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) Xinrong Guan and Qingqing Wu and Rui Zhang,Intelligent Reflecting Surface Assisted Secrecy Communication: Is Artificial Noise Helpful or Not?,IEEE Wireless Communications Letters,2162-2337,Institute of Electrical and Electronics Engineers (IEEE),2020-06,9,6,778-782,https://cir.nii.ac.jp/crid/1361981468546351104,https://doi.org/10.1109/lwc.2020.2969629