IEEE COMMUNICATIONS LETTERS, vol. 13, no. 3, page. 184 - 186, 2009-03
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, vol. 67, no. 12, page. 11746 - 11758, 2018-12
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, vol. 12, no. 7, page. 3140 - 3147, 2013-07
IEEE COMMUNICATIONS LETTERS, vol. 11, no. 12, page. 928 - 930, 2007-12