Hung-Bin Chang Shin-Ming Cheng Shao-Yu Lien Kwang-Cheng Chen Statistical delay control of opportunistic links in cognitive radio networks. 2250-2254 2010 PIMRC http://dx.doi.org/10.1109/PIMRC.2010.5671688 conf/pimrc/2010 db/conf/pimrc/pimrc2010.html#ChangCLC10