Working method of spatial modulation system based on deep denoising neural network
A technology of spatial modulation and working method, which is applied in neural learning methods, biological neural network models, transmission systems, etc., and can solve the problem that spatial modulation detection technology is not widely developed.
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[0073] A working method for spatially modulated systems based on deep denoising neural networks such as figure 1 As shown, the spatial modulation system includes a transmitter, N t root transmitting antenna, N r Root receiving antenna, receiver, constructed deep denoising autoencoder model; N t =8,N r = 4, the set of modulation symbols used by the transmitter is The modulation order is M; the transmission of the system space domain information is still based on the principle of antenna switching. According to the mapping rule of spatial modulation, the steps are as follows:
[0074] (1) The transmitter maps the bit information, and the serial-to-parallel converted bit information is mapped to the corresponding signal vector x, x=e i s, is a unit vector whose i-th element is 1 and the rest of the elements are 0, the modulation symbol means N t A set of ×1-dimensional real matrixes;
[0075] (2) The signal vector x activates the i-th transmit antenna and then sends...
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