?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Nguyen%2C+Ngoc+Tan&rft.aulast=Nguyen&rft.aufirst=Ngoc+Tan&rft.date=13+June+2019&rft.title=Energy+Management+and+Time+Scheduling+for+Heterogeneous+IoT+Wireless-Powered+Backscatter+Networks&rft.genre=proceeding