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在深入研究 Turbo码译码算法的基础上 ,提出一种高效实现 log- MAP算法的硬件结构 ,基于此结构实现的用于宽带码分多址系统的 Turbo码译码器具有较低的误码率和较小的译码延迟
Based on the deep research of Turbo decoding algorithm, a hardware structure of log-MAP algorithm is proposed. Based on this structure, Turbo decoder used in wideband CDMA system has lower error rate Rate and smaller decoding delay