IEEE TRANSACTIONS ON INFORMATION THEORY, vol. 55, no. 9, page. 4279 - 4285, 2009-09
IEEE TRANSACTIONS ON INFORMATION THEORY, vol. 55, no. 5, page. 2384 - 2391, 2009-05
IEEE TRANSACTIONS ON INFORMATION THEORY, vol. 55, no. 4, page. 1815 - 1823, 2009-04
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES, vol. E91-A, no. 12, page. 3685 - 3690, 2008-12