Abstract
The voice communication is an important application in WSNs. The weakness and limitations of the communication distance of traditional systems are the main challenge, especially in complex underground (UG) environment. We provide a voice communication system named HD2UB, which adopts CML's CMX618 for voice data collection and forward error correction coding, TI's CC2530 for ZigBee network formation and voice data transmission. We assess the system from the perspective of Point to Point (P2P),End to End(E2E) and energy. The result shows that the HD2UB ensures voice quality in complex ZigBee network with higher integration and lower power consumption when compared with the existed ZigBee voice system.
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