Asia-Pacific Signal and Information Processing Association (APSIPA) Posted on August 26, 2014 by SCG DR Copyright Holders: Asia-Pacific Signal and Information Processing Association (APSIPA) a Self-archiving policy Conditions Accepted version: √ a Published version: √ a Remarks: The on-line conference proceedings are available to public, so there is no problem for the papers to be included in NTU’s repository as they are published. (verified by Guang Ying via email) Verification Date: 13.08.2014