Generation of OAM Radio Waves Using Circular Vivaldi Antenna Array
This paper gives a feasible and simple solution of generating OAM-carrying radio beams. Eight Vivaldi antenna elements connect sequentially and fold into a hollow cylinder. The circular Vivaldi antenna array is fed with unit amplitude but with a successive phase difference from element to element. B...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Wiley
2013-01-01
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| Series: | International Journal of Antennas and Propagation |
| Online Access: | http://dx.doi.org/10.1155/2013/847859 |
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| _version_ | 1832565365004042240 |
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| author | Changjiang Deng Wenhua Chen Zhijun Zhang Yue Li Zhenghe Feng |
| author_facet | Changjiang Deng Wenhua Chen Zhijun Zhang Yue Li Zhenghe Feng |
| author_sort | Changjiang Deng |
| collection | DOAJ |
| description | This paper gives a feasible and simple solution of generating OAM-carrying radio beams. Eight Vivaldi antenna elements connect sequentially and fold into a hollow cylinder. The circular Vivaldi antenna array is fed with unit amplitude but with a successive phase difference from element to element. By changing the phase difference at the steps of 0, ±45°, ±90°, ±135°, and 180°, the OAM radio beam can be generated with mode numbers 0, ±1, ±2, ±3, and 4. Simulations show that the OAM states of ±2 and ±3 are the same as the traditional states, while the OAM states of 0, ±1, and 4 differ at the boresight. This phenomenon can be explained by the radiation pattern difference between Vivaldi antenna and tripole antenna. A solution of distinguishing OAM states is also proposed. The mode number of OAM can be distinguished with only 2 receivers. |
| format | Article |
| id | doaj-art-301827c782a34863a84830d8144a166f |
| institution | Kabale University |
| issn | 1687-5869 1687-5877 |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Antennas and Propagation |
| spelling | doaj-art-301827c782a34863a84830d8144a166f2025-02-03T01:07:50ZengWileyInternational Journal of Antennas and Propagation1687-58691687-58772013-01-01201310.1155/2013/847859847859Generation of OAM Radio Waves Using Circular Vivaldi Antenna ArrayChangjiang Deng0Wenhua Chen1Zhijun Zhang2Yue Li3Zhenghe Feng4State Key Laboratory of Microwave and Digital Communication, Tsinghua University, Beijing 100084, ChinaState Key Laboratory of Microwave and Digital Communication, Tsinghua University, Beijing 100084, ChinaState Key Laboratory of Microwave and Digital Communication, Tsinghua University, Beijing 100084, ChinaState Key Laboratory of Microwave and Digital Communication, Tsinghua University, Beijing 100084, ChinaState Key Laboratory of Microwave and Digital Communication, Tsinghua University, Beijing 100084, ChinaThis paper gives a feasible and simple solution of generating OAM-carrying radio beams. Eight Vivaldi antenna elements connect sequentially and fold into a hollow cylinder. The circular Vivaldi antenna array is fed with unit amplitude but with a successive phase difference from element to element. By changing the phase difference at the steps of 0, ±45°, ±90°, ±135°, and 180°, the OAM radio beam can be generated with mode numbers 0, ±1, ±2, ±3, and 4. Simulations show that the OAM states of ±2 and ±3 are the same as the traditional states, while the OAM states of 0, ±1, and 4 differ at the boresight. This phenomenon can be explained by the radiation pattern difference between Vivaldi antenna and tripole antenna. A solution of distinguishing OAM states is also proposed. The mode number of OAM can be distinguished with only 2 receivers.http://dx.doi.org/10.1155/2013/847859 |
| spellingShingle | Changjiang Deng Wenhua Chen Zhijun Zhang Yue Li Zhenghe Feng Generation of OAM Radio Waves Using Circular Vivaldi Antenna Array International Journal of Antennas and Propagation |
| title | Generation of OAM Radio Waves Using Circular Vivaldi Antenna Array |
| title_full | Generation of OAM Radio Waves Using Circular Vivaldi Antenna Array |
| title_fullStr | Generation of OAM Radio Waves Using Circular Vivaldi Antenna Array |
| title_full_unstemmed | Generation of OAM Radio Waves Using Circular Vivaldi Antenna Array |
| title_short | Generation of OAM Radio Waves Using Circular Vivaldi Antenna Array |
| title_sort | generation of oam radio waves using circular vivaldi antenna array |
| url | http://dx.doi.org/10.1155/2013/847859 |
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