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A method, system, and storage medium for sending information in the Internet of Things

A technology for information transmission and the Internet of Things, applied in transmission systems, digital transmission systems, network planning, etc., can solve problems such as low spectrum efficiency, extended transmission time, and large control overhead, so as to improve spectrum efficiency, overcome poor spectrum efficiency, The effect of reducing control overhead

Active Publication Date: 2021-01-05
SHENZHEN POLYTECHNIC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the fifth-generation mobile communication system, a scenario that needs to be studied is a fast and low-cost information transmission method. The main problem of the commonly used solutions is that the control overhead is very large and the transmission delay is relatively long, which leads to system failure. The spectrum efficiency is relatively low, how to increase the spectrum efficiency of the IoT system is an important problem to be solved urgently in the IoT system

Method used

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  • A method, system, and storage medium for sending information in the Internet of Things

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Embodiment 1

[0024] Such as figure 1 As shown, the present invention discloses a method for sending information in the Internet of Things. As Embodiment 1 of the present invention, the method for sending information in the Internet of Things includes performing the following steps in sequence:

[0025] Step S1: The second communication node receives the first configuration information sent by the first communication node, and stores the first configuration information in the memory, the first configuration information includes configuration information of three channel coding methods, N connection Incoming sequence group configuration information and N data resource configuration information, where N is an integer greater than or equal to 1, and the configuration information of the three channel coding methods are polar code, low-density parity-check code, polar code and low-density parity Check code mixed encoding;

[0026] Step S2: The second communication node obtains the source data s...

Embodiment 2

[0033] Embodiment 2: On the basis of Embodiment 1, the number of subcarriers contained in the candidate data resources is 3*512. This value is determined after analyzing the characteristics of the data packets on the physical network, and can be applied to more than 90% IoT data structure.

Embodiment 3

[0034] Embodiment 3: On the basis of Embodiment 2, 1 / 3 of the subcarriers included in the candidate data resources are used to transmit demodulation reference signals. Usually, the base station can use the access sequence sent by the terminal to perform channel estimation to demodulate the uplink data sent by the terminal. The advantage of adding demodulation pilots here is to improve the channel estimation accuracy of service data of a specific length that needs to be protected, thereby improving The transmission success rate of service data of this length.

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Abstract

The invention provides an information sending method and system in the Internet of Things and a storage medium. The information sending method in the Internet of Things comprises the following steps of: the second communication node receives first configuration information sent by the first communication node and stores the first configuration information in a memory, the second communication nodeobtains an information source data service bit sequence needing to be sent to the first communication node, and a candidate access sequence group needing to be used is determined according to the first LOG2 (N) bits of the information source data service bit sequence; and the second communication node determines candidate data resources according to the (LOG2 (N) + 1) th bit to the (2 * LOG2 (N)th bit of the information source data service bit sequence. Compared with the prior art, the method has the beneficial effects that the problem of poor spectrum efficiency in the existing Internet ofThings is solved, the spectrum efficiency of an Internet of Things system is improved, and the control cost is reduced.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to an information sending method, system and storage medium 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 re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04W16/14
CPCH04L1/0009H04L1/0056H04L1/0057H04L1/0061H04W16/14
Inventor 王洋路勇
Owner SHENZHEN POLYTECHNIC
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