The 18th Asia-Pacific Conference on Communications (APCC 2012) will be held at Ramada Plaza Jeju Hotel in Jeju island, Korea, during October 15-17, 2012. Since 1993, APCC has been a technical forum for researchers and engineers to interact and disseminate information on the latest developments in advanced communication and information technologies. In this year, APCC 2012 will be co-located with ICTC 2012 (International Conference on ICT Convergence). Pro?spective authors are invited to submit original technical papers for presenta?tion at the conference and publication in the conference proceedings.