基于混合协作NOMA的安全MEC能耗优化

TP929.5; 非正交多址接入(non-orthogonal multiple access,NOMA)技术的广泛应用改变了传统物理层安全对用户传输速率的限制,在降低时延的同时会引起系统能耗增加.针对安全通信与降低能耗问题,提出一种基于混合协作NOMA的安全边缘计算传输方法.该方法对每个用户数据处理过程设计了多时隙混合协作方案,根据不同用户的信道条件分别设置卸载决策,保证用户间公平,并推导出系统保密中断概率的闭合表达式.然后以最小化系统能耗为 目标,采用基于块坐标下降的三步迭代优化算法求得最优卸载方案.仿真结果显示,所提出的传输方法能在保证信息安全的条件下有效地减少系统能耗....

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Published in系统工程与电子技术 Vol. 46; no. 3; pp. 1116 - 1124
Main Authors 余雪勇, 傅新程, 朱洪波
Format Journal Article
LanguageChinese
Published 南京邮电大学教育部泛在网络健康服务系统工程研究中心,江苏南京 210003 01.03.2024
南京邮电大学江苏省无线通信重点实验室,江苏南京 210003
Subjects
中断概率
block coordinate descent
outage probability
物理层安全
块坐标下降
非正交多址接入
mobile edge computing
physical layer security
移动边缘计算
non-orthogonal multiple access(NOMA)
Online AccessGet full text
ISSN1001-506X
DOI10.12305/j.issn.1001-506X.2024.03.39

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Abstract TP929.5; 非正交多址接入(non-orthogonal multiple access,NOMA)技术的广泛应用改变了传统物理层安全对用户传输速率的限制,在降低时延的同时会引起系统能耗增加.针对安全通信与降低能耗问题,提出一种基于混合协作NOMA的安全边缘计算传输方法.该方法对每个用户数据处理过程设计了多时隙混合协作方案,根据不同用户的信道条件分别设置卸载决策,保证用户间公平,并推导出系统保密中断概率的闭合表达式.然后以最小化系统能耗为 目标,采用基于块坐标下降的三步迭代优化算法求得最优卸载方案.仿真结果显示,所提出的传输方法能在保证信息安全的条件下有效地减少系统能耗.
AbstractList TP929.5; 非正交多址接入(non-orthogonal multiple access,NOMA)技术的广泛应用改变了传统物理层安全对用户传输速率的限制,在降低时延的同时会引起系统能耗增加.针对安全通信与降低能耗问题,提出一种基于混合协作NOMA的安全边缘计算传输方法.该方法对每个用户数据处理过程设计了多时隙混合协作方案,根据不同用户的信道条件分别设置卸载决策,保证用户间公平,并推导出系统保密中断概率的闭合表达式.然后以最小化系统能耗为 目标,采用基于块坐标下降的三步迭代优化算法求得最优卸载方案.仿真结果显示,所提出的传输方法能在保证信息安全的条件下有效地减少系统能耗.
Abstract_FL The extensive application of non-orthogonal multiple access(NOMA)technology has changed the limitations of traditional physical layer security on user transmission rates,increasing system energy consumption while reducing time delay.For the problem of secure communication and energy consumption reduction,a secure edge computing transmission method is proposed based on hybrid collaborative NOMA.This method designs a multi-slot hybrid collaboration scheme for each user's data processing,and sets respective offloading decisions based on the information channel conditions of different users,so as to ensure fairness among users,with closed expressions for the system's secrecy outage probability derived.After that,in a bid to minimize system energy consumption,a three-step iterative optimization algorithm based on block coordinate descent is employed to obtain the optimal unloading scheme.The simulation results demonstrate that the proposed solutions can effectively reduce system energy consumption while ensuring information security.
Author 朱洪波
余雪勇
傅新程
AuthorAffiliation 南京邮电大学江苏省无线通信重点实验室,江苏南京 210003;南京邮电大学教育部泛在网络健康服务系统工程研究中心,江苏南京 210003
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Author_FL FU Xincheng
YU Xueyong
ZHU Hongbo
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DocumentTitle_FL Optimization of energy consumption with hybrid cooperative NOMA for secure MEC
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Keywords 中断概率
block coordinate descent
outage probability
物理层安全
块坐标下降
非正交多址接入
mobile edge computing
physical layer security
移动边缘计算
non-orthogonal multiple access(NOMA)
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Publisher 南京邮电大学教育部泛在网络健康服务系统工程研究中心,江苏南京 210003
南京邮电大学江苏省无线通信重点实验室,江苏南京 210003
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Title 基于混合协作NOMA的安全MEC能耗优化
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