发明授权
US08542623B2 Use of RF reference in a digital baseband interference cancellation repeater
失效
在数字基带干扰消除中继器中使用RF参考
- 专利标题： Use of RF reference in a digital baseband interference cancellation repeater
- 专利标题（中）： 在数字基带干扰消除中继器中使用RF参考
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申请号： US12686608申请日： 2010-01-13
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公开(公告)号： US08542623B2公开(公告)日： 2013-09-24
- 发明人: James A. Proctor, Jr. , Kenneth M. Gainey , Dhananjay Ashok Gore , Gwendolyn Denise Barriac
- 申请人： James A. Proctor, Jr. , Kenneth M. Gainey , Dhananjay Ashok Gore , Gwendolyn Denise Barriac
- 申请人地址： US CA San Diego
- 专利权人： QUALCOMM Incorporated
- 当前专利权人： QUALCOMM Incorporated
- 当前专利权人地址： US CA San Diego
- 代理商 Jennifer M. Pascua
- 主分类号： H04J1/10
- IPC分类号： H04J1/10
摘要：
A wireless repeater includes an echo canceller to cancel an estimated feedback amount from an input signal and a reference receiver to sample a portion of the transmit signal prior to over-the-air transmission for use as the reference signal for channel estimation. More accurate channel estimation is obtained by using the reference signal from the reference receiver as the reference signal accounts for distortions in the transmitter circuit of the repeater.