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A network access method for communication nodes in the Internet of Things

A technology for communication nodes and the Internet of Things, which is applied in the field of network access and can solve problems such as increasing the power consumption of Internet of Things terminals

Active Publication Date: 2021-04-16
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 access scheme mainly relies on complex beam search and matching, which seriously increases the power consumption of the Internet of Things terminal. Important issues to be solved urgently in IoT systems

Method used

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  • A network access method for communication nodes in the Internet of Things

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Experimental program
Comparison scheme
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Embodiment 1

[0029] Such as 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 t...

Embodiment 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.

Embodiment 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 present invention provides a network access method for communication nodes in the Internet of Things, comprising the following steps: a first terminal sends a predefined sequence on high-frequency resources; a second-type base station determines idle high-frequency resources, and sends location information to the first-type base station , the first type of base station sends low-frequency band access parameter configuration information to the first terminal; the first terminal sends an access pilot to the first type of base station in the low-frequency band, and the first terminal transfers to the idle high-frequency resource to work on High-band communication mode: the first type of base station measures and stores the signal-to-noise ratio of the received access pilot, determines the optimal spatial beam transmission direction between the first type of base station and the first terminal, and then selects the second optimal spatial beam transmission direction Type base station, if the first terminal can receive the response information from the second type base station, it will communicate with the second type base station in the high frequency band communication mode, otherwise it will transfer to the low frequency band communication mode to communicate with the first type base station. The invention effectively reduces the energy consumption of the internet of things.

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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Patent Type & Authority Patents(China)
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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