2) Log-MAP algorithm
Log-MAP算法
1.
Based on the conventional Log-MAP algorithm for Turbo-codes decoding and the existing algorithm for simplifying Log-MAP,an improved algorithm is presented in this paper.
仿真结果表明,新的算法在大大降低译码复杂度的同时较好地保持了译码性能,使其非常接近Log-MAP算法的译码性能;同时也非常有利于硬件实现。
2.
When turbo decoder is implemented by Log-MAP algorithm, it is necessary to calculate the correction term by look-up table (or other ways).
Log-MAP算法实现Turbo译码时,要用查表等方法进行修正项的近似计算。
3.
Based on Log-MAP algorithm of easy engineering implementation, the two different methods of using extrinsic information, the Berrou and Robertson schemes, are studied deeply in the paper.
以易于工程实现的Log-MAP算法为基础,深入研究了两种不同的外信息使用方式:Berrou方案及Robertson方案,指出两种外信息使用方式具有统一性,不同的是迭代译码过程中对外信息使用权重的处理;在相同约束条件下对基于两种外信息使用方式的Turbo码性能进行蒙特卡罗仿真,结果表明Robertson方案从整体上要略优于Berrou方案。
3) Log-MAP decoding
Log-MAP译码
4) SW-MIN-LOG-MAP
SW MIN-LOG MAP
5) Max-log-MAP algorithm
Max-log-MAP算法
1.
Turbo codes decoder based on MAX-Log-MAP algorithm and DSP chip;
基于MAX-Log-MAP算法和DSP芯片的Turbo译码器
2.
Max-Log-MAP algorithm be used for decoding,Be directed towards this algorithm,the way search for table be used for interleaver design,interleaver speed be improve,implement together in order link use in the decoding appliance for reduce in size delay of decoding.
译码选用Max-Log-MAP算法,针对该算法采用查表法实现交织,以提高交织速度,译码器内部采用并行级联调用,以减小译码延时。
3.
One simplified practical decoding structure of Turbo codes based on Max-Log-MAP algorithm is presented.
提出了一种实用简化的Max-Log-MAP算法Turbo码译码结构。
6) max-log-map decoding
max-log-map译码
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