We propose a QNSC pre-coding scheme based on probabilistic shaping of the basis, to reduce the probability of ciphertext bits that are easier to be intercepted. Experiment results show this scheme can improve the security performance by 100% in terms of Eve's cipher text BER.

翻译：我们提出了一种基于基的概率成形的QNSC预编码方案，以降低更容易被截获的密文比特的概率。实验结果表明，该方案在Eve的密文误码率方面可将安全性能提升100%。