Invention Grant
- Patent Title: Symbol timing estimation for coherent polarization multiplex optical receivers
- Patent Title (中): 相干偏振复用光接收机的符号定时估计
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Application No.: US14369857Application Date: 2012-12-28
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Publication No.: US09584250B2Publication Date: 2017-02-28
- Inventor: Stefano Calabro , Christina Hebebrand , Werner Rosenkranz , Bernhard Spinnler
- Applicant: Xieon Networks S.a.r.l.
- Applicant Address: LU Luxembourg
- Assignee: Xieon Networks S.a.r.l.
- Current Assignee: Xieon Networks S.a.r.l.
- Current Assignee Address: LU Luxembourg
- Agency: Nelson Mullins Riley & Scarborough LLP
- Priority: EP11196231 20111230
- International Application: PCT/EP2012/077019 WO 20121228
- International Announcement: WO2013/098369 WO 20130704
- Main IPC: H04B10/20
- IPC: H04B10/20 ; H04B10/06 ; H04J14/06 ; H04B10/61 ; H04L7/027 ; H04L27/26 ; H04L25/03
Abstract:
A received POLMUX signal is rotated by fixed rotation parameters (Rot0, Rot1, Rot2) and the rotated POLMUX signal with optimal signal performance is selected and phase information is derived from both polarities. A pre-filter improves the timing accuracy.
Public/Granted literature
- US20140369685A1 SYMBOL TIMING ESTIMATION FOR COHERENT POLARIZATION MULTIPLEX OPTICAL RECEIVERS Public/Granted day:2014-12-18
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