| 摘要 |
The present invention discloses a method to overcome the self-interference in a TDD radio communications system, utilizing the known DL signals and UL signals to calculate the CIR, then deducting the convolution of the new CIR and the DL signals. The method comprises the steps of: establishing an equation system about how the reflection is constituted assuming that the CIR is known, solving this equation system with respect to the channel impulses response, making the judge by cutting the insignificant channel impulse response taps to zero, calculating the distortion again, then using the post processed CIR and the aforementioned equation system. To eliminate the influence of a strong SYNC1, performing the steps of: reconstruct the detected SYNC1, and average the re constructed SYNC1, feedback the output signal of the reconstructed SYNC1 to supplement the input signal of the next frame signal in the secondary interference elimination algorithm. |
