ID |
原文 |
译文 |
47106 |
该方法首先对 MISO 通信系统的 STBC-OFDM 信号建模; |
Firstly, the model of received STBC-OFDM signals in MISO systems was giv-en. |
47107 |
然后利用 STBC-OFDM 信号编码矩阵的相关性,构造不同时延向量下 STBC-OFDM 接收信号 OFDM 块的经验函数作为特征函数; |
Secondly, with the correlation of the coding matrix of STBC-OFDM signals, and the discrimination features functionprovided by the empirical cumulative distribution (CDFs) of the received OFDM blocks was constructed. |
47108 |
最后通过改进 K-S 检测方法检验经验分布函数之间的距离盲识别 STBC-OFDM 信号。 |
Finally, the dis-tance between CDFs was tested by the two-sample K-S test, which could blindly classify the STBC-OFDM signals. |
47109 |
该方法不需要噪声信息、调制信息和信道系数,适合非合作通信场合。 |
Theproposed algorithm didn’t need the estimation of channel, noise statistics and modulation type, and consequently, was wellsuited for non-cooperative communication context. |
47110 |
理论分析和实验验证了该方法的可行性。 |
Theoretical analysis and experimental verify its validity. |
47111 |
Liu 等在 2010 年提出了一种在标准模型下可证明安全的无证书签密算法(简称 LHZ 算法),但后续的研究成果显示 LHZ 算法实际上是不安全的。 |
In 2010, Liu, et al. proposed a certificateless signcryption scheme in the standard model, but many analysesrevealed that Liu’s scheme was insecure in fact. |
47112 |
为了克服 LHZ 算法的不足,首先改进 LHZ 签密算法, |
To overcome the disadvantages, the scheme was improved and a certifi-cateless generalized signcryption scheme was constructed. |
47113 |
然后以此为基本的签密算法提出一种新的无证书广义签密算法。 |
In addition, a formal security model for the proposed schemeagainst the malicious-but-passive KGC attacks was introduced. |
47114 |
同时给出了抵抗有预谋的 KGC 被动攻击(malicious-but-passive KGC attack)的无证书广义签密算法的安全性模型,并在标准模型下证明了该算法在判定性双线性Diffie-Hellman 困难问题和计算性 Diffie-Hellman 困难问题假设下是安全的。 |
Furthermore, the proposed scheme was proven to be se-cure under the decisional bilinear Diffie-Hellman and the computational Diffie-Hellman intractability assumptions in thestandard model. |
47115 |
此外,数值实验结果表明所提方案是有效的。 |
Numerical results illustrate that the proposed algorithm is efficient. |