非理想情況下K層密集異構(gòu)蜂窩網(wǎng)的安全性能分析
發(fā)布時間:2018-10-26 13:30
【摘要】:密集異構(gòu)蜂窩網(wǎng)絡(luò)節(jié)點布置的隨機性、動態(tài)性、復(fù)雜性等特點,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。
[Abstract]:The randomness, dynamics and complexity of the node arrangement in dense heterogeneous cellular networks make the security performance of the system more seriously affected by the non-ideal channel estimation. However, the current research on the security performance of the system is mainly focused on the ideal scenario, lack of research in the non-ideal scenario. To solve this problem, this paper analyzes the security performance of the system when channel estimation errors exist, based on the characteristics of dense heterogeneous cellular networks and their actual deployment. Firstly, based on the stochastic geometry model, the security interruption probability of K-layer dense heterogeneous cellular network is derived, and then the influence of some parameters on the security performance of the system is analyzed. Finally, the validity of the theoretical derivation is verified by simulation.
【作者單位】: 國家數(shù)字交換系統(tǒng)工程技術(shù)研究中心;
【基金】:國家863計劃項目(2015AA01A708) 國家自然科學(xué)基金(61379006,61401510,61521003)~~
【分類號】:TN929.5
[Abstract]:The randomness, dynamics and complexity of the node arrangement in dense heterogeneous cellular networks make the security performance of the system more seriously affected by the non-ideal channel estimation. However, the current research on the security performance of the system is mainly focused on the ideal scenario, lack of research in the non-ideal scenario. To solve this problem, this paper analyzes the security performance of the system when channel estimation errors exist, based on the characteristics of dense heterogeneous cellular networks and their actual deployment. Firstly, based on the stochastic geometry model, the security interruption probability of K-layer dense heterogeneous cellular network is derived, and then the influence of some parameters on the security performance of the system is analyzed. Finally, the validity of the theoretical derivation is verified by simulation.
【作者單位】: 國家數(shù)字交換系統(tǒng)工程技術(shù)研究中心;
【基金】:國家863計劃項目(2015AA01A708) 國家自然科學(xué)基金(61379006,61401510,61521003)~~
【分類號】:TN929.5
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