?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Zhou&rft.aufirst=F&rft.au=Zhou%2C+F&rft.title=IEEE+Network&rft.pages=152-160&rft.issn=0890-8044&rft.issue=2&rft.atitle=Energy-Efficient+NOMA+Enabled+Heterogeneous+Cloud+Radio+Access+Networks&rft.volume=32&rft.date=13+March+2018&rft.genre=article