A physical layer network coding method based on two-sided low-density parity-check codes
A low-density parity and network coding technology, which is applied in the field of physical layer network coding based on two-sided low-density parity-check codes, can solve problems such as the combination design of multilateral low-density parity-check codes, and achieve good performance advantages and compilation The effect of code complexity reduction
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[0069] The present invention will be further described below in conjunction with the embodiments and examples.
[0070] This embodiment provides a physical layer network coding method based on two-sided low-density parity-check codes, which includes the following steps:
[0071] Step S1: According to the characteristics of the network layer coding model, the TET-LPDC code and the PNC code are combined to encode the TET-LPDC-PNC code;
[0072] Step S2: Combine the degree distribution of the TET-LDPC code to decode the TET-LDPC-PNC code.
[0073] In this embodiment, the difference between the TET-LDPC code and the traditional LDPC code is that the degree distribution representation method of the TET-LDPC code is described from the perspective of "nodes", which can be expressed by two polynomials, namely:
[0074]
[0075] μ(x):=x (1,2) (Formula 2)
[0076] The first polynomial corresponds to the variable node, and the second polynomial corresponds to the check node. Specific parameters c...
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