Convergence is the theme of next generation communication system

which lies in several aspects and layers. The concept of Ubiquitous emerges and is incorporated with mobile communication. This convergence becomes one active evolve-trend in mobile communication system

laying more emphasis on the service experience. The paper envisioned the mobile and ubiquitous convergent service environment from the viewpoint of service provision and user-centric requirement. Then

it described the features of the ambi- ent ubiquitous environment and the functional requirement on coordination of the mobile ubiquitous environment. At last

it analyzed the self-organized characteristics in architectural design of the ubiqui- tous system.