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    Procédé et dispositif de décodage d'un signal incident impulsionnel du type à bande ultra large, en particulier pour un système de communication sans fil.
    1.
    发明公开
    Procédé et dispositif de décodage d'un signal incident impulsionnel du type à bande ultra large, en particulier pour un système de communication sans fil. 有权
    一种用于为无线通信系统中解码传入的超宽带脉冲信号，特别的方法和设备

    公开(公告)号：EP1298812A1

    公开(公告)日：2003-04-02

    申请号：EP01402498.8

    申请日：2001-09-27

    申请人： STMicroelectronics S.A. ,  STMicroelectronics N.V.

    发明人： Cattaneo, Chiara ,  Helal, Didier ,  Arnaud, Thierry ,  Lebowsky, Fritz ,  Cattenoz, Régis

    IPC分类号： H04B1/69

    CPC分类号： H04B1/7183 ,  H04B1/71637

    摘要： Le signal incident impulsionnel du type à bande ultra large véhicule des informations numériques codées en utilisant des impulsions de forme théorique connue. Le dispositif de décodage comprend des moyens d'entrée ANT pour recevoir le signal incident et délivrer un signal de base, des moyens de prétraitement CMP recevant le signal de base et aptes à délivrer un signal intermédiaire représentatif du signe du signal de base par rapport à une référence, des moyens d'échantillonnage MECH du signal intermédiaire aptes à délivrer un signal numérique, et des moyens numériques MTN de traitement comportant des moyens de synchronisation et des moyens de décodage MDCD aptes à effectuer une corrélation du signal numérique avec un signal de corrélation de référence correspondant à un signal de base théorique issu de la réception d'une impulsion théorique ayant ladite forme théorique connue.

    摘要翻译： 表示基准信号的符号的中间信号，相对于采样到参考以获得数字信号。 的数字信号与一个参考信号的相关性对应于接收具有已知形状的理论脉冲它产生一个理论基础信号相关。 独立权利要求中包含的，因此为以下内容：<？>（1） - 超宽带型脉冲解码器; 和（2）用于无线传输系统中的终端。

    Method and device for notching the transmission band of an analog signal, in particular an MB-OFDM signal
    4.
    发明公开
    Method and device for notching the transmission band of an analog signal, in particular an MB-OFDM signal 有权
    用于阻挡的模拟信号的传输带，特别是MB-OFDM信号的方法和装置

    公开(公告)号：EP1802063A1

    公开(公告)日：2007-06-27

    申请号：EP05027942.1

    申请日：2005-12-20

    申请人： STMicroelectronics N.V.

    发明人： Kirsch, Miguel ,  Cattenoz, Régis ,  Tanrikulu, Stéphane ,  Cattaneo, Chiara ,  Corsi, Fédérico

    IPC分类号： H04L27/26

    CPC分类号： H04L27/2626 ,  H04B1/719 ,  H04L25/03343 ,  H04L27/2607

    摘要： The method of notching the transmission band of an analog signal to be transmitted and including sub-carriers to be modulated from digital modulation coefficients respectively associated to said sub-carriers, said method comprises providing (30) an initial digital signal from successive frequency-domain groups each containing said digital modulation coefficients respectively associated to said sub-carriers, filtering (31) said initial signal with a frequency resolution greater than the frequency resolution of said frequency-domain groups in order to remove frequencies corresponding to said sub-carriers to be removed and windowing (32) said filtered signal using a windowing mask (WMSK) having a representation in the frequency-domain including a main lobe and secondary lobes, the power spectrum of said lobes decreasing faster than the inverse of the frequency squared.

    Method and device for synchronization in a wireless ultra wide band data communications system
    5.
    发明公开
    Method and device for synchronization in a wireless ultra wide band data communications system 审中-公开
    在einem drahtlosen中的Verfahren und Vorrichtung zur SynchronisierungUltrabreitbanddatennachrichtenübertragungssystem

    公开(公告)号：EP1465354A1

    公开(公告)日：2004-10-06

    申请号：EP03290813.9

    申请日：2003-04-01

    申请人： STMicroelectronics N.V.

    发明人： Cattaneo, Chiara ,  Rinaldi, Nils ,  Frigerio, Matteo ,  Cattenoz, Régis

    IPC分类号： H04B1/69

    CPC分类号： H04B1/7183 ,  H04B2001/6908

    摘要： The incident signal contains a preamble including a training sequence having a series of pulses whose polarity and time shifts are defined by respective polarity code and time-hopping code. The method comprises a digital cross-correlation of the received signal with said training sequence, said cross-correlation step (101) including algebraically summing in accordance with said polarity code (a j ), windows of said received signal, the starting points of said windows being determined by said time-hopping code (c j ), and a detection step for detecting the end point (n synchro ) of the preamble from the result of said cross-correlation step. When the size of the receiving buffer, i.e. the size of the window is smaller than the number N of samples of each replica of the training sequence, it is particularly advantageous that said digital cross-correlation step be performed iteratively in a block-by-block fashion, the computation of each block being split into M slices which are computed by algebraically summing windows N/M samples long.

    摘要翻译： 入射信号包含前导码，其包括具有一系列脉冲的训练序列，其极性和时移由相应的极性码和跳时码定义。 该方法包括接收信号与所述训练序列的数字互相关，所述互相关步骤（101）包括根据所述极性码（aj）的代数求和，所述接收信号的窗口，所述窗口的起始点 由所述时间跳跃码（cj）确定，以及检测步骤，用于从所述互相关步骤的结果中检测前导码的终点（nsynchro）。 当接收缓冲器的大小（即，窗口的大小）小于训练序列的每个副本的样本数N时，特别有利的是，所述数字互相关步骤以逐个方式迭代地执行， 每个块的计算被分割成通过代数求和窗口N / M样本长的M个片段。