IEEE TRANSACTIONS ON COMMUNICATIONS, vol. 60, no. 9, page. 2382 - 2386, 2012-09
JOURNAL OF COMMUNICATIONS AND NETWORKS, vol. 14, no. 2, page. 206 - 212, 2012-04
IEEE TRANSACTIONS ON COMMUNICATIONS, vol. 59, no. 4, page. 1066 - 1077, 2011-04
IEEE TRANSACTIONS ON COMMUNICATIONS, vol. 58, no. 1, page. 35 - 39, 2010-01