Method and Apparatus for Wireless Transmission of Data Packets
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Abstract
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 consisting of a predetermined number of preamble symbols, and wherein during a first operating mode, each preamble-subsymbol of a preamble symbol in the preamble is coded by the phase angle of a transmitted single signal pulse, during a second operating mode to increase the signal recognition performance, for the preamble which is transmitted in the data packet, a signal pulse sequence for coding the preamble-subsymbol is transmitted instead of a single signal pulse, where the single signal pulse within the signal pulse sequence is transmitted repeatedly.
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Citations
31 Claims
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1-15. -15. (canceled)
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16. A method for wireless transmission of data packets between network nodes of a control network, the data packets each having a preamble for synchronization consisting of a predetermined number of preamble symbols, the method comprising the steps of:
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coding each preamble subsymbol of a preamble symbol in the preamble by a phase angle of a transmitted single signal pulse during a first operating mode; and transmitting a signal pulse sequence for coding the preamble subsymbol instead of a single signal pulse during a second operating mode such that the single signal pulse is transmitted repeatedly within the single pulse sequence to increase a signal recognition performance for the preamble which is transmitted in a data packet. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A wireless control network, comprising:
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network nodes configured to transmit data packets; wherein the data packets each include a preamble for synchronization consisting of a predetermined number of preamble symbols; wherein each preamble subsymbol of a preamble symbol in the preamble for synchronization is coded by a phase angle of a transmitted single signal pulse during a first operating mode; and wherein a signal pulse sequence for coding the preamble subsymbol is transmitted during a second operating mode instead of a single signal pulse such that the single signal pulse is transmitted repeatedly within the single pulse sequence to increase a signal recognition performance for the preamble for synchronization which is transmitted in the data packet.
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Specification