%0 Journal Article %A Gan, Tong %A Wang, Shi-You %A Ma, Qiang %A Jia, Yi-Dong %A Ma, Yun-Yun %D 2022 %J Computer Systems Science and Engineering %@ %V 41 %N 1 %P 321--337 %T A Survey on Technologies and Challenges of LTE-U %M doi:10.32604/csse.2022.019244 %U http://www.techscience.com/csse/v41n1/44774