Geometrical Mathematical Models and Carrier to Interference Ratio Based Handoff Algorithm for Reduction of Handoff Latency in Wireless Networks

Provided by: International Journal of Computer Applications
Topic: Networking
Format: PDF
"IEEE 802.11b networks are becoming more ubiquitous. While roaming through access points, a mobile node is often required to perform a link layer handover. This mechanism causes connection losses and breaks in time-sensitive communication, especially if a network layer handover follows the link layer handover. In this paper, the authors propose to reduce handoff latency for IEEE 802.11 wireless networks with Neighbor Graphs (NG) pre-scanning mechanisms and using a GPS based server which predetermines the next probable AP using three formulated geometry based mathematical techniques. IEEE 802.11 uses 11 channels of which the channels 1, 6 and 11 do not mutually overlap."

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