The 15th Asia-Pacific Conference on Communications (APCC2009) will be held in Shanghai, China. Since 1993, APCC has been the forum for researchers and engineers to present and discuss topics related to advanced information and communication technologies and services, while at the same time, opening the door to the world. Prospective authors are invited to submit original technical papers for presentation at the conference and publication in the conference proceedings. All papers of APCC2009 will be included in IEEE Xplore and indexed by EI (pending). Selected papers of APCC2009 will be indexed in SCI by China Comm.