基于K-L變換的無線信道密鑰提取方法
發(fā)布時間:2019-06-27 12:04
【摘要】:為了解決基于無線信道特征的密鑰生成方案中信道特征測量值不互易且高度冗余的問題,提出了一種基于K-L變換的無線信道密鑰提取方法.首先,將K-L變換劃分為信號分組、變換矩陣計算和信號變換3個部分,并對各個部分進行數(shù)學(xué)建模,分別闡明了有交互和無交互2種K-L變換的特點.然后,計算了交互協(xié)方差矩陣或變換矩陣引起的信息泄露率,并分析了2種變換的計算復(fù)雜度.結(jié)果表明,有交互的K-L變換可以提高密鑰的一致性,降低計算復(fù)雜度,泄露信息足以忽略,更加適用于無線信道密鑰生成.
[Abstract]:In order to solve the problem that the measurement values of channel features are not easy and highly redundant in the key generation scheme based on wireless channel features, a wireless channel key extraction method based on K 鈮,
本文編號:2506771
[Abstract]:In order to solve the problem that the measurement values of channel features are not easy and highly redundant in the key generation scheme based on wireless channel features, a wireless channel key extraction method based on K 鈮,
本文編號:2506771
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