Patent ID: 9219499
Filing Date: 2015-12-22
Classification: B60G,B60K,B60W,G01C,G06F,H03M

Abstract:
1. A method for run time zero byte compression of data for transmission over a communication bus for a vehicle, the method being executed on an electronic control unit connected to the communication bus, the method comprising the steps of: obtaining a data frame; determining a number of zero bytes provided in a set of data bytes of the data frame; determining if there are enough zero bytes in the set of data bytes for data compression; when there are enough zero bytes for data compression, generating an encoding byte indicating locations in the data frame of zero bytes; providing a data length code dependent on a number of non-zero data bytes in the data frame and the encoding byte, the data length code provided in a device header, the device header including a data message identifier; and forming and transmitting a compressed data frame including the encoding byte and the non-zero data bytes, wherein the compressed data frame has less bytes of data than an uncompressed data frame.