Voice communication based on ZigBee wireless sensor networks

Voice communication is the main part of wireless communication. ZigBee is a new wireless network technology, which includes low-rate, low-cost, low-energy consumption, and short distance. Although it is not designed for voice communication, its 250kbps bandwidth is enough to support the voice communication. In this paper, we achieve wireless real-time voice communication based on AMBE-1000, CC2530, and TI-Zstack protocol. We have five nodes, of which one is coordinator, one is end device, and the other three are routers. These five nodes constitute the wireless voice communication system. The system can be used in underground coal-mine equipment, earthquake disaster relief, fire fight rescue, etc.

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