Browse Publications Technical Papers 2006-01-1327
2006-04-03

An Improved Adaptive Data Reduction Protocol for In-Vehicle Networks 2006-01-1327

The demand for drive-by-wire, pre-crash warning and many other new features will require high bandwidth from the future in-vehicle networks. One way to satisfy the high bandwidth requirement of future vehicles is to use a higher bandwidth bus or multiple busses. However, the use of a higher bandwidth bus will increase the cost of the network. Similarly, the use of multiple buses will increase cost as well as the complexity of wiring. Thus, neither option is a viable solution. Another option could be the development of a higher layer protocol to reduce the amount of data to be transferred. The higher layer protocol could be acceptable provided it does not increase the message latencies. The cost of implementing the protocol will be marginal because it can be done by making changes in software. Various data reduction protocols are available in the literature. We have made changes in the existing data reduction protocols to improve the performance of the protocol. Our paper will explain the improved protocol in detail and compare its performance with that of other protocols. The performance of our protocol will be shown in terms of message latency, message throughput and bus utilization.

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