This book constitutes the refereed proceedings of the International Conference on Embedded and Ubiquitous Computing, EUC 2005, held in Nagasaki, Japan in December 2005.

The 114 revised full papers presented were carefully reviewed and selected from 376 submissions. The papers are organized in topical sections on embedded hardware and software, real-time systems, power-aware computing, hardware/software co-design and systems-on-chip, testing and verification, reconfigurable computing, agent and distributed computing, wireless communications, mobile computing, multimedia, HCI and pervasive computing, network protocol, security and fault-tolerance, as well as middleware and P2P computing.