Experimental Study on Coexistence of IEEE 802.11b and IEEE 802.15.4

Perpetue C. Cadet, Leford G. Green, Corey Jenkins, Jr., Timothy Prince, Jr.


Due to the new advances in wireless technology, more and more consumers are using wireless devices in daily life. Though wireless devices are easy to carry and convenient to use, the users might experience bad quality of service due to interference and noise. The major source of the interference and noise are other wireless equipments within close physical proximity using the same or different wireless technology. For example, a laptop using Wi-Fi can interfere with a cell phone using the Bluetooth if they are located close to one another. In this research project, we used the Sun’s Small Programmable Object and wireless laptops and conducted a wide range of experiments. By changing the power level, data rate, distance, communication channels, and other parameters, we studied how the IEEE 802.15.4 and the IEEE 802.11b technologies interfere with each other. Based on the experiment result, we proposed solutions for reducing the interference between these two technologies.


IEEE 802.15.4, IEEE 802.11b, interference

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