发明授权
- 专利标题: Ethernet channel estimation device and method
- 专利标题(中): 以太网信道估计装置及方法
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申请号: US11681199申请日: 2007-03-02
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公开(公告)号: US07548596B2公开(公告)日: 2009-06-16
- 发明人: Kuang-Yu Yen , Meng-Han Hsieh , Hou-Wei Lin , Shieh-Hsing Kuo
- 申请人: Kuang-Yu Yen , Meng-Han Hsieh , Hou-Wei Lin , Shieh-Hsing Kuo
- 申请人地址: TW Science Park, HsinChu
- 专利权人: Realtek Semiconductor Corp.
- 当前专利权人: Realtek Semiconductor Corp.
- 当前专利权人地址: TW Science Park, HsinChu
- 代理商 Winston Hsu
- 主分类号: H04L27/06
- IPC分类号: H04L27/06 ; H04B1/10
摘要:
The apparatus for communication channel estimation device of the present invention includes: a frequency response square computing circuit, to generate a first frequency response corresponding to a first frequency and a second frequency response corresponding to a second frequency according to a input signal, and to square the first and the second frequency response; and an estimating circuit, to estimate a channel length according to the squares of the first frequency and the second frequency response. Wherein the input signal is transmitted in a symbol rate and the first frequency and the second frequency are 1/M and 1/N times of the symbol rate respectively, wherein M and N are in the order of 2.
公开/授权文献
- US20070201583A1 ETHERNET CHANNEL ESTIMATION DEVICE AND METHOD 公开/授权日:2007-08-30