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区块链增强的低空智联网可信协作架构及集群构建策略

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低空生态的繁荣不断推动智能网络服务由平面向低空三维立体方向转变,低空业务呈现出规模化、协同化和智能化等演进态势,对低空智联网跨域设备协作能力、任务处理效率、数据安全性及操作可信性等提出了较严苛要求.集群式多设备联合计算协作可提升低空智联网中复杂化大规模任务的处理效率,然而现有模式仍存在跨域设备协作困难、安全可信性缺乏保障以及资源调度灵活性不足等问题.区块链具有数据及操作不可篡改、公开透明和集体维护等特性,尤为适合在多方参与的低空智联环境中建立高效协作信任.本文提出区块链增强的低空智联网可信协作架构,为低空多源异构智联设备提供链上跨域协作计算与状态同步渠道,并设计深度融合集群任务处理流程的多级共识协议,保障低空智联网协作集群式计算服务的安全性与可信性.针对低空智联网中协作集群链上同步状态的时效性开展分析,并据此提出一种基于排队模型的低空智联协作节点链上状态修正算法与高效集群构建策略,保障链上协作任务处理效率.仿真结果表明所提架构及方案可有效提升低空智联网中协作任务处理效率和资源利用率等性能.
Blockchain-Enhanced Trustworthy Collaboration Architecture and Cluster-Forming Strategy for Low-Altitude Intelligent Network
The prosperity of the low-altitude ecology has continuously promoted the transformation of intelligent network services from the terrestrial to the low-altitude airspace.Low-altitude services and applications have become large-scale,collaborative,and intelligent.These trends have put forward extreme requirements for cross-domain collaboration capabilities,processing efficiency,and the security and trustworthiness of data and operations.Low-altitude intelligent network cluster collaboration using multi-device joint computing can improve the processing efficiency of complex and large-scale tasks in low-altitude intelligent networks.However,the existing schemes still have problems such as lack of cross-domain collaboration,deficiency in security and trustworthiness,and insufficient flexibility in centralized resource scheduling.Blockchain has the characteristics of immutability,openness,transparency,and collective maintenance,which is suitable for establishing efficient collaborative trust.This paper proposes a blockchain-enhanced trustworthy collaboration architecture for low-altitude intelligent network to provide on-chain cross-domain collaborative computing and trusted status synchronization services among heterogeneous low-altitude intelligent devices.We also design a multi-level consensus protocol to ensure the security and trustworthiness during the collaborative computation process.And we further analyze the freshness of the on-chain status,and propose an on-chain state correction algorithm and an efficient cluster-forming strategy for low-altitude intelligent nodes based on a queueing model.The simulation results show that the proposed architecture and protocol can improve the overall performance in terms of collaborative processing efficiency and network resource utilization.

blockchainlow-altitude intelligent networkconsensus protocolqueueing modelage of information

乐煜炜、江锐、江毅恒、王家恒

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东南大学信息科学与工程学院,南京 211189

网络通信与安全紫金山实验室,南京 211111

区块链 低空智联网 共识协议 排队模型 信息年龄

江苏省重点研发计划(产业前瞻与关键核心技术)重点项目国家自然科学基金江苏省前沿引领技术基础研究重大项目江苏省前沿引领技术基础研究重大项目中央高校基本科研业务费专项资金中央高校基本科研业务费专项资金

BE2022068-3U22B2006BK20222001BK202120012242022K600022242023K5003

2024

10.16337/j.1004-9037.2024.01.007

数据采集与处理
中国电子学会 中国仪器仪表学会信号处理学会　中国仪器仪表学会中国物理学会微弱信号检测学会　南京航空航天大学

数据采集与处理

CSTPCD北大核心
影响因子：0.679
ISSN：1004-9037
年,卷(期)：2024.39(1)
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