?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Intelligent+Block-Level+Interference+Exploitation+Beamforming+Design%3A+An+ADMM+Approach&rft.creator=Wang%2C+Y&rft.creator=Wen%2C+Y&rft.creator=Li%2C+A&rft.creator=Hu%2C+X&rft.creator=Masouros%2C+C&rft.description=We+study+constructive+interference+based+block-level+beamforming+(CI-BLB)+in+the+downlink+of+multi-user+multiple-input+single-output+(MU-MISO)+systems.+CI-BLB+achieves+im-proved+performance+over+the+traditional+CI-based+symbol-level+beamforming+(CI-SLB)+method%2C+because+of+its+more+intelligent+power+allocation+scheme+over+the+considered+block+of+symbol+slots.+In+this+paper%2C+we+design+a+low-complexity+algorithm+based+on+the+alternating+direction+method+of+multipliers+(ADMM)+framework%2C+which+can+efficiently+solve+QP+problems.+We+analyze+the+convergence+and+complexity+of+the+proposed+algorithm.+Nu-merical+results+validate+the+optimality+of+the+proposed+algorithm%2C+and+further+show+that+the+proposed+algorithm+offers+a+flexible+performance-complexity+tradeoff+by+limiting+the+maximum+num-ber+of+iterations%2C+which+motivates+the+use+of+CI+-+BLB+in+practical+wireless+systems.&rft.subject=MIMO%2C+constructive+interference+(CI)%2C+blocklevel+beamforming+(BLB)%2C+quadratic+programming+(QP)+optimization%2C+alternating+direction+method+of+multipliers+(ADMM)&rft.publisher=Institute+of+Electrical+and+Electronics+Engineers+(IEEE)&rft.date=2024&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+IEEE+Wireless+Communications+and+Networking+Conference+(WCNC)+2024.++(pp.+pp.+1-6).++Institute+of+Electrical+and+Electronics+Engineers+(IEEE)+(2024)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10197225%2F1%2F1570952343%2520paper.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10197225%2F&rft.rights=open