Opto-VLSI-based broadband true-time delay generation for phased array beamforming
Electronically controlled phased-array antennas can adaptively scan radiated beams in three-dimensional space without mechanically moving parts. While most of the research on phased-array antennas has been focusing on broadband beam steering less attention has been devoted to null steering. Broadban...
| Main Authors: | , , |
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| Format: | Conference Paper |
| Published: |
2009
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| Online Access: | http://hdl.handle.net/20.500.11937/46604 |
| _version_ | 1848757605426528256 |
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| author | Juswardy, Budi Xiao, F. Alameh, K. |
| author_facet | Juswardy, Budi Xiao, F. Alameh, K. |
| author_sort | Juswardy, Budi |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Electronically controlled phased-array antennas can adaptively scan radiated beams in three-dimensional space without mechanically moving parts. While most of the research on phased-array antennas has been focusing on broadband beam steering less attention has been devoted to null steering. Broadband null steering requires a beamformer that can generate variable and frequency independent true time-delays (TTD). In this paper we propose and demonstrate the concept of an Opto-VLSI-based tunable true-time delay generation unit for adaptive null steering in phased array antennas, where arbitrary single or multiple true-time delays can simultaneously be synthesized. Simulated azimuth gain patterns for a 4- element antenna arrays is presented, and experimental results are shown, which demonstrate the principle of the proposed true-time delay unit. © 2009 Copyright SPIE - The International Society for Optical Engineering. |
| first_indexed | 2025-11-14T09:30:45Z |
| format | Conference Paper |
| id | curtin-20.500.11937-46604 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T09:30:45Z |
| publishDate | 2009 |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-466042018-03-29T09:07:22Z Opto-VLSI-based broadband true-time delay generation for phased array beamforming Juswardy, Budi Xiao, F. Alameh, K. Electronically controlled phased-array antennas can adaptively scan radiated beams in three-dimensional space without mechanically moving parts. While most of the research on phased-array antennas has been focusing on broadband beam steering less attention has been devoted to null steering. Broadband null steering requires a beamformer that can generate variable and frequency independent true time-delays (TTD). In this paper we propose and demonstrate the concept of an Opto-VLSI-based tunable true-time delay generation unit for adaptive null steering in phased array antennas, where arbitrary single or multiple true-time delays can simultaneously be synthesized. Simulated azimuth gain patterns for a 4- element antenna arrays is presented, and experimental results are shown, which demonstrate the principle of the proposed true-time delay unit. © 2009 Copyright SPIE - The International Society for Optical Engineering. 2009 Conference Paper http://hdl.handle.net/20.500.11937/46604 10.1117/12.843475 restricted |
| spellingShingle | Juswardy, Budi Xiao, F. Alameh, K. Opto-VLSI-based broadband true-time delay generation for phased array beamforming |
| title | Opto-VLSI-based broadband true-time delay generation for phased array beamforming |
| title_full | Opto-VLSI-based broadband true-time delay generation for phased array beamforming |
| title_fullStr | Opto-VLSI-based broadband true-time delay generation for phased array beamforming |
| title_full_unstemmed | Opto-VLSI-based broadband true-time delay generation for phased array beamforming |
| title_short | Opto-VLSI-based broadband true-time delay generation for phased array beamforming |
| title_sort | opto-vlsi-based broadband true-time delay generation for phased array beamforming |
| url | http://hdl.handle.net/20.500.11937/46604 |