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A Robust Data Transmission Method in the Internet of Things

A data transmission method and Internet of Things technology, applied in the field of robust data transmission, can solve problems such as poor reliability of data transmission, achieve the effect of improving transmission performance and improving use efficiency

Active Publication Date: 2020-07-24
SHENZHEN POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of relatively poor reliability of data transmission when the time-frequency resources used by different business data in existing machine communication overlap, the present invention provides a robust data transmission method in the Internet of Things

Method used

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  • A Robust Data Transmission Method in the Internet of Things
  • A Robust Data Transmission Method in the Internet of Things
  • A Robust Data Transmission Method in the Internet of Things

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The base station sends the first time-frequency resource set allocation information and the first sending mode description information to the terminal A, where the first sending mode includes at least one of the following: demodulation reference signal position. Preferably, the modulation and coding method of the first data packet, the number of transmission layers of the first data packet, and the first data packet are composed of T bits obtained by channel coding B useful bits, which can refer to 4G or 5G mobile communication The channel coding method of the system.

[0036] The base station allocates the second set of time-frequency resources to the terminal B, where, for example, Figure 2-Figure 4 As shown, there is overlap between the second time-frequency resource set and the first time-frequency resource set (the overlapping part is called an overlapping resource set), and the resources contained in the first time-frequency resource set in the frequency domain a...

Embodiment 2

[0041] The base station sends the first time-frequency resource set allocation information and the first sending mode description information to the terminal A, where the first sending mode includes at least one of the following: demodulation reference signal position. Preferably, the modulation and coding method of the first data packet, the number of transmission layers of the first data packet, and the first data packet are composed of T bits obtained by channel coding B useful bits, which can refer to 4G or 5G mobile communication The channel coding method of the system.

[0042] The base station allocates the second set of time-frequency resources to the terminal B, where, for example, Figure 2-Figure 4 As shown, there is overlap between the second time-frequency resource set and the first time-frequency resource set (the overlapping part is called an overlapping resource set), and the resources contained in the first time-frequency resource set in the frequency domain a...

Embodiment 3

[0047] The base station sends the first time-frequency resource set allocation information and the first sending mode description information to the terminal A, where the first sending mode includes at least one of the following: demodulation reference signal position. Preferably, the modulation and coding method of the first data packet, the number of transmission layers of the first data packet, and the first data packet are composed of T bits obtained by channel coding B useful bits, which can refer to 4G or 5G mobile communication The channel coding method of the system.

[0048] The base station allocates the second set of time-frequency resources to the terminal B, where, for example, Figure 2-Figure 4 As shown, there is overlap between the second time-frequency resource set and the first time-frequency resource set (the overlapping part is called an overlapping resource set), and the resources contained in the first time-frequency resource set in the frequency domain a...

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Abstract

The invention provides a robust data transmission method in the Internet of Things, belonging to the technical field of wireless communication. The present invention includes the following steps: the base station sends the allocation information of the first time-frequency resource set and the description information of the first transmission mode to the first terminal; the base station allocates the second time-frequency resource set to the second terminal, and the first time-frequency resource set The resource set includes an overlapping resource set overlapping with the second time-frequency resource set and a non-empty third time-frequency resource set; the base station determines the first data packet according to the time continuity of resources in the third time-frequency resource set The second transmission mode of the first data packet; the base station sends the description information of the overlapping resource set to the first terminal; the first terminal determines the second transmission mode of the first data packet according to the description information, and according to the first and / or the second sending manner is used to receive the first data packet. The invention overcomes the problem of relatively poor data transmission reliability in machine communication, and improves the use efficiency of the network.

Description

technical field [0001] The invention relates to a data transmission method, in particular to a robust data transmission method in the Internet of Things. Background technique [0002] 5G will meet the diverse business needs of people in various areas such as living, working, leisure, and transportation, even in dense residential areas, offices, stadiums, open-air gatherings, subways, expressways, high-speed rails, and wide-area coverage. It can also provide users with extreme business experiences such as ultra-high-definition video, virtual reality, augmented reality, cloud desktop, and online games. At the same time, 5G will penetrate into the Internet of Things and various industries, and will be deeply integrated with industrial facilities, medical equipment, transportation, etc., to effectively meet the diversified business needs of vertical industries such as industry, medical care, and transportation, and realize the real " Internet of Everything". [0003] 5G applic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/70H04W72/04H04W72/12
CPCH04W4/70H04L27/261H04L5/0044H04L5/0005H04L5/0051H04L5/006H04L5/0053H04W72/0446H04W72/23
Inventor 王洋
Owner SHENZHEN POLYTECHNIC