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Abstract
Antenna arrays capable of transmitting multiple beams simultaneously are a recent innovation which offers increased functionality and performance over conventional array systems. We present a simple and useful figure of merit (FoM) to evaluate the performance of simultaneous-multi-beam (SMB) transmit (TX) antenna arrays. The FoM builds upon the power-aperture product and effective isotropic radiated power for single-beam arrays and extends it to SMB arrays. The FoM is the product of radiated power, antenna aperture efficiency and the amplifiers power added efficiency. We compute the FoM for three different two-beam TX systems to highlight the usefulness of the FoM. It enables systematic comparison of modern and future multi-beam radar and communications arrays.
| Original language | English |
|---|---|
| Pages (from-to) | 60-68 |
| Number of pages | 9 |
| Journal | IEEE Transactions on Radar Systems |
| Volume | 1 |
| DOIs | |
| Publication status | Published - 25 Apr 2023 |
Keywords
- Antenna arrays
- Radar
- Spaceborne radar
- Apertures
- Radar antennas
- multibeam antennas
- Transmitting antennas
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Active Load-Modulated Devices: A General PA Network Solution Identifying Highly Efficient Linearizer Systems
Atanasov, A. N., Oude Alink, M. S. & van Vliet, F. E., 1 Feb 2024, In: IEEE transactions on microwave theory and techniques. 72, 2, p. 1353-1367 15 p.Research output: Contribution to journal › Article › Academic › peer-review
Open AccessFile98 Downloads (Pure) -
A Figure of Merit for Simultaneous-Multi-Beam Transmit Antenna Arrays
Atanasov, A. N., Oude Alink, M. S. & van Vliet, F. E., 19 Dec 2022, 2022 IEEE International Symposium on Phased Array Systems & Technology (PAST). IEEEResearch output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review
Open AccessFile193 Downloads (Pure) -
The Load-Modulated linearizer: A technique for intermodulation cancellation in PA systems
Atanasov, A. N., Mukhtar Ahmad, W., Oude Alink, M. S. & van Vliet, F. E., 19 Oct 2022, 2022 IEEE BiCMOS and Compound Semiconductor Integrated Circuits and Technology Symposium (BCICTS). Phoenix, Arizona, USA: IEEE, p. 174-177 4 p.Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review
Open AccessFile1 Citation (Scopus)156 Downloads (Pure)