| 摘要 |
PROBLEM TO BE SOLVED: To reduce processing of FFT, differential detection, or the like by performing diversity synthesis before converting a reception signal into frequency domain, and to properly define an FFT starting point by calculating a delay profile for each antenna.SOLUTION: A receiver performs FFT after diversity synthesis by rotating phase for at least one reception signal. The receiver obtains a delay profile for each antenna on the basis of a delay profile for the synthesized signal and an amount of phase rotation, and defines a starting point of FFT for each reception signal on the basis of the delay profile of each antenna. A reception signal is delayed so as to align an FFT starting point. The phase rotation angle is set for each frame. |
