Data transmission method and device

A data transmission method and data technology, applied in the field of communication, can solve the problem of low transmission efficiency of scheduling schemes, achieve the effects of promoting low delay and high reliability, improving reliability, and solving low transmission efficiency

Inactive Publication Date: 2019-01-04
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Embodiments of the present invention provide a data transmission method and device to at least solve the technical problem of low transmission efficiency of scheduling schemes in the related art

Method used

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  • Data transmission method and device

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Embodiment 1

[0057] In this embodiment, a data transmission method is provided, figure 1 is a flowchart of a data transmission method according to an embodiment of the present invention, such as figure 1 As shown, the process includes the following steps:

[0058] Step S102, configuring the same group identifier for M terminals;

[0059] Step S104, sending group scheduling indication information according to the group identifier, the group scheduling indication information includes scheduling indication information of N terminals; where N≥1, M≥max(2,N).

[0060] Through the above steps, configure the same group ID for M terminals; send group scheduling indication information according to the group ID, and the group scheduling indication information includes scheduling indication information for N terminals; where N≥1, M≥max(2,N) . The scheduling scheme based on terminal groups greatly reduces the resource overhead of control channels, improves the reliability of control information, ens...

Embodiment 2

[0105] In this embodiment, a data transmission device is also provided, which is used to implement the above embodiments and preferred implementation manners, and what has been described will not be repeated here. As used below, the term "module" may be a combination of software and / or hardware that realizes a predetermined function. Although the devices described in the following embodiments are preferably implemented in software, implementations in hardware, or a combination of software and hardware are also possible and contemplated.

[0106] image 3 is a structural block diagram of a data transmission device according to an embodiment of the present invention, which is applied on the network side, such as image 3 As shown, the device includes:

[0107] The configuration module 30 is configured to configure the same group identifier for the M terminals;

[0108] The sending module 32 is configured to send group scheduling indication information according to the group i...

Embodiment 3

[0117] This embodiment provides a wireless resource scheduling method based on group control information (equivalent to the group scheduling indication information in the above embodiments), which is applicable to technical scenarios with low latency and high reliability or massive links.

[0118] In order to further shorten the time delay and improve the transmission reliability, this embodiment improves the scheduling technology in the related technology and adopts the downlink scheduling scheme based on the group control information, which greatly reduces the resource overhead of the control channel and improves the resource efficiency. The reliability of control information ensures the reliability of data transmission, reduces transmission delay, and further promotes the realization of low-latency and high-reliability technical indicators.

[0119] This embodiment includes two examples, specifically as follows:

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Abstract

The present invention provides a data transmission method and device. The method includes the following steps that: the same group identifier is configured for M terminals, wherein M is larger than orequal to max (2,N); and group scheduling indication information is sent according to the group identifier, wherein the group scheduling indication information contains the scheduling indication information of N terminals, wherein N is larger than or equal to 1. With the data transmission method and device of the present invention adopted, the technical problem of low transmission efficiency of ascheduling scheme in the prior art can be solved.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a data transmission method and device. Background technique [0002] Facing the future, mobile Internet and Internet of Things services will become the main driving force for the development of mobile communications. 5G will meet people's diversified business needs in various areas such as clothing, food, housing and transportation, and 5G will penetrate into the Internet of Things and various industries, and deeply integrate with industrial facilities, medical equipment, transportation, etc. Diversified business needs of vertical industries to realize the true "Internet of Everything". [0003] "Low latency and high reliability" is an important technical scenario for 5G. This scenario is mainly for the special application requirements of vertical industries such as Internet of Vehicles and industrial control. Such applications have extremely high requirements for latency and...

Claims

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Application Information

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IPC IPC(8): H04W72/12
CPCH04W72/20H04W72/04H04W72/12
Inventor 韩祥辉刘婷戴曼费泽松夏树强
Owner ZTE CORP
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