?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=On+wireless+power+transfer+in+two-tier+massive+MIMO+hetnets%3A+Energy+and+rate+analysis&rft.creator=Zhu%2C+Y&rft.creator=Wang%2C+L&rft.creator=Wong%2C+KK&rft.creator=Jin%2C+S&rft.description=In+this+paper%2C+we+investigate+the+potential+application+of+wireless+power+transfer+(WPT)+in+heterogeneous+networks+(HetNets)+with+massive+multiple-input+multiple-output+(MIMO)+antennas.+Users+first+harvest+energy+from+the+downlink+WPT%2C+and+then+use+the+harvested+energy+for+uplink+transmission.+We+adopt+the+downlink+received+signal+power+(DRSP)+based+user+association+to+maximize+the+harvested+energy%2C+and+address+the+impact+of+massive+MIMO+on+the+user+association.+By+using+new+statistical+properties%2C+we+then+obtain+the+exact+expressions+for+the+average+harvested+energy+and+the+average+uplink+achievable+rate+of+a+user+in+such+networks.+Numerical+results+corroborate+our+analysis+and+demonstrate+that+compared+to+deploying+more+small+cells%2C+the+use+of+a+large+number+of+antennas+is+more+appealing+since+it+brings+in+significant+increase+in+the+harvested+energy+of+the+HetNets.+In+addition%2C+results+illustrate+that+serving+more+users+in+the+massive+MIMO+aided+macrocells+decreases+the+harvested+energy+and+the+uplink+achievable+rate+of+the+HetNets.&rft.subject=MIMO%2C+Uplink%2C+Downlink%2C+Interference%2C+Fading+channels%2C+Macrocell+networks%2C+Energy+harvesting&rft.publisher=IEEE&rft.date=2016-12-01&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+2016+24th+European+Signal+Processing+Conference+(EUSIPCO).++(pp.+pp.+828-832).++IEEE%3A+Budapest%2C+Hungary.+(2016)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1534154%2F1%2F1570255539-2.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1534154%2F&rft.rights=open