Method and device for data transmission

A data transmission, data technology, applied in the field of data transmission

Active Publication Date: 2021-10-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides a data transmission method and device to solve the problem that one transmission spans two time units, which can improve communication efficiency

Method used

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  • Method and device for data transmission
  • Method and device for data transmission
  • Method and device for data transmission

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Embodiment Construction

[0045] In order to make the purpose, technical solutions and advantages of the application clearer, the application will be further described in detail below in conjunction with the accompanying drawings. The specific operation methods in the method embodiments can also be applied to the device embodiments or system embodiments. Wherein, in the description of the present application, unless otherwise specified, the meaning of "plurality" is two or more.

[0046] Such as figure 1 As shown in , it is a schematic diagram of a possible network architecture applicable to this application, including network devices and at least one terminal device. The network device and the terminal device can work on a new radio (new radio, NR) communication system, and the terminal device can communicate with the network device through the NR communication system. The network device and the terminal device may also work on other communication systems, which is not limited in this embodiment of ...

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Abstract

The present application provides a data transmission method and device. The method includes: the communication device determines the use mode of at least one group of orphan symbols in a time unit, the use mode is one of data transmission, DMRS transmission, HARQ transmission, or no transmission, and the communication device according to the use mode, Data transmission takes place on this time unit. Among them, the method of determining a group of orphan symbols includes: the network device notifies the terminal device of a group of orphan symbols; The magnitude relationship of values ​​determines how a set of orphaned symbols is determined. Based on this scheme, on the premise of not increasing or even reducing the delay, taking into account both efficiency and delay, the rational use of orphan symbols is realized, and the problem that one transmission spans two time units is solved, which helps to improve communication efficiency.

Description

technical field [0001] The present application relates to the technical field of mobile communication, and in particular to a data transmission method and device. Background technique [0002] In order to cope with the explosive growth of mobile data traffic in the future, the connection of massive mobile communication devices, and the emergence of various new services and application scenarios, the 5th generation (5G) mobile communication system has emerged as the times require. [0003] In some application scenarios, the business has high requirements on the reliability of data transmission. In order to meet the reliable transmission requirements of the business, the current solution is: the sender sends the data once transmitted repeatedly, that is, multiple transmissions are the same data, so that the success rate of receiving the data at the receiving end can be improved, wherein, one transmission occupies n symbols, and n is an integer greater than 1. [0004] Based o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04L27/26
CPCH04L1/0006H04L1/0015H04L1/0018H04L27/2602H04L1/00H04L27/26H04W72/04
Inventor 温容慧余政王俊伟张兴炜
Owner HUAWEI TECH CO LTD
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