Abstract
This paper proposes an adaptive arbitration interframe space number (AIFSN) control for ZigBee and wireless LAN (WLAN) coexistence. The authors have been proposed the coexistence method which is utilizing the AIFS specified in the IEEE802.11e standard greater than the distributed interframe space (DIFS). Because the AIFS value is always high in the conventional method, the ZigBee success ratio is improved but the WLAN throughput is degraded. To overcome this problem, the AIFS is changed adaptively according to the reception of ZigBee Data frames. The adaptive AIFSN control is applied to the conventional method. Compared with the conventional method, simulation results show the degradation of ZigBee success ratio is small and the WLAN throughput is improved.
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