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Data transmission method and device

A technology of a data transmission device and a data transmission method, applied in the field of communication, can solve the problems of large feedback time interval and the like

Active Publication Date: 2020-11-03
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The embodiment of the present invention provides a data transmission method and device to at least solve the problem of relatively large feedback time interval after data transmission in the related art

Method used

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  • Data transmission method and device

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specific Embodiment 1

[0108] Figure 5 It is a schematic diagram of a specific structure of a specific embodiment of the present invention. The sending end divides the time domain into several scheduling repetition periods, and configures several scheduling triggering opportunities within the scheduling repetition period (or understands that a scheduling triggering opportunity is equivalent to the next triggering opportunity) For a scheduling unit, that is, a scheduling repetition period (or called a scheduling period, or a pre-scheduling period) includes several scheduling units, and a scheduling unit may also be called a time interval (time interval)). The sending end sends information such as the size and starting position of the scheduling repetition period to the receiving end. For example, the size of the scheduling repetition period is configured as 4 scheduling units (a scheduling unit includes 14 Orthogonal Frequency Division Multiplexing (Orthogonal Frequency Division Multiplexing, referre...

specific Embodiment 2

[0114] Based on the specific embodiment 1, in this specific embodiment, it is agreed that the scheduling repetition period transmission mode is service-level. For example, for services requiring low delay, data transmission (for example, uplink data) must be performed in this scheduling repetition mode. At this time, for the receiving end that has such low-latency service requirements, it needs to be processed according to the above-mentioned implementation manner of the receiving end.

specific Embodiment 3

[0116] Based on the specific embodiment 1, in the specific embodiment 3, it is agreed that the transmission mode of the scheduling repetition period is at the UE level. For example, according to the transmission requirements of the UE, the base station may configure the transmission mode as data transmission for the UE supporting the scheduling repetition period transmission mode. At this time, the UE configured with the transmission mode of the scheduling repetition period needs to perform data transmission processing according to the processing mode of the receiving end in the above-mentioned specific embodiment 1.

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Abstract

The present invention provides a data transmission method and device. The method includes: the sending end sends the configuration information of the scheduling repetition period, wherein the configuration information of the scheduling repetition period is used to instruct the receiving end to prepare the data to be sent according to the configuration information of the scheduling repetition period. Data; the sending end receives the data to be sent sent by the receiving end. Through the present invention, the problem of relatively large feedback time interval after data transmission in the related art can be solved, and the effects of shortening the data transmission time interval and improving data transmission efficiency can be achieved.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a data transmission method and device. Background technique [0002] With the continuous advancement of radio technology, a large number of various radio services have emerged, and the spectrum resources on which radio services rely are limited. Facing the continuous increase in people's demand for bandwidth, traditional commercial communications mainly use 300MHz~3GHz Spectrum resources are extremely tense, which cannot meet the needs of future wireless communications. [0003] The new generation of mobile communication system (new radio, referred to as NR) will carry out system networking on a carrier frequency higher than that used by 2G, 3G, and 4G systems. At present, the frequency band widely recognized by the industry and recognized by international organizations is mainly 3GHz ~6GHz, 6GHz~100GHz, this frequency band basically belongs to the centimeter wave band and the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/12H04W72/14
CPCH04W72/21H04W72/23H04W72/231H04W76/27H04L5/0007H04L5/0048H04W72/0446
Inventor 苟伟毕峰郝鹏
Owner ZTE CORP