| 摘要 |
PROBLEM TO BE SOLVED: To provide a signal extract method that can compensate interference, independently of an antenna element interval in a radio communication system, where signals are transmitted at a high speed. SOLUTION: In the signal extract method that uses K-sets of beam shaping devices (where K is a natural number of 2 or larger), to which signals received by antennas are applied, this task can be solved by the signal extract method, where the beam shaping devices sequentially process the received signals, a 1st beam shaping device extracts a 1st signal from the received signal, and a k-th (where 2<=k<=K) beam shaping device cancels the signal components included in the receive signals extracted by 1st to (K-1)-th beam shaping devices and extracts the k-th signal.
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