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    • 3. 发明授权
    • Reference symbol multicarrier signal designed to limit intersymbol interference
    • 参考符号多载波信号旨在限制符号间干扰
    • US07292642B2
    • 2007-11-06
    • US10380899
    • 2001-09-20
    • Alberto GonzalezDominique Lacroix-Penther
    • Alberto GonzalezDominique Lacroix-Penther
    • H04L23/02H04L5/12
    • H04L27/2613
    • The invention relates to a multicarrier signal consisting of a temporal succession of symbols formed by a set of data elements, each of said data elements modulating a carrier frequency of said signal, said symbols being organized in successive frames each comprising a plurality of symbols, one of said carrier frequencies modulated, at a given point in time, by one of said data elements being called a carrier.According to the invention, at least some of said frames each comprise at least one reference symbol integrally consisting of reference data elements known at least to one receiver and complying with at least one constraint on the value of at least one of said reference data elements, so as to obtain the reduction, at reception, of at least one interference term affecting at least another of said reference data elements.
    • 本发明涉及由一组数据元素形成的符号的时间序列组成的多载波信号,每个所述数据元素调制所述信号的载波频率,所述符号被组织在连续的帧中,每个帧包括多个符号,一个 所述载波频率在给定时间点被所述数据元素之一调制为载波。 根据本发明,所述帧中的至少一些每个包括由至少一个接收器已知的参考数据元素整体组成的至少一个参考符号,并且符合至少一个所述参考数据元素的值的至少一个约束, 以便在接收时获得影响至少另一个所述参考数据元素的至少一个干扰项。