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    • 63. 发明申请
    • METHOD AND APPARATUS FOR FILTERING MULTIPLE CHANNELS OF SIGNALS
    • 用于过滤多个信号通道的方法和装置
    • WO2007042994A2
    • 2007-04-19
    • PCT/IB2006053695
    • 2006-10-09
    • KONINKL PHILIPS ELECTRONICS NVZHU XIALI YANHU LIANGLIANG
    • ZHU XIALI YANHU LIANGLIANG
    • H03H17/02H04L1/06
    • H03H17/0292H04B7/04H04L25/03834
    • To reduce chip size and lower cost by using a method of multiplexing a device to filter a plurality of signals, the present invention provides an apparatus for filtering the plurality of signals, comprising: a group of storage units, for storing the plurality of signals, wherein the group of storage units comprises a plurality of storage units, each of which is used to store corresponding signal segments in each signal and output the stored signal segments in a predefined order; and a processing module, for weighting and combining the output signals from the group of storage units, to obtain a plurality of filtered signals corresponding to the multiple channels of signals. The group of storage units may further comprise a group of combining units, for combining output signal segments from the storage units to be processed with a same weight value. The present invention further provides the corresponding method for filtering a plurality of signals. With the method and apparatus of the present invention, the filter size may be reduced significantly and the cost may be lowered.
    • 为了通过使用多路复用装置对多个信号进行滤波的方法来降低芯片尺寸和降低成本,本发明提供了一种用于对多个信号进行滤波的装置,包括:用于存储多个信号的一组存储单元, 其中所述存储单元组包括多个存储单元,每个存储单元用于在每个信号中存储对应的信号段,并以预定义的顺序输出所存储的信号段; 以及处理模块,用于对来自该组存储单元的输出信号进行加权和组合,以获得与多个信道信号对应的多个滤波信号。 该组存储单元还可以包括一组组合单元,用于组合来自要处理的存储单元的输出信号段具有相同的权重值。 本发明还提供了用于过滤多个信号的相应方法。 利用本发明的方法和装置,可以显着降低过滤器尺寸并降低成本。
    • 65. 发明申请
    • METHOD AND APPARATUS OF FREQUENCY ESTIMATION FOR THE DOWNLINK OF TD-SCDMA SYSTEMS
    • TD-SCDMA系统下行频率估计的方法与装置
    • WO2005053258A2
    • 2005-06-09
    • PCT/IB2004052587
    • 2004-11-29
    • KONINKL PHILIPS ELECTRONICS NVLI YANXU LUZHOUDAI YANZHONG
    • LI YANXU LUZHOUDAI YANZHONG
    • H04B1/707H04L27/00
    • H04L27/0014H04B1/7075H04L2027/003H04L2027/0067
    • A method of frequency estimation for the downlink of wireless communication systems, comprising steps of: determining, according to the received radio signals , the phase shift of the midamble and that of the downlink synchronization code of the radio signals respectively; calculating the phase shift difference between the midamble and the downlink synchronization code of the radio signals, according to the determined phase shift of the midamble and that of the downlink synchronization code; estimating the frequency offset of the radio signals , according to the phase shift difference between the midamble and the downlink synchronization code of the radio signals and the relationship between the expected midamble and the downlink synchronization code, e.g. the time interval between the midamble and the downlink synchronization code in communication protocols.
    • 一种用于无线通信系统的下行链路的频率估计方法,包括以下步骤:根据所接收的无线电信号分别确定所述中继码的相移和所述无线信号的下行同步码的相移; 根据确定的中置码相移和下行同步码的相移,计算无线信号的中间码和下行同步码之间的相移差; 根据无线电信号的中间码和下行链路同步码之间的相移差以及预期中间码和下行链路同步码之间的关系,例如估计无线电信号的频率偏移。 通信协议中的中间码和下行链路同步码之间的时间间隔。