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Research on Mobile Management of Wireless IP Network Based on SIP

LI Suolei

Abstract

Session initiation protocol is an application-layer protocol standardized by IETF for establishing,modifying,and terminating peer-to peer multimedia communication,and it provides mobility in such network.However,the handoff procedure with SIP suffers from undesirable delay and packet loss.In this paper,the cause of handoff delay is analyzed and it is proposed that the soft handoff processing is initiated by MA and carried out by BS.It is proved that this is an effective solution for avoiding the hand off delay and improving the session QoS.

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Key concepts: Computer science, Computer network, Handover, Session Initiation Protocol, Mobility management, Network packet, Quality of service, Session (web analytics)