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: 2019-10-11
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 fe...

Method used

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

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Embodiment Construction

[0050] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall 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, which is applied to a terminal device and includes 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 of ...

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Abstract

Provided are a data transmission method, a terminal device and a network device, the data transmission method comprising: receiving a physical downlink shared channel, and mapping hybrid automatic repeat request acknowledgement feedback information corresponding to the repeatedly transmitted physical downlink shared channel at least to a first transmission position for transmission, wherein the first transmission position is the last transmission position of the physical downlink shared channel which is correspondingly and repeatedly transmitted in the semi-static hybrid automatic repeat request acknowledgement codebook. According to the scheme of the invention, when the physical downlink shared channel performs repeated transmission, how to transmit the corresponding hybrid automatic repeat request acknowledgement feedback information can be determined, so that the normal hybrid automatic repeat request acknowledgement feedback of the repeated transmission of the physical downlink shared channel is ensured.

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 (ITU) and the 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] The current 5G NR system supports flexible timing relationships. For the physical downlink shared channel (Physical Downlink Shared Channel, PDSCH), the physical downlink control channel (PDCCH, Physical Downlink Control Channel) that carries its scheduling information can indicate the scheduling timing relationship between the PDSCH and the PDCCH (Scheduling timing) and the PDSCH to its correspondence The hybrid auto...

Claims

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Application Information

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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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