Signal reception and detection method, mobile terminal and method and device for signal transmission
A detection method and a signal reception technology are applied in the fields of signal transmission equipment and signal reception detection, and can solve the problems such as the degradation of the data transmission quality of users at the edge of the cell and the increase of the reception block error rate.
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[0095] In the current scheme, since the transmission power of the pilot symbols is increased, the data symbols at the same time-frequency resource position as the pilot symbols of the neighboring cells will be strongly interfered by the pilot symbols of the neighboring cells at the edge of the cell. In this way, the decoding performance of a mobile terminal (UE) at the edge of the cell deteriorates, and demodulation errors occur. In addition, because the power of the pilot symbol of the adjacent cell is relatively high, the confidence of the soft bit information at the pilot symbol position of the adjacent cell is much higher than that of the data at other positions, which causes error diffusion during soft decision iterative decoding. make performance worse.
[0096] The basic idea of the present invention is not to detect and receive data signals that may be interfered by adjacent cell pilots on the UE side, but only to receive data signals that are not interfered by adjac...
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