非理想情況下K層密集異構(gòu)蜂窩網(wǎng)的安全性能分析

黃開枝; 許耘嘉; 丁大釗; 戚曉慧; 陳亞軍

doi:10.11999/JEIT161376

非理想情況下K層密集異構(gòu)蜂窩網(wǎng)的安全性能分析

doi: 10.11999/JEIT161376

基金項目:

國家863計劃項目(2015AA01A708)，國家自然科學(xué)基金(61379006, 61401510, 61521003)

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- 文章訪問數(shù): 1137
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 2016-12-16
- 修回日期: 2017-04-07
- 刊出日期: 2017-10-19

Secrecy Performance Analysis of K-tier Dense Heterogeneous CellularNetworks with Imperfect Channel State Information

Funds:

The National 863 Program of China (2015AA01A708), The National Natural Science Foundation of China (61379006, 61401510, 61521003)

摘要

摘要: 密集異構(gòu)蜂窩網(wǎng)絡(luò)節(jié)點(diǎn)布置的隨機(jī)性、動態(tài)性、復(fù)雜性等特點(diǎn)，導(dǎo)致實際場景中該系統(tǒng)的安全性能受非理想信道估計的影響更嚴(yán)重，然而目前對該系統(tǒng)安全性能的研究主要集中于理想場景，缺乏在非理想場景中的研究。針對這一問題，該文從密集異構(gòu)蜂窩網(wǎng)自身結(jié)構(gòu)及實際部署的特點(diǎn)出發(fā)，分析了信道估計存在誤差時系統(tǒng)的安全性能。首先基于隨機(jī)幾何對系統(tǒng)建模，推導(dǎo)了非理想情況下K層密集異構(gòu)蜂窩網(wǎng)的安全中斷概率；然后分析了部分參數(shù)對系統(tǒng)安全性能的影響；最后，通過仿真驗證了理論推導(dǎo)的有效性。
- 密集異構(gòu)蜂窩 /
- 物理層安全 /
- 信道估計誤差 /
- 安全中斷概率
Abstract: Due to the characteristics of random, dynamic, and complex arrangement of dense heterogeneous cellular network nodes, the secrecy performance of the system is more seriously affected by the non-ideal channel estimation in the actual communication scenario. However, the research on the secrecy performance analysis of the dense heterogeneous cellular network mainly focuses on the ideal scene, but never involves non-ideal scene. To solve this problem, this paper considers the characteristics and actual deployment of the system，and analyzes the secrecy performance of the system when there exist channel estimation errors. First, based on stochastic geometry, the security outage probability of K-tier dense heterogeneous cellular networks is deduced. Then the influence of partial parameters on system security performance is analyzed. Finally, the validity of theoretical derivation is verified by simulation.
- Dense heterogeneous cellular networks /
- Physical layer security /
- Channel estimation errors /
- Security outage probability

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參考文獻(xiàn)(17)

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