| Publisher | Institute of Electrical and Electronics Engineers | ||
|---|---|---|---|
| Format | 361.1KB PDF | Date added | 18 Feb 2005 |
| Topics | Mobile - Wireless Communications, Wi-Fi (802.11), Wireless LAN | ||
| Downloads | 71 | ||
The layer 2 handoff latency in WLANs 802.11 has traditionally been measured as the time between the first probe request message sent by the mobile station and the arrival of a reassociation response message from an access point. However, that measure does not represent the time the station remains disconnected during the handoff. Thus, the traditional way of measurement is imprecise. This paper analyzes layer 2 handoffs and experimentally shows that the mobile station may send or receive data frames during part of the handoff latency. The proposal, called Handoff Accurate Measurement Strategy (HAMS) measures the total disconnection latency and the contribution of each handoff phase to the entire handoff latency.
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