1. Alamayreh, A. and N. Qasem, "Vortex beam generation in microwave band," Progress In Electromagnetics Research C, Vol. 107, 49-63, 2020.
doi:10.2528/PIERC20082006
2. Qasem, N. and A. Alamayreh, "Improved beam steering method using OAM wave," Computer Systems Science and Engineering, Vol. 4, No. 1, 417-431, 2023.
doi:10.32604/csse.2023.035603
3. Chen, R., H. Du, and J. Li, "Indoor communications with OAM array," 2020 IEEE International Conference on Communications Workshops (ICC Workshops), 1-5, Dublin, Ireland, 2020.
4. Suganuma, H., S. Saito, K. Ogawa, and F. Maehara, "Effectiveness evaluation of dual-polarized OAM multiplexing employing SC-FDE in urban street canyon environments," IEEE Access, Vol. 10, 31934-31941, 2022.
doi:10.1109/ACCESS.2022.3160161
5. Liu, H., K. Liu, Y. Cheng, and H. Wang, "Microwave vortex imaging based on dual coupled OAM beams," IEEE Sensors Journal, Vol. 20, 806-815, 2019.
6. Zeng, Y., Y. Wang, Z. Chen, J. Zhang, and J. Zhang, "Two-dimensional OAM radar imaging using uniform circular antenna array," 2020 14th European Conference on Antennas and Propagation (EuCAP), 1-4, Copenhagen, Denmark, 2020.
7. Liu, K., Y. Cheng, X. Li, Y. Qin, H. Wang, and Y. Jiang, "Generation of orbital angular momentum beams for electromagnetic vortex imaging," IEEE Antennas and Wireless Propagation Letters, Vol. 15, No. 16509284, 1873-1876, 2016.
doi:10.1109/LAWP.2016.2542187
8. Wang, Z., R. Malaney, and J. Green, "Satellite-based entanglement distribution using orbital angular momentum of light," 2020 IEEE International Conference on Communications Workshops (ICC Workshops), 1-6, Dublin, Ireland, 2020.
9. Wang, Z., R. Malaney, and J. Green, "Detecting orbital angular momentum of light in satellite-to-ground quantum communications," 2019 IEEE Global Communications Conference (GLOBECOM), 1-6, Waikoloa, HI, USA, 2019.
10. Wang, Z., R. Malaney, and B. Burnett, "Satellite-to-earth quantum key distribution via orbital angular momentum," Physical Review Applied, Vol. 14, No. 6, 1-15, 2020.
11. Lyu, R., W. Cheng, W. Zhang, and F. Qin, "OAM-NFC: A short-range high capacity transmission scheme," ICC 2020 --- 2020 IEEE International Conference on Communications (ICC), 1-6, Dublin, Ireland, 2020.
12. Qasem, N., A. Alamayreh, and J. Rahhal, "Beam steering using OAM waves generated by a concentric circular loop antenna array," Wireless Networks, Vol. 27, 2431-2440, 2021.
doi:10.1007/s11276-021-02589-z
13. Lian, Y., Y. Yu, S. Han, N. Luan, Y. Wang, and Z. Lu, "OAM beams generation technology in optical fiber: A review," IEEE Sensors Journal, Vol. 22, No. 5, 3828-3843, 2022.
doi:10.1109/JSEN.2022.3145833
14. Liao, Z., Y. Che, L. Liu, B. C. Pan, B. G. Cai, J. N. Zhou, G. O. Luo, and Y. Liu, "Reconfigurable vector vortex beams using spoof surface plasmon ring resonators," IEEE Transactions on Antennas and Propagation, Vol. 70, No. 8, 6795-6803, 2022.
doi:10.1109/TAP.2022.3161487
15. Wei, H., A. K. Amrithanath, and S. Krishnaswamy, "3D printing of micro-optic spiral phase plates for the generation of optical vortex beams," IEEE Photonics Technology Letters, Vol. 31, No. 8, 599-602, 2019.
doi:10.1109/LPT.2019.2903151
16. Guo, K., Q. Zheng, Z. Yin, and Z. Guo, "Generation of mode-reconfigurable and frequency-adjustable OAM beams using dynamic reflective metasurface," IEEE Access, Vol. 8, 75523-75529, 2020.
doi:10.1109/ACCESS.2020.2988914
17. Yuan, T., Y. Cheng, H.Wang, and Y. Qin, "Beam steering for electromagnetic vortex imaging using uniform circular arrays," IEEE Antennas and Wireless Propagation Letters, Vol. 16, 704-707, 2017.
doi:10.1109/LAWP.2016.2600404
18. Chen, R., W. X. Long, X. Wang, and J. Li, "Multi-mode OAM radio waves: Generation, angle of arrival estimation and reception with UCAs," IEEE Transactions on Wireless Communications, Vol. 19, No. 10, 6932-6947, 2020.
doi:10.1109/TWC.2020.3007026
19. Mohammadi, S. M., L. K. S. Daldorff, J. E. S. Bergman, R. L. Karlsso, B. Thide, K. Forozesh, and T. D. Carozzi, "Orbital angular momentum in radio --- A system study," IEEE Transactions on Antennas and Propagation, Vol. 58, No. 2, 565-572, 2010.
doi:10.1109/TAP.2009.2037701
20. Alamayreh, A., N. Qasem, and J. S. Rahhal, "General configuration MIMO system with arbitrary OAM," Electromagnetics, Vol. 40, No. 5, 343-353, 2020.
doi:10.1080/02726343.2020.1780378
21. Qin, F., L. Li, Y. Liu, W. Cheng, and H. Zhang, "A four-mode OAM antenna array with equal divergence angle," IEEE Antennas and Wireless Propagation Letters, Vol. 18, No. 9, 1941-1945, 2019.
doi:10.1109/LAWP.2019.2934524
22. Alamayreh, A., N. Qasem, and J. S. Rahhal, "Pre-coding OAM based MIMO system for multi-user communications," IEEE Access, Vol. 10, 125411-125420, 2022.
doi:10.1109/ACCESS.2022.3225424
23. Saito, S., Y. Ito, H. Suganum, K. Ogawa, and F. Maehara, "Efficient inter-mode interference cancellation method for OAM multiplexing in the presence of beam axis misalignment," 2021 IEEE International Conference on Communications Workshops (ICC Workshops), 1-6, Montreal, QC, Canada, 2021.
24. Cisternas, J. E., J. I. Espinoza, and J. A. Anguita, "Machine learning identification of multiple-state OAM superpositions detected with spatial mode sensors," Laser Communication and Propagation through the Atmosphere and Oceans X, Vol. 11834, 129-135, 2021.
25. Silva, B. P. D., B. A. D. Marques, R. B. Rodrigues, P. H. S. Ribeiro, and A. Z. Khoury, "Machine-learning recognition of light orbital-angular-momentum superpositions," Physical Review A, Vol. 103, No. 6, 063704, 2021.
doi:10.1103/PhysRevA.103.063704
26. Yuan, T., Y. Cheng, H. Wang, and Y. Qin, "Beam steering for electromagnetic vortex imaging using uniform circular arrays," IEEE Antennas and Wireless Propagation Letters, Vol. 16, 704-707, 2017.
doi:10.1109/LAWP.2016.2600404
27. Song, Q., Y. Wang, K. Liu, J. Zhang, and Y. Wang, "Beam steering for OAM beams using time-modulated circular arrays," Electronics Letters, Vol. 54, No. 17, 1017-1018, 2018.
doi:10.1049/el.2018.5386
28. Liang, J., Z. Jing, Q. Feng, Y. Zheng, L. Li, and , "Synthesis and measurement of a circular-polarized deflection OAM vortex beam with sidelobe suppression array," IEEE Access, Vol. 8, 89143-89151, 2020.
doi:10.1109/ACCESS.2020.2993877
29. Wang, Y., J. Liu, T. Hu, W. Jie, D. Yang, and A. Tennant, "Convergence of OAM beams using time-modulated concentric circular arrays," 2020 14th European Conference on Antennas and Propagation (EuCAP), 1-3, IEEE, Copenhagen, Denmark, 2020.
30. Liu, K., Y. Cheng, H. Wang, X. Li, and Y. Qin, "Radiation pattern synthesis for the generation of vortex electromagnetic wave," IET Microwaves, Antennas & Propagation, Vol. 11, No. 5, 685-694, 2017.
doi:10.1049/iet-map.2016.0681
31. Albagory, Y. and F. Alraddady, "An efficient approach for sidelobe level reduction based on recursive sequential damping," Symmetry, Vol. 13, No. 3, 480, 2021.
doi:10.3390/sym13030480
32. Rahman, M., M. S. Islam, and M. F. Reza, "A higher immune tapered beamforming using Gaussian Window in the presence of amplitude errors," 2018 4th International Conference on Electrical Engineering and Information & Communication Technology (iCEEiCT), 577-580, IEEE, Dhaka, Bangladesh, 2018.
33. Prabhu, K. M. M., Window Functions and Their Applications in Signal Processing, Taylor & Francis, 2014.
34. Abo-Seida, O. M., N. T. M. El-Dabe, A. R. Ali, and G. A. Shalaby, "Cherenkov FEL reaction with plasma-filled cylindrical waveguide in fractional D-dimensional space," IEEE Transactions on Plasma Science, Vol. 49, No. 7, 2070-2079, 2021.
doi:10.1109/TPS.2021.3084904
35. Goodman, J. W., Introduction to Fourier Optics, Roberts and Company Publishers, 2005.
36. Ettorre, M., M. Casaletti, G. Valerio, R. Sauleau, L. L. Coq, S. C. Pavone, and M. Albani, "On the near-field shaping and focusing capability of a radial line slot array," IEEE Transactions on Antennas and Propagation, Vol. 62, No. 4, 1991-1999, 2014.
doi:10.1109/TAP.2014.2301994
37. Azevedo, J. A. R., "Synthesis of planar arrays with elements in concentric rings," IEEE Transactions on Antennas and Propagation, Vol. 59, No. 3, 839-845, 2011.
doi:10.1109/TAP.2010.2102999