Non-binary multithreshold decoding (qMTD) for gory self-orthogonal codes (qSOC) is considered. The SER performance of qMTD is shown to be close to the results provided by optimum total search methods, which are not re...
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ISBN:
(纸本)9781479941209
Non-binary multithreshold decoding (qMTD) for gory self-orthogonal codes (qSOC) is considered. The SER performance of qMTD is shown to be close to the results provided by optimum total search methods, which are not realizable for non-binary codes in general. qMTD decoders are compared with different decoders for Reed-Solomon codes. The performance provided with qMTD in some cases is unattainable with classical decoders for arbitrary long Reed-Solomon codes. The result of concatenation of qSOC with simple to decode outer codes is described. Method of improving of qMTD decoder's performance for qSOC is offered. Some simulated results obtained by using these two decoding techniques (the base and modified ways) are presented as well. Comparison of the results showed that the change in the threshold element's algorithm can significantly improve speed of qMTD work It's shown that for a larger gain this modification qMTD should be used after conventional decoding iterations.
Method of improving of soft multithreshold decoder's performance for self-orthogonal codes is considered. A modified way of selecting weights coefficients on initial iterations of multithreshold decoding (MTD) at ...
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ISBN:
(纸本)9781467358057
Method of improving of soft multithreshold decoder's performance for self-orthogonal codes is considered. A modified way of selecting weights coefficients on initial iterations of multithreshold decoding (MTD) at high noise is described. Some simulated results obtained by using these two decoding techniques (the base and modified ways) are presented as well. Comparison of the results showed that the change in the computing of weights coefficients can significantly improve decoding parameters of a convolutional code with soft MTD. It's shown that MTD is in many cases as effective as an optimum decoder. MTD implementation complexity is also discussed. MTD is characterized with a very small number of operations, soft versions of these decoders can correct in channels with high enough noise level streams of the data in high-speed communication systems
Method of improving of soft multithreshold decoder's performance for self-orthogonal codes is considered. A modified way of selecting weights coefficients on initial iterations of multithreshold decoding (MTD) at ...
详细信息
ISBN:
(纸本)9781467358064
Method of improving of soft multithreshold decoder's performance for self-orthogonal codes is considered. A modified way of selecting weights coefficients on initial iterations of multithreshold decoding (MTD) at high noise is described. Some simulated results obtained by using these two decoding techniques (the base and modified ways ) are presented as well. Comparison of the results showed that the change in the computing of weights coefficients can significantly improve decoding parameters of a convolutional code with soft MTD. It's shown that MTD is in many cases as effective as an optimum decoder. MTD implementation complexity is also discussed. MTD is characterized with a very small number of operations, soft versions of these decoders can correct in channels with high enough noise level streams of the data in high-speed communication systems
The new majority type decoder for decoding of the nonbinary(symbol) data is described. It is called nonbinary multithreshold decoder(q MTD). The decoder has a property of convergence to the solution of the optimum dec...
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The new majority type decoder for decoding of the nonbinary(symbol) data is described. It is called nonbinary multithreshold decoder(q MTD). The decoder has a property of convergence to the solution of the optimum decoder with keeping linear complexity of implementation, which one is property of threshold procedures. Method of improving of q MTD decoder's performance for self-orthogonal codes is considered. Some simulated results obtained by using these two decoding techniques(the base and modified ways) are presented as well. Comparison of the results showed that the change in the threshold element algorithm can significantly improve speed q MTD. It's shown that for a larger gain this modification q MTD should be used after conventional decoding iterations.
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