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A multi-level data transmission method in narrowband Internet of Things based on heterogeneous network

A data transmission method and technology of narrowband Internet of Things, applied in digital transmission systems, location-based services, transmission systems, etc., can solve the problems of low spectral efficiency of narrowband Internet of things, and achieve reliability, increase capacity, and improve data. The effect of transmission efficiency

Active Publication Date: 2020-04-28
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 multi-level data transmission method in the narrowband Internet of Things based on heterogeneous networks

Method used

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  • A multi-level data transmission method in narrowband Internet of Things based on heterogeneous network
  • A multi-level data transmission method in narrowband Internet of Things based on heterogeneous network

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] 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.

[0044] The terminal receives the first configuration information, and determines the...

Embodiment 2

[0056] 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.

[0057] The terminal receives the first configuration information, and determines the...

Embodiment 3

[0069] 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.

[0070] The terminal receives the first configuration information, and determines the...

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Abstract

The present invention relates to the field of wireless communication, and provided thereby are a heterogeneous network-based multi-level data transmission method in a narrow-band Internet of Things. The present invention comprises the following steps: a base station sending first configuration information and a downlink channel state information reference signal CSI-RS1 to a terminal located at a geographic position X; the terminal receiving the first configuration information; the base station sending second configuration information to the terminal; the terminal receiving the second configuration information and sending data according to the second configuration information; if sending fails, the base station sending third configuration information; once the third configuration information is received, the terminal sending a third sounding reference signal; and the base station activating a relay node in the wave incoming direction of the terminal, and sending data by means of the relay node. The beneficial effect of the present invention is to overcome the problem of poor spectrum efficiency in existing narrow-band Internet of Things, and increase the capacity of a narrow-band Internet of Things system.

Description

technical field [0001] The invention relates to the field of wireless communication, in particular to a multi-level data transmission method in a heterogeneous network-based 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 r...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/02H04W4/70H04W64/00H04W72/04H04L1/00H04L5/00
CPCH04L1/00H04L5/00H04W4/02H04W4/70H04W64/00H04W72/04
Inventor 王洋张娅琳
Owner SHENZHEN POLYTECHNIC
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