@article{Ehab F. Badran_34, author = {Ehab F. Badran, Amr A. Bashir, Amira I. Zaki, Waleed K. Badawi}, title = {Orthogonal Codes-Based Dynamic Spectrum Access in Cognitive Radio Networks}, publisher = {China Communications}, year = {2019}, journal = {China Communications}, volume = {16}, number = {12}, eid = {34}, pages = {34-46}, keywords = {cognitive radio;dynamic spectrum access;orthogonal codes}, url = http://www.cic-chinacommunications.cn/EN/abstract/article_1022.shtml }