?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Throughput+and+Energy+Efficiency+for+S-FFR+in+Massive+MIMO+Enabled+Heterogeneous+C-RAN&rft.creator=He%2C+A&rft.creator=Wang%2C+L&rft.creator=Chen%2C+Y&rft.creator=Wong%2C+K-K&rft.creator=Elkashlan%2C+M&rft.description=This+paper+considers+the+massive+multiple-input+multiple-output+(MIMO)+enabled+heterogeneous+cloud+radio+access+network+(C-RAN)%2C+in+which+both+remote+radio+heads+(RRHs)+and+massive+MIMO+macrocell+base+stations+(BS)+are+deployed+to+potentially+accomplish+high+throughput+and+energy+efficiency+(EE).+In+this+network%2C+the+soft+fractional+frequency+reuse+(S-FFR)+is+employed+to+mitigate+the+inter-tier+interference.+We+develop+a+tractable+analytical+approach+to+evaluate+the+throughput+and+EE+of+the+entire+network%2C+which+can+well+predict+the+impacts+of+the+key+system+parameters+such+as+number+of+macrocell+BS+antennas%2C+RRH+density%2C+and+S-FFR+factor%2C+etc.+Our+results+demonstrate+that+massive+MIMO+is+still+a+powerful+tool+for+improving+the+throughput+of+the+heterogeneous+C-RAN+while+RRHs+are+capable+of+achieving+higher+EE.+The+impact+of+S-FFR+on+the+network+throughput+is+dependent+on+the+density+of+RRHs.+Furthermore%2C+more+radio+resources+allocated+to+the+RRHs+can+greatly+improve+the+EE+of+the+network.&rft.subject=Throughput%2C%0D%0AMIMO%2C%0D%0AInterference%2C%0D%0AMacrocell+networks%2C%0D%0APower+demand%2C%0D%0AAntenna+arrays&rft.publisher=IEEE&rft.contributor=Shen%2C+Xuemin+(Sherman)&rft.contributor=Brandt-Pearce%2C+Maite&rft.contributor=Ulukus%2C+Sennur&rft.date=2016-01-01&rft.type=Proceedings+paper&rft.publisher=59th+Annual+IEEE+Global+Communications+Conference+(IEEE+GLOBECOM)&rft.language=eng&rft.source=+++++In%3A+Shen%2C+Xuemin+(Sherman)+and+Brandt-Pearce%2C+Maite+and+Ulukus%2C+Sennur%2C+(eds.)+Proceedings+of+2016+IEEE+Global+Communications+Conference+(GLOBECOM).++++IEEE%3A+Washington%2C+DC+USA.+(2016)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1549997%2F1%2FWong_%2520MIMO%2520enabled%2520heterogeneous%2520C-RAN.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F1549997%2F&rft.rights=open