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Data transmission method, data transmission device, network equipment and terminal

A data transmission method and a technology of a data transmission device, which are applied in the field of communication and can solve problems such as resource conflicts

Inactive Publication Date: 2017-11-03
MEIZU TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the terminal switches from the 4ms delay mode to the (4-l)ms delay mode, the feedback ACK / NACK message of the data received in the adjacent downlink subframe may cause resource conflict

Method used

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  • Data transmission method, data transmission device, network equipment and terminal
  • Data transmission method, data transmission device, network equipment and terminal
  • Data transmission method, data transmission device, network equipment and terminal

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Embodiment Construction

[0041] In order to have a clearer understanding of the above objects, features and advantages of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0042] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

[0043] figure 1 A schematic flowchart of a data transmission method applied to a network side device according to an embodiment of the present invention is shown.

[0044] Such as figure 1 As shown,...

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Abstract

The invention provides a data transmission method, a data transmission device, network equipment and a terminal. The data transmission method is applied to the network equipment, and comprises the steps of using a first time delay mode to send first downlink data to the terminal on a downlink sub-frame n, wherein the number of a first control channel unit carrying downlink control information corresponding to the first downlink data is a first value; when the terminal is determined to be switched to a second time delay mode from the first time delay mode, sending second downlink data to the terminal by using the second time delay mode on the downlink sub-frame n+1; and carrying the downlink control information corresponding to the second downlink data at a physical downlink control channel resource of which the number of an occupied first control channel unit is a second value, wherein the second value is not equal to the first value. According to the technical scheme of the method provided by the invention, HARQ ACK / NACK feedback resource conflict can be effectively avoided.

Description

technical field [0001] The present invention relates to the technical field of communication, and in particular, to a data transmission method, a data transmission device, a network side device and a terminal. Background technique [0002] With the development of the mobile Internet, a large number of application services satisfying various specific functions have emerged. Some of these services have lower requirements on data delay, such as sending and receiving emails, downloading movies, etc.; but some other services have strict requirements on data delay, such as online games, snapping up, grabbing red envelopes, etc. The delay of user data is required to be as short as possible. Regarding how to obtain a shorter user plane data delay, there are two main ideas in the current LTE (Long Term Evolution, long-term evolution) standard discussion: one way is to use a shorter TTI (Transmission Time Interval, transmission time interval), That is, the data sending and receiving...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04L5/00
CPCH04L1/0025H04L5/0055
Inventor 付婷
Owner MEIZU TECH CO LTD
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