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- W593093295 abstract "AbstractLDPC (low-density parity-check codes) which are a class of error-correcting codes based on the linear block codes of the sparse check matrix with a wide range of applications are close to the Shannon limit up to now. And the related reports are not found in the application of train–ground wireless transmission system. This chapter presents that the LDPC which are in excellent performance apply into the part of the channel code in this kind of system in order to improve safety and reliability and have a far profound significance and a high value of practical application. In this chapter, a class of multi-rate LDPC codes and its simplified decoding algorithms are presented, which apply high level architecture to the train–ground wireless communication system’s simulation and testing platform. By means of simulation of platform, we evaluate the train–ground system BER performance, the performance of joint source channel coding, and sequential decoding using turbo-decoding message-passing (TDMP) algorithm in AWGN channel is compared, and a lower error rate is obtained. The LDPC-based train–ground system attains an order of magnitude improvement in throughput.KeywordsLow-density Parity-check Codes (LDPC)Train GroundJoint Source-channel CodingDecryption AlgorithmLDPC DecodingThese keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves." @default.
- W593093295 created "2016-06-24" @default.
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- W593093295 date "2013-06-15" @default.
- W593093295 modified "2023-10-18" @default.
- W593093295 title "Train–Ground Signal Credible Transmission Platform for Multi-rate LDPC Code" @default.
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- W593093295 doi "https://doi.org/10.1007/978-1-4614-4981-2_160" @default.
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