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A data transmission method, device and system

A data transmission method and data technology, applied in digital transmission systems, transmission systems, error prevention, etc., can solve problems such as waste of transmission resources

Active Publication Date: 2021-02-23
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when all the data to be transmitted are decoded correctly, the transmission of the above-mentioned verification information causes a waste of transmission resources

Method used

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  • A data transmission method, device and system
  • A data transmission method, device and system
  • A data transmission method, device and system

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Embodiment Construction

[0046] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application.

[0047]The network architecture and business scenarios described in the embodiments of the present application are for more clearly illustrating the technical solutions of the embodiments of the present application, and do not constitute limitations on the technical solutions provided by the embodiments of the present application. The evolution of the technology and the emergence of new business scenarios, the technical solutions provided in the embodiments of this application are also applicable to similar technical problems.

[0048] The technology described in this application can be applied to LTE (Long Term Evolution, long-term evolution) system and subsequent evolution systems such as 5G (the 5th Generation mobile communication, fifth generation mobile communication), et...

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Abstract

The present application relates to the technical field of wireless communication, and in particular to a data transmission method, device and system in a wireless communication system. The present application provides a data transmission method. The data sending device receives first indication information, wherein the first indication information is used to indicate the decoding state of the first data and / or indicate the sending of the second data; the data sending device Sending the second data to the data receiving device, wherein the second data is generated by encoding the previously transmitted first data. The purpose of this application is to separate the transmission of the verification data and the business data, that is, to realize the error correction of the business data when there is an error in the business data transmission, and to reduce the waste of resources that may be caused by the simultaneous transmission of the verification information and the business data.

Description

technical field [0001] The present application relates to the technical field of wireless communication, and in particular to a data transmission method, device and system in a wireless communication system. Background technique [0002] In wireless communication systems, due to interference and fading in wireless channels, errors will inevitably occur during signal transmission. Channel coding is the most common technical means to improve transmission reliability. In the prior art, the data to be transmitted at one time is usually divided into one or more coding blocks, channel coding is performed on different coding blocks, and one or more coding blocks that have undergone channel coding are concatenated and then sent. [0003] Due to the different characteristics of interference or fading in the wireless channel, or the possible preemption behavior of services of different priorities in the communication system (for example, some high-priority service data can preempt par...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L1/16H04L1/18
CPCH04L1/0057H04L1/1607H04L1/1812H04L1/00
Inventor 张屹张鹏
Owner HUAWEI TECH CO LTD