Post-selection Based Generalized Kennedy Receiver for Discriminating Binary Coherent States

机译：基于后选择的广义肯尼迪接收器，用于辨别二元相干状态

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The generalized Kennedy receiver can be used to improve the secret key rate of continuous variable quantum key distribution protocol and thus attracts much attention recently. In this letter, we analytically study the performance of the post-selection based generalized Kennedy receiver in the presence of thermal noise. To improve the performance of the generalized Kennedy receiver, we optimize the displacement operation for different post-selection parameter and different thermal noises. Numerical results show that the thermal noise can greatly degrade the performance of the post-selection based generalized Kennedy receiver. Besides, the resistance of the generalized Kennedy receiver to the thermal noise can be improved by choosing an appropriate post-selection parameter.

机译：广义肯尼迪接收器可用于提高连续变量量子密钥分布协议的秘密密钥率，从而最近引起了很多关注。在这封信中，我们分析了在热噪声的存在下基于选择的广义肯尼迪接收器的性能。为了提高通用盖然地接收器的性能，我们优化了不同选区后参数和不同热噪声的位移操作。数值结果表明，热噪声可以大大降低基于后选择的广义肯尼迪接收器的性能。此外，通过选择适当的选择接收参数，可以改善广义的肯尼迪接收器对热噪声的电阻。

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《International Wireless Communications and Mobile Computing Conference》|2021年|1231-1235|共5页
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Mufei Zhao; Renzhi Yuan; Julian Cheng; Shuai Han;
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Wireless communication; Performance evaluation; Protocols; Thermal resistance; Quaternions; Receivers; Thermal noise;

机译：无线通信;性能评估;协议;热阻;四元数;接收器;热噪声;

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Post-selection Based Generalized Kennedy Receiver for Discriminating Binary Coherent States

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