1. Faculty of Computer science and Engineering Ho Chi Minh City University of Technology (HCMUT) Ho Chi Minh City Vietnam
2. Vietnam National University Ho Chi Minh City (VNU‐HCM) Ho Chi Minh City Vietnam
3. Institute of Engineering and Techonlogy Thu Dau Mot University Binh Duong Vietnam
4. Training and Science Technology Department Posts and Telecoms Institute of Technology Ho Chi Minh city Vietnam