John Lee Ketchum

Person

Old Orchard Beach, ME, US

People

Patents Grantslast 30 patents

Information Patent Grant
Spatial spreading in a multi-antenna communication system
- Patent number 11,171,693
- Issue date Nov 9, 2021
- QUALCOMM Incorporated
- Jay Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spatial spreading in a multi-antenna communication system
- Patent number 10,476,560
- Issue date Nov 12, 2019
- QUALCOMM Incorporated
- Jay Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pilots for MIMO communication systems
- Patent number 10,382,106
- Issue date Aug 13, 2019
- QUALCOMM Incorporated
- John Ketchum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-antenna transmission for spatial division multiple access
- Patent number 10,128,920
- Issue date Nov 13, 2018
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pilots for MIMO communication systems
- Patent number 9,967,005
- Issue date May 8, 2018
- QUALCOMM Incorporated
- John Ketchum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing an efficient control channel str...
- Patent number 9,876,609
- Issue date Jan 23, 2018
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for service discovery management in peer-to-pee...
- Patent number 9,806,935
- Issue date Oct 31, 2017
- QUALCOMM Incorporated
- Oliver Michaelis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spatial spreading in a multi-antenna communication system
- Patent number 9,787,375
- Issue date Oct 10, 2017
- QUALCOMM Incorporated
- Jay Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for exploitation of well-connected nodes in pee...
- Patent number 9,749,185
- Issue date Aug 29, 2017
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for exploitation of well-connected nodes in pee...
- Patent number 9,548,899
- Issue date Jan 17, 2017
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multi-antenna transmission for spatial division multiple access
- Patent number 9,548,851
- Issue date Jan 17, 2017
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing an efficient control channel str...
- Patent number 9,473,269
- Issue date Oct 18, 2016
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for peer-to-peer network discovery using multi-...
- Patent number 9,432,917
- Issue date Aug 30, 2016
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Pilots for MIMO communication systems
- Patent number 9,312,935
- Issue date Apr 12, 2016
- QUALCOMM Incorporated
- John W. Ketchum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
MIMO WLAN system
- Patent number 9,240,871
- Issue date Jan 19, 2016
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, apparatus, and system for medium access control
- Patent number 9,226,308
- Issue date Dec 29, 2015
- QUALCOMM Incorporated
- John W. Ketchum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
OFDM communication system with multiple OFDM symbol sizes
- Patent number 9,154,274
- Issue date Oct 6, 2015
- QUALCOMM Incorporated
- Jay Rod Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Extending eMBMS session in LTE eMBMS
- Patent number 9,131,350
- Issue date Sep 8, 2015
- QUALCOMM Incorporated
- Srinivasan Balasubramanian
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
MIMO system with multiple spatial multiplexing modes
- Patent number 9,048,892
- Issue date Jun 2, 2015
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
MIMO system with multiple spatial multiplexing modes
- Patent number 9,031,097
- Issue date May 12, 2015
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
MIMO WLAN system
- Patent number 9,013,974
- Issue date Apr 21, 2015
- QUALCOMM Incorporated
- Jay Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple-access hybrid OFDM-CDMA system
- Patent number 8,948,705
- Issue date Feb 3, 2015
- QUALCOMM Incorporated
- Jay R. Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Methods and systems for exploitation of well-connected nodes in pee...
- Patent number 8,934,462
- Issue date Jan 13, 2015
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmit diversity processing for a multi-antenna communication system
- Patent number 8,934,329
- Issue date Jan 13, 2015
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Single-burst acquisition for wireless communication system
- Patent number 8,923,446
- Issue date Dec 30, 2014
- QUALCOMM Incorporated
- Mark S. Wallace
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
MIMO WLAN system
- Patent number 8,913,529
- Issue date Dec 16, 2014
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Spatial spreading in a multi-antenna communication system
- Patent number 8,903,016
- Issue date Dec 2, 2014
- QUALCOMM Incorporated
- Jay Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transmit diversity processing for a multi-antenna communication system
- Patent number 8,873,365
- Issue date Oct 28, 2014
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
High speed media access control with legacy system interoperability
- Patent number 8,842,657
- Issue date Sep 23, 2014
- QUALCOMM Incorporated
- Jay Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Reduced complexity beam-steered MIMO OFDM system
- Patent number 8,824,583
- Issue date Sep 2, 2014
- QUALCOMM Incorporated
- Steven J. Howard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SPATIAL SPREADING IN A MULTI-ANTENNA COMMUNICATION SYSTEM
- Publication number 20200067575
- Publication date Feb 27, 2020
- QUALCOMM Incorporated
- Jay Rodney WALTON
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PILOTS FOR MIMO COMMUNICATION SYSTEMS
- Publication number 20180227021
- Publication date Aug 9, 2018
- QUALCOMM Incorporated
- John KETCHUM
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPATIAL SPREADING IN A MULTI-ANTENNA COMMUNICATION SYSTEM
- Publication number 20180048362
- Publication date Feb 15, 2018
- QUALCOMM Incorporated
- Jay Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-ANTENNA TRANSMISSION FOR SPATIAL DIVISION MULTIPLE ACCESS
- Publication number 20170126290
- Publication date May 4, 2017
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPATIAL SPREADING IN A MULTI-ANTENNA COMMUNICATION SYSTEM
- Publication number 20160329936
- Publication date Nov 10, 2016
- QUALCOMM Incorporated
- Jay Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and Apparatus for Providing an Efficient Control Channel Str...
- Publication number 20160270049
- Publication date Sep 15, 2016
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PILOTS FOR MIMO COMMUNICATION SYSTEMS
- Publication number 20150365147
- Publication date Dec 17, 2015
- QUALCOMM Incorporated
- John Ketchum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND SYSTEMS FOR EXPLOITATION OF WELL-CONNECTED NODES IN PEE...
- Publication number 20150085751
- Publication date Mar 26, 2015
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND SYSTEMS FOR EXPLOITATION OF WELL-CONNECTED NODES IN PEE...
- Publication number 20150085703
- Publication date Mar 26, 2015
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIMO WLAN SYSTEM
- Publication number 20140348258
- Publication date Nov 27, 2014
- Jay Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EXTENDING EMBMS SESSION IN LTE EMBMS
- Publication number 20140185455
- Publication date Jul 3, 2014
- QUALCOMM Incorporated
- Srinivasan BALASUBRAMANIAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND SYSTEMS FOR SERVICE DISCOVERY MANAGEMENT IN PEER-TO-PEE...
- Publication number 20130281086
- Publication date Oct 24, 2013
- Oliver MICHAELIS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND SYSTEMS FOR PEER-TO-PEER NETWORK DISCOVERY USING MULTI-...
- Publication number 20130281146
- Publication date Oct 24, 2013
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OFDM COMMUNICATION SYSTEM WITH MULTIPLE OFDM SYMBOL SIZES
- Publication number 20130279614
- Publication date Oct 24, 2013
- Jay Rod Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MIMO SYSTEM WITH MULTIPLE SPATIAL MULTIPLEXING MODES
- Publication number 20130235825
- Publication date Sep 12, 2013
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
REDUCED COMPLEXITY BEAM-STEERED MIMO OFDM SYSTEM
- Publication number 20130188677
- Publication date Jul 25, 2013
- QUALCOMM Incorporated
- Steven J. Howard
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND SYSTEMS FOR TRANSMISSION MODE SELECTION IN A MULTI CHAN...
- Publication number 20130182598
- Publication date Jul 18, 2013
- QUALCOMM Incorporated
- Irina MEDVEDEV
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR MEDIUM ACCESS CONTROL
- Publication number 20130034076
- Publication date Feb 7, 2013
- QUALCOMM Incorporated
- John W. Ketchum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD, APPARATUS, AND SYSTEM FOR MULTIPLEXING PROTOCOL DATA UNITS
- Publication number 20120287856
- Publication date Nov 15, 2012
- QUALCOMM Incorporated
- John W. Ketchum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPATIAL SPREADING IN A MULTI-ANTENNA COMMUNICATION SYSTEM
- Publication number 20120250788
- Publication date Oct 4, 2012
- QUALCOMM Incorporated
- Jay Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMIT DIVERSITY AND SPATIAL SPREADING FOR AN OFDM-BASED MULTI-AN...
- Publication number 20120213181
- Publication date Aug 23, 2012
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTI-ANTENNA TRANSMISSION FOR SPATIAL DIVISION MULTIPLE ACCESS
- Publication number 20120213302
- Publication date Aug 23, 2012
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CHANNEL CALIBRATION FOR A TIME DIVISION DUPLEXED COMMUNICATION SYSTEM
- Publication number 20120176928
- Publication date Jul 12, 2012
- QUALCOMM Incorporated
- Mark S. Wallace
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RANDOM ACCESS FOR WIRELESS MULTIPLE-ACCESS COMMUNICATION SYSTEMS
- Publication number 20120140664
- Publication date Jun 7, 2012
- QUALCOMM Incorporated
- J. Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHOD AND SYSTEM FOR PROVIDING BEAMFORMING FEEDBACK IN WIRELESS CO...
- Publication number 20120127899
- Publication date May 24, 2012
- QUALCOMM Incorporated
- John W. Ketchum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
METHODS AND SYSTEMS FOR SERVICE DISCOVERY MANAGEMENT IN PEER-TO-PEE...
- Publication number 20120033585
- Publication date Feb 9, 2012
- QUALCOMM Incorporated
- Oliver Michaelis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MULTIPLE-ACCESS HYBRID OFDM-CDMA SYSTEM
- Publication number 20110317671
- Publication date Dec 29, 2011
- QUALCOMM Incorporated
- Jay R. Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PILOTS FOR MIMO COMMUNICATION SYSTEMS
- Publication number 20110235744
- Publication date Sep 29, 2011
- QUALCOMM Incorporated
- John W. Ketchum
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DATA TRANSMISSION WITH SPATIAL SPREADING IN A MIMO COMMUNICATION SY...
- Publication number 20110142097
- Publication date Jun 16, 2011
- QUALCOMM Incorporated
- Jay Rodney Walton
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SINGLE-BURST ACQUISITION FOR WIRELESS COMMUNICATION SYSTEM
- Publication number 20110103523
- Publication date May 5, 2011
- QUALCOMM Incorporated
- Mark S. Wallace
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

John Lee Ketchum

Person

Patents Grantslast 30 patents

Spatial spreading in a multi-antenna communication system

Spatial spreading in a multi-antenna communication system

Pilots for MIMO communication systems

Multi-antenna transmission for spatial division multiple access

Pilots for MIMO communication systems

Method and apparatus for providing an efficient control channel str...

Methods and systems for service discovery management in peer-to-pee...

Spatial spreading in a multi-antenna communication system

Methods and systems for exploitation of well-connected nodes in pee...

Methods and systems for exploitation of well-connected nodes in pee...

Multi-antenna transmission for spatial division multiple access

Method and apparatus for providing an efficient control channel str...

Methods and systems for peer-to-peer network discovery using multi-...

Pilots for MIMO communication systems

MIMO WLAN system

Method, apparatus, and system for medium access control

OFDM communication system with multiple OFDM symbol sizes

Extending eMBMS session in LTE eMBMS

MIMO system with multiple spatial multiplexing modes

MIMO system with multiple spatial multiplexing modes

MIMO WLAN system

Multiple-access hybrid OFDM-CDMA system

Methods and systems for exploitation of well-connected nodes in pee...

Transmit diversity processing for a multi-antenna communication system

Single-burst acquisition for wireless communication system

MIMO WLAN system

Spatial spreading in a multi-antenna communication system

Transmit diversity processing for a multi-antenna communication system

High speed media access control with legacy system interoperability

Reduced complexity beam-steered MIMO OFDM system

Patents Applicationslast 30 patents

SPATIAL SPREADING IN A MULTI-ANTENNA COMMUNICATION SYSTEM

PILOTS FOR MIMO COMMUNICATION SYSTEMS

SPATIAL SPREADING IN A MULTI-ANTENNA COMMUNICATION SYSTEM

MULTI-ANTENNA TRANSMISSION FOR SPATIAL DIVISION MULTIPLE ACCESS

SPATIAL SPREADING IN A MULTI-ANTENNA COMMUNICATION SYSTEM

Method and Apparatus for Providing an Efficient Control Channel Str...

PILOTS FOR MIMO COMMUNICATION SYSTEMS

METHODS AND SYSTEMS FOR EXPLOITATION OF WELL-CONNECTED NODES IN PEE...

METHODS AND SYSTEMS FOR EXPLOITATION OF WELL-CONNECTED NODES IN PEE...

MIMO WLAN SYSTEM

EXTENDING EMBMS SESSION IN LTE EMBMS

METHODS AND SYSTEMS FOR SERVICE DISCOVERY MANAGEMENT IN PEER-TO-PEE...

METHODS AND SYSTEMS FOR PEER-TO-PEER NETWORK DISCOVERY USING MULTI-...

OFDM COMMUNICATION SYSTEM WITH MULTIPLE OFDM SYMBOL SIZES

MIMO SYSTEM WITH MULTIPLE SPATIAL MULTIPLEXING MODES

REDUCED COMPLEXITY BEAM-STEERED MIMO OFDM SYSTEM

METHODS AND SYSTEMS FOR TRANSMISSION MODE SELECTION IN A MULTI CHAN...

METHOD, APPARATUS, AND SYSTEM FOR MEDIUM ACCESS CONTROL

METHOD, APPARATUS, AND SYSTEM FOR MULTIPLEXING PROTOCOL DATA UNITS

SPATIAL SPREADING IN A MULTI-ANTENNA COMMUNICATION SYSTEM

TRANSMIT DIVERSITY AND SPATIAL SPREADING FOR AN OFDM-BASED MULTI-AN...

MULTI-ANTENNA TRANSMISSION FOR SPATIAL DIVISION MULTIPLE ACCESS

CHANNEL CALIBRATION FOR A TIME DIVISION DUPLEXED COMMUNICATION SYSTEM

RANDOM ACCESS FOR WIRELESS MULTIPLE-ACCESS COMMUNICATION SYSTEMS

METHOD AND SYSTEM FOR PROVIDING BEAMFORMING FEEDBACK IN WIRELESS CO...

METHODS AND SYSTEMS FOR SERVICE DISCOVERY MANAGEMENT IN PEER-TO-PEE...

MULTIPLE-ACCESS HYBRID OFDM-CDMA SYSTEM

PILOTS FOR MIMO COMMUNICATION SYSTEMS

DATA TRANSMISSION WITH SPATIAL SPREADING IN A MIMO COMMUNICATION SY...

SINGLE-BURST ACQUISITION FOR WIRELESS COMMUNICATION SYSTEM