Sidhant Misra Stefan Geirhofer Lang Tong 0001 Optimal adaptive transmission for a cognitive radio with sensing. 2797-2800 2008 ICASSP https://doi.org/10.1109/ICASSP.2008.4518230 conf/icassp/2008 db/conf/icassp/icassp2008.html#MisraGT08