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A hierarchical data transmission method in narrowband internet of things

A data transmission method and technology of the narrowband Internet of Things, which are applied in the directions of digital transmission systems, transmission systems, and multiple use of transmission paths, can solve the problems of low spectral efficiency of narrowband Internet of things and so on.

Active Publication Date: 2021-05-11
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 low spectrum efficiency in the narrowband Internet of Things in the prior art, the present invention provides a hierarchical data transmission method in the narrowband Internet of Things

Method used

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  • A hierarchical data transmission method in narrowband internet of things
  • A hierarchical data transmission method in narrowband internet of things

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The base station sends the first configuration information and the downlink channel state information reference signal CSI-RS1 to the terminal located at the geographic location X, the first configuration information includes at least: the number of receiving antennas of the base station, if the number M of receiving antennas is greater than or equal to 128, Then the first configuration information further includes first SRS resource set information and first SRS sequence set information. It should be noted that the more the number of receiving antennas, the stronger the ability of the base station to distinguish terminals through spatial information, and the more spatial fingerprint information is available. In this way, the base station can effectively distinguish terminals only by obtaining the uplink channel of the terminal, thereby improving The spectral efficiency of the system.

[0038] The terminal receives the first configuration information, and determines the...

Embodiment 2

[0046] The base station sends the first configuration information and the downlink channel state information reference signal CSI-RS1 to the terminal located at the geographic location X, the first configuration information includes at least: the number of receiving antennas of the base station, if the number M of receiving antennas is greater than or equal to 128, Then the first configuration information further includes first SRS resource set information and first SRS sequence set information. It should be noted that the more the number of receiving antennas, the stronger the ability of the base station to distinguish terminals through spatial information, and the more spatial fingerprint information is available. In this way, the base station can effectively distinguish terminals only by obtaining the uplink channel of the terminal, thereby improving The spectral efficiency of the system.

[0047] The terminal receives the first configuration information, and determines the...

Embodiment 3

[0055] The base station sends the first configuration information and the downlink channel state information reference signal CSI-RS1 to the terminal located at the geographic location X, the first configuration information includes at least: the number of receiving antennas of the base station, if the number M of receiving antennas is greater than or equal to 128, Then the first configuration information further includes first SRS resource set information and first SRS sequence set information. It should be noted that the more the number of receiving antennas, the stronger the ability of the base station to distinguish terminals through spatial information, and the more spatial fingerprint information is available. In this way, the base station can effectively distinguish terminals only by obtaining the uplink channel of the terminal, thereby improving The spectral efficiency of the system.

[0056] The terminal receives the first configuration information, and determines the...

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Abstract

The invention provides a hierarchical data transmission method in narrowband Internet of Things, which belongs to the field of wireless communication. The present invention includes the following steps: the base station sends the first configuration information and the downlink channel state information reference signal CSI-RS1 to the terminal located at the geographic location X; the terminal receives the first configuration information; the base station sends the second configuration information to the A terminal; the terminal receives the second configuration information, and sends data according to the second configuration information; if the sending fails, the base station sends updated first configuration information and updated second configuration information, and the terminal updates the first configuration information and the updated second configuration information Update the second configuration information and resend the data. The invention has the beneficial effects of: overcoming the problem of poor spectrum efficiency in the existing narrow-band Internet of Things, and improving the capacity of the narrow-band Internet of Things system.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a hierarchical data transmission method in the narrowband 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 Everyt...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L5/00H04W28/02H04W72/04
CPCH04L5/0048H04L5/0057H04W28/0294H04W72/23
Inventor 王洋陈冀东
Owner SHENZHEN POLYTECHNIC
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