Proposal of Blockchain Structure with Real-Time Capability Suitable for 5G-Based Service Provision 


Vol. 46,  No. 1, pp. 102-113, Jan.  2021
10.7840/kics.2021.46.1.102


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  Abstract

Security vulnerabilities are one of the difficulties in commercializing services based on 5G and IoT. Various studies are being conducted to solve this problem, and blockchain is being studied as one of the promising alternatives. However, the current blockchain can only guarantee security and doesn’t have a processing speed for providing real-time services. So, we’d like to propose a new blockchain structure that can provide the required performance. By analyzing the pros and cons of representative blockchains, we have identified the problematic elements in providing both security and performance. Among them, we propose a method to improve the Shared Ledger, which is a double-edged sword that guarantees the integrity and doesn’t privacy at the same time, and requires rapid block propagation to prevent duplicate transactions. This paper maintains security through the improved ledger, PoB-based consensus algorithm and the authentication structure using the CA of smart contracts. In addition, the network is simplified through personal ledger and peer networks, and the proposed PoB-based algorithm is used to eliminate waste of resource and network overload due to agreement of competitive form. The above technical rationale has demonstrated that processing for real-time service delivery can be performed.

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  Cite this article

[IEEE Style]

S. Lee and K. Kim, "Proposal of Blockchain Structure with Real-Time Capability Suitable for 5G-Based Service Provision," The Journal of Korean Institute of Communications and Information Sciences, vol. 46, no. 1, pp. 102-113, 2021. DOI: 10.7840/kics.2021.46.1.102.

[ACM Style]

Seungho Lee and Keecheon Kim. 2021. Proposal of Blockchain Structure with Real-Time Capability Suitable for 5G-Based Service Provision. The Journal of Korean Institute of Communications and Information Sciences, 46, 1, (2021), 102-113. DOI: 10.7840/kics.2021.46.1.102.

[KICS Style]

Seungho Lee and Keecheon Kim, "Proposal of Blockchain Structure with Real-Time Capability Suitable for 5G-Based Service Provision," The Journal of Korean Institute of Communications and Information Sciences, vol. 46, no. 1, pp. 102-113, 1. 2021. (https://doi.org/10.7840/kics.2021.46.1.102)

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pISSN : 1226 - 4717
eISSN : 2287 - 3880