1. Santa Clara University, Santa Clara, CA, USA. E-mail: hlu@scu.edu
2. University at Albany – SUNY, Albany, NY, USA. E-mail: hong@albany.edu
3. Institute for Infocomm Research, Singapore. E-mail: yyang@i2r.a-star.edu.sg
4. New Jersey Institute of Technology, Newark, NJ, USA. E-mail: lian.duan@njit.edu
5. Rutgers University, Newark, NJ, USA. E-mail: nbadar@scarletmail.rutgers.edu