Tseng, Chia-huei
Chow, Hiu Mei
Ma, Yuen Ki
Ding, Jie
Funding for this research was provided by:
Research Institute of Electrical Communication, Tohoku University (Cooperative Research Project Program)
Article History
Received: 5 September 2017
Accepted: 30 July 2018
First Online: 23 August 2018
Competing Interests
: The authors declare no competing interests.