High speed reliable data transmission of sensor network

摘要

We investigate the characteristic features of data transmission in sensor networks. According to these features, a three-layer model appropriate for sensor networks was obtained by simplifying the OSI seven-layer model. Using this simplified model, a high-speed reliable transmission protocol was presented. Transmission efficiency is improved by optimizing the hardware-driver and simplifying the API functions and reliable transmission is realized through the serial number and request-response mechanism. This protocol provides higher transmission efficiency under the precondition of transmission reliability comparing with TCP/IP protocol. Our experiments showed that the optimized protocol has greatly improved the network utilization than TCP/IP and achieved a reliable transfer speed up to 920Mbps.