Reference symbol multicarrier signal designed to limit intersymbol interference
    1.
    发明授权
    Reference symbol multicarrier signal designed to limit intersymbol interference 有权
    参考符号多载波信号旨在限制符号间干扰

    公开(公告)号:US07292642B2

    公开(公告)日:2007-11-06

    申请号:US10380899

    申请日:2001-09-20

    IPC分类号: H04L23/02 H04L5/12

    CPC分类号: H04L27/2613

    摘要: 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.

    摘要翻译: 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。

    Distributed pilot multicarrier signal designed to limit interference affecting said pilots
    2.
    发明授权
    Distributed pilot multicarrier signal designed to limit interference affecting said pilots 有权
    分布式导频多载波信号旨在限制影响所述飞行员的干扰

    公开(公告)号:US07272188B2

    公开(公告)日:2007-09-18

    申请号:US10381178

    申请日:2001-09-20

    IPC分类号: H04L27/28

    CPC分类号: H04L27/2613 H04L27/2698

    摘要: A multicarrier signal, which includes a temporal succession of symbols formed by a set of data elements, each of said data elements modulating a carrier frequency of the signal. The data elements include reference elements called pilots, whereof the value in transmission is known to at least one receiver designed to receive the signal and informative data elements, whereof the value in transmission is not known a priori to the at least one receiver. One of the caffier frequencies is modulated, at a given time, by one of the data elements, being called a carrier. At least one constraint is imposed on the value of at least one of the informative data elements, so as to reduce, in reception, at least one term of interference affecting at least one of the pilots.

    摘要翻译: 一种多载波信号,其包括由一组数据元素形成的符号的时间序列,每个所述数据元素调制该信号的载波频率。 数据元素包括称为导频的参考元件,其中传输中的值对于设计用于接收信号的至少一个接收器和信息数据元素是已知的,其中传输中的值先于该至少一个接收器是未知的。 在给定时间,通过被称为载体之一的数据元素中的一个来调制其中一个卡费尔频率。 对至少一个信息数据元素的值施加至少一个约束,以便在接收时减少影响至少一个导频的至少一个干扰项。