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High efficiency LDPC code encoder FPGA development
4.0
Application background WIMAX standard uses LDPC code as its optional channel encoding program. The WIMAX standard is the fourth global 3G standard for ITU, WCDMA, CDMA200, and TD-SCDMA in 2007. LDPC code with its excellent error correction performance has become a hot research topic in recent years. The basic encoding algorithm of LDPC code is studied. The algorithm of generating matrix method, the algorithm of the encoding algorithm, RU algorithm and LU algorithm based on approximation, and the implementation of WIMAX standard LDPC encoder based on RU algorithm is studied. Key Technology Comparison of the three kinds of algorithms given in encoding. The generated matrix method and the encoding algorithm based on the approximate triangle do not make full use of the characteristics of the standard LDPC code check matrix. In order to reduce the complexity of the encoder, we adopt the RU algorithm in the standard. The Verilog program has a complete
caomeikesong
2016-08-23
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