Masri, A.Dama, Yousef A.S.Eya, Nnabuike N.Abd-Alhameed, RaedNoras, James M.2017-05-312017-05-312017-04Masri A, Dama YAS, Eya N et al (2017) Secondary user undercover cooperative dynamic access protocol for overlay cognitive radio networks. International Journal of Mobile Network Communications & Telematics. 7(1-2): 1-10.9000258690009611http://hdl.handle.net/10454/12066YesA secondary cooperative overlay dynamic spectrum access protocol in cognitive radio networks is proposed, allowing secondary users to access the primary system using full power without causing harmful interference to primary users. Moreover, an enhancement in the primary system will be achieved as a result of secondary relaying of primary messages. A detailed description of the protocol is given and illustrated with network scenarios.en(c) 2017 The Authors. Full-text reproduced with authors' permission.Cognitive radioDynamic spectrum accessResource managementCooperative overlayArticlehttps://doi.org/10.5121/ijmnct.2017.7201