P

Inventor

ROBERTS KIM B

CA147 patents
⚠️ This page may combine multiple inventors who share the name “ROBERTS KIM B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NORTEL NETWORKS LTD

27 patents
US7769305B1Aug 3, 2010

High-speed digital signal processing in a coherent optical receiver

NORTEL NETWORKS LTD93 citations99
US7636525B1Dec 22, 2009

Signal acquisition in a coherent optical receiver

NORTEL NETWORKS LTD120 citations99
US7701842B2Apr 20, 2010

Low conversion rate digital dispersion compensation

NORTEL NETWORKS LTD113 citations98
US7684712B1Mar 23, 2010

Non-linear equalizer in a coherent optical receiver

NORTEL NETWORKS LTD59 citations98
US7555227B2Jun 30, 2009

Polarization compensation in a coherent optical receiver

NORTEL NETWORKS LTD57 citations98
US7627252B2Dec 1, 2009

Clock recovery from an optical signal with dispersion impairments

NORTEL NETWORKS LTD54 citations97
US7606498B1Oct 20, 2009

Carrier recovery in a coherent optical receiver

NORTEL NETWORKS LTD117 citations97
US7382984B2Jun 3, 2008

Electrical domain compensation of optical dispersion in an optical communications system

NORTEL NETWORKS LTD51 citations96
US6735259B1May 11, 2004

Method and apparatus for optimization of a data communications system using sacrificial bits

NORTEL NETWORKS LTD67 citations96
US6473214B1Oct 29, 2002

Methods of and apparatus for optical signal transmission

NORTEL NETWORKS LTD121 citations95
US7561797B1Jul 14, 2009

Optical signal transmitter with active optical e-field degradation

NORTEL NETWORKS LTD20 citations93
US7457538B2Nov 25, 2008

Digital performance monitoring for an optical communications system

NORTEL NETWORKS LTD18 citations93
US7286564B2Oct 23, 2007

Mapping arbitrary signals into SONET

NORTEL NETWORKS LTD31 citations93
US7221820B2May 22, 2007

High spectral efficiency, high performance optical MUX and DEMUX architecture

NORTEL NETWORKS LTD24 citations93
US7002986B1Feb 21, 2006

Mapping arbitrary signals into SONET

NORTEL NETWORKS LTD24 citations93
US6839523B1Jan 4, 2005

Monitoring distributed gain in an optical transmission system

NORTEL NETWORKS LTD31 citations93
US7532822B2May 12, 2009

Clock recovery from an optical signal with polarization impairments

NORTEL NETWORKS LTD38 citations92
US7522841B2Apr 21, 2009

Efficient data transmission and training of data processing functions

NORTEL NETWORKS LTD46 citations92
US7382985B2Jun 3, 2008

Electrical domain mitigation of polarization dependent effects in an optical communications system

NORTEL NETWORKS LTD50 citations92
US7356256B1Apr 8, 2008

Digital performance monitoring for an optical communications system

NORTEL NETWORKS LTD37 citations92
US7277603B1Oct 2, 2007

Integrated optical waveform modulation

NORTEL NETWORKS LTD32 citations92
US7149432B1Dec 12, 2006

Method and apparatus for equalization across plural data channels

NORTEL NETWORKS LTD26 citations92
US7023942B1Apr 4, 2006

Method and apparatus for digital data synchronization

NORTEL NETWORKS LTD26 citations92
US7245582B1Jul 17, 2007

Protection switching in a multi-stage switch fabric

NORTEL NETWORKS LTD29 citations90
US6781537B1Aug 24, 2004

High speed digital to analog converter

NORTEL NETWORKS LTD36 citations89
US6816487B1Nov 9, 2004

Mapping of high bandwidth connections in a multi-stage switch

NORTEL NETWORKS LTD26 citations86
US6687464B1Feb 3, 2004

Optimization of a communications system based on identification of an optical medium

NORTEL NETWORKS LTD24 citations86

CIENA CORP

11 patents

NORTHERN TELECOM LTD

4 patents

ROBERTS KIM B

3 patents

OVEIS GHARAN SHAHAB

2 patents

SWINKELS GERARD L

2 patents

KHANDANI AMIR

1 patent

Showing the top 50 of 147 patents by PatentIndex Score.