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Blockchain-based spectrum access and management method

A technology of spectrum access and management methods, which is applied in the field of spectrum access and management based on blockchain, to achieve the effect of ensuring effective management

Active Publication Date: 2020-12-01
BEIJING JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, there is no effective method of using blockchain technology to manage spectrum resources in 5G unlicensed frequency bands in the prior art

Method used

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  • Blockchain-based spectrum access and management method
  • Blockchain-based spectrum access and management method
  • Blockchain-based spectrum access and management method

Examples

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Embodiment 1

[0039] The access and management of spectrum resources in the 5G unlicensed frequency band is of great significance and is worth studying. The use of blockchain technology for spectrum management and allocation has great prospects. Its advantage lies in two points: first, it can record the spectrum usage status; second, it can use the consensus algorithm in the blockchain to solve the channel contention problem.

[0040] The embodiment of the present invention designs a block chain-based spectrum access and management method, which combines block chain and spectrum access management for the first time, can dynamically realize spectrum access, and can control the use of spectrum Manage effectively.

[0041] The embodiment of the present invention proposes a blockchain-based spectrum access and management method, figure 1It is an application scenario model diagram of the method in the embodiment of the present invention, and the method is applicable to a semi-centralized wirel...

Embodiment 2

[0091] The success rate of the primary user election process, that is, spectrum allocation, is tested through simulation experiments. Assuming that all nodes have the same computing power, a comparison chart of the maximum collision probability is given. image 3 A schematic diagram of the test results of a mining access spectrum process under different parameters provided by the embodiment of the present invention, as shown in image 3 shown. This maximum collision probability represents the probability that a node generates the main block at the same time. Note that we have not introduced the PoS mechanism here. If the PoS mechanism is added, the probability of collision will be lower. The above-mentioned collision refers to two or more nodes discovering the main block at the same time, and the currency age is the same, and the main user cannot be determined, resulting in the situation that all nodes cannot access the spectrum. This situation indicates that the channel co...

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Abstract

The invention provides a blockchain-based spectrum access and management method. The method includes: dividing available spectrum resources into multiple sub-channels, each sub-channel corresponds to a block ring chain, and the block ring chain is composed of a main block and a micro block; nodes in the network use block ring The main block in the chain periodically elects a main user, and other nodes that have not become the main user are secondary users; the main user has the right to access and use the frequency spectrum of this sub-channel, and the main user will use the right to use the frequency spectrum Transferred to secondary users through auction, the auction of the spectrum is carried out through blockchain and smart contracts, and transaction information is recorded in micro-blocks. In the present invention, spectrum can be dynamically allocated to users in the network without the participation of a third party. Spectrum usage is recorded and checked, ensuring effective management of spectrum resources.

Description

technical field [0001] The present invention relates to the technical field of wireless spectrum management, in particular to a blockchain-based spectrum access and management method. Background technique [0002] Wireless spectrum is a scarce resource. How to use limited spectrum resources to provide more communication opportunities for more users is worth studying. With the advent of the 5G wireless communication era, 5G networks try to use higher frequency spectrum resources for wireless transmission. These high frequency bands, such as the millimeter wave band, have not been allocated to legacy systems, i.e. most of them are still free to use. This part of the frequency band is called an unlicensed frequency band, and there are no so-called primary-secondary users in the network. In this case, how to effectively use and manage spectrum resources in unlicensed frequency bands has become a new issue worth studying. [0003] Blockchain technology is a distributed ledger ...

Claims

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Application Information

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IPC IPC(8): H04W72/04G06Q20/38
CPCH04W72/0453G06Q20/3827H04W72/53
Inventor 范新霍炎荆涛
Owner BEIJING JIAOTONG UNIV
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