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- W3132220777 abstract "Abstract In order to improve the transmission efficiency in wireless communication and reduce the bit error rate in the transmission process, a physical-layer network coding(PNC) system with 2FSK modulation and low-density parity check(LDPC) codes as the channel coding is established, and a relay detection scheme for the system is designed. This scheme first obtains the waveform diagram of the signal in the network encoding process. According to the characteristics of 2FSK modulation, and then we can extracts the prior probability soft information by the waveform characteristics, and finally we can combine the log likelihood ratio belief propagation(LLR-BP) algorithm to complete the decoding and relay mapping process. The simulation results show that the system adopts 2FSK modulation and has superior bit error rate performance compared with BPSK modulation. After introducing low-density parity check(LDPC) codes, the system can ensure high-speed transmission of information while effectively improving system Bit error ratio performance." @default.
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- W3132220777 date "2021-02-01" @default.
- W3132220777 modified "2023-09-26" @default.
- W3132220777 title "Joint Design of Physical-layer Network Coding and LDPC Code Modulated by 2FSK" @default.
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- W3132220777 doi "https://doi.org/10.1088/1742-6596/1792/1/012078" @default.
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