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Data transmission method, network equipment and terminal equipment

A data transmission method, technology of network equipment, applied in the field of network equipment and terminal equipment, data transmission method, can solve problems such as failure to meet URLLC reliability index

Active Publication Date: 2020-12-01
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If URLLC continues to use the LTE data transmission mechanism, since the index of PDCCH or ePDCCH false detection probability is 10 -2 , obviously cannot meet the reliability index of URLLC

Method used

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

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Embodiment Construction

[0146] The terms "first", "second", "third", "fourth", etc. (if any) in the description and claims of the present invention and the above drawings are used to distinguish similar objects, and not necessarily Used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are, for example, capable of practice in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

[0147] At present, when the ePDCCH defined in R8PDCCH version...

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Abstract

An embodiment of the present invention provides a data transmission method, network equipment, and terminal equipment. The network equipment configures N groups of scheduling information according to the requirements of the terminal equipment group, configures at least one downlink data according to M groups of scheduling information in the N groups of scheduling information, and configures at least one downlink data in the N groups of scheduling information. The first transmission time unit sends the first downlink data to the first terminal device; correspondingly, the first terminal device determines N groups of scheduling information, and detects the first downlink data according to the N groups of scheduling information in the first transmission time unit. In this process, the purpose of successfully transmitting the first downlink data can be achieved through multiple transmissions and one successful detection, and high reliability data transmission is realized. At the same time, the low reliability problem of PDCCH dynamic scheduling is avoided, and a large amount of control overhead is not introduced, and link adaptation can be obtained.

Description

technical field [0001] Embodiments of the present invention relate to communication technologies, and in particular to a data transmission method, network equipment, and terminal equipment. Background technique [0002] In a wireless communication system, a terminal device receives downlink data or sends uplink data according to downlink control information (Downlink Control Information, DCI) sent by a network device. The DCI includes scheduling information, power control command information, etc., where the scheduling information includes at least resource allocation (Resource Allocation, RA) information and / or modulation and coding scheme (Modulation and coding Scheme, MCS) information. [0003] In a Long Term Evolution (LTE) system, network equipment mainly carries DCI through a Physical Downlink Control Channel (PDCCH), such as the PDCCH defined in Release 8 (Relase8, R8) or Release 11 (Release, R11) defines an enhanced physical downlink control channel (enhanced Physic...

Claims

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Application Information

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IPC IPC(8): H04W72/04
CPCH04W72/569H04W72/23H04L1/0004H04W72/121H04W72/1273H04W80/08
Inventor 李超君马莎
Owner HUAWEI TECH CO LTD
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