1 | School of Computer Science, Hubei University of Technology, Wuhan, Hubei, 430068, PR China |
2 | Lublin University of Technology, ul. Nadbystrzycka 36, 20-618, Lublin, Poland |
3 | Wuhan Fiberhome Technical Services Co., Ltd., Wuhan FiberHome Telecommunication Technologies Co., Ltd., Wuhan, Hubei, 430074, PR China |
4 | Lviv Polytechnic National University, Karpinskoho str. 1, Lviv, Ukraine |