%0 Journal Article %T D2D underlay massive MIMO hybrid networks with improved physical layer secrecy and energy efficiency %A Jia, Xiangdong %A Xie, Mangang %A Zhou, Meng %A Zhu, Hongbo %A Yang, Longxiang %J International Journal of Communication Systems %V 30 %N 13 %P n/a-n/a %@ 1074-5351 %D 2017-10-10 %I Wiley Subscription Services, Inc., A Wiley Company %~ DeepDyve