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Data transmission method, access network equipment and terminal equipment

A technology of access network equipment and terminal equipment, which is applied in the field of communication, and can solve problems such as the inability to improve the probability that terminal equipment can correctly receive URLLC data.

Active Publication Date: 2022-02-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present application provides a data transmission method, access network equipment and terminal equipment to solve the problem that the terminal equipment cannot correctly receive URLLC data when there is no additional DL slot for continuous multiple transmissions of URLLC downlink data in the prior art technical issues of the probability

Method used

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

Examples

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Embodiment Construction

[0058] The data transmission method provided by this application can be applied to figure 2 A schematic diagram of the communication system architecture is shown. like figure 2 As shown, the communication system includes: an access network device and multiple terminal devices. It is assumed that the multiple terminal devices include terminal device 1, terminal device 2, terminal device 3, and terminal device 4 in the figure. It should be noted, figure 2 The communication system shown can be applied to different network standards, for example, it can be applied to Global System of Mobile Communication (GSM for short), Code Division Multiple Access (CDMA for short), and Wideband Code Division Multiple Access Wideband Code Division Multiple Access (WCDMA for short), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA for short), Long Term Evolution (LTE for short) systems and future 5G networks format. Optionally, the foregoing communication system may be a s...

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Abstract

The present application provides a data transmission method, access network equipment and terminal equipment. The method includes: the access network device sends first control information to the first terminal device, the first control information is used to instruct the first terminal device to transmit downlink data received from the access network device through a side chain transmit multiple times to the second terminal device; the access network device sends downlink data to the first terminal device. The method of the present application increases the probability that the second terminal device correctly receives the downlink data, and it is not limited to the influence of the uplink and downlink configuration of the access network device.

Description

technical field [0001] The present application relates to communication technologies, and in particular to a data transmission method, access network equipment and terminal equipment. Background technique [0002] Ultra-Reliable and Low Latency Communications (URLLC for short) is one of the most important application scenarios of 5G mobile communication systems. Low latency and high stability are the two most important features of URLLC. URLLC's requirements for stability range from 1-10 -5 , compared to LTE's 1-10 -2 There is a huge improvement, and the requirements for end-to-end delay in some application scenarios are even lower than 1ms. If a traditional Long Term Evolution (LTE for short) communication system is used for URLLC transmission, it cannot be guaranteed to meet the requirements of the URLLC service. Therefore, a solution commonly used at present is to perform continuous multiple transmissions of downlink URLLC data, such as figure 1 As shown, this method...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/18H04L5/00H04W72/04
CPCH04L1/1812H04L5/0053H04W72/23H04L1/18H04L5/00H04W72/04H04W88/04H04L1/0004H04W72/0466H04W72/1273H04W92/18
Inventor 苏宏家朱俊庞继勇
Owner HUAWEI TECH CO LTD
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