基于攜能通信的非信任雙向中繼網(wǎng)絡(luò)安全傳輸方案

歐靜蘭; 余歡歡; 吳皓威; 馬銳; 王柳彬

doi:10.11999/JEIT200069

基于攜能通信的非信任雙向中繼網(wǎng)絡(luò)安全傳輸方案

doi: 10.11999/JEIT200069

歐靜蘭^{1, 3},
余歡歡¹,
吳皓威^{1, 2, 3, ,},
馬銳¹,
王柳彬¹

1.
重慶大學(xué)微電子與通信工程學(xué)院　重慶　400044
2.
重慶大學(xué)通信與測控中心　重慶　400044
3.
空天地網(wǎng)絡(luò)互連與信息融合重慶市重點實驗室　重慶　400044

基金項目: 民用航天十三五預(yù)研項目(D010201)，重慶市科技創(chuàng)新專項院士基金(cstc2018zdcy-yszxX0001, cstc2017zdcy-yszx0008)，國家留學(xué)基金委項目(201908505018)

詳細(xì)信息

作者簡介:
歐靜蘭：女，1981年生，副教授，碩士生導(dǎo)師，主要研究方向為寬帶無線通信、中繼通信等

余歡歡：女，1995年生，碩士生，研究方向為物理層安全

吳皓威：男，1981年生，副研究員，博士生導(dǎo)師，主要研究方向為無線局域網(wǎng)、寬帶無線通信等

馬銳：女，1993年生，博士生，研究方向為物理層安全

王柳彬：男，1996年生，碩士生，研究方向為物理層安全

通訊作者:
吳皓威　wuhaowei@cqu.edu.cn

中圖分類號: TN929.5
計量
- 文章訪問數(shù): 1934
- HTML全文瀏覽量: 652
- PDF下載量: 79
- 被引次數(shù): 0
出版歷程
- 收稿日期: 2020-01-16
- 修回日期: 2020-06-14
- 網(wǎng)絡(luò)出版日期: 2020-07-16
- 刊出日期: 2020-12-08

Security Transmission Scheme for Two-way Untrusted Relay Networks Based on Simultaneous Wireless Information and Power Transfer

Jinglan OU^{1, 3},
Huanhuan YU¹,
Haowei WU^{1, 2, 3
, ,},
Rui MA¹,
Liubin WANG¹

1.
School of Microelectronics and Communication Engineering, Chongqing University, Chongqing 400044, China
2.
Center of Communication and Tracking Telemetry Command, Chongqing University, Chongqing 400044, China
3.
Chongqing Key Laboratory of Space Information Network and Intelligent Information Fusion, Chongqing 400044, China

Funds: The Advanced Research Project of Civil Aerospace Technologies in 13th Five-year Plan (D010201), The Academician Fund of Chongqing Science and Technology Innovation Guidance Project (cstc2018zdcy-yszxX0001, cstc2017zdcy-yszxX0008), The China Scholarship Council Project(201908505018)

摘要

摘要:
針對非信任雙向中繼網(wǎng)絡(luò)的能量受限和信息安全問題，該文提出一種基于無線攜能通信(SWIPT)與人工噪聲輔助的物理層安全傳輸方案。該方案中的非信任中繼采用功率分割(PS)策略輔助合法用戶進(jìn)行保密通信，而全雙工干擾機(jī)在進(jìn)行能量采集的同時發(fā)送人工噪聲以確保系統(tǒng)安全。以最大化系統(tǒng)保密性能為目標(biāo)，優(yōu)化了中繼的PS因子，推導(dǎo)了保密和速率的解析式及高信噪比條件下最佳PS因子的閉式解。特別針對非理想信道狀態(tài)信息的情況，分析了信道估計誤差對系統(tǒng)保密性能的影響。仿真結(jié)果驗證了理論推導(dǎo)的正確性，并證明了所提的基于PS策略的干擾機(jī)協(xié)同傳輸方案相比采用時間切換(TS)策略或目的節(jié)點協(xié)同干擾的方案具有更優(yōu)的保密性能。
- 無線攜能通信 /
- 功率分割 /
- 非信任中繼 /
- 保密和速率 /
- 人工噪聲
Abstract:
The physical-layer security transmission scheme based on Simultaneous Wireless Information and Power Transfer (SWIPT) and artificial noise-aided is proposed to solve the energy-constrained and information security issues upon the two-way untrusted relay networks. The Power Splitting (PS) strategy is adopted by the untrusted relay to assist the confidential communication, where a full-duplex jammer is assigned to send the artificial noise while harvesting energy, to ensure the system security. The PS factor is optimized to maximize the secrecy performance, and then the closed-form expressions of the secrecy sum-rate and optimal PS ratio are derived in the high signal-to-noise ratio regime. Besides, the impacts of the channel estimation error on the system security are analyzed for the imperfect channel state information. Simulation results validate the correctness of the theoretical derivation and demonstrate that the proposed transmission scheme based on PS strategy and friendly jammer outperforms that based on the Time Switching (TS) strategy or destination-aided jamming.
- Simultaneous Wireless Information and Power Transfer (SWIPT) /
- Power Splitting (PS) /
- Untrusted relay /
- Secrecy sum-rate /
- Artificial noise

HTML全文

圖 1 基于SWIPT的非信任雙向中繼網(wǎng)絡(luò)模型

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圖 2 非信任雙向中繼網(wǎng)絡(luò)的信息與能量傳輸過程

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圖 3 保密和速率Rs隨TS因子$\alpha $與PS因子$\rho $的變化曲線

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圖 4 節(jié)點通信距離變化時保密和速率Rs隨PS因子$\rho $的變化曲線

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圖 5 最佳PS因子${\rho ^*}$和對應(yīng)的Rs^*隨發(fā)射信噪比$\lambda $變化曲線

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圖 6 非理想CSI條件下的保密和速率Rs隨不同鏈路的誤差界${\varepsilon _{ij}}$和發(fā)射信噪比$\lambda $的變化曲線

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