed to improve the radiation efficiency of a frequency beam-scanning antenna. In this proposed approach, the entire antenna is divided into two subarrays and each subarray includes one primary slow-wave line. Parameters of these two primary slow-wave lines are identical to each other, to achieve identical progressive phase difference between elements within either subarray. Meanwhile, a secondary slow-wave line is designed and connected to the beginning of one of the two primary slow-wave lines, to introduce an additional phase difference between these two subarrays. The above setup provides more flexibility for the allocation of phase-delay units and thus enables a possibility to reduce the overall length and transmission loss of the slow-wave line utilized in a frequency beam-scanning array, which leads to a better radiation efficiency. In order to demonstrate the above topology, a novel microstrip-to-stripline power-divider and a novel broadband magneto-electric dipole element are proposed in multilayer configurations, for the realization of a 20-element prototype centered at 8.75 GHz. A reduction of 29.2% is achieved for the overall loss compared to a conventional array when achieving a scanning range of ±30°. © 2013 IEEE. | |
dc.publisher | Institute of Electrical and Electronics Engineers Inc. | |
dc.source | Scopus OA2020 | |
dc.subject | Frequency beam-scanning | |
dc.subject | magneto-electric-dipole | |
dc.subject | microstrip-to-stripline | |
dc.subject | radiation efficiency | |
dc.subject | subarray topology | |
dc.type | Article | |
dc.contributor.department | ELECTRICAL AND COMPUTER ENGINEERING | |
dc.description.doi | 10.1109/ACCESS.2020.3002224 | |
dc.description.sourcetitle | IEEE Access | |
dc.description.volume | 8 | |
dc.description.page | 109429-109439 | |
Appears in Collections: | Staff Publications Elements |
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