Data transmitter and data receiver with low latency for the telegram splitting transfer method

Patent metadata

Field	Value
Publication number	US-11909519-B2
Application number	US-202016868272-A
Country	US
Kind code	B2
Filing date	May 6, 2020
Priority date	Nov 10, 2017
Publication date	Feb 20, 2024
Grant date	Feb 20, 2024

Abstract

Embodiments provide transfer methods. The method includes a step of transferring data of a first class from a data transmitter to a data receiver, wherein the data of the first class is transferred divided onto a first plurality of sub-data packets using a first hopping pattern. Furthermore, the method includes a step of transferring data of a second class from the data transmitter or a different data transmitter to the data receiver, wherein the data of the second class is transferred divided onto a second plurality of sub-data packets using a second hopping pattern, wherein transmission pauses between sub-data packets transferred according to the first hopping pattern are smaller than transmission pauses between sub-data packets transferred according to the second hopping pattern.

First claim

The invention claimed is:

1. A communication apparatus, comprising:
a data transceiver comprising one or more processors or electronic circuits, wherein the data transceiver is configured to divide data of a first class onto a first plurality of sub-data packets and to transmit the first plurality of sub-data packets using a first hopping pattern, wherein the data transceiver is configured to divide data of a second class onto a second plurality of sub-data packets and to transmit the second plurality of sub-data packets using a second hopping pattern,
wherein transmission pauses between sub-data packets transmitted according to the first hopping pattern are smaller than transmission pauses between sub-data packets transmitted according to the second hopping pattern, and/or wherein sub-data packets transmitted according to the first hopping pattern are shorter than sub-data packets transmitted according to the second hopping pattern.

2. The communication apparatus according to claim 1 , wherein the data of the first class comprises a higher priority and/or higher requirements as to a maximum transfer duration than the data of the second class.

3. The communication apparatus according to claim 1 , the data transceiver is configured to divide data of a third class onto a third plurality of sub-data packets and to transmit the third plurality of sub-data packets using a third hopping pattern;
wherein the transmission pauses between the sub-data packets transmitted according to the second hopping pattern are smaller than transmission pauses between sub-data packets transmitted according to the third hopping pattern.

4. The communication apparatus according to claim 3 , wherein the data of the second class comprises a higher priority and/or higher requirements as to a maximum transfer duration than the data of the third class.

5. The communication apparatus according to claim 1 , wherein the data transceiver is configured to divide the data of the first class or a first data packet comprising the data of the first class onto the first plurality of sub-data packets such that each of the first plurality of sub-data packets comprises only a part of the data of the first class or of the first data packet, wherein the data transceiver is configured to divide the data of the second class or a second data packet comprising the data of the second class onto the second plurality of sub-data packets such that each of the second plurality of sub-data packets only comprises a part of the data of the second class or of the second data packet.

6. The communication apparatus according to claim 1 , wherein the first plurality of sub-data packets comprises fewer sub-data packets than the second plurality of sub-data packets.

7. The communication apparatus according to claim 1 , wherein the data transceiver is configured to transmit the data of the first class with a higher data rate or a different modulation method than the data of the second class.

8. The communication apparatus according to claim 1 , wherein the data transceiver is configured, upon transmitting the data of the first class, to receive from a data receiver an acknowledgement of receipt signalizing a successful receipt of the data of the first class.

9. The communication apparatus according to claim 8 , wherein the data transceiver is configured to receive from the data receiver the acknowledgement of receipt temporally overlapping to the emission of:
the data of the first class using the first hopping pattern,
or the data of the second class using the second hopping pattern,
so that at least one sub-data packet transmitted according to the respective hopping pattern is arranged between two sub-data packets of a hopping pattern with which the acknowledgement of receipt of the data receiver is emitted.

10. The communication apparatus according to claim 1 , wherein the data transceiver is configured to channel-encode the data of the first class and transmit the channel-encoded data using the first hopping pattern, wherein the data transceiver is configured to distribute the channel-encoded data of the first class onto the first plurality of sub-data packets such that, in a faultless transfer, only a first group of sub-data packets is needed to successfully decode the data of the first class, and such that, in a faulty transfer, a higher coding gain is achieved through a combination of the first group of sub-data packets and a second group of sub-data packets, wherein the first group of sub-data packets is transmitted temporally before the second group of sub-data packets.

11. The communication apparatus according to claim 1 , wherein the data of the first class comprises core information and extension information, wherein the data transceiver is configured to divide the data of the first class onto the first plurality of sub-data packets such that as first group of sub-data packets comprises the core information and a second group of sub-data packets comprises the extension information, wherein the first group of sub-data packets is transmitted temporally before the second group of sub-data packets.

12. The communication apparatus according to claim 1 , wherein the data transceiver is configured to calculate the first hopping pattern using address information of the data transmitter or information derived therefrom so that the first hopping pattern itself identifies the data transmitter.

13. The communication apparatus according to claim 12 , wherein the data transceiver is configured to calculate the first hopping pattern using time-dependent or event-dependent information of the data transmitter.

14. The communication apparatus according to claim 12 , wherein the data transceiver is configured to transmit encoded or encrypted information about the first hopping pattern in advance to a data receiver.

15. The communication apparatus according to claim 1 , wherein the first hopping pattern is assigned to the data receiver by a base station.

16. The communication apparatus according to claim 1 , wherein the data transceiver is configured to acquire, from a base station of a communication network, short address information that is shorter than address information unambiguously identifying the data transmitter within the communication network and to use the short address information when emitting with the first hopping pattern.

17. The communication apparatus according to claim 1 , wherein the first hopping pattern is assigned to the data transmitter by a base station according to frequency of use and/or a priority.

18. The communication apparatus according to claim 17 , wherein the data transceiver is configured to distribute the channel-encoded data of the first class onto the first plurality of sub-data packets such that, in a faulty transfer, a higher coding gain is achieved through a combination of the first group of sub-data packets and the second group of sub-data packets.

19. The communication apparatus according to claim 1 , wherein the first hopping pattern comprises a plurality of sub-hopping patterns that are time-shifted and/or frequency-shifted versions of each other;
wherein the data transceiver is configured to transmit the first plurality of sub-data packets according to the plurality of sub-hopping patterns;
wherein the plurality of sub-hopping patterns are interleaved in each other such that sub-data packets assigned to different sub-hopping patterns are alternately transmitted.

20. A communication apparatus, comprising:
a data transceiver comprising one or more proc

Assignees

• Fraunhofer Ges Forschung

Inventors

• Kilian Gerd
• Bernhard Josef
• Rohmer Guenter
• Roth Maximilian
• Nachtrab Frank
• Kneissl Jakob
• Wechsler Johannes
• Schlicht Michael
• Meyer Raimund
• Obernosterer Frank

Classifications

• H04L1/0018 Primary

  based on latency requirement · CPC title

• H04L1/0003

  by switching between different modulation schemes · CPC title

• H04L1/0007

  by modifying the frame length · CPC title

• H04L1/0009

  by adapting the channel coding (H04L1/1812 takes precedence) · CPC title

• H04L1/1854

  Scheduling and prioritising arrangements · CPC title