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Description: 介绍了turbo码的编码和通用siso译码模块-Introduced a turbo code encoding and decoding modules General siso
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Size: 5120 |
Author: 柳艾飞 |
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Description: Turbo 码的matlab程序。它巧妙地将两个简单分量码通过伪随机交织器并行级联来构造具有伪随机特性的长码，并通过在两个软入/软出(SISO)译码器之间进行多次迭代实现了伪随机译码。他的性能远远超过了其他的编码方式，得到了广泛的关注和发展，并对当今的编码理论和研究方法产生了深远的影响，信道编码学也随之进入了一个新的阶段 -Turbo code matlab program. It skilfully two simple component codes through pseudo-random interleaver parallel concatenated to construct the long code of a pseudo-random characteristics, and through multiple iterations between the two soft in/soft-output (SISO) decoder a pseudo-random decoding. His performance than other encoding, and get a lot of attention and development, and today' s coding theory and research methods had a profound impact, channel coding theory also entered a new phase
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Size: 60416 |
Author: 石大 |
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Description: 系统仿真了HSDPA中的harq系统，对HARQ系统的吞吐量，重传次数做了分析描述
turbo 码matlab编译码程序，包括map和siso译码算法-Simulation of HSDPA in harq system, HARQ throughput of the system, the number of retransmissions to do the analysis described decoding turbo code matlab procedures, including map and siso decoding algorithm
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Size: 13960192 |
Author: 小小学 |
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Description: To increase th roughput of turbo decoding, a new decoding method is proposed in this letter. The proposed method performs two decoding phases, in-ordered and interleaved ones, simultaneously by using two SISO decoders, which is completely contrast to the conventional decoding approach that conducts one of the two phases alternatively. The two SISO decoders exchange their outputs immediately to accelerate the update of extrinsic information and in turn to reduce the overall decoding latency, increasing the throughput by almost two times. Moreover, the
proposed decoding method can be applied to any turbo code specifi ed in communication standards, because it is not necessary
to modify the encoding process. The effectiveness of the proposed method is verifi ed intensive simulations conducted for 3GPP LTE-Advanced codes.-To increase the throughput of turbo decoding, a new decoding method is proposed in this letter. The proposed method performs two decoding phases, in-ordered and interleaved ones, simultaneously by using two SISO decoders, which is completely contrast to the conventional decoding approach that conducts one of the two phases alternatively. The two SISO decoders exchange their outputs immediately to accelerate the update of extrinsic information and in turn to reduce the overall decoding latency, increasing the throughput by almost two times. Moreover, the
proposed decoding method can be applied to any turbo code specifi ed in communication standards, because it is not necessary
to modify the encoding process. The effectiveness of the proposed method is verifi ed intensive simulations conducted for 3GPP LTE-Advanced codes.
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Size: 1905664 |
Author: oudjani |
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