For its simple coding and low rate of error identification, the Cyclic Redundancy Check (CRC) is widely used in digital communication system.
循环冗余校验CRC由于编码简单、误判概率低，在通信系统中得到了广泛的应用。
Such high data rate makes it challenging for channel coding design. The error correction coding for LTE should involve both the characteristics of low decoding complexity and good performance.
为了实现实时可靠通信，LTE的纠错编码要求具有：复杂度低、码字随机性好等特点。
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