Orthogonal beamforming using Gram-Schmidt orthogonalization for multi-user MIMO downlink system. - Kunitaka Matsumura; Tomoaki Ohtsuki (EURASIP J. Wirel. Commun. Netw., 2011)

Design method of relative magnitude coefficients considering rotation of basis vectors in interference space on the K-user MIMO interference channel for downlink system. - Kunitaka Matsumura; Tomoaki Ohtsuki (GLOBECOM, 2012)

Design algorithm of relative magnitude coefficients using Brent's method on the K-User MIMO-IFC. - Kunitaka Matsumura; Tomoaki Ohtsuki (ICC, 2014)

Algorithm Design of Relative Magnitude Coefficients Using Brent's Method on the K-User MIMO-IFC. - Kunitaka Matsumura; Tomoaki Ohtsuki (IEICE Trans. Commun., 2016)