| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce jump of a positioning position resulting from communication delay and reception omission in a communication system for transmitting and receiving pieces of data on latitude and longitude with high resolution via a communication network.SOLUTION: A transmission unit 3 sections latitude and longitude data positioned by a GPS receiver 2 at a predetermined digit position, and divides the data into upper data and lower data on latitude, and upper data and lower data on longitude. Then, an upper frame obtained by integrating the respective pieces of upper data on the latitude and the longitude into one, and a lower frame obtained by integrating the respective pieces of lower data on the latitude and the longitude into one are generated, and transmitted to a CAN bus 6 via separate transmission units. A reception unit 4 synthesizes the upper data with the lower data on the latitude from the upper frame and the lower frame received from the transmission unit 3, and restores the latitude data. In addition, the upper data with the lower data on the longitude, and restores the longitude data. The reception unit 4 outputs the restored latitude data and longitude data to a vehicle control part 5.</p> |
