- 专利标题： OFDM transmitter device having a symbol generator for generating non-zero control symbols, and OFDM transmission method including generating non-zero control symbols
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申请号： US18112644申请日： 2023-02-22
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公开(公告)号： US11968071B2公开(公告)日： 2024-04-23
- 发明人: Yoshinobu Matsumura , Tomohiro Kimura , Mikihiro Ouchi
- 申请人： Sun Patent Trust
- 申请人地址： US NY New York
- 专利权人： SUN PATENT TRUST
- 当前专利权人： SUN PATENT TRUST
- 当前专利权人地址： US NY New York
- 代理机构： WENDEROTH, LIND & PONACK, L.L.P.
- 优先权： JP 10002634 2010.01.08
- 分案原申请号： US13254954
- 主分类号： H04L27/26
- IPC分类号： H04L27/26 ; H04L5/00
摘要：
An OFDM transmitter and an OFDM receiver respectively transmit and receive N (N≥2, N is an integer) control symbols. For each control symbol, a guard interval time-domain signal is, for example, identical to a signal obtained by frequency-shifting at least a portion of a useful symbol time-domain signal by an amount different from any other symbol, or to a signal obtained by frequency-shifting one or both of a portion and a span of a useful symbol interval time-domain signal different from any other symbol by a predetermined amount.
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