Cross-layer handover scheme for multimedia communications in next generation wireless networks

  • Authors:
  • Yuliang Tang;Chun-Cheng Lin;Guannan Kou;Der-Jiunn Deng

  • Affiliations:
  • Department of Communication Engineering, Xiamen University, Fujian, China;Department of Computer Science, Taipei Municipal University of Education, Taipei, Taiwan;Department of Communication Engineering, Xiamen University, Fujian, China;Department of Computer Science and Information Engineering, National Changhua University of Education, Changhua, Taiwan

  • Venue:
  • EURASIP Journal on Wireless Communications and Networking - Special issue on multimedia communications over next generation wireless networks
  • Year:
  • 2010

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Abstract

In order to achieve seamless handover for real-time applications in the IP Multimedia Subsystem (IMS) of next generation network, a multiprotocol 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 interruption time and packet loss.