@article{ DING Han-qing:48, author = {[ DING Han-qing, WANG Zhong-fang, XU Jin, ZHANG Qiu-wen, LIU Wei-hua]}, title = {Closed-Form IA Solution Based on Ring-Typed Alignment Chain}, publisher = {Journal of Beijing University of Posts and Telecommunications}, year = {2021}, journal = {Journal of Beijing University of Posts and Telecommunications}, volume = {44}, number = {6}, eid = {48}, pages = {48-52}, keywords = {multiple-user interference networks;interference alignment;degrees of freedom;ring-typed alignment chain;solution method}, doi = https://journal.bupt.edu.cn/EN/10.13190/j.jbupt.2021-023 }