Tao Wang 0055 Yichen Wang 0002 Zhuang Li Zhangnan Wang Resource Allocation in Opportunistic Cooperative Cognitive Radio Network with PU's Statistical Delay QoS Provisioning. 1-6 2019 WCSP https://doi.org/10.1109/WCSP.2019.8927890 conf/wcsp/2019 db/conf/wcsp/wcsp2019.html#WangWLW19