发明授权
- 专利标题： Method to reduce peak to average power ratio in multi-carrier modulation receivers
- 专利标题（中）： 降低多载波调制接收机的峰均功率比的方法
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申请号： US13668609申请日： 2012-11-05
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公开(公告)号： US08625715B2公开(公告)日： 2014-01-07
- 发明人: Ravikiran Rajagopal
- 申请人： Advanced Micro Devices, Inc.
- 申请人地址： US CA Sunnyvale
- 专利权人： Advanced Micro Devices, Inc.
- 当前专利权人： Advanced Micro Devices, Inc.
- 当前专利权人地址： US CA Sunnyvale
- 代理机构： Volpe and Koenig, P.C.
- 主分类号： H04L25/49
- IPC分类号： H04L25/49
摘要：
A method for performing channel estimation in an orthogonal frequency division multiplexing (OFDM) signal includes choosing reserved tones to be part of a pilot pattern, and using the reserved tones in the pilot pattern to perform the channel estimation. An apparatus for use in performing channel estimation in an OFDM system includes a receiver configured to receive a transmitted OFDM signal; a pilot symbol extractor configured to extract pilot symbols from the OFDM signal; and a channel estimator configured to perform the channel estimation, including using reserved tones as pilot tones.
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