Data Fragmentation Scheme With Block ACK in Wireless Sensor Networks

Reduction of power consumption and network's life expansion are crucial for a Wireless Sensor Network (WSN). This is typically performed by introducing low duty cycle in a sensor node. A special challenge in WSNs is transmission of a large amount of data, like images and video, that is becoming more and more required in various applications. A wireless network is very much prone to communication errors. Thus, for the efficient design, the large data messages are broken down into smaller fragments and those smaller fragments are transmitted. But this approach introduces the burden of exchanging redundant control packets increasing the energy consumption and the transmission delay.

Provided by: Institute of Electrical and Electronics Engineers Topic: Mobility Date Added: May 2011 Format: PDF

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