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    • 2. 发明公开
    • Method and arrangement for signal processing in a receiver that can be tuned to different carriers
    • 方法和装置用于在接收器的信号处理可被调谐到不同载波
    • EP2086116A2
    • 2009-08-05
    • EP09151586.6
    • 2009-01-29
    • ST Wireless SA
    • Aue, VolkerAmiot, Sebastien
    • H04B1/30
    • H04B1/30H04B1/0028H04B1/0046H04B1/1036H04L25/03821H04L27/2657
    • The invention, which relates to a method and an arrangement for signal processing in a receiver that can be tuned to different carriers, is based on the object of providing a method and an associated circuit arrangement for signal processing whereby the outlay in the development and production of receivers that support a plurality of standards and the space requirement on the chip arc reduced. According to the invention, the object formulated is achieved according to the method by virtue of the fact that the energy of the adjacent carriers N + 1 and N - 1, wherein a carrier N contains a signal of interest and the receiver is tuned to it, is determined from the digital signal, in that the energy value of the carriers N + 1 and N - 1 determined are compared with a threshold value, in that in the case where the threshold value is exceeded, a frequency shift of the signal by +Δ f or -Δ f is effected in the second method step prior to the filtering, and in that the frequency shift thus produced is reversed by a frequency shift by -Δ f or +Δ f in the fourth method step prior to the filtering and the signal is decoded.
    • 本发明的,在接收器中涉及一种方法和装置,用于信号处理也可以被调谐到不同的载波,基于提供的方法的对象上,并用于信号处理相关联的电路布置,其中在开发和生产费用 接收器确实支持的标准多元化和芯片弧降低空间需求。 。根据本发明,配制该目的借助于factthat的相邻载波N + 1和N的能量取得雅丁的方法 - 1,worin一个载波N包含感兴趣的信号,并且所述接收器被调谐到它 中,从数字信号的确定性开采,DASS载波N + 1和的能量值N - 1确定性开采与阈值进行比较,在“那个”在超过阈值时,由该信号的频移的情况下 +“F或 - ” f为实现在之前的滤波第二方法步骤,和DASS如此产生由频移由反转的频移 - “F或+” F中之前过滤的第四方法步骤 并且该信号被解码。