在使用滑动窗口的turbo栅格编码调制中节省内存

The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring. Pub Date : 2003-04-22 DOI:10.1109/VETECS.2003.1208807

N. Kim, Myong Seop Yang, Soon-Young Kim, M. Lee

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引用次数: 0

摘要

Patrick Robertson发明的Turbo栅格编码调制(TTCM)利用了TCM的带宽效率和Turbo码的迭代解码，在不扩展带宽的情况下具有更好的性能[P]。Robertson et al.， 1996]。但由于解码器的复杂性，TTCM在硬件实现上存在困难。因此，我们需要高效的调度和数据存储管理。为了解决这一关键问题，我们提出了一种新的TTCM解码器，该解码器采用滑动窗口技术，利用回溯技术实现Virterbi解码器的长路径存储器[a . j .]Viterbi, Feb. 1998]。

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Saving memory in turbo trellis coded modulation using the sliding window

Turbo trellis coded modulation (TTCM) invented by Patrick Robertson adapted the bandwidth efficiency of TCM and iterative decoding of turbo codes and presented better performance without bandwidth expansion [P. Robertson et al., 1996]. But TTCM has a difficulty of implementing a hardware owing to decoder complexity. So, we need efficient scheduling and date storage management. In order to solve this essential problem, we propose a novel TTCM decoder using sliding window technique by using trace back technique, which is popular for realizing long path memories for Virterbi decoders [A.J. Viterbi, Feb. 1998].

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The 57th IEEE Semiannual Vehicular Technology Conference, 2003. VTC 2003-Spring.

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