A Robust Sidelobe Cancellation Algorithm Based on Beamforming Vector Norm Constraint
Sidelobe cancellation (SLC) is a well-established beamforming technique for mitigating interference, particularly in the context of satellite communication (SATCOM). However, traditional SLC suffers from the issue of partially canceling the desired signal at high signal-to-noise ratio (SNR), primari...
Saved in:
| Main Authors: | , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Wiley
2024-01-01
|
| Series: | IET Signal Processing |
| Online Access: | http://dx.doi.org/10.1049/2024/7696638 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850110463153537024 |
|---|---|
| author | Qing Wang Huanding Qin Kai Yang Hao Wu Fangmin He Jin Meng |
| author_facet | Qing Wang Huanding Qin Kai Yang Hao Wu Fangmin He Jin Meng |
| author_sort | Qing Wang |
| collection | DOAJ |
| description | Sidelobe cancellation (SLC) is a well-established beamforming technique for mitigating interference, particularly in the context of satellite communication (SATCOM). However, traditional SLC suffers from the issue of partially canceling the desired signal at high signal-to-noise ratio (SNR), primarily due to unconstrained beamforming processing. Extensive research has been conducted to address this problem; however, existing algorithms have limitations such as dependence on knowledge of signal array vectors or number of interferers and involve high computational complexity. In this paper, we propose a robust SLC algorithm based on beamforming vector norm constraint. Our proposal offers a practical solution by only requiring knowledge of the earth station antenna gain and maximum auxiliary array gain to the desired signal, both of which are fully known. Furthermore, compared to traditional SLC, our proposed method introduces additional computational complexity that only scales linearly with the size of the auxiliary array. Simulation results demonstrate comparable performance between our proposed method and existing techniques such as diagonal loading and spatial degrees-of-freedom control-based algorithms. |
| format | Article |
| id | doaj-art-467fcda5c75e4149b48445e9608db8f5 |
| institution | OA Journals |
| issn | 1751-9683 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | IET Signal Processing |
| spelling | doaj-art-467fcda5c75e4149b48445e9608db8f52025-08-20T02:37:49ZengWileyIET Signal Processing1751-96832024-01-01202410.1049/2024/7696638A Robust Sidelobe Cancellation Algorithm Based on Beamforming Vector Norm ConstraintQing Wang0Huanding Qin1Kai Yang2Hao Wu3Fangmin He4Jin Meng5National Key Laboratory of Electromagnetic EnergyNational Key Laboratory of Electromagnetic EnergyNational Key Laboratory of Electromagnetic EnergyNational Key Laboratory of Electromagnetic EnergyNational Key Laboratory of Electromagnetic EnergyNational Key Laboratory of Electromagnetic EnergySidelobe cancellation (SLC) is a well-established beamforming technique for mitigating interference, particularly in the context of satellite communication (SATCOM). However, traditional SLC suffers from the issue of partially canceling the desired signal at high signal-to-noise ratio (SNR), primarily due to unconstrained beamforming processing. Extensive research has been conducted to address this problem; however, existing algorithms have limitations such as dependence on knowledge of signal array vectors or number of interferers and involve high computational complexity. In this paper, we propose a robust SLC algorithm based on beamforming vector norm constraint. Our proposal offers a practical solution by only requiring knowledge of the earth station antenna gain and maximum auxiliary array gain to the desired signal, both of which are fully known. Furthermore, compared to traditional SLC, our proposed method introduces additional computational complexity that only scales linearly with the size of the auxiliary array. Simulation results demonstrate comparable performance between our proposed method and existing techniques such as diagonal loading and spatial degrees-of-freedom control-based algorithms.http://dx.doi.org/10.1049/2024/7696638 |
| spellingShingle | Qing Wang Huanding Qin Kai Yang Hao Wu Fangmin He Jin Meng A Robust Sidelobe Cancellation Algorithm Based on Beamforming Vector Norm Constraint IET Signal Processing |
| title | A Robust Sidelobe Cancellation Algorithm Based on Beamforming Vector Norm Constraint |
| title_full | A Robust Sidelobe Cancellation Algorithm Based on Beamforming Vector Norm Constraint |
| title_fullStr | A Robust Sidelobe Cancellation Algorithm Based on Beamforming Vector Norm Constraint |
| title_full_unstemmed | A Robust Sidelobe Cancellation Algorithm Based on Beamforming Vector Norm Constraint |
| title_short | A Robust Sidelobe Cancellation Algorithm Based on Beamforming Vector Norm Constraint |
| title_sort | robust sidelobe cancellation algorithm based on beamforming vector norm constraint |
| url | http://dx.doi.org/10.1049/2024/7696638 |
| work_keys_str_mv | AT qingwang arobustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint AT huandingqin arobustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint AT kaiyang arobustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint AT haowu arobustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint AT fangminhe arobustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint AT jinmeng arobustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint AT qingwang robustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint AT huandingqin robustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint AT kaiyang robustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint AT haowu robustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint AT fangminhe robustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint AT jinmeng robustsidelobecancellationalgorithmbasedonbeamformingvectornormconstraint |