Full Text:   <260>

Suppl. Mater.: 

CLC number: TN929.5

On-line Access: 2024-05-06

Received: 2022-11-26

Revision Accepted: 2024-05-06

Crosschecked: 2023-08-09

Cited: 0

Clicked: 346

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Na LI

https://orcid.org/0000-0002-3801-274X

Yuanyuan GAO

https://orcid.org/0000-0002-0839-0248

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Frontiers of Information Technology & Electronic Engineering  2024 Vol.25 No.4 P.500-512

http://doi.org/10.1631/FITEE.2200599


Secure resource allocation against colluding eavesdropping in a user-centric cell-free massive multiple-input multiple-output system


Author(s):  Na LI, Yuanyuan GAO, Kui XU, Xiaochen XIA, Huazhi HU, Yang LI, Yueyue ZHANG

Affiliation(s):  College of Communication Engineering, Army Engineering University of PLA, Nanjing 210007, China

Corresponding email(s):   linalala@yeah.net, njyygao@sina.com

Key Words:  Cell-free, Colluding eavesdropping, Limited pilot resources, Access point selection, Security rate


Na LI, Yuanyuan GAO, Kui XU, Xiaochen XIA, Huazhi HU, Yang LI, Yueyue ZHANG. Secure resource allocation against colluding eavesdropping in a user-centric cell-free massive multiple-input multiple-output system[J]. Frontiers of Information Technology & Electronic Engineering, 2024, 25(4): 500-512.

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author="Na LI, Yuanyuan GAO, Kui XU, Xiaochen XIA, Huazhi HU, Yang LI, Yueyue ZHANG",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="25",
number="4",
pages="500-512",
year="2024",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.2200599"
}

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%T Secure resource allocation against colluding eavesdropping in a user-centric cell-free massive multiple-input multiple-output system
%A Na LI
%A Yuanyuan GAO
%A Kui XU
%A Xiaochen XIA
%A Huazhi HU
%A Yang LI
%A Yueyue ZHANG
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%I Zhejiang University Press & Springer
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T1 - Secure resource allocation against colluding eavesdropping in a user-centric cell-free massive multiple-input multiple-output system
A1 - Na LI
A1 - Yuanyuan GAO
A1 - Kui XU
A1 - Xiaochen XIA
A1 - Huazhi HU
A1 - Yang LI
A1 - Yueyue ZHANG
J0 - Frontiers of Information Technology & Electronic Engineering
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/FITEE.2200599


Abstract: 
We investigate the resource allocation problem of a cell-free massive multiple-input multiple-output system under the condition of colluding eavesdropping by multiple passive eavesdroppers. To address the problem of limited pilot resources, a scheme is proposed to allocate the pilot with the minimum pollution to users based on access point selection and optimize the pilot transmission power to improve the accuracy of channel estimation. Aiming at the secure transmission problem under a colluding eavesdropping environment by multiple passive eavesdroppers, based on the local partial zero-forcing precoding scheme, a transmission power optimization scheme is formulated to maximize the system’s minimum security spectral efficiency. Simulation results show that the proposed scheme can effectively reduce channel estimation error and improve system security.

以用户为中心的去蜂窝大规模多输入多输出系统中抗协作窃听的安全资源分配

李娜,高媛媛,许魁,夏晓晨,胡华智,李扬,张月月
中国人民解放军陆军工程大学通信工程学院,中国南京市,210007
摘要:本文研究在多个被动窃听者协作窃听的情况下,去蜂窝大规模多输入多输出系统的资源分配问题。为解决导频资源受限的问题,提出在接入点选择的基础上将污染最小的导频分配给用户的方案并优化导频发射功率以提高信道估计精度。针对多个被动窃听者在串通窃听环境下的安全传输问题,基于局部部分迫零预编码方案,提出一种传输功率优化方案,以最大限度地提高系统的最小安全频谱效率。仿真结果表明,该方案能够有效降低信道估计误差,提高系统安全性。

关键词:去蜂窝;协作窃听;导频受限;接入点选择;安全速率

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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