Inventor
STRAWCZYNSKI LEO
CA54 patents
⚠️ This page may combine multiple inventors who share the name “STRAWCZYNSKI LEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NORTEL NETWORKS LTD
25 patentsUS6985434B2Jan 10, 2006
Adaptive time diversity and spatial diversity for OFDM
NORTEL NETWORKS LTD365 citations99
US6389034B1May 14, 2002
System for providing stream based and packet based services
NORTEL NETWORKS LTD200 citations99
US6154659ANov 28, 2000
Fast forward link power control in a code division multiple access system
NORTEL NETWORKS LTD270 citations99
US6373842B1Apr 16, 2002
Unidirectional streaming services in wireless systems
NORTEL NETWORKS LTD150 citations98
US6249245B1Jun 19, 2001
GPS and cellular system interworking
NORTEL NETWORKS LTD239 citations98
US6230018B1May 8, 2001
Devices and processing in a mobile radio communication network having calibration terminals
NORTEL NETWORKS LTD243 citations98
US6373831B1Apr 16, 2002
Systems and methods of channel coding and inverse-multiplexing for multi-carrier CDMA systems
NORTEL NETWORKS LTD95 citations97
US6236359B1May 22, 2001
Cellular terminal location using GPS signals in the cellular band
NORTEL NETWORKS LTD129 citations97
US6097712AAug 1, 2000
Multi-carrier CDMA communications systems
NORTEL NETWORKS LTD120 citations97
US7382984B2Jun 3, 2008
Electrical domain compensation of optical dispersion in an optical communications system
NORTEL NETWORKS LTD51 citations96
US7336601B2Feb 26, 2008
Adaptive time diversity and spatial diversity for OFDM
NORTEL NETWORKS LTD50 citations96
US6249253B1Jun 19, 2001
Mobile radiotelephone determination using time of arrival of GPS and pilot signals
NORTEL NETWORKS LTD56 citations96
US6378069B1Apr 23, 2002
Apparatus and methods for providing software updates to devices in a communication network
NORTEL NETWORKS LTD121 citations95
US7688710B2Mar 30, 2010
Adaptive time diversity and spatial diversity for OFDM
NORTEL NETWORKS LTD28 citations93
US7457538B2Nov 25, 2008
Digital performance monitoring for an optical communications system
NORTEL NETWORKS LTD18 citations93
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
US6618430B1Sep 9, 2003
Methods and apparatus for receiving N-chip resistant codes
NORTEL NETWORKS LTD25 citations92
US6317422B1Nov 13, 2001
Methods and apparatus of N-chip resistant spreading in CDMA systems
NORTEL NETWORKS LTD28 citations92
US6148422ANov 14, 2000
Telecommunication network utilizing an error control protocol
NORTEL NETWORKS LTD50 citations92
US6628641B1Sep 30, 2003
Header error detection for wireless data cells
NORTEL NETWORKS LTD32 citations91
US6381232B1Apr 30, 2002
Handoff procedures based on broadband networks
NORTEL NETWORKS LTD31 citations91
US6880088B1Apr 12, 2005
Secure maintenance messaging in a digital communications network
NORTEL NETWORKS LTD43 citations87
US6522633B1Feb 18, 2003
Conferencing arrangement for use with wireless terminals
NORTEL NETWORKS LTD19 citations84
US7680420B1Mar 16, 2010
Optical E-field modulation using a directly driven laser
NORTEL NETWORKS LTD16 citations82
NORTHERN TELECOM LTD
9 patentsUS5239676AAug 24, 1993
Intra-cell call hand-over in radio communication systems with dynamic channel allocation
NORTHERN TELECOM LTD125 citations97
US5345597ASep 6, 1994
Call set-up in a radio communication system with dynamic channel allocation
NORTHERN TELECOM LTD61 citations96
US5229995AJul 20, 1993
Radio link architecture for wireless communication systems
NORTHERN TELECOM LTD60 citations96
US4920565AApr 24, 1990
Method for connection of secure conference calls
NORTHERN TELECOM LTD50 citations93
US4648108AMar 3, 1987
Conference circuits and methods of operating them
NORTHERN TELECOM LTD38 citations91
US4592070AMay 27, 1986
ADPCM encoder/decoder with improved tracking
NORTHERN TELECOM LTD28 citations89
US4410763AOct 18, 1983
Speech detector
NORTHERN TELECOM LTD45 citations87
US4549304AOct 22, 1985
ADPCM Encoder/decoder with signalling bit insertion
NORTHERN TELECOM LTD17 citations71
US4542516ASep 17, 1985
ADPCM Encoder/decoder with zero code suppression
NORTHERN TELECOM LTD12 citations71
CIENA CORP
6 patentsUS7756421B2Jul 13, 2010
Electrical domain compensation of non-linear effects in an optical communications system
CIENA CORP111 citations98
US7894721B2Feb 22, 2011
Control of parameters in a global optical controller
CIENA CORP26 citations92
US10574352B2Feb 25, 2020
Compensation of transmitter or receiver defects in an optical communications system
CIENA CORP2 citations73
US9853725B2Dec 26, 2017
Optical dispersion compensation in the electrical domain in an optical communications system
CIENA CORP2 citations73
US10164707B2Dec 25, 2018
Optical dispersion compensation in the electrical domain in an optical communications system
CIENA CORP1 citations63
US7894724B2Feb 22, 2011
Method and apparatus for improving dual-polarization optical communication performance
CIENA CORP5 citations63
NORTEL NETWORKS CORP
5 patentsUS6038452AMar 14, 2000
Telecommunication network utilizing a quality of service protocol
NORTEL NETWORKS CORP339 citations98
US5982324ANov 9, 1999
Combining GPS with TOA/TDOA of cellular signals to locate terminal
NORTEL NETWORKS CORP584 citations98
US6070083AMay 30, 2000
Mobile communication device and communication network for providing location services
NORTEL NETWORKS CORP92 citations97
US6138022AOct 24, 2000
Cellular communication network with vocoder sharing feature
NORTEL NETWORKS CORP59 citations95
US6006189ADec 21, 1999
Method and apparatus for storing and forwarding voice signals
NORTEL NETWORKS CORP71 citations95
APPLE INC
2 patentsBELL NORTHERN RESEARCH LTD
1 patentMCNICOL JOHN
1 patentWU SHIQUAN
1 patentShowing the top 50 of 54 patents by PatentIndex Score.