Abstract
Whenever the mobile station moves from the range of one access point and comes to the range of another access point a handoff process is occurred. This process takes a long time when using the IEEE 802.11 standard handoff and this delay affect the real time and multimedia applications. This paper provides a layer 2 handoff process for the IEEE 802.11 that is able to eliminate the scanning delay and reduce the total handoff delay.
Highlights
Even with the great benefits and easy of use provided by IEEE 802.11, there are some problems that need to be solved
This paper provides a layer 2 handoff process for the IEEE 802.11 that is able to eliminate the scanning delay and reduce the total handoff delay
Fast handoff method used in this article was able to decrease the total handoff time dramatically
Summary
Even with the great benefits and easy of use provided by IEEE 802.11, there are some problems that need to be solved. One of the most important problems is the handoff process delay. This delay time affects the applications used by the mobile station (STA) during the handoff process. The handoff process occurs when the STA moves from the range of one access point (AP) to the range of another AP. During this process some management information related to the STA need to be transferred between the old AP and new AP through IAPP or other protocols. There are three handoff delays in the IEEE 802.11 standard handoff process, which are scanning delay, re-authentication delay and re-association delay [1]
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