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    • 1. 发明授权
    • Method and apparatus for decoding an incident UWB signal with inter symbol interferences
    • 用于用符号间干扰来解码入射的UWB信号的方法和装置
    • US07386071B2
    • 2008-06-10
    • US11337029
    • 2006-01-20
    • Lucille RouaultSylvain ChaillouJoseph Boutros
    • Lucille RouaultSylvain ChaillouJoseph Boutros
    • H03K9/04H04L27/06
    • H04L25/4902H04B1/719
    • The method is for decoding an incident UWB signal including successive incident pulses respectively received during successive Pulse Repetition Periods (PRP). The method includes determining a correlation matrix, whose terms respectively represent the correlation between all the M possible symbols transmitted in a current (PRP), and at least in the previous and in the next (PRP), and performing a correlation between an incident current pulse received during a current PRP and the M possible symbols transmitted in the current PRP and at least in the previous and in the next PRPs for obtaining a correlation vector. The method also includes preprocessing the correlation vector including reducing the effect of ISI from the correlation vector by using the correlation matrix, and decoding the preprocessed correlation vector for obtaining the bits of the transmitted symbol included in the incident received current pulse.
    • 该方法用于解码包括在连续脉冲重复周期(PRP)期间分别接收的连续入射脉冲的入射UWB信号。 该方法包括确定相关矩阵,其相关矩阵分别表示在当前(PRP)中传输的所有M个可能符号与至少前一个和下一个(PRP)之间的相关性,并且执行入射电流 在当前PRP期间接收到的脉冲和在当前PRP中以及至少在前一个和下一个PRP中发送的M个可能符号以获得相关向量。 该方法还包括对相关矢量进行预处理,包括通过使用相关矩阵从相关矢量中减少ISI的影响,以及对预处理的相关矢量进行解码,以获得包含在入射接收电流脉冲中的发送符号的位。
    • 2. 发明申请
    • Method and apparatus for decoding an incident UWB signal with inter symbol interferences
    • 用于用符号间干扰来解码入射的UWB信号的方法和装置
    • US20060188002A1
    • 2006-08-24
    • US11337029
    • 2006-01-20
    • Lucille RouaultSylvain ChaillouJoseph Boutros
    • Lucille RouaultSylvain ChaillouJoseph Boutros
    • H04B1/69H03K9/04
    • H04L25/4902H04B1/719
    • The method is for decoding an incident UWB signal including successive incident pulses respectively received during successive Pulse Repetition Periods, each incident pulse including one transmitted symbol among M possible symbols, and the transmitted symbol being corrupted by Inter Symbol Interferences (ISI). The method includes determining a correlation matrix (Γ), whose terms respectively represent the correlation between all the M possible symbols transmitted in a current Pulse Repetition Period, and at least in the previous and in the next Pulse Repetition Periods, and performing a correlation between an incident current pulse received during a current PRP and the M possible symbols transmitted in the current PRP and at least in the previous and in the next PRPs for obtaining a correlation vector (Y). The method also includes preprocessing the correlation vector (Y) including reducing the effect of the ISI from the correlation vector (Y) by using the correlation matrix (Γ), and decoding the preprocessed correlation vector (Y″) for obtaining the bits of the transmitted symbol included in the incident received current pulse.
    • 该方法用于解码包括在连续脉冲重复周期期间分别接收的连续入射脉冲的入射UWB信号,每个入射脉冲包括M个可能符号之间的一个发射符号,并且所发射的符号被Inter符号干扰(ISI)破坏。 该方法包括:确定相关矩阵(Gamma),其相应项分别表示在当前脉冲重复周期中发送的所有M个可能符号与至少在前一个和下一个脉冲重复周期中的相关性,并执行 在当前PRP期间接收到的入射电流脉冲和在当前PRP中以及至少在前一个和下一个PRP中发送的M个可能符号以获得相关矢量(Y)。 该方法还包括对相关矢量(Y)进行预处理,包括通过使用相关矩阵(Gamma)从相关矢量(Y)减少ISI的影响,并对预处理的相关矢量(Y“)进行解码以获得 包含在事件中的发送符号接收电流脉冲。