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A data transmission method and device

A data transmission method and a transmission time interval technology, which are applied in the field of communication and can solve problems such as uplink channel collisions

Active Publication Date: 2020-02-07
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The embodiment of the present invention provides a data transmission method and device to solve the problem of collision of uplink channels transmitted with different TTI lengths in the same time unit without a related solution in the prior art

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  • A data transmission method and device
  • A data transmission method and device
  • A data transmission method and device

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Embodiment Construction

[0193] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0194] The data transmission method in this embodiment is mainly applied to devices such as terminals and base stations, and of course, other devices may also be used, which is not limited in this application. This embodiment is mainly described in detail by taking the application to a terminal as an example. When it is applied to a base station, the corresponding sending behavior of the terminal is the receiving behavior of the base sta...

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Abstract

The invention discloses a data transmission method and device, which are used to solve the problem of collision of uplink channels transmitted with different TTI lengths in the same time unit without a relevant solution in the prior art. The method is: determine that in the time unit i there is a first uplink channel transmitted using the length of the first transmission time interval TTI and a second uplink channel transmitted using the length of the second transmission time interval TTI, the first uplink channel and the first uplink channel Two uplink channels overlap in time; obtain a time node at which it is determined that the second uplink channel exists in the time unit i; and / or obtain the second uplink channel and the first uplink channel in the time unit i An overlapping symbol position of an uplink channel; based on the time node and / or the overlapping symbol position, determine the uplink channel to be transmitted in the time unit i and perform the transmission.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data transmission method and device. Background technique [0002] With the development and change of mobile communication service requirements, many organizations such as the International Telecommunication Union have defined higher user plane delay performance requirements for future mobile communication systems. One of the main methods for shortening user delay performance is to reduce the length of Transmission Time Interval (TTI, Transmission Time Interval), that is, to support short TTI (sTTI, short TTI) transmission. A typical working method of short TTI transmission is to include multiple sTTI transmissions shorter than 1ms in the subframe structure defined in the existing LTE mechanism, such as 2-symbol or 3-symbol or 4-symbol or 7-symbol transmission, Of course, other sTTI transmissions with a length shorter than 1 ms are not excluded. Uplink supports...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/10H04W72/12H04L5/00
CPCH04L5/0048H04L5/0053H04W72/0446H04W72/1268H04W72/56H04L5/00H04W72/00H04W72/04H04W72/12
Inventor 高雪娟潘学明
Owner DATANG MOBILE COMM EQUIP CO LTD