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通过对光通信系统的发展趋势和级联码的理论进行分析后,对光通信系统中传统级联码、并行型级联码和交织型级联码三种级联码的性能进行了深入研究。通过理论分析与仿真结果表明:传统级联码冗余度过大,并行型级联码的译码实现过于复杂,而交织型级联码是一种纠错性能优良、冗余度适中、易于实现的码型,更适用于光通信系统。
After analyzing the development trend of optical communication system and the theory of concatenated codes, the performance of three kinds of concatenated codes of conventional concatenated codes, parallel concatenated codes and interleaved concatenated codes in optical communication systems has been deeply studied . The theoretical analysis and simulation results show that the redundancy of traditional concatenated code is too large, and the decoding of parallel concatenated code is too complicated. The interleaved concatenated code is an excellent performance of error correction, moderate redundancy and easy The realized pattern is more suitable for optical communication system.