发明授权
US07310302B2 Method for estimating time and frequency offset in an OFDM system
有权
用于估计OFDM系统中的时间和频率偏移的方法
- 专利标题: Method for estimating time and frequency offset in an OFDM system
- 专利标题(中): 用于估计OFDM系统中的时间和频率偏移的方法
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申请号: US11095978申请日: 2005-03-31
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公开(公告)号: US07310302B2公开(公告)日: 2007-12-18
- 发明人: Leonard Joseph Cimini, Jr. , Bruce Edwin McNair
- 申请人: Leonard Joseph Cimini, Jr. , Bruce Edwin McNair
- 申请人地址: US NY New York
- 专利权人: AT&T Corp.
- 当前专利权人: AT&T Corp.
- 当前专利权人地址: US NY New York
- 主分类号: H04J11/00
- IPC分类号: H04J11/00 ; H04L27/06 ; H04L27/28
摘要:
A synchronization technique computes, in the frequency domain, a differential-in-frequency function across a large number of OFDM tones, to develop robust estimates of time and frequency offset. The technique allows the system designer to directly trade performance in the presence of channel impairments against signal processing complexity.
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