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In this paper, the packet error rate of Zigbee under the interference of multiple Bluetooth networks is analyzed. The analytic model for the coexistence between ZigBee network and a Bluetooth network is presented, where the acknowledgement packets are considered. A numerical method is used for the interference of the multiple Bluetooth networks. The Packet Error Rate (PER) is used for the performance measure. The PER is obtained from the Bit Error Rate (BER) and the collision time. The BER is obtained from signal to noise and interference ratio. The simulation results are shown to validate the analysis.
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