Shared frequency cell channel estimating apparatus and method
A technology for co-frequency cell and channel estimation, which is applied in the field of channel estimation and can solve problems such as affecting network performance and degrading the performance of joint detection receivers.
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[0112] refer to figure 1 , the device for channel estimation of the same-frequency cell described in the embodiment of the present invention includes: a fast Fourier transform module 1, a sequencer 2 connected to the output of the fast Fourier transform module 1, and a sequencer 2 connected to the fast Fourier transform module 1 and the sequencer 2 The frequency domain interference canceller 3 connected to the output terminal.
[0113] Wherein, the fast Fourier transform module 1 is configured to perform fast Fourier transform on the Midamble sequence received by the terminal and the basic Midamble sequence of each intra-frequency cell and output the transformed sequence.
[0114] The sorter 2 is used to calculate the signal strength of each cell in the same-frequency cell according to the sequence output by the fast Fourier transform module 1, and sort each cell according to the signal strength;
[0115] The frequency domain interference canceller 3 is used to perform channe...
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