WIRELESS COMMUNICATIONS AND MOBILE COMPUTING, vol. 12, no. 9, page. 755 - 766, 2012-06
WIRELESS COMMUNICATIONS AND MOBILE COMPUTING, vol. 12, no. 7, page. 567 - 579, 2012-05
JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION, vol. 23, no. 1, page. 161 - 172, 2012-01