Channel estimation method and channel estimation device
A technology of channel estimation and insertion position, applied in baseband system components, multi-frequency code systems, etc., can solve problems such as affecting the accuracy of channel estimation, affecting the transmission performance of pilot symbols, and mutual interference of sub-carriers
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[0089] Hereinafter, the implementation of the channel estimation method and device according to the embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0090] figure 1 It is the first channel estimation method in the embodiment of the present invention, which can be set at the sending end of the pilot symbol; for example figure 1 As shown, the method includes:
[0091] Step 101: Determine the pilot subcarrier spacing and the insertion position offset value of adjacent frequency domain pilot symbols;
[0092] Step 102: According to the pilot carrier spacing and the insertion position offset value of adjacent frequency domain pilot symbols, insert the frequency domain pilot symbols into the effective subcarriers corresponding to the frequency domain pilot symbols;
[0093] Step 103: Determine a time-domain pilot symbol according to the frequency-domain symbol sequence obtained after the insertion process;
[0094] St...
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