| Publisher | Kyushu Institute of Technology | ||
|---|---|---|---|
| Format | 259.4KB PDF | Date added | 07 Jul 2005 |
| Topics | Wireless LAN, TCP - IP, Mobile - Wireless Communications | ||
| Downloads | 0 | ||
Ubiquitous networks enabling access by Mobile Nodes (MNs) at any time and at any location will consist of several different Wireless LANs (WLANs), so it is likely that an MN will traverse several WLANs during communication. In such a case, avoiding performance degradation during the handoff becomes a critical issue. The majority of existing studies deal with handoff decisions based on upper layer information such as packet loss, but none of the studies extensively examine the criteria for a handoff decision and investigate how the criteria can affect the performance degradation just before the handoff is executed. This paper first extensively investigates the TCP performance under the criteria for the handoff decision employed by existing studies.
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