Method and apparatus for wireless transmission of data packets

摘要

Method for wire-free transmission of data packets between network nodes in a control network, wherein the data packets each have a preamble for synchronization, which preamble consists of a predetermined number of preamble symbols; wherein, in a first operating mode (FIG. 5a), each preamble-subsymbol (Cj, Cj+1) of a preamble symbol in the preamble is coded by the phase angle of a transmitted single signal pulse; wherein, in a second operating mode (FIG. 5b), in order to increase the signal recognition performance, for the preamble which is transmitted in the data packet, a signal pulse sequence (SIF) for coding the preamble-subsymbol (Cj, Cj+1) is transmitted instead of a single signal pulse, in which signal pulse sequence (SIF) the single signal pulse is transmitted repeatedly.

主权项

1. A method for wireless transmission of data packets of a network node in a control network, wherein each data packet includes a preamble for synchronization that includes a predetermined number of preamble symbols, the method comprising:
in a first operating mode, coding each preamble subsymbol of a preamble symbol in the preamble of each transmitted data packet by the phase angle of a transmitted single signal pulse, in a second operating mode, coding the preamble subsymbol of a preamble symbol in the preamble of each transmitted packet by a signal pulse sequence in which the single signal pulse repeatedly, instead of using a single signal pulse, wherein the signal pulse sequence increases a signal recognition performance for the preambles of the transmitted data packets, and configuring the network node either the first operating mode or the second operating mode, or switching the network node between the first and second operating modes.