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Data transmission method, client device and server device

A data transmission method and client device technology, applied in the field of data transmission, can solve the problems that the data transmission method cannot meet the low-latency requirements, the business cannot be carried out smoothly, and the impact is large

Inactive Publication Date: 2017-01-18
ZTE CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

According to the existing subframe structure, the uplink subframe can only perform uplink transmission. If the base station also has downlink transmission to send in subframe #4, there is no available subframe resource to send, because subframe #4 passes through subframe #0 The uplink scheduling information is determined to be used for uplink transmission. Since the following three consecutive subframes are also scheduled for uplink transmission in advance, the base station must wait until subframe #8 to have resources to send. In this way, for delay-sensitive downlink In terms of business, the impact is greater
Therefore, the existing data transmission methods cannot meet the low-latency requirements, so that services with low-latency requirements cannot be carried out smoothly

Method used

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  • Data transmission method, client device and server device
  • Data transmission method, client device and server device
  • Data transmission method, client device and server device

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Embodiment Construction

[0203] In order to facilitate the understanding of those skilled in the art, the present invention will be further described below in conjunction with the accompanying drawings, which cannot be used to limit the protection scope of the present invention. It should be noted that, in the case of no conflict, the embodiments in the present application and various manners in the embodiments can be combined with each other.

[0204] see Image 6 , the present invention proposes a data transmission method, as shown in the figure, the method includes:

[0205] Step 110, receiving first downlink control information related to uplink transmission.

[0206] First downlink control information related to uplink transmission, that is, uplink scheduling information. According to the scheduling of the first downlink control information, the terminal will perform uplink transmission on subframe n.

[0207] Wherein, the base station sends the first downlink control information related to up...

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Abstract

The invention provides a data transmission method, a client device and a server device. The method comprises the steps that first downlink control information related to uplink transmission is received; the indication information of uplink and downlink transmission areas is acquired; according to received first downlink control information and the acquired indication information of uplink and downlink transmission areas, uplink transmission is carried out in the uplink transmission area of a subframe n; and downlink receiving is carried out in the downlink transmission area of the subframe n, where n is an integer. According to the scheme, in the pre-scheduled subframe used for uplink transmission, the downlink transmission area used for downlink transmission is also included; when downlink transmission is required, a downlink service can be transmitted in time in the downlink transmission area; and based on the existing LTE framework, the low delay data transmission scheme is realized to meet the requirements of a low delay service.

Description

technical field [0001] The invention relates to the technical field of data transmission, in particular to a data transmission method, a client device and a server device. Background technique [0002] In the Long Term Evolution (LTE) system, data transmission takes a subframe as a unit. The subframe of the LTE system takes 1 ms as the unit in the time domain, and 10 subframes form an LTE wireless frame. The LTE wireless frame structure is as follows: figure 1 shown. [0003] Generally speaking, there are three types of subframes in the LTE system, one is a downlink subframe, one is an uplink subframe, and the other is a special subframe. Introduce them separately below. [0004] Wherein, in the existing downlink subframe structure, all time-frequency resources of the subframe are used for downlink transmission. [0005] see Figure 2A , Figure 2B with Figure 2C , respectively give a schematic diagram of an existing downlink subframe structure. [0006] Such as F...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04L5/00
CPCH04L5/0048H04W72/21H04W72/23H04L5/0007H04L5/0092H04L5/1469H04W72/0446H04W72/1268H04W74/08
Inventor 梁春丽戴博
Owner ZTE CORP
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