?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Energy-efficient+resource+allocation+in+CoMP-SWIPT+heterogeneous+networks&rft.creator=Tang%2C+J&rft.creator=So%2C+DKC&rft.creator=Shojaeifard%2C+A&rft.creator=Wong%2C+KK&rft.description=In+this+paper%2C+a+fundamental+study+of+energy+efficiency+(EE)+optimization+for+coordinated+multi-point+(CoMP)-simultaneous+wireless+information+and+power+transfer+(SWIPT)+heterogeneous+networks+(HetNets)+is+provided.+We+aim+to+optimize+the+EE+whilst+satisfying+certain+quality-of-service+(QoS)+requirements+in+regard+to+transmission+rate+and+energy+harvesting+at+both+the+macro-cell+and+small-cells.+The+corresponding+joint+beamforming+and+power+allocation+in+the+presence+of+intra-+and+inter-cell+interference+constitutes+a+EE+maximization+problem+that+is+non-convex%2C+and+hence+very+challenging+to+solve.+In+order+to+solve+this+problem%2C+we+propose+to+separate+the+beamforming+design+and+power+allocation+processes.+In+particular%2C+different+from+the+the+conventional+linear+zero-forcing+beamforming+where+the+beneficial+interference+is+removed%2C+a+partial+zero-forcing+approach+has+been+proposed+by+differentiating+the+energy+harvesting+users+and+information+decoding+users+in+order+to+improve+the+EE.+Our+findings+show+that+the+EE+can+be+significantly+improved+through+the+integration+of+CoMP-SWIPT+in+HetNets.&rft.subject=Array+signal+processing%2C+Interference%2C+Resource+management%2C+Receivers%2C+Wireless+communication%2C+Quality+of+service%2C+Optimization&rft.publisher=IEEE&rft.date=2018-04-05&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++The+Proceedings+of+the+2017+IEEE%2FCIC+International+Conference+on+Communications+in+China+(ICCC).++++IEEE%3A+Danvers+(MA)%2C+USA.+(2018)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10055236%2F1%2FWong_Energy-efficient%2520resource%2520allocation%2520in%2520CoMP-SWIPT%2520heterogeneous%2520networks_AAM.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10055236%2F&rft.rights=open