Combining MIMO-OFDM soft-decision detection with LDPC code soft log likelihood ratio decoding,a joint iterative detection and decoding algorithm with low complexity and high performance was presented.
结合MIMO-OFDM的软判决检测和LDPC码的软对数似然比译码,本文给出了系统的一种低复杂度高性能的联合迭代检测译码算法。
参考来源 - 基于LDPC码的MIMO·2,447,543篇论文数据，部分数据来源于NoteExpress
结果表明：在短波衰落信道上进行数据传输时采用软判决检测可以大大提高系统性能。
According to the result of data error code experiment, white noise experiment and SW communication on spot experiment, the quantitative analysis of soft judgment detection on SW signal is presented.
实验结果表明，软判决检测的比特错误率普遍低于硬判决检测的比特错误率，在高斯噪声情况下，甚至能低0.169。
Experimental results indicate that the Bit Error Rate (BER) of soft-decision detection femains lower than that of hard-decision detection, even 0.169 lower in gaussian noises.
在分布式检测系统中，对于融合中心采用软判决融合的情况，大多数研究都假定各传感器的量化位数相同，而没有考虑各传感器量化位数之间的关系。
Most researches assume that the quantization bits of all sensors are identical for distributed detection system adopting soft decision fusion, and ignore the relationships among them.
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