?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=J&rft.au=Tang%2C+J&rft.aulast=Tang&rft.pages=2605-2619&rft.issn=2327-4662&rft.title=IEEE+Internet+of+Things+Journal&rft.issue=4&rft.atitle=Energy+Efficiency+Optimization+with+SWIPT+in+MIMO+Broadcast+Channels+for+Internet+of+Things&rft.volume=5&rft.date=August+2018&rft.genre=article