基于区块链的 6G 任务卸载与协同计算资源分配研究

Shujie Tian, Yuexia Zhang, Yanxian Bi, Taifu Yuan
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引用次数: 0

摘要

在即将到来的 6G 时代,万物互联和高速通信的加速发展将为人们提供高效、智能的生活体验。然而,数据流量的指数级增长预计将给任务处理带来巨大挑战。仅仅依靠单个设备的计算资源可能难以满足对低延迟的需求。此外,不同设备之间缺乏信任也限制了 6G 网络的发展。针对这一问题,本研究提出了一种基于区块链的 6G 任务卸载和协作计算资源分配(CERMTOB)算法。该算法首先设计了一种基于区块链的 6G 云网边缘协作任务卸载模型。它在边缘层加入了区块链网络,以提高终端和区块链节点之间的信任度。随后,确立了优化目标,以最小化卸载、计算和区块链共识的总延迟。利用狼鱼协同搜索算法(WF-CSA)确定了最优卸载方案,使总延迟最小化。仿真结果表明,与鱼群算法、狼群算法和二进制粒子群优化算法相比,WF-CSA 算法显著降低了总延迟,最高达 42.58%。此外,与无区块链系统相比,在云端卸载系统中引入区块链最多可提高 14.93% 的通信成功率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Blockchain-based 6G task offloading and cooperative computing resource allocation study
In the upcoming era of 6G, the accelerated development of the Internet of Everything and high-speed communication is poised to provide people with an efficient and intelligent life experience. However, the exponential growth in data traffic is expected to pose substantial task processing challenges. Relying solely on the computational resources of individual devices may struggle to meet the demand for low latency. Additionally, the lack of trust between different devices poses a limitation to the development of 6G networks. In response to this issue, this study proposes a blockchain-based 6G task offloading and collaborative computational resource allocation (CERMTOB) algorithm. The proposed first designs a blockchain-based 6G cloud-network-edge collaborative task offloading model. It incorporates a blockchain network on the edge layer to improve trust between terminals and blockchain nodes. Subsequently, the optimization objective is established to minimize the total latency of offloading, computation, and blockchain consensus. The optimal offloading scheme is determined using the wolf fish collaborative search algorithm(WF-CSA) to minimize the total delay. Simulation results show that the WF-CSA algorithm significantly reduces the total delay by up to 42.58% compared to the fish swarm algorithm, wolf pack algorithm and binary particle swarm optimisation algorithm. Furthermore, the introduction of blockchain to the cloud-side-end offloading system improves the communication success rate by a maximum of 14.93% compared to the blockchain-free system.
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