发明申请
US20080225895A1 Apparatus and Method for Generating Signal According to Ifdma, and Apparatus for Receiving Signal
有权
根据Ifdma生成信号的装置和方法,以及用于接收信号的装置
- 专利标题: Apparatus and Method for Generating Signal According to Ifdma, and Apparatus for Receiving Signal
- 专利标题(中): 根据Ifdma生成信号的装置和方法,以及用于接收信号的装置
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申请号: US12064424申请日: 2006-08-22
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公开(公告)号: US20080225895A1公开(公告)日: 2008-09-18
- 发明人: Seung-Joon Lee , Jong-Ee Oh , Dong-Seung Kwon
- 申请人: Seung-Joon Lee , Jong-Ee Oh , Dong-Seung Kwon
- 申请人地址: KR Daejeon
- 专利权人: Electronics and Telecommunications Research Institute
- 当前专利权人: Electronics and Telecommunications Research Institute
- 当前专利权人地址: KR Daejeon
- 优先权: KR10-2005-0076836 20050822
- 国际申请: PCT/KR06/03298 WO 20060822
- 主分类号: H04J1/02
- IPC分类号: H04J1/02
摘要:
A signal generation apparatus and signal receiving apparatus according to an Interleaved Frequency Division Multiple Access scheme is provided. The signal generation apparatus generates a plurality of complex symbols by digital-modulating a plurality of data symbols, and rotates the generated plurality of complex symbols in a plurality of each different phase angles. The signal generation apparatus generates a plurality of transmission symbols by repeating a plurality of rotated complex symbols at predetermined times, and rotating the repeatedly generated plurality of transmission chips in phase angles of an orthogonal phase sequence for the respective users. When the signal receiving apparatus receives the plurality of transmission symbols generated as described above, the maximum diversity gain may be obtained.