IEEE TRANSACTIONS ON COMMUNICATIONS, vol. 59, no. 4, page. 1066 - 1077, 2011-04
IEEE TRANSACTIONS ON COMMUNICATIONS, vol. 48, no. 2, page. 298 - 307, 2000-02
IEEE TRANSACTIONS ON COMMUNICATIONS, vol. 44, no. 11, page. 1514 - 1526, 1996-11