基本信息:
- 专利标题： METHOD AND SYSTEM FOR REDUCING INTER CARRIER INTERFERENCE FOR OFDM
- 申请号：EP11766061.3 申请日：2011-02-16
- 公开(公告)号：EP2556637B1 公开(公告)日：2018-10-03
- 发明人： ROH, Dongwook
- 申请人： LG Electronics Inc.
- 申请人地址： 20, Yeouido-dong Yeongdeungpo-gu Seoul 150-721 KR
- 专利权人： LG Electronics Inc.
- 当前专利权人： LG Electronics Inc.
- 当前专利权人地址： 20, Yeouido-dong Yeongdeungpo-gu Seoul 150-721 KR
- 代理机构： Katérle, Axel
- 优先权： US327710P 20100425; US320988P 20100405
- 国际公布： WO2011126210 20111013
- 主分类号： H04L27/26
- IPC分类号： H04L27/26
摘要：
According to one embodiment, a method of encoding a plurality of orthogonal frequency division multiplexing (OFDM) signals is disclosed. The method includes: modulating the plurality of OFDM signals according to a modulation scheme, wherein the modulated OFDM signals are mapped to a first axis and a second axis perpendicular to the first axis, and correspond to a first constellation having a plurality of points symmetric with respect to the first axis and the second axis; and differentially encoding the plurality of OFDM signals according to a second constellation plurality of points defined by shifting a position of one of the first constellation plurality of points toward an origin located at an intersection of the first axis and the second axis.