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Data transmission method and device

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

Active Publication Date: 2020-10-09
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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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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  • Data transmission method and device
  • Data transmission method and device

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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 invention provides a data transmission method and device. The method comprises the following steps that communication equipment determines the use mode of at least one group of orphan symbols in atime unit, the use mode is one selected from data transmission, DMRS transmission, HARQ transmission or no transmission, and the communication equipment performs data transmission on the time unit according to the use mode. The mode of determining the group of orphan symbols comprises the mode that the network equipment informs the terminal equipment of the group of orphan symbols, or the networkequipment and the terminal equipment determine the mode of the group of orphan symbols according to the number of symbols transmitted at a time and the size relation between the ratio of the number of the group of orphan symbols and a threshold value. Based on the scheme, on the premise of not increasing the time delay and even reducing the time delay, the efficiency and the time delay are both considered, the reasonable use of the orphan symbols is realized, the problem that one-time transmission spans two time units is solved, and the improvement of the communication efficiency is facilitated.

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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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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