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Method and device for transmitting uplink data

A data and data transmission technology, applied in the field of communication, can solve the problems that terminal equipment cannot determine retransmission processing, network equipment cannot obtain uplink data, feedback, etc.

Inactive Publication Date: 2021-05-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Therefore, in the technology for transmitting uplink data based on scheduling-free resources, if an error occurs in the uplink transmission, the network device cannot obtain scrambling information, so that the network device cannot know which terminal device sent the erroneous uplink data, and thus cannot Feedback for the uplink transmission makes it impossible for the terminal device to determine whether to retransmit the uplink data, which seriously affects the reliability and accuracy of the uplink transmission

Method used

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  • Method and device for transmitting uplink data
  • Method and device for transmitting uplink data

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Embodiment Construction

[0063]The technical solutions in the present application will be described in conjunction with the drawings in this application.

[0064]The terms "components", "modules", "system", or the like used in this specification are used to represent computers, hardware, firmware, hardware, and software combination, software, or software. For example, components may be, but not limited to, processes, processors, objects, executables, execution threads, programs, and / or computers on the processor. By illustration, the applications and computing devices running on the computing device can be part. One or more components can reside in the process and / or execution threads, and the components can be located on one computer and / or distributed between 2 or more computers. In addition, these components can be performed from various computer readable media that stores various data structures above. The components can be, for example, according to the signals of the two components that interact wi...

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Abstract

A method and device for transmitting uplink data, the method comprising: a first terminal device sends a first message to a network device, the first message is used to instruct the first terminal device to request uplink data transmission through scheduling-free resources; when sending the After the first message, the first terminal device sends uplink data to the network device by using the scheduling-free resource. Before sending the uplink data to the network device, the first message is first sent, so that the network device determines the first terminal device that needs to use the scheduling-free resource for uplink data transmission according to the first message, so that the network device receives the first After receiving the message, if the uplink data is not received within the specified time, the network device can determine that an error occurs in the transmission of the uplink data, and thus, can transmit feedback information for the uplink data to the first terminal device, so that the first terminal device can The terminal device performs retransmission processing on the uplink data based on the feedback information, so that the reliability and accuracy of uplink transmission can be improved.

Description

Technical field[0001]The present application relates to the field of communications, and more particularly, methods and apparatus for transmitting uplink data.Background technique[0002]In wireless communication, data transmission needs to be performed between network devices and terminal devices. The network device sends downlink data to the terminal device, and the terminal device sends uplink data to the network device.[0003]With the development and progress of communication technology, a feedback mechanism is known, i.e., after receiving the uplink data, informing the terminal device, the transmission is accurate, and then determines whether A retransmission process for this uplink data is carried out.[0004]Moreover, a technique based on the transferred resource transmission uplink data is known. In this technique, when the terminal device transmits uplink data to the network device, the terminal device generates the identification information of the terminal device and the uplin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04
CPCH04W72/04
Inventor 张兴炜时洁孙迎花刘哲黎超
Owner HUAWEI TECH CO LTD
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