摘要 |
A radio beacon and a method for selective radio communication with a first onboard unit and a second onboard unit, in which a sequence of first data packet is transmitted to the first onboard unit in a first frequency band in accordance with 5.8 GHz DSRC standards, a sequence of second data packet is transmitted or received to/from the second onboard unit in accordance with 5.9 GHz DSRC standards, wherein the transmission of a data packet of the sequence of first data packet is delayed by the duration of the second data packet if the second data packet appears in the second frequency band.
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