发明授权
- 专利标题: Adaptive frequency-domain equalization for wireless receivers
- 专利标题(中): 适用于无线接收机的频域均衡
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申请号: US13185091申请日: 2011-07-18
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公开(公告)号: US09130787B2公开(公告)日: 2015-09-08
- 发明人: Thushara Hewavithana , Bernard Arambepola , Sahan S. Gamage , Parveen K. Shukla
- 申请人: Thushara Hewavithana , Bernard Arambepola , Sahan S. Gamage , Parveen K. Shukla
- 申请人地址: US CA Santa Clara
- 专利权人: INTEL CORPORATION
- 当前专利权人: INTEL CORPORATION
- 当前专利权人地址: US CA Santa Clara
- 代理机构: Pillsbury Winthrop Shaw Pittman LLP
- 主分类号: H04B1/00
- IPC分类号: H04B1/00 ; H04L25/02 ; H04L25/03 ; H04L1/00
摘要:
According to various embodiments, devices and methods disclosed herein include performing, using a processor, a linear operation on a first plurality of channel frequency responses and a plurality of corresponding predictor coefficients to estimate a new channel frequency response. Each of the plurality of corresponding predictor coefficients may be updated based on an error value and a second plurality of channel frequency responses to obtain an updated predictor coefficient. The error value may be computed based on an estimated current channel frequency response and a predicted current channel frequency response. The new channel frequency response may be used to equalize a received modulated signal including a single-carrier modulated signal, e.g., a signal modulated using a vestigial sideband modulation scheme, or a quadrature amplitude modulation scheme.
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