Cognitive relay-sharing by using hierarchical modulation under interference constraints. - Hamidreza Khakzad; Reza Shakeri; Abbas Taherpour; Tamer Khattab; Mazen Omar Hasna (GLOBECOM, 2014)

Hybrid underlay/overlay cognitive radio system with hierarchical modulation in the presence of channel estimation error. - Reza Shakeri; Hamidreza Khakzad; Abbas Taherpour; Tamer Khattab; Mazen Omar Hasna (GLOBECOM, 2014)

Performance of two-way multi-relay inter-vehicular cooperative networks. - Reza Shakeri; Hamidreza Khakzad; Abbas Taherpour; Saeed Gazor (WCNC, 2014)

Multiuser scheduling on downlink communications by using adaptive hierarchical modulation. - Hamidreza Khakzad; Reza Shakeri; Abbas Taherpour; Tamer Khattab (ICC, 2015)

Impact of stochastic RF energy harvesting relay on wireless point-to-point network. - Reza Shakeri; Hamidreza Khakzad; Abbas Taherpour; Tamer Khattab (IWCMC, 2016)

Dynamic interference-limited relay sharing in cognitive radio networks by using hierarchical modulation. - Hamidreza Khakzad; Abbas Taherpour; Reza Shakeri; Tamer Khattab (IET Commun., 2017)