Invention Application
US20160036554A1 SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD 有权
信号处理装置和信号处理方法

  • Patent Title: SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD
  • Patent Title (中): 信号处理装置和信号处理方法
  • Application No.: US14782838
    Application Date: 2014-02-19
  • Publication No.: US20160036554A1
    Publication Date: 2016-02-04
  • Inventor: Wakako YASUDAJunichi ABE
  • Applicant: NEC CORPORATION
  • Priority: JP2013-081395 20130409
  • International Application: PCT/JP2014/053853 WO 20140219
  • Main IPC: H04J14/06
  • IPC: H04J14/06 H04B10/61
SIGNAL PROCESSING DEVICE AND SIGNAL PROCESSING METHOD
Abstract:
An optical reception device 20 includes an electric signal generation unit 200, a linear compensation unit 301, a nonlinear compensation unit 300, and a second coefficient setting unit 400. The electric signal generation unit 200 generates an electric signal based on an optical signal received over a transmission path 30. The linear compensation unit 301 performs processing for compensating for dispersion that occurs on optical signal in the transmission path 30 to the electric signal, using a first filter coefficient. The second coefficient setting unit 400 determines a second filter coefficient for compensating for a nonlinear effect that occurs on the optical signal in the transmission path 30, using an amount of dispersion that occurs in the transmission path 30. The nonlinear compensation unit 300 performs processing for compensating the electric signal for the nonlinear effect, using the second filter coefficient that is determined by the second coefficient setting unit 400.
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