Run time compression method for a vehicle communication bus
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United States of America Patent
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Dec 22, 2015
Issued Date -
N/A
app pub date -
May 16, 2014
filing date -
May 16, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A method for run time zero byte compression of data on a communication bus of a vehicle includes determining a number of zero byt.es provided in a data frame. When there are enough zero bytes, an encoding byte is generated that maps the locations of the zero bytes in the data frame. A data length code related to the number of non-zero data bytes and the encoding byte is provided in a device header. The data length code has a value less than an uncompressed data frame. The compressed data frame is transmitted with the encoding byte and the uncompressed non-zero data bytes. To decompress the compressed data frame, the encoding byte maps the locations of the zero bytes for a data frame. The non-zero data bytes are then provided at the proper locations to recreate the data frame.
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International Classification(s)
- B60K:ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF ....
- H03M:CODING, DECODING OR CODE CONVERSION, IN GENERAL
- B60G:VEHICLE SUSPENSION ARRANGEMENTS
- B60W:CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT....
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- G01C:MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING....
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