A handover scheme in heterogeneous wireless networks

Authors:
Yuliang Tang;Ming-Yi Shih;Chun-Cheng Lin;Guannan Kou;Der-Jiunn Deng
Affiliations:
Dept of Communication Engineering, Xiamen University, Fujian, China;Dept of Computer Science and Information Engineering, National Changhua University of Education, Changhua, Taiwan;Dept of Computer Science, Taipei Municipal University of Education, Taipei, Taiwan;Dept of Communication Engineering, Xiamen University, Fujian, China;Dept of Computer Science and Information Engineering, National Changhua University of Education, Changhua, Taiwan
Venue:
GPC'10 Proceedings of the 5th international conference on Advances in Grid and Pervasive Computing
Year:
2010

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Abstract

In order to achieve seamless handover for real-time applications in the IP Multimedia Subsystem (IMS) of the next-generation network, a multi-protocol combined handover mechanism is proposed in this paper We combine SIP (Session Initiation Protocol), FMIP (Fast Mobile IPv6 Protocol) and MIH (Media Independent Handover) protocols by cross-layer design and optimize those protocols' signaling flows to improve the performance of vertical handover Theoretical analysis and simulation results illustrate that our proposed mechanism performs better than the original SIP and MIH combined handover mechanism in terms of service interrupt time and packet loss.