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DC Field | Value | Language |
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dc.contributor.author | Hu, W | - |
dc.contributor.author | Dong, M | - |
dc.contributor.author | Luo, Q | - |
dc.contributor.author | Cai, Y | - |
dc.contributor.author | Wen, L | - |
dc.contributor.author | Feng, T-X | - |
dc.contributor.author | Jiang, W | - |
dc.contributor.author | Gao, S | - |
dc.date.accessioned | 2024-09-12T12:02:26Z | - |
dc.date.available | 2024-09-12T12:02:26Z | - |
dc.date.issued | 2022-08-22 | - |
dc.identifier | ORCiD: Wei Hu https://orcid.org/0000-0002-7077-1500 | - |
dc.identifier | ORCiD: Qi Luo https://orcid.org/0000-0001-9000-4133 | - |
dc.identifier | ORCiD: Yuanming Cai https://orcid.org/0000-0002-6525-8577 | - |
dc.identifier | ORCiD: Lehu Wen https://orcid.org/0000-0001-9757-1114 | - |
dc.identifier | ORCiD: Tian-Xi Feng https://orcid.org/0000-0003-0884-7970 | - |
dc.identifier | ORCiD: Steven Gao https://orcid.org/0000-0002-7402-9223 | - |
dc.identifier.citation | Hu, W. et al. (2022) 'Low-Cost Wide-Angle Beam-Scanning Transmitarray Antennas Using Lens-Loaded Patch Elements: A Proof-of-Concept Study', IEEE Antennas and Wireless Propagation Letters, 21 (12), pp. 2552 - 2556. doi: 10.1109/LAWP.2022.3201030. | en_US |
dc.identifier.issn | 1536-1225 | - |
dc.identifier.uri | https://bura.brunel.ac.uk/handle/2438/29719 | - |
dc.description.abstract | In this letter, a novel design concept to achieve a low-cost wide-angle beam-scanning transmitarray (TA) using lens-loaded patch (LLP) elements is presented. In this design, each TA element consists of a beam switchable transmitting element, a group of receiving elements, and a signal via. The received powers of a 2×2 subarray are first combined and then transmitted to the corresponding LLP element, where the phases of the transmitted signals are manipulated for beamforming. Compared with the conventional designs, the phase shifters (PSs) can be multiplexed and the number of PSs is effectively eliminated by 75%, which significantly decreases the hardware cost. By employing multiple patches as the feed of the lenses, reconfigurable radiation patterns are obtained, and by properly choosing the transmitting patches, the developed TA achieves a wide-angle two-dimensional beam scanning within ±60° with stable gains. To validate the design concept, passive prototypes with a center frequency of 12.5 GHz are simulated, fabricated, and tested. The measured results show that the aperture efficiency is 30.1%, 19.4%, and 14.1% for beams steered to 0°, 30°, and 60° at 12.5 GHz, respectively. The beam coverage of ±60° with a less than 3.5 dB scanning loss in the H-plane is obtained. | en_US |
dc.description.sponsorship | This work was supported in part by the National Natural Science Foundation of China under Grant No. 62071347 and No. 62001348, in part by the Fundamental Research Funds for the Central Universities under Grant XJS210201, in part by EPSRC under Grant EP/N032497/1 and EP/S005625/1, Royal Society IES\R2\212064. | en_US |
dc.format.extent | 2552 - 2556 | - |
dc.format.medium | Print-Electronic | - |
dc.language | English | - |
dc.language.iso | en_US | en_US |
dc.publisher | Institute of Electrical and Electronics Engineers (IEEE) | en_US |
dc.rights | Copyright © 2022 Institute of Electrical and Electronics Engineers (IEEE). Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. See: https://journals.ieeeauthorcenter.ieee.org/become-an-ieee-journal-author/publishing-ethics/guidelines-and-policies/post-publication-policies/ | - |
dc.rights.uri | https://journals.ieeeauthorcenter.ieee.org/become-an-ieee-journal-author/publishing-ethics/guidelines-and-policies/post-publication-policies/ | - |
dc.subject | lens | en_US |
dc.subject | low-cost | en_US |
dc.subject | transmitarray (TA) | en_US |
dc.subject | wide-angle beam scanning | en_US |
dc.subject | electrical and electronic engineering | en_US |
dc.title | Low-Cost Wide-Angle Beam-Scanning Transmitarray Antennas Using Lens-Loaded Patch Elements: A Proof-of-Concept Study | en_US |
dc.type | Article | en_US |
dc.date.dateAccepted | 2022-08-17 | - |
dc.identifier.doi | https://doi.org/10.1109/LAWP.2022.3201030 | - |
dc.relation.isPartOf | IEEE Antennas and Wireless Propagation Letters | - |
pubs.issue | 12 | - |
pubs.publication-status | Published | - |
pubs.volume | 21 | - |
dc.identifier.eissn | 1548-5757 | - |
dc.rights.holder | Institute of Electrical and Electronics Engineers (IEEE) | - |
Appears in Collections: | Dept of Electronic and Electrical Engineering Research Papers |
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