… by internet protocol, it causes packet loss and delay in handover procedure. … heterogeneous
wireless access network. This paper proposed a hybrid user and network-initiated handover …

… to guarantee the QoS with QoS aware RSVP in heterogeneous wireless networks. The …
On ther other hand, if the selection is triggered by the congestion, we will perform the handoff …

… path selection schemes [9–16] and handover solutions [17–… -based handover solution
appropriate for heterogeneous wireless … Such behavior undoubtedly causes the performance …

… ) and vertical handover decision will ensure efficient use of system resources and provide
… users in heterogeneous mobile networks. Firstly, an adaptive multi-guard channel scheme (…

… 換手參數的機制,TTT(Time-to-trigger),HOM(Handover Margin)以及使用了動態調整CRE的機制
,以… This thesis focuses on the handover issues in heterogrneous networks. Heterogeneous …

… -level fuzzy logic system is triggered by the trigger mechanism, and the … Multi-criteria vertical
handoff decision algorithm using … based handover management strategy for heterogeneous …

… However, the heterogeneous network would cause several problems, … we propose a
independent handover trigger decision and design the handover procedure to reduce the handover …

… ; it causes the offset of frame arrival times when a mobile node roams in heterogeneous …
Because of receiving media streams from multiple interfaces during vertical handoff, there …

… also increases the number of handover events. In this dissertation, we first propose a new
cost model … which facilitates performance tuning is proposed in this dissertation. Besides, we …

… is placed in multiple heterogeneous wireless networks, the first question would be how to
reduce the services delay or interruption that handoff causes. So this thesis makes use of the …