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发明名称
采用高精度讯号估计技术之接收方法及接收器
摘要
相位旋转单元依据来自校正决定单元之校正讯号旋转数位接收讯号之相位。FWT计算单元使CCK调变讯号接收FWT计算且输出Walsh转换值FWT。最大值搜寻单元接收Walsh转换值FWT且藉由参考其大小选择其中之一。依据所选择的Walsh转换值FWT,最大值搜寻单元输出φ1讯号和φ成分讯号,φ1讯号对应于φ1差分侦测前之讯号而φ成分讯号为φ2至φ4之组合。φ1解调变单元会使φ1讯号接受差分侦测以便产生φ1。第二相位误差侦测单元56依据从φ1解调变单元输出之讯号侦测相位误差。
申请公布号
TW200522575
申请公布日期
2005.07.01
申请号
TW093126470
申请日期
2004.09.02
申请人
三洋电机股份有限公司
发明人
盛合真介;西村直哲
分类号
H04J13/02;H04B7/005
主分类号
H04J13/02
代理机构
代理人
洪武雄;陈昭诚
主权项
地址
日本
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