Abstract
Wireless image sensor networks acquire and transmit image data through self-organized method. Considering processing ability, energy consumption and cost, this paper implements a practical image sensor node with low-power sleeping mechanism in order to achieve image data's gathering, processing and transmission. To ensure transmission reliability of image data in wireless channel, this paper improves the weakness of retransmission mechanism in traditional Zigbee protocol, and proposes an efficient Zigbee-based retransmission and acknowledgment mechanism. Experimental results show the relationships among the total retransmission time, packet loss rate and the maximum number of retransmission.
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