Experimental results identified as dots and squares; lines indicate the theoretical secure key rate for the PCS-128-APSK irregular, PCS-128-APSK regular, and Gaussian constellations. The trend lines for the 128-APSK and Gaussian constellations use the mean transmission and electrical noise observed experimentally.

In this work, we showed that binomial distribution is the one that better approximates GM. Going from 4 rings 64-APSK to 5 rings 128-APSK increases the performance of the system in terms of transmission distance. Results also show that an increase to …

2022年8月1日 · In this Letter we present a discrete modulated, continuous variables quantum key distribution implementation using two probabilistically shaped, 128-symbol, amplitude and phase shift keying constellations.

In this Letter we present a discrete modulated, continuous variables quantum key distribution implementation using two probabilistically shaped, 128-symbol, amplitude and phase shift keying constellations. At Bob's detection side, a polarization diverse, true heterodyne receiver architecture is implemented for symbol recovery.

The extension of the second generation of the DVB-S2X has further justified this advantage by incorporating higher modulation and coding schemes (MODCODs) such as the 64-APSK, 128-APSK, and 256-APSK. However, with the increasing utilization of on-the-move applications and services, the classical limitations of the satellite links in a mobile ...

This paper investigates the design of 64-APSK and 128-APSK constellations assuming ideal rectangular filtering and perfect pre-compensation and/or post-compensation of the nonlinear effects ...

2019年3月8日 · 不仅如此，上述两种高阶apsk解映射的算法在实现中不可避免的需要计算反三角函数，其复杂度也不容小觑。 对于DVB-S2X标准中的128APSK调制，上述的解映射算法要么不适用，要么实现复杂度很高，需要较大的存储器。

本发明公开了一种基于判决域的低复杂度128apsk软解映射方法，主要解决传统解映射算法应用于高阶apsk调制复杂度高不易实现的问题。

2022年7月19日 · In this Letter we present a discrete modulated, continuous variables quantum key distribution implementation using two probabilistically shaped, 128-symbol, amplitude and phase shift keying ...

In this Letter we present a discrete modulated, continuous variables quantum key distribution implementation using two probabilistically shaped, 128-symbol, amplitude and phase shift keying constellations. At Bob’s detection side, a polarization diverse, true heterodyne receiver architecture is implemented for symbol recovery.