多層建筑室內(nèi)無線網(wǎng)絡的協(xié)作安全研究

戚曉慧; 黃開枝; 鐘智豪; 金梁; 季新生

doi:10.11999/JEIT170874

多層建筑室內(nèi)無線網(wǎng)絡的協(xié)作安全研究

doi: 10.11999/JEIT170874

基金項目:

國家自然科學基金(61379006, 61471396, 61601514, 61501516, 61521003)

計量
- 文章訪問數(shù): 1240
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2017-09-14
- 修回日期: 2018-01-16
- 刊出日期: 2018-06-19

Secrecy Performance Analysis of Cooperative Transmission for Multi-floor Building Indoor Wireless Networks

Funds:

The National Natural Science Foundation of China (61379006, 61471396, 61601514, 61501516, 61521003)

摘要

摘要: 多層建筑室內(nèi)無線網(wǎng)絡安全問題的特殊性，主要由其具有隨機性、動態(tài)性和復雜性的空間拓撲結(jié)構(gòu)所引起的。針對多層室內(nèi)無線網(wǎng)絡節(jié)點分布隨機、空間結(jié)構(gòu)復雜、損耗類型多樣等特點，該文結(jié)合物理層安全與隨機幾何理論，對多層室內(nèi)無線網(wǎng)絡中的多節(jié)點協(xié)作安全傳輸展開研究。首先，基于多層泊松點過程對K層室內(nèi)無線網(wǎng)絡進行建模；在此基礎上，將協(xié)作傳輸引入多層室內(nèi)無線網(wǎng)絡，并提出該網(wǎng)絡的安全概率分析框架；隨后，結(jié)合理論推導及仿真，分析了樓層總數(shù)、安全速率門限、用戶所處樓層和各層發(fā)射功率配置等因素對多層室內(nèi)無線網(wǎng)絡安全性能的影響。最后，通過仿真驗證了協(xié)作傳輸能夠有效提高室內(nèi)無線網(wǎng)絡的安全性能。
- 室內(nèi)無線網(wǎng)絡 /
- 物理層安全 /
- 協(xié)作傳輸 /
- 安全覆蓋概率
Abstract: The particularity of security threats for Multi-floor building Indoor Wireless Networks (MIWNs) is mainly caused by its stochastic, dynamic and complex spatial topology. According to the features of MIWNs, such as the randomization of node distribution, complexity of spatial structure, and diversification of loss types, physical layer security technologies and stochastic geometry theory are utilized to study the cooperative secrecy transmission in MIWNs. First, a fundamental system model for MIWNs is proposed based on multi-floor Poisson point process. On this basis, cooperative transmission is introduced into MIWNs and an analysis framework to evaluate the secrecy probability for cooperative transmissions in MIWNs is proposed. Then, based on the theoretical analyses and simulation results, the influences of total floor number, secrecy rate threshold, floor number for target user, and the transmit power allocation on secrecy performance in MIWNs are examined. Finally, the simulations verify that the cooperative transmission can effectively improve the secrecy performance of the MIWNs.
- Indoor wireless networks /
- Physical layer security /
- Cooperative transmission /
- Secrecy coverage probability

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參考文獻(17)

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