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Data transmission method and base station

A data transmission method and base station technology, which is applied in the field of data transmission methods and base stations, and can solve problems such as reducing data transmission efficiency

Active Publication Date: 2017-07-11
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that part of data in one TB of user equipment 1 will not be sent. Using the existing technical solution, if part of data in one TB is lost, HARQ feedback will be received as NACK, and the base station needs to retransmit the entire TB. This reduces the efficiency of data transmission

Method used

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  • Data transmission method and base station
  • Data transmission method and base station
  • Data transmission method and base station

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0029] The network architecture and business scenarios described in the embodiments of the present invention are to more clearly illustrate the technical solutions of the embodiments of the present invention, and do not constitute limitations on the technical solutions provided by the embodiments of the present invention. The evolution of the architecture and the emergence of new business scenarios, the technical solutions provided by the embodiments of the pre...

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Abstract

An embodiment of the invention discloses a data transmission method and a base station. The method comprises the following steps: when a second time frequency resource contained in a first time frequency resource distributed to a first terminal is distributed to a second terminal by the base station, first indication information, second indication information and a third transmission block are sent to the first terminal by the base station; the first time frequency resource is used for transmitting a first transmission block of the first terminal, the second time frequency resource is used for transmitting a second transmission block of the second terminal, the first indication information is used for indicating a position of the second first time frequency resource occupied by the second transmission block, or the first indication information is used for indicating data, planned to be transmitted on the second time frequency resource, of the first transmission block, a code block to which the data belongs or a code block group to which the data belongs; the second indication information is used for indicating a position of a third time frequency resource distributed to the third transmission block by the base station; the third transmission block comprises data, planned to be sent on the second time frequency resource, of the first transmission block. Via adoption of the data transmission method and the base station, efficiency of data transmission can be improved.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a data transmission method and a base station. Background technique [0002] In the Long Term Evolution (LTE) system, the data sent is in units of transport blocks (transport block, TB), and one TB corresponds to one hybrid automatic repeat request (HARQ) Acknowledgment (acknowledgment, ACK) feedback or non-acknowledgement feedback (negative acknowledgment, NACK). If the HARQ feedback corresponding to a TB is NACK, the entire TB needs to be retransmitted. Even if a TB is divided into multiple code blocks (CB) for transmission, if an error occurs in one CB, the HARQ feedback corresponding to the TB is also NACK, so the entire TB needs to be retransmitted, which affects the data quality. transmission efficiency. [0003] The new wireless technology (New Radio, NR) can support various types of services, for example, enhanced mobile broadband (enhanced mobile broadb...

Claims

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Application Information

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IPC IPC(8): H04W72/04H04L5/00H04L1/18H04L1/16H04L1/00
CPCH04L1/0078H04L1/1657H04L1/1806H04L5/0053H04W72/0446H04W72/23H04L5/0005H04L5/0037H04L5/0094H04L5/0044H04L5/0055H04W72/044H04L1/008H04L1/1819H04L1/1664
Inventor 李明菊张云飞
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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