发明授权
- 专利标题： Demodulator, diversity receiver, and demodulation method
- 专利标题（中）： 解调器，分集接收机和解调方式
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申请号： US11658032申请日： 2005-03-01
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公开(公告)号： US07652527B2公开(公告)日： 2010-01-26
- 发明人: Jun Ido , Mitsuru Takeuchi
- 申请人： Jun Ido , Mitsuru Takeuchi
- 申请人地址： JP Tokyo
- 专利权人： Mitsubishi Electric Corporation
- 当前专利权人： Mitsubishi Electric Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Birch, Stewart, Kolasch & birch, LLP
- 优先权： JP2004-346067 20041130
- 国际申请： PCT/JP2005/003364 WO 20050301
- 国际公布： WO2006/059403 WO 20060608
- 主分类号： H03D3/06
- IPC分类号： H03D3/06
摘要：
A diversity receiver includes: a plurality of demodulating means for demodulating inputted OFDM signals, to output their demodulated signals; noise component calculating means provided for each demodulating means, for calculating noise components included in the demodulated signals outputted from corresponding demodulating means; channel profile calculating means provided for each demodulating means, for calculating channel profiles based upon the demodulated signals outputted from corresponding demodulating means; transmission channel decision means for determining transmission channel based upon the channel profiles; reliability information generating means for generating reliability information indicating reliability of the demodulated signals outputted from each demodulating means, based upon the noise components and the results of the determinations by the transmission channel decision means; a weighting factor calculating means for calculating, depending on the reliability information, weighting factors used in combining the demodulated signals outputted from each demodulating means; and a combining means for combining, depending on the weighting factors, the demodulated signals outputted from each demodulating means.
公开/授权文献
- US20080030265A1 Demodulator, Diversity Receiver, and Demodulation Method 公开/授权日：2008-02-07
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