1. Sarkar, T. K., M. Wicks, M. Salazar-Palma, and R. Bonneau, Smart Antennas, Wiley, New York, 2003.
doi:10.1002/0471722839
2. Burintramart, S., T. K. Sarkar, Y. Zhang, and M. C. Wicks, "Performance comparison between statistical-based and direct data domain STAPs," IEEE Antennas and Propagation Society International Symposium, 1421-1424, Jul. 2006.
3. Sarkar, T. K. and J. Koh, "A pragmatic approach to adaptive antennas," IEEE Antennas and Propagation Magazine, Vol. 42, No. 2, 39-55, Apr. 2000.
doi:10.1109/74.842124
4. Sarkar, T. K., H. Schwarzlander, S. Choi, M. S. Palma, and M. C. Wicks, "Stochastic versus deterministic models in the analysis of communication systems," IEEE Antennas and Propagation Magazine, Vol. 44, No. 4, 40-50, Aug. 2002.
doi:10.1109/MAP.2002.1043146
5. Capon, J., "High-resolution frequency-wavenumber spectrum analysis," Proceedings of the IEEE, Vol. 57, No. 8, 1408-1418, Aug. 1969.
doi:10.1109/PROC.1969.7278
6. Sarkar, T. K. and N. Sangruji, "An adaptive nulling system for a narrow-band signal with a look-direction constraint utilizing the conjugate gradient method," IEEE Trans. Antennas and Propagation, Vol. 37, No. 7, 940-944, Jul. 1989.
doi:10.1109/8.29389
7. Sarkar, T. K., S. Park, J. Koh, and R. A. Schneible, "A deterministic least squares approach to adaptive antennas," Digital Signal Processing, Vol. 6, No. 3, 185-194, Jul. 1996.
doi:10.1006/dspr.1996.0020
8. Adve, R. S. and T. K. Sarkar, "Compensation for the effects of mutual coupling on direct data domain adaptive algorithms," IEEE Trans. Antennas and Propagation, Vol. 48, No. 1, 86-94, Jan. 2000.
doi:10.1109/8.827389
9. Sarkar, T. K., H. Wang, S. Park, R. Adve, J. Koh, K. Kim, Y. Zhang, M. C. Wicks, and R. D. Brown, "A deterministic least-squares approach to space-time adaptive processing (STAP)," IEEE Trans. Antennas and Propagation, Vol. 49, No. 1, 91-103, Jan. 2001.
doi:10.1109/8.910535
10. Madurasinghe, D. and P. E. Berry, "Pre-Doppler direct data domain approach to STAP," Signal Processing, Vol. 85, No. 10, 1907-1920, Oct. 2005.
doi:10.1016/j.sigpro.2005.01.014
11. Choi, W.-S. and T. K. Sarkar, "Phase-only adaptive processing based on a direct data domain least squares approach using the conjugate method," IEEE Trans. Antennas and Propagation, Vol. 52, No. 12, 3265-3272, Dec. 2004.
doi:10.1109/TAP.2004.836410
12. Choi, W., T. K. Sarkar, H. Wang, and E. L. Mokole, "Adaptive processing using real weights based on a direct data domain least squares approach," IEEE Trans. Antennas and Propagation, Vol. 54, No. 1, 182-190, Jan. 2006.
doi:10.1109/TAP.2005.859753
13. Yilmaz, M., N. Yilmazer, S. Bhumkar, and H. Liu, "A two-step optimization of the centro-hermitian form in direct data domain least squares approach," 2010 IEEE International Conference on SMC, 3801-3806, Oct. 2010, ISSN.1062-922X.
14. Choi, W. and T. K. Sarkar, "Minimum norm property for the sum of the adaptive weights for a direct data domain least squares algorithm," IEEE Trans. Antennas and Propagation, Vol. 54, No. 3, 1045-1050, Mar. 2006.
doi:10.1109/TAP.2005.863150
15. Cristallini, D. and W. Burger, "A robust direct data domain approach for STAP," IEEE Trans. Signal Processing, Vol. 60, No. 3, 1283-1294, Mar. 2012.
doi:10.1109/TSP.2011.2176335
16. Madurasinghe, D., "Data domain beamforming with flexible adaptation," Electronics Letters, Vol. 40, No. 11, 697-698, May 2004.
doi:10.1049/el:20040457
17. Madurasinghe, D., "Adaptive multiple snapshot beamforming for the rejection of nonstationary and coherent interferers," Signal Processing and Its Applications, Vol. 2, 634-637, Aug. 1996.
18. Dai, L., R. Li, and Y. Wang, "A modified direct data domain least squares approach using a single snapshot," Image and Signal Frocessing, Vol. 1, 37-40, May 2008.
19. Sun, K., H. Meng, Y. Wang, and X. Wang, "Direct data domain STAP using sparse representation of clutter spectrum," Signal Processing, Vol. 91, No. 9, 2222-2236, Sep. 2011.
doi:10.1016/j.sigpro.2011.04.006
20. Gao, X. and M. Zhi, "An integrated direct data domain beamforming algorithm," Image and Signal Processing, Vol. 7, 3304-3307, Oct. 2010.
21. Grant, M., S. Boyd, and Y. Ye, "CVX users' guide for CVX version 2.0,", [online] accessible at: http://cvxr.com/cvx/doc/.
22. Zhang, Y., B. P. Ng, and Q. Wan, "Sidelobe suppression for adaptive beamforming with sparse constraint on beam pattern," Electronics Letters, Vol. 44, No. 10, 615-616, May 2008.
doi:10.1049/el:20080415
23. Li, J., H. Xu, H. Xia, F. Liu, and B. Li, "Least squares constant modulus blind adaptive beamforming with sparse constraint," IEICE Transactions on Communications, Vol. E95-B, No. 1, 313-316, Nov. 2012.
doi:10.1587/transcom.E95.B.313
24. Li, J., H. B. Xu, F. Liu, and Q. B. Zhao, "Robust least squares constant modulus beamforming with sparse constraint," Journal of Electromagnetic Waves and Applications, Vol. 26, No. 4, 459-467, 2012.
doi:10.1163/156939312800030677
25. Liu, Y. and Q. Wan, "Total difference based partial sparse LCMV beamforming," Progress In Electromagnetics Research Letters, Vol. 18, 97-103, 2010.
doi:10.2528/PIERL10092705
26. Liu, Y. and Q. Wan, "A robust beamforming based on weighted sparse constraint," Progress In Electromagnetics Research Letters, Vol. 16, 53-66, 2010.
doi:10.2528/PIERL10062308
27. Rao, B. D., K. Engan, S. F. Cotter, J. Palmer, and K. Kreutz-Delgado, "Subset selection in noise based on diversity measure minimization," IEEE Transactions on Signal Processing, Vol. 51, No. 3, 760-770, Mar. 2003.
doi:10.1109/TSP.2002.808076
28. Gorodnitsky, I. F. and B. D. Rao, "Sparse signal reconstruction from limited data using FOCUSS: A re-weighted minimum norm algorithm," IEEE Transactions on Signal Processing, Vol. 45, No. 3, 600-616, Mar. 1997.
doi:10.1109/78.558475
29. Sturma, J. F., "Using SeDuMi 1.02, a matlab toolbox for optimization over symmetric cones," Optimization Methods and Software, Vol. 11, No. 1-4, 625-653, 1999.
doi:10.1080/10556789908805766