IEEE COMMUNICATIONS LETTERS, vol. 14, no. 10, page. 954 - 956, 2010-10
ELECTRONICS LETTERS, vol. 46, no. 20, page. 1402 - 1404, 2010-09-30
TELECOMMUNICATION SYSTEMS, vol. 44, no. 1-2, page. 135 - 147, 2010-06
ELECTRONICS LETTERS, vol. 46, no. 3, page. 251 - 252, 2010-02-04