| 摘要 |
PROBLEM TO BE SOLVED: To provide a diversity receiver capable of increasing a C/N improvement effect and efficiently performing a diversity reception even without increasing the number of antennas or the like. SOLUTION: In receiving parts 1, 2, receiving signals of the same desired channel band are selected by channel selection parts 5, 6. The receiving signal A of the receiving part 1 is demodulated by a demodulation part 9, supplied to a synthesizing part 13, the receiving signal B of the receiving part 2 is demodulated by a demodulation part 10 and supplied to the synthesizing part 13. In addition, the receiving signals A, B of the receiving parts 1, 2 are added together by an addition part 7, the added signal C is demodulated by a demodulation part 11 and supplied to the synthesizing part 13. Furthermore, the receiving signals A, B of the receiving parts 1, 2 are subtracted by a subtraction part 8, the subtracted signal D is demodulated by a demodulation part 12 and supplied to the synthesizing part 13. In the synthesizing part 13, diversity synthesis is performed to demodulation signals of four systems from the demodulation parts 9-12, the synthetic signal is demodulated by a demodulation part 14 and output from an output part 15. COPYRIGHT: (C)2008,JPO&INPIT
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