Open Access

ARTICLE

A Survey on Technologies and Challenges of LTE-U

Tong Gan¹, Shi-You Wang¹, Qiang Ma¹, Yi-Dong Jia^2,*, Yun-Yun Ma³

1 Beijing Metro Consultancy Corporation Ltd., Beijing, 100071, China
2 School of Computer and Communication Engineering, University of Science and Technology Beijing, Beijing, 100083, China
3 School of Electronic Electrical and Systems Engineering, University of Birmingham, Birmingham, B15 2TT, United Kingdom

* Corresponding Author: Yi-Dong Jia. Email: