The Improvement of Mobile Device Mobility under IP Multimedia Subsystem Access Network based on Host Identity Protocol

• Main Authors: Shuo Tseng, 曾碩
• Other Authors: Han-Chieh Chao
• Format: Others
• Language: zh-TW
• Published: 2010
• Online Access: http://ndltd.ncl.edu.tw/handle/30484233891260545719

碩士 === 國立東華大學 === 電機工程學系 === 98 === People use the Internet to deal with their daily activities and the wireless communications become more and more popular. In order to achieve the ubiquitous communication under different kinds of heterogeneous wireless communication environments, the IP Multimedia Subsystem (IMS) provides underlying architecture for the next generation wireless communications. Host Identity Protocol (HIP) is one kind of new protocols which separates the host identity from the host position information. When a mobile device is roaming on wireless networks, the change of IP address would not cause the interruptions of session connections. Meanwhile, the maintenance of the host identity would not lead to distant paths for packet transmission. Here, we propose a new architecture - HIP_IMS that combines Host Identity Protocol and IP Multimedia Subsystem to improve the handoff performance while the mobile nodes moves to a foreign network. The simulation results reveal that the handoff delay and packet routing path distance can be reduced under the proposed HIP_IMS architecture.