著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Irfan Ahmed and Hedi Khammari and Adnan Shahid and Ahmed Musa and Kwang Soon Kim and Eli De Poorter and Ingrid Moerman,A Survey on Hybrid Beamforming Techniques in 5G: Architecture and System Model Perspectives,IEEE Communications Surveys & Tutorials,1553-877X,Institute of Electrical and Electronics Engineers (IEEE),2018,20,4,3060-3097,https://cir.nii.ac.jp/crid/1360011145816399616,https://doi.org/10.1109/comst.2018.2843719