Invention Grant
- Patent Title: Device for carrier phase recovery
- Patent Title (中): 载体相恢复装置
-
Application No.: US14413478Application Date: 2012-07-09
-
Publication No.: US09231805B2Publication Date: 2016-01-05
- Inventor: Thomas Eriksson , Mats Rydstrom
- Applicant: Thomas Eriksson , Mats Rydstrom
- Applicant Address: SE Stockholm
- Assignee: Telefonaktiebolaget L M Ericsson (Publ)
- Current Assignee: Telefonaktiebolaget L M Ericsson (Publ)
- Current Assignee Address: SE Stockholm
- Agency: Patent Portfolio Builders, PLLC
- International Application: PCT/EP2012/063386 WO 20120709
- International Announcement: WO2014/008914 WO 20140116
- Main IPC: H04B15/00
- IPC: H04B15/00 ; H04L27/227 ; H04L27/00 ; H04L27/20 ; H04L27/36 ; H04L27/38 ; H04L25/03

Abstract:
A transmitter comprising a baseband modulator arranged to modulate a complex baseband signal and to output a complex modulated signal xin(n) with amplitude g and phase q, i.e. xin(n)=g(n)ejq(n), to the input port of a filter, the filter in turn having its output coupled to a transmit unit, said filter being arranged to output a filtered complex output signal xout(n) with amplitude g but phase m, i.e. xout(n)=g(n)ejm(n), so that the filter is arranged to affect the phase but not the amplitude of its input signal. The filter is arranged to have as its transfer function for the phase of its input signal the z-transform F(z)=1+wz−1, where w is a weighting function whose value is determined by means of the additive noise autocorrelation, the phase noise autocorrelation and the signal amplitude of xin.
Public/Granted literature
- US20150215145A1 DEVICE FOR CARRIER PHASE RECOVERY Public/Granted day:2015-07-30
Information query