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Efficient Image Transmission Schemes over Zigbee-Based Image Sensor Networks

机译:基于Zigbee的图像传感器网络上的高效图像传输方案

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摘要

Image transmission is one of the biggest challenges in wireless sensor networks because of the limited resource on sensor nodes. We proposed two image transmission schemes driven by reliability and real time considerations in order to transfer JPEG images over Zigbee-based sensor networks. By adding two bytes counter in the header of data packet, we can easily solve the repeated data reception problem caused by retransmission mechanism in traditional Zigbees network layer. We proposed an efficient retransmission and acknowledgment mechanism in Zigbees application layer. By classifying different data reception response events, we can provide data packets with differential responses and ensure that image packets can be transferred quickly even with large maximum number of retransmission. Practical results show the effectiveness of our solutions to make image transmission over Zigbee-based sensor networks efficient.
机译:由于传感器节点上的资源有限,图像传输是无线传感器网络中的最大挑战之一。为了在基于Zigbee的传感器网络上传输JPEG图像,我们提出了两种基于可靠性和实时性考虑的图像传输方案。通过在数据包的报头中添加两个字节的计数器,可以轻松解决传统Zigbees网络层中由于重传机制引起的重复数据接收问题。我们在Zigbees应用层中提出了一种有效的重传和确认机制。通过对不同的数据接收响应事件进行分类,我们可以为数据包提供不同的响应,并确保即使最大重传次数也可以快速传输图像包。实际结果表明,我们的解决方案有效地提高了基于Zigbee的传感器网络上图像传输的效率。

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