Inventor · disambiguated record
Leo Strawczynski
Also filed as: STRAWCZYNSKI LEO · STRAWCZYNSKI LEO L
75 granted patents·3 pending applications·4,912 citations·filing 1981–2019
99Inventor score
Top patents by PatentIndex Score
78 records- 0199US6985434B2Adaptive time diversity and spatial diversity for OFDMNORTEL NETWORKS LTD·Filed 2000·Granted Jan 10, 2006·365 cites·67 claims
- 0298US5982324ACombining GPS with TOA/TDOA of cellular signals to locate terminalNORTEL NETWORKS CORP·Filed 1998·Granted Nov 9, 1999·584 cites·17 claims
- 0397US7336601B2Adaptive time diversity and spatial diversity for OFDMNORTEL NETWORKS LTD·Filed 2005·Granted Feb 26, 2008·50 cites·9 claims
- 0497US7072307B2Hybrid ARQ schemes with soft combining in variable rate packet data applicationsNORTEL NETWORKS LTD·Filed 2001·Granted Jul 4, 2006·110 cites·10 claims
- 0596US7756421B2Electrical domain compensation of non-linear effects in an optical communications systemCIENA CORP·Filed 2003·Granted Jul 13, 2010·111 cites·24 claims
- 0696US6907020B2Frame structures supporting voice or streaming communications with high speed data communications in wireless access networksNORTEL NETWORKS LTD·Filed 2001·Granted Jun 14, 2005·144 cites·20 claims
- 0796US6804521B2Multi-beam antenna system for high speed dataNORTEL NETWORKS LTD·Filed 2001·Granted Oct 12, 2004·127 cites·38 claims
- 0896US6154659AFast forward link power control in a code division multiple access systemNORTEL NETWORKS LTD·Filed 1997·Granted Nov 28, 2000·270 cites·20 claims
- 0995US7894721B2Control of parameters in a global optical controllerCIENA CORP·Filed 2006·Granted Feb 22, 2011·26 cites·13 claims
- 1095US7688710B2Adaptive time diversity and spatial diversity for OFDMNORTEL NETWORKS LTD·Filed 2007·Granted Mar 30, 2010·28 cites·7 claims
- 1195US6389034B1System for providing stream based and packet based servicesNORTEL NETWORKS LTD·Filed 1998·Granted May 14, 2002·200 cites·53 claims
- 1295US6038452ATelecommunication network utilizing a quality of service protocolNORTEL NETWORKS CORP·Filed 1997·Granted Mar 14, 2000·339 cites·40 claims
- 1394US7382984B2Electrical domain compensation of optical dispersion in an optical communications systemNORTEL NETWORKS LTD·Filed 2002·Granted Jun 3, 2008·51 cites·31 claims
- 1493US6230018B1Devices and processing in a mobile radio communication network having calibration terminalsNORTEL NETWORKS LTD·Filed 1998·Granted May 8, 2001·243 cites·62 claims
- 1592US8976734B2Hybrid ARQ schemes with soft combining in variable rate packet data applicationsAPPLE INC·Filed 2013·Granted Mar 10, 2015·10 cites·20 claims
- 1692US8781317B1Monitoring phase non-linearities in an optical communication systemROCKSTAR CONSORTIUM US LP·Filed 2013·Granted Jul 15, 2014·12 cites·9 claims
- 1792US6931569B2Dual protocol layer automatic retransmission request scheme for wireless air interfaceNORTEL NETWORKS LTD·Filed 2001·Granted Aug 16, 2005·74 cites·21 claims
- 1892US6249245B1GPS and cellular system interworkingNORTEL NETWORKS LTD·Filed 1998·Granted Jun 19, 2001·239 cites·2 claims
- 1990US7382985B2Electrical domain mitigation of polarization dependent effects in an optical communications systemNORTEL NETWORKS LTD·Filed 2002·Granted Jun 3, 2008·50 cites·33 claims
- 2090US7356256B1Digital performance monitoring for an optical communications systemNORTEL NETWORKS LTD·Filed 2003·Granted Apr 8, 2008·37 cites·44 claims
- 2188US7483389B2Hybrid ARQ schemes with soft combining in variable rate packet data applicationsNORTEL NETWORKS LTD·Filed 2006·Granted Jan 27, 2009·10 cites·30 claims
- 2287US6236359B1Cellular terminal location using GPS signals in the cellular bandNORTEL NETWORKS LTD·Filed 1998·Granted May 22, 2001·129 cites·12 claims
- 2386US7484120B2Dual protocol layer automatic retransmission request scheme for wireless air interfaceNORTEL NETWORKS LTD·Filed 2005·Granted Jan 27, 2009·12 cites·43 claims
- 2486US5229995ARadio link architecture for wireless communication systemsNORTHERN TELECOM LTD·Filed 1991·Granted Jul 20, 1993·60 cites·8 claims
- 2585US8594499B1Monitoring phase non-linearities in an optical communications systemROBERTS KIM B·Filed 2003·Granted Nov 26, 2013·25 cites·9 claims
- 2685US6781537B1High speed digital to analog converterNORTEL NETWORKS LTD·Filed 2003·Granted Aug 24, 2004·36 cites·36 claims
- 2784US10574352B2Compensation of transmitter or receiver defects in an optical communications systemCIENA CORP·Filed 2018·Granted Feb 25, 2020·2 cites·26 claims
- 2884US8837272B2Adaptive time diversity and spatial diversity for OFDMAPPLE INC·Filed 2012·Granted Sep 16, 2014·4 cites·30 claims
- 2984US6917603B2Servicing multiple high speed data users in shared packets of a high speed wireless channelNORTEL NETWORKS LTD·Filed 2001·Granted Jul 12, 2005·40 cites·20 claims
- 3084US6378069B1Apparatus and methods for providing software updates to devices in a communication networkNORTEL NETWORKS LTD·Filed 1998·Granted Apr 23, 2002·121 cites·52 claims
- 3184US6373842B1Unidirectional streaming services in wireless systemsNORTEL NETWORKS LTD·Filed 1998·Granted Apr 16, 2002·150 cites·44 claims
- 3283US7596123B2Frame structures supporting voice or streaming communications with high speed data communications in wireless access networksNORTEL NETWORKS LTD·Filed 2005·Granted Sep 29, 2009·9 cites·28 claims
- 3381US9853725B2Optical dispersion compensation in the electrical domain in an optical communications systemCIENA CORP·Filed 2016·Granted Dec 26, 2017·2 cites·20 claims
- 3481US6956835B2Multi-carrier arrangement for high speed dataNORTEL NETWORKS LTD·Filed 2001·Granted Oct 18, 2005·37 cites·32 claims
- 3581US5239676AIntra-cell call hand-over in radio communication systems with dynamic channel allocationNORTHERN TELECOM LTD·Filed 1991·Granted Aug 24, 1993·125 cites·8 claims
- 3681US4592070AADPCM encoder/decoder with improved trackingNORTHERN TELECOM LTD·Filed 1983·Granted May 27, 1986·28 cites·10 claims
- 3780US7463600B2Frame structure for variable rate wireless channels transmitting high speed dataNORTEL NETWORKS LTD·Filed 2001·Granted Dec 9, 2008·29 cites·23 claims
- 3880US7457538B2Digital performance monitoring for an optical communications systemNORTEL NETWORKS LTD·Filed 2002·Granted Nov 25, 2008·18 cites·23 claims
- 3980US6097712AMulti-carrier CDMA communications systemsNORTEL NETWORKS LTD·Filed 1997·Granted Aug 1, 2000·120 cites·11 claims
- 4080US6070083AMobile communication device and communication network for providing location servicesNORTEL NETWORKS CORP·Filed 1998·Granted May 30, 2000·92 cites·83 claims
- 4178US6249253B1Mobile radiotelephone determination using time of arrival of GPS and pilot signalsNORTEL NETWORKS LTD·Filed 1999·Granted Jun 19, 2001·56 cites·7 claims
- 4278US4920565AMethod for connection of secure conference callsNORTHERN TELECOM LTD·Filed 1988·Granted Apr 24, 1990·50 cites·51 claims
- 4377US9344316B2Adaptive time diversity and spatial diversity for OFDMAPPLE INC·Filed 2014·Granted May 17, 2016·2 cites·18 claims
- 4476US6373831B1Systems and methods of channel coding and inverse-multiplexing for multi-carrier CDMA systemsNORTEL NETWORKS LTD·Filed 1998·Granted Apr 16, 2002·95 cites·19 claims
- 4575US10164707B2Optical dispersion compensation in the electrical domain in an optical communications systemCIENA CORP·Filed 2017·Granted Dec 25, 2018·1 cites·11 claims
- 4675US4410763ASpeech detectorNORTHERN TELECOM LTD·Filed 1981·Granted Oct 18, 1983·45 cites·15 claims
- 4774US7894724B2Method and apparatus for improving dual-polarization optical communication performanceCIENA CORP·Filed 2005·Granted Feb 22, 2011·5 cites·18 claims
- 4874US7680420B1Optical E-field modulation using a directly driven laserNORTEL NETWORKS LTD·Filed 2004·Granted Mar 16, 2010·16 cites·10 claims
- 4973US4648108AConference circuits and methods of operating themNORTHERN TELECOM LTD·Filed 1985·Granted Mar 3, 1987·38 cites·20 claims
- 5071US6006189AMethod and apparatus for storing and forwarding voice signalsNORTEL NETWORKS CORP·Filed 1997·Granted Dec 21, 1999·71 cites·17 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Leo Strawczynski files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →