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Implementation method of blockchain consensus protocol based on wireless air computing

An implementation method and technology of blockchain, applied in the implementation field of blockchain consensus protocol, can solve the problems of high transmission delay, high calculation and transmission overhead, affecting the efficiency of consensus protocol, etc., and achieve improved reliability of consensus and complex calculation. The effect of increasing the degree of

Active Publication Date: 2021-11-30
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

However, in this process, the encoding, decoding and transmission of the hash value will involve high calculation and transmission overhead
Especially in wireless networks, the hash values ​​generated by different nodes need to be transmitted to the base station through orthogonal wireless channels, and then broadcast to all nodes. The wireless resource usage in these two stages increases linearly with the number of participating nodes. In a large-scale network scenario, it will cause high transmission delay and affect the efficiency of the consensus protocol

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  • Implementation method of blockchain consensus protocol based on wireless air computing
  • Implementation method of blockchain consensus protocol based on wireless air computing
  • Implementation method of blockchain consensus protocol based on wireless air computing

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[0052] The present invention will be further explained below in conjunction with the accompanying drawings and embodiments, but the protection scope of the present invention should not be limited thereto.

[0053] Such as figure 1 The wireless blockchain network shown, where N wireless terminal nodes communicate with a base station through a wireless channel. These nodes jointly maintain the same blockchain. Based on the consensus protocol, blocks are periodically generated independently by each terminal node and stored on all terminal nodes in a distributed manner.

[0054] Such as figure 2 As shown, the overall consensus process is divided into 5 steps:

[0055] Step 1: At the beginning of each round of consensus, the base station broadcasts the update request to all nodes. The request message contains the consensus round number, timestamp and time window size information.

[0056] Step 2: The node completes the packaging and block generation according to the request se...

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Abstract

A method for implementing a block chain consensus protocol based on wireless air computing includes a base station and N wireless terminal nodes in a wireless block chain network, and the base station communicates with the terminal nodes through a wireless channel. The method includes: Step 1. At the beginning of each round of consensus, the base station broadcasts the update request information to all terminal nodes; Step 2. Each terminal node packs a block, calculates and generates a block hash value and sends it to the base station ; Step 3. The base station receives the linear superimposed signals of all terminal nodes, processes them through calculation and forwarding technology and broadcasts them to all participating consensus nodes; Step 4. The terminal nodes use a two-stage hash verification method to determine whether consensus is reached; The terminal node sends confirmation information to the base station to complete the current round of consensus. The invention reduces the influence of noise transmitted in the wireless channel through coding and wireless air computing technology, and realizes an efficient and reliable block chain consensus protocol.

Description

technical field [0001] The invention relates to the technical field of wireless network block verification and consensus, in particular to an implementation method of a block chain consensus protocol based on wireless air computing (AirComp). Background technique [0002] Blockchain technology has received more and more attention in the field of data and cyberspace security in recent years because of its characteristics of distributed, high encryption security, traceability and non-repudiation, and it provides a new idea for network security control and intrusion detection. With the deepening of research and discussion, how to achieve efficient and reliable consensus at the physical layer of the wireless network, how to make full use of the advantages of blockchain technology and avoid its shortcomings has become a problem that must be faced and solved in the field of cyberspace security at this stage. The problem. [0003] Jiangsu Hengwei Information Technology Co., Ltd. p...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L9/32H04L9/06
CPCH04L67/1097H04L9/0643H04L9/3236H04L9/50
Inventor 化存卿顾鹏文龙吴越
Owner SHANGHAI JIAO TONG UNIV
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