Estimation method of two-dimensional discrete Fourier transform channel with phase compensation
A technology of Fourier transform and inverse Fourier transform, applied in baseband system components, multi-frequency code systems, etc., can solve problems such as inseparability, achieve the effects of improving performance, overcoming inseparability, and reducing computational complexity
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[0015] In order for those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0016] figure 1 In the OFDM baseband system model used in this embodiment, it can be seen from the figure that the frequency domain signal S(k) of the transmitting end is subjected to inverse discrete Fourier transform (IDFT) to obtain the time domain transmitted signal s(n), and after adding After the cyclic protection prefix (CP), it is s...
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