Data transmission method, device and system

A data transmission method and data technology, applied in the field of communication, can solve problems such as inability to complete data reception correctly, inability to complete data packet reordering, etc.

Active Publication Date: 2014-01-01
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology allows devices or systems switch between different modes for better efficiency while still being able to communicate with each other effectively without losing any important pieces of their signals during this transition period. It also includes an indicator on how well they receive these messages correctly even if some parts have been lost due to factors like interference or poor signal quality.

Problems solved by technology

The technical problem addressed in this patented text relates to improving the efficiency and reliability of establishing connections within networks like autonomous vehicles without compromising their performance under harsh environments. Specifically, there exist challenges associated with current methods used for connecting remote machines to each other due to slow speed and difficulty in transitionring between modes.

Method used

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  • Data transmission method, device and system
  • Data transmission method, device and system
  • Data transmission method, device and system

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Embodiment Construction

[0060] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0061] see Figure 4 , a data transmission method provided by an embodiment of the present invention, comprising the following steps:

[0062] S41, switching from the device-to-device D2D communication mode to the cellular (cell for short) communication mode;

[0063] S42. Encapsulate the unsuccessfully delivered data packet in the D2D communication into a cellular communication data packet, the encapsulated data packet includes indication information, and the indica

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Abstract

A data transmission method is disclosed in the present invention, which includes: switching from a Device to Device (D2D) communication mode to a cell communication mode; packaging a data package failed to be transmitted in the D2D communication to a cell communication package; the packaged data packet includes indication information; said indication information is used to indicate that said packaged data packet is the one failed to be transmitted in the D2D communication, and is the divided data packet of an origin D2D communication data packet, and the sequence of the divided data packet in the origin D2D communication data packet; sending the packaged data packet to a data receiving device, wherein, said indication information is used by said data receiving device to perform identification process for the data packet. A data sending device, a data receiving device and a data transmission system are also disclosed in the present invention. By applying the embodiments of the present invention, the lossless switching from the D2D communication mode to the cell communication mode is enabled, and the correct receiving of data is implemented.

Description

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Claims

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Application Information

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Owner HUAWEI TECH CO LTD
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