Author Affiliations

Po-Jui Chiang,¹ Nai-Hsiang Sun,² and Hung-chun Chang^3,*

¹Department of Electronic Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan 840, R.O.C.

²Department of Electrical Engineering, I-Shou University, Kaohsiung County, Taiwan 840, R.O.C.

³Department of Electrical Engineering, Graduate Institute of Photonics and Optoelectronics, and Graduate Institute of Communication Engineering, National Taiwan University, Taipei, Taiwan 10617, R.O.C.

^*Corresponding author: hcchang@cc.ee.ntu.edu.tw