A cooperative channel control method of ZigBee and WiFi for IoT services
Shu Nishikori, Kazuhiko Kinoshita, Yosuke Tanigawa, Hideki Tode, Takashi Watanabe · 2017
Coexistence between ZigBee and WiFi technologies, which operate within the same frequency band, is increasing with the widespread use of the IoT (Internet of Things). ZigBee devices suffer significant decrease in the sink arrival rate of packets in the presence of WiFi interference. To overcome this problem, many channel control methods have been proposed. The existing methods switch only ZigBee channels to avoid interference with WiFi. Here, we propose a method for improving ZigBee packet arrival rate by controlling both the WiFi and ZigBee channels. In this paper, we propose a cooperative channel control method designed to improve ZigBee's packet arrival rate. We propose a method that controls not only ZigBee devices and channels but also requests a temporary pause in the use of specific WiFi channels. Finally, we show the effectiveness of the proposed method using computer simulations.