Muthukrishnan Senthil Kumar Aresh Dadlani Kiseon Kim Richard O. Afolabi Overlay secondary spectrum sharing with independent re-attempts in cognitive radios. 178-180 2016 Sarnoff Symposium https://doi.org/10.1109/SARNOF.2016.7846750 conf/sarnoff/2016 db/conf/sarnoff/sarnoff2016.html#KumarDKA16