Title:
ループフィルタ
Document Type and Number:
Japanese Patent JP5685908
Kind Code:
B2
Abstract:
A loop filter include: a register that stores a result of arithmetic operation performed on a complex signal and outputs the stored complex signal; a first multiplier that multiplies the complex signal output from the register and a predetermined coefficient; an absolute value judging unit that outputs a multiplier coefficient used to control such that the amplitude of the complex signal output from the register is held in a predetermined range; a multiplier that multiplies an output from the first multiplier and the multiplier coefficient; a second multiplier that multiplies an input signal and a value (1−the predetermined coefficient); and an adder that adds an output from the multiplier to an output from the second multiplier and inputs a result of addition into the register.
Inventors:
大友 尉央
小泉 伸和
小泉 伸和
Application Number:
JP2010265994A
Publication Date:
March 18, 2015
Filing Date:
November 30, 2010
Export Citation:
Assignee:
富士通株式会社
International Classes:
H03H17/04; H03H17/00; H03H21/00; H04B10/07; H04B10/2507; H04B10/516; H04B10/556; H04B10/58; H04B10/61; H04L27/22
Attorney, Agent or Firm:
Yoshiyuki Osuge
Tamio Tokunaga
Tamio Tokunaga
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