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Network access method of communication node in Internet of Things

A communication node and Internet of Things technology, applied in the field of network access, can solve the problems of increasing the power consumption of Internet of Things terminals, and achieve the effect of avoiding a large increase in maintenance costs, reducing the number of repetitions, and improving the quality of access pilots

Active Publication Date: 2020-01-10
SHENZHEN POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the fifth-generation mobile communication system, a scenario that needs to be studied is the access method in the Internet of Things that uses high-frequency communication. The commonly used a

Method used

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  • Network access method of communication node in Internet of Things

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0029] like figure 1 Shown, as embodiment 1 of the present invention, the present invention comprises the following steps:

[0030] S101: Any first terminal that needs to access the system sends a predefined sequence {1, -1, 1, -1, 1-1, 1, -1} with full power on the predefined high frequency band resources, and then The first terminal switches to low-band communication, wherein the first terminal is a terminal that supports both the high-band communication mode and the low-band communication mode, and the first terminal can only work in one communication mode at a time. The advantage of this is that it allows multiple first terminals that want to access the system to use the same sequence to transmit the above sequence, thereby ensuring that the second type of base station can successfully receive the above sequence, and then perform follow-up work quickly and improve network access efficiency.

[0031] S102: Determine whether the second type of base station has received the ...

Example Embodiment

[0044] Example 2

[0045] On the basis of Embodiment 1, the number of repetitions Z is related to the beam width. When the beam width is A / 2, Z takes a value of 3, and when the beam width is A, Z takes a value of 6. The reason for this is that the narrower the beam, the second type of base station believes that the closer the distance between the first terminal and itself, the better the communication quality, so it can obtain better access pilot quality through a relatively small number of repetitions, and vice versa Of course.

Example Embodiment

[0046] Example 3

[0047] On the basis of Embodiment 1, the second type of base station is powered by solar energy, and only when its power reserve reaches more than 10%, can it send beams based on the activation information sent by the first type of base station. The advantage of this is that while satisfying the “green” communication requirements, priority is given to ensuring the basic operating power requirements of the second type of base station, and avoiding the problem of a substantial increase in maintenance costs due to power depletion.

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Abstract

The invention provides a network access method of a communication node in the Internet of Things. The network access method comprises the following steps: a first terminal sends a predefined sequenceon a high-frequency band resource; the second-type base station determines idle high-frequency resources and sends position information to the first-type base station, and the first-type base stationsends low-frequency band access parameter configuration information to the first terminal; the first terminal sends an access pilot frequency to the first type base station at a low frequency band, and the first terminal is switched into a high frequency band communication mode of working on idle high frequency resources; the first type base station measures and stores the signal-to-noise ratio ofthe received access pilot frequency, determines the optimal spatial beam transmission direction of the first type base station and the first terminal, and then selects a second type of base station with the optimal spatial beam transmission direction; if the first terminal can receive response information of the second-type base station, the first terminal communicates with the second-type base station in a high-frequency band communication mode, and otherwise, is switched to a low-frequency band communication mode to communicate with the first-type base station. The energy consumption of theInternet of Things is effectively reduced.

Description

technical field [0001] The invention relates to a network access method, in particular to a network access method for communication nodes 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...

Claims

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Application Information

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IPC IPC(8): H04W48/08H04W48/16H04W52/02H04W72/04
CPCH04W48/08H04W48/16H04W52/0206H04W72/0453H04W72/27H04W72/23Y02D30/70
Inventor 王洋
Owner SHENZHEN POLYTECHNIC
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