A data transmission method, device, electronic equipment and medium

A data transmission method and data technology, applied in the field of communication, can solve the problems of reducing the possibility of a receiving terminal successfully receiving data, reducing transmission reliability, and not supporting data transmission with high reliability and low delay, so as to reduce transmission Effects of delay, reliability assurance, and simplification of the signaling process

Active Publication Date: 2021-09-03
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in this method, since there is no centralized allocation mechanism for transmission resources, when different terminals have data services at the same time, they may choose overlapping transmission resources for data transmission, causing each sending terminal to send The data of each other is an interference signal, which reduces the possibility of the receiving terminal successfully receiving the data, thereby reducing the reliability of the transmission
[0006] Therefore, in the current direct link communication system, high reliability and low latency data transmission is not supported

Method used

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  • A data transmission method, device, electronic equipment and medium
  • A data transmission method, device, electronic equipment and medium
  • A data transmission method, device, electronic equipment and medium

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Embodiment Construction

[0077] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0078] Such as figure 1 As shown, the embodiment of the present application provides a schematic diagram of a communication system, wherein the communication system includes: a base station 101, a sending terminal 102, and a receiving terminal 103. In practical applications, the communication system can be used as a vehicle wireless communication system.

[0079] In the embodiment of the present application, the sending terminal 102 is used to send the direct transmission data throu...

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Abstract

Embodiments of the present application provide a data transmission method, device, electronic equipment, and medium, which relate to the field of communication technology. The method includes: the base station monitors the direct transmission data sent by the sending terminal When the transmission link monitors the direct transmission data, it buffers the direct transmission data, and when receiving the reception failure feedback sent by the receiving terminal, sends the direct transmission data to the receiving terminal through the downlink with the receiving terminal. By adopting the application, the reliability of data transmission in the communication system can be improved and the time delay can be reduced.

Description

technical field [0001] The present application relates to the technical field of communication, and in particular to a data transmission method, device, electronic equipment and medium. Background technique [0002] At present, in the vehicle wireless communication technology (vehicle to X, V2X), each terminal uses a direct transmission link for data transmission, wherein, V2X includes the long-term evolution (Long Term Evolution, LTE) based on the universal mobile communication technology. V2X and New Radio (NR)-based V2X, NR-based V2X can support more application scenarios, such as: vehicle platoon driving, extended sensing, remote driving, enhanced driving, etc. To meet these services, NR-based V2X needs to support data transmission with higher reliability and lower latency. [0003] In the prior art, there are two resource allocation methods adopted by NR-based V2X. The first resource allocation method is that the base station centrally allocates transmission resources ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/16H04L1/18H04L5/00
CPCH04L1/1607H04L1/1812H04L5/0055
Inventor 李勇乔雪梅
Owner BEIJING UNIV OF POSTS & TELECOMM
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