| 摘要 |
PROBLEM TO BE SOLVED: To provide a reception device and a reception method capable of reducing costs, power consumption and signal processing amount.SOLUTION: A reception device comprises: a plurality of LPF 21, installed in association with I channel signals and Q channel signals to be output from a plurality of BB phase shifters 13, for allowing only low frequency components of a predetermined frequency or less to pass; a plurality of low speed ADC 22, respectively connected to the plurality of LPF 21, for converting the I channel signals and the Q channel signals of the low frequency components into digital signals; and a DSP 23 for extracting a phase difference between a plurality of antenna elements from the outputs of the plurality of low speed ADC 22, and for controlling the plurality of BB phase shifters 13 such that the phases of the I channel signals and the Q channel signals to be output from the plurality of BB phase shifters 13 are aligned. |
