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A data transmission method, terminal equipment and network equipment

A data transmission method and technology for terminal equipment, applied in the field of terminal equipment, network equipment, and data transmission methods, can solve the problem of no clear method for transmitting HARQ-ACK feedback information, etc.

Active Publication Date: 2020-12-04
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Currently in the 5G NR system, when the PDSCH is repeatedly transmitted, the PDSCH can support 2, 4 or 8 repeated transmissions, and the corresponding HARQ-ACK feedback information can support transmission using a semi-static HARQ-ACK codebook, but how to transmit the corresponding The HARQ-ACK feedback information has no clear method

Method used

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  • A data transmission method, terminal equipment and network equipment
  • A data transmission method, terminal equipment and network equipment
  • A data transmission method, terminal equipment and network equipment

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Embodiment Construction

[0050] 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 some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0051] see figure 1 As shown, the embodiment of the present invention provides a data transmission method applied to a terminal device, including the following steps:

[0052] Step 101: receive PDSCH;

[0053] Step 102: Map the HARQ-ACK feedback information corresponding to the repeatedly transmitted PDSCH to at least the first transmission position for transmission.

[0054] Wherein, the first transmission position is the last transmission position ...

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Abstract

The present invention provides a data transmission method, terminal equipment, and network equipment, wherein the data transmission method includes: receiving a physical downlink shared channel, and mapping the hybrid automatic repeat request confirmation feedback information corresponding to the repeatedly transmitted physical downlink shared channel to at least The transmission is performed at the first transmission position; the first transmission position is the last transmission position of the physical downlink shared channel corresponding to repeated transmission in the semi-static HARQ acknowledgment codebook. The solution of the present invention can clarify how to transmit the corresponding HARQ feedback information when the physical downlink shared channel is repeatedly transmitted, so as to ensure the HARQ acknowledgment feedback of the normal physical downlink shared channel repeated transmission.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a data transmission method, terminal equipment and network equipment. Background technique [0002] With the development and change of mobile communication service requirements, organizations such as the International Telecommunication Union (International Telecommunication Union, ITU) and the 3rd Generation Partnership Project (3rd Generation Partnership Project, 3GPP) have begun to study new wireless communication systems, such as the fifth generation of new wireless Communication system (5Generation New Radio, 5G NR). [0003] Flexible timing relationships are currently supported in 5G NR systems. For the Physical Downlink Shared Channel (PDSCH), the Physical Downlink Control Channel (PDCCH, Physical Downlink Control Channel) carrying its scheduling information can indicate the scheduling timing relationship (Scheduling timing) between PDSCH and PDCCH and PDSCH...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04L1/18
CPCH04L5/0055H04L1/1812H04L1/18H04L5/00H04L1/16H04W72/04H04L1/189H04L1/1614H04L1/1854H04L1/1858H04L1/1607H04W72/1273H04B7/0456H04L1/1819H04L1/1893H04W72/0446
Inventor 高雪娟
Owner DATANG MOBILE COMM EQUIP CO LTD
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