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Polar coding for the large hadron collider: Challenges in code concatenation

机译:大型强子对撞机的极性编码:代码串联中的挑战

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In this work, we present a concatenated repetition-polar coding scheme that is aimed at applications requiring highly unbalanced unequal bit-error protection, such as the Beam Interlock System of the Large Hadron Collider at CERN. Even though this concatenation scheme is simple, it reveals significant challenges that may be encountered when designing a concatenated scheme that uses a polar code as an inner code, such as error correlation and unusual decision log-likelihood ratio distributions. We explain and analyze these challenges and we propose two ways to overcome them.
机译:在这项工作中,我们提出了级联的重复极性编码方案,该方案针对要求高度不平衡的不均等误码保护的应用,例如CERN的大型强子对撞机的光束互锁系统。即使此级联方案很简单,它也揭示了设计使用极性代码作为内部代码的级联方案时可能遇到的重大挑战,例如错误相关性和异常决策对数似然比分布。我们解释并分析了这些挑战,并提出了两种克服这些挑战的方法。

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