Improved distributed LCMV beamforming in tree topology WSN
HUANG Qing-dong, LU Guang-yue, PANG Sheng-li, BAO Zhi-qiang
Systems Engineering and Electronics . 2014, (9): 1844 -1848 .  DOI: 10.3969/j.issn.1001-506X.2014.09.28