loadpatents
name:-0.21421790122986
name:-0.15646910667419
name:-0.0067670345306396
Ketchum; John W. Patent Filings

Ketchum; John W.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ketchum; John W..The latest application filed is for "spatial spreading in a multi-antenna communication system".

Company Profile
6.167.145
  • Ketchum; John W. - Harwich MA
  • Ketchum; John W. - Harvard MA
  • Ketchum; John W - Harvard MA
  • Ketchum; John W. - Boxborough MA
  • Ketchum; John W. - San Diego CA US
  • - Harvard MA US
  • Ketchum; John W. - Harward MA
  • Ketchum, John W. - Westford MA
  • Ketchum; John W. - Watertown MA
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Spatial spreading in a multi-antenna communication system
Grant 11,171,693 - Walton , et al. November 9, 2
2021-11-09
Spatial Spreading In A Multi-antenna Communication System
App 20200067575 - WALTON; Jay Rodney ;   et al.
2020-02-27
Spatial spreading in a multi-antenna communication system
Grant 10,476,560 - Walton , et al. Nov
2019-11-12
Multi-antenna transmission for spatial division multiple access
Grant 10,128,920 - Walton , et al. November 13, 2
2018-11-13
Spatial Spreading In A Multi-antenna Communication System
App 20180048362 - Walton; Jay Rodney ;   et al.
2018-02-15
Method and apparatus for providing an efficient control channel structure in a wireless communication system
Grant 9,876,609 - Walton , et al. January 23, 2
2018-01-23
Methods and systems for service discovery management in peer-to-peer networks
Grant 9,806,935 - Michaelis , et al. October 31, 2
2017-10-31
Spatial spreading in a multi-antenna communication system
Grant 9,787,375 - Walton , et al. October 10, 2
2017-10-10
Methods and systems for exploitation of well-connected nodes in peer-to-peer wireless networks
Grant 9,749,185 - Walton , et al. August 29, 2
2017-08-29
Multi-antenna Transmission For Spatial Division Multiple Access
App 20170126290 - Walton; J. Rodney ;   et al.
2017-05-04
Multi-antenna transmission for spatial division multiple access
Grant 9,548,851 - Walton , et al. January 17, 2
2017-01-17
Methods and systems for exploitation of well-connected nodes in peer-to-peer wireless networks
Grant 9,548,899 - Walton , et al. January 17, 2
2017-01-17
Spatial Spreading In A Multi-antenna Communication System
App 20160329936 - Walton; Jay Rodney ;   et al.
2016-11-10
Method and apparatus for providing an efficient control channel structure in a wireless communication system
Grant 9,473,269 - Walton , et al. October 18, 2
2016-10-18
Methods and systems for peer-to-peer network discovery using multi-user diversity
Grant 9,432,917 - Walton , et al. August 30, 2
2016-08-30
Pilots for MIMO communication systems
Grant 9,312,935 - Ketchum , et al. April 12, 2
2016-04-12
MIMO WLAN system
Grant 9,240,871 - Walton , et al. January 19, 2
2016-01-19
Method, apparatus, and system for medium access control
Grant 9,226,308 - Ketchum , et al. December 29, 2
2015-12-29
OFDM communication system with multiple OFDM symbol sizes
Grant 9,154,274 - Walton , et al. October 6, 2
2015-10-06
MIMO system with multiple spatial multiplexing modes
Grant 9,048,892 - Walton , et al. June 2, 2
2015-06-02
MIMO system with multiple spatial multiplexing modes
Grant 9,031,097 - Walton , et al. May 12, 2
2015-05-12
MIMO WLAN system
Grant 9,013,974 - Walton , et al. April 21, 2
2015-04-21
Methods And Systems For Exploitation Of Well-connected Nodes In Peer-to-peer Wireless Networks
App 20150085751 - Walton; J. Rodney ;   et al.
2015-03-26
Methods And Systems For Exploitation Of Well-connected Nodes In Peer-to-peer Wireless Networks
App 20150085703 - Walton; J. Rodney ;   et al.
2015-03-26
Multiple-access hybrid OFDM-CDMA system
Grant 8,948,705 - Walton , et al. February 3, 2
2015-02-03
Methods and systems for exploitation of well-connected nodes in peer-to-peer wireless networks
Grant 8,934,462 - Walton , et al. January 13, 2
2015-01-13
Transmit diversity processing for a multi-antenna communication system
Grant 8,934,329 - Walton , et al. January 13, 2
2015-01-13
Single-burst acquisition for wireless communication system
Grant 08923446 -
2014-12-30
Single-burst acquisition for wireless communication system
Grant 8,923,446 - Wallace , et al. December 30, 2
2014-12-30
MIMO WLAN system
Grant 8,913,529 - Walton , et al. December 16, 2
2014-12-16
Spatial spreading in a multi-antenna communication system
Grant 8,903,016 - Walton , et al. December 2, 2
2014-12-02
Mimo Wlan System
App 20140348258 - Walton; Jay Rodney ;   et al.
2014-11-27
Transmit diversity processing for a multi-antenna communication system
Grant 8,873,365 - Walton , et al. October 28, 2
2014-10-28
High speed media access control with legacy system interoperability
Grant 8,842,657 - Walton , et al. September 23, 2
2014-09-23
Reduced complexity beam-steered MIMO OFDM system
Grant 8,824,583 - Howard , et al. September 2, 2
2014-09-02
Method and system for providing beamforming feedback in wireless communication systems
Grant 8,787,841 - Ketchum , et al. July 22, 2
2014-07-22
Methods and systems for service discovery management in peer-to-peer networks
Grant 8,751,576 - Michaelis , et al. June 10, 2
2014-06-10
Channel calibration for a time division duplexed communication system
Grant 8,750,151 - Wallace , et al. June 10, 2
2014-06-10
Random access for wireless multiple-access communication systems
Grant 8,711,763 - Walton , et al. April 29, 2
2014-04-29
Method and system for providing beamforming feedback in wireless communication systems
Grant 8,665,795 - Ketchum , et al. March 4, 2
2014-03-04
Methods and systems for registrations and service announcements in peer-to-peer networks via cellular overlays
Grant 8,639,242 - Michaelis , et al. January 28, 2
2014-01-28
Methods and systems for transmission mode selection in a multi channel communication system
Grant 8,619,620 - Medvedev , et al. December 31, 2
2013-12-31
Methods and systems for transmission mode selection in a multi channel communication system
Grant 08619620 -
2013-12-31
Method and system for femto cell self-timing and self-locating
Grant 8,600,297 - Ketchum , et al. December 3, 2
2013-12-03
Method and apparatus for wireless LAN (WLAN) data multiplexing
Grant 8,582,430 - Ketchum , et al. November 12, 2
2013-11-12
Channel calibration for a time division duplexed communication system
Grant 8,570,988 - Wallace , et al. October 29, 2
2013-10-29
Methods And Systems For Peer-to-peer Network Discovery Using Multi-user Diversity
App 20130281146 - Walton; J. Rodney ;   et al.
2013-10-24
Methods And Systems For Service Discovery Management In Peer-to-peer Networks
App 20130281086 - MICHAELIS; Oliver ;   et al.
2013-10-24
Ofdm Communication System With Multiple Ofdm Symbol Sizes
App 20130279614 - Walton; Jay Rod ;   et al.
2013-10-24
Reduced complexity beam-steered MIMO OFDM system
Grant 8,543,070 - Howard , et al. September 24, 2
2013-09-24
Mimo System With Multiple Spatial Multiplexing Modes
App 20130235825 - WALTON; J. Rodney ;   et al.
2013-09-12
Reduced Complexity Beam-steered Mimo Ofdm System
App 20130188677 - Howard; Steven J. ;   et al.
2013-07-25
Methods And Systems For Transmission Mode Selection In A Multi Channel Communication System
App 20130182598 - MEDVEDEV; Irina ;   et al.
2013-07-18
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
Grant 8,488,706 - Ketchum , et al. July 16, 2
2013-07-16
MIMO system with multiple spatial multiplexing modes
Grant 8,483,188 - Walton , et al. July 9, 2
2013-07-09
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
Grant 8,477,858 - Ketchum , et al. July 2, 2
2013-07-02
Methods and systems for peer-to-peer network discovery using multi-user diversity
Grant 8,478,776 - Walton , et al. July 2, 2
2013-07-02
Methods and systems for service discovery management in peer-to-peer networks
Grant 8,478,820 - Michaelis , et al. July 2, 2
2013-07-02
Multi-access hybrid OFDM-CDMA system
Grant 8,472,306 - Walton , et al. June 25, 2
2013-06-25
Wireless LAN protocol stack
Grant 8,472,473 - Ketchum , et al. June 25, 2
2013-06-25
Reduced complexity detection and decoding for a receiver in a communication system
Grant 8,467,466 - Bjerke , et al. June 18, 2
2013-06-18
Methods and system for transmission mode selection in a multi channel communication system
Grant 8,462,653 - Medvedev , et al. June 11, 2
2013-06-11
Method, apparatus, and system for multiplexing protocol data units
Grant 8,462,817 - Ketchum , et al. June 11, 2
2013-06-11
MIMO WLAN system
Grant 8,462,643 - Walton , et al. June 11, 2
2013-06-11
Multiple-access hybrid OFDM-CDMA system
Grant 8,427,936 - Walton , et al. April 23, 2
2013-04-23
Resource allocation for MIMO-OFDM communication systems
Grant 8,406,200 - Walton , et al. March 26, 2
2013-03-26
Method, Apparatus, And System For Medium Access Control
App 20130034076 - Ketchum; John W. ;   et al.
2013-02-07
MIMO system with multiple spatial multiplexing modes
Grant 8,355,313 - Walton , et al. January 15, 2
2013-01-15
Data transmission with spatial spreading in a MIMO communication system
Grant 8,325,844 - Walton , et al. December 4, 2
2012-12-04
MIMO WLAN system
Grant 8,320,301 - Walton , et al. November 27, 2
2012-11-27
Method, Apparatus, And System For Multiplexing Protocol Data Units
App 20120287856 - Ketchum; John W. ;   et al.
2012-11-15
Derivation and feedback of transmit steering matrix
Grant 8,290,089 - Howard , et al. October 16, 2
2012-10-16
Method, apparatus, and system for medium access control
Grant 8,284,752 - Ketchum , et al. October 9, 2
2012-10-09
Spatial Spreading In A Multi-antenna Communication System
App 20120250788 - Walton; Jay Rodney ;   et al.
2012-10-04
Transmit Diversity And Spatial Spreading For An Ofdm-based Multi-antenna Communication System
App 20120213181 - Walton; J. Rodney ;   et al.
2012-08-23
Multi-antenna Transmission For Spatial Division Multiple Access
App 20120213302 - Walton; J. Rodney ;   et al.
2012-08-23
Channel Calibration For A Time Division Duplexed Communication System
App 20120176928 - Wallace; Mark S. ;   et al.
2012-07-12
Closed-loop rate control for a multi-channel communication system
Grant 8,218,609 - Walton , et al. July 10, 2
2012-07-10
MIMO system with multiple spatial multiplexing modes
Grant 8,208,364 - Walton , et al. June 26, 2
2012-06-26
Multi-mode terminal in a wireless MIMO system
Grant 8,203,978 - Walton , et al. June 19, 2
2012-06-19
Spatial spreading in a multi-antenna communication system
Grant 8,204,149 - Walton , et al. June 19, 2
2012-06-19
Time-domain transmit and receive processing with channel EIGEN-mode decomposition for MIMO systems
Grant 8,199,842 - Ketchum , et al. June 12, 2
2012-06-12
Random Access For Wireless Multiple-access Communication Systems
App 20120140664 - Walton; J. Rodney ;   et al.
2012-06-07
Coded MIMO systems with selective channel inversion applied per eigenmode
Grant 8,194,770 - Medvedev , et al. June 5, 2
2012-06-05
Method And System For Providing Beamforming Feedback In Wireless Communication Systems
App 20120127899 - Ketchum; John W. ;   et al.
2012-05-24
Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system
Grant 8,169,889 - Walton , et al. May 1, 2
2012-05-01
Random access for wireless multiple-access communication systems
Grant 8,169,944 - Walton , et al. May 1, 2
2012-05-01
Receiver spatial processing for eigenmode transmission in a MIMO system
Grant 8,160,183 - Ketchum , et al. April 17, 2
2012-04-17
Channel calibration for a time division duplexed communication system
Grant 8,134,976 - Wallace , et al. March 13, 2
2012-03-13
Methods And Systems For Service Discovery Management In Peer-to-peer Networks
App 20120033585 - Michaelis; Oliver ;   et al.
2012-02-09
Resource allocation for MIMO-OFDM communication systems
Grant 8,094,625 - Walton , et al. January 10, 2
2012-01-10
Multiple-access Hybrid Ofdm-cdma System
App 20110317671 - Walton; Jay R. ;   et al.
2011-12-29
Reallocation of excess power for full channel-state information (CSI) multiple-input, multiple-output (MIMO) systems
Grant 8,078,211 - Medvedev , et al. December 13, 2
2011-12-13
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
Grant 8,040,965 - Ketchum , et al. October 18, 2
2011-10-18
Pilots For Mimo Communication Systems
App 20110235744 - Ketchum; John W. ;   et al.
2011-09-29
Diversity transmission modes for MIMO OFDM communication systems
Grant 7,990,841 - Walton , et al. August 2, 2
2011-08-02
Pilots for MIMO communication system
Grant 7,986,742 - Ketchum , et al. July 26, 2
2011-07-26
Data Transmission With Spatial Spreading In A Mimo Communication System
App 20110142097 - Walton; Jay Rodney ;   et al.
2011-06-16
Parser for multiple data streams in a communication system
Grant 7,953,047 - Wallace , et al. May 31, 2
2011-05-31
Method and apparatus for utilizing channel state information in a wireless communication system
Grant 7,949,060 - Ling , et al. May 24, 2
2011-05-24
Single-burst Acquisition For Wireless Communication System
App 20110103523 - Wallace; Mark S. ;   et al.
2011-05-05
Methods And Systems For Peer-to-peer Network Discovery Using Multi-user Diversity
App 20110106837 - Walton; J. Rodney ;   et al.
2011-05-05
Methods And Systems For Registrations And Service Announcements In Peer-to-peer Networks Via Cellular Overlays
App 20110081908 - Michaelis; Oliver ;   et al.
2011-04-07
Methods And Systems For Exploitation Of Well-connected Nodes In Peer-to-peer Wireless Networks
App 20110080869 - Walton; J. Rodney ;   et al.
2011-04-07
Broadcast transmission with spatial spreading in a multi-antenna communication system
Grant 7,907,689 - Walton , et al. March 15, 2
2011-03-15
Methods And Systems For Service Discovery Management In Peer-to-peer Networks
App 20110055326 - Michaelis; Oliver ;   et al.
2011-03-03
Broadcast transmission with spatial spreading in a multi-antenna communication system
Grant 7,899,131 - Walton , et al. March 1, 2
2011-03-01
Frequency-independent spatial processing for wideband MISO and MIMO systems
Grant 7,894,538 - Walton , et al. February 22, 2
2011-02-22
Eigenvalue decomposition and singular value decomposition of matrices using Jacobi rotation
Grant 7,895,254 - Ketchum , et al. February 22, 2
2011-02-22
Spatial spreading with space-time and space-frequency transmit diversity schemes for a wireless communication system
Grant 7,894,548 - Walton , et al. February 22, 2
2011-02-22
Method And System For Femto Cell Self-timing And Self-locating
App 20110028166 - Ketchum; John W. ;   et al.
2011-02-03
Method and system for increased bandwidth efficiency in multiple input--multiple output channels
Grant 7,881,360 - Ketchum February 1, 2
2011-02-01
Single-burst acquistion for wireless communication system
Grant 7,852,972 - Wallace , et al. December 14, 2
2010-12-14
Methods And Systems For Transmission Mode Selection In A Multi Channel Communication System
App 20100296407 - Medvedev; Irina ;   et al.
2010-11-25
Method And Apparatus For Processing Data For Transmission In A Multi-channel Communication System Using Selective Channel Inversion
App 20100246704 - Ketchum; John W. ;   et al.
2010-09-30
Multi-access Hybrid Ofdm-cdma System
App 20100246642 - Walton; Jay R. ;   et al.
2010-09-30
Receiver Spatial Processing For Eigenmode Transmission In A Mimo System
App 20100215115 - Ketchum; John W. ;   et al.
2010-08-26
Transmit Diversity Processing For A Multi-antenna Communication System
App 20100208841 - Walton; J. Rodney ;   et al.
2010-08-19
Data transmission with spatial spreading in a MIMO communication system
Grant 7,764,754 - Walton , et al. July 27, 2
2010-07-27
Multiple-access hybrid OFDM-CDMA system
Grant 7,764,594 - Walton , et al. July 27, 2
2010-07-27
Efficient Computation For Eigenvalue Decomposition And Singular Value Decomposition Of Matrices
App 20100169396 - Howard; Steven J. ;   et al.
2010-07-01
Receiver spatial processing for eigenmode transmission in a MIMO system
Grant 7,742,546 - Ketchum , et al. June 22, 2
2010-06-22
Mimo System With Multiple Spatial Multiplexing Modes
App 20100119001 - Walton; J. Rodney ;   et al.
2010-05-13
Efficient computation for eigenvalue decomposition and singular value decomposition of matrices
Grant 7,711,762 - Howard , et al. May 4, 2
2010-05-04
Method And Apparatus For Processing Data For Transmission In A Multi-channel Communication System Using Selective Channel Inversion
App 20100104039 - Ketchum; John W. ;   et al.
2010-04-29
Rate-compatible LDPC codes
Grant 7,702,986 - Bjerke , et al. April 20, 2
2010-04-20
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
Grant 7,688,899 - Ketchum , et al. March 30, 2
2010-03-30
Method And Apparatus For Processing Data For Transmission In A Multi-channel Communication System Using Selective Channel Inversion
App 20100074351 - Ketchum; John W. ;   et al.
2010-03-25
Methods And Systems For Transmission Mode Selection In A Multi Channel Communication System
App 20100067401 - Medvedev; Irina ;   et al.
2010-03-18
Signal Processing With Channel Eigenmode Decomposition And Channel Inversion For Mimo Systems
App 20100046666 - Ketchum; John W. ;   et al.
2010-02-25
Resource Allocation For Mimo-ofdm Communication Systems
App 20100020757 - Walton; J. Rodney ;   et al.
2010-01-28
Channel estimation and spatial processing for TDD MIMO systems
Grant 7,653,142 - Ketchum , et al. January 26, 2
2010-01-26
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
Grant 7,649,954 - Walton , et al. January 19, 2
2010-01-19
Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system
App 20100002570 - Walton; J. Rodney ;   et al.
2010-01-07
Antenna Array Configurations For High Throughput Mimo Wlan Systems
App 20090322621 - Inanoglu; Hakan ;   et al.
2009-12-31
Method And Apparatus For Utilizing Channel State Information In A Wireless Communication System
App 20090323851 - Ling; Fuyun ;   et al.
2009-12-31
Method And Apparatus For Wirless Lan (wlan) Data Multiplexing
App 20090323646 - Ketchum; John W. ;   et al.
2009-12-31
Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems
Grant 7,613,248 - Ketchum , et al. November 3, 2
2009-11-03
Method and apparatus for utilizing channel state information in a wireless communication system
Grant 7,590,182 - Ling , et al. September 15, 2
2009-09-15
Derivation of eigenvectors for spatial processing in MIMO communication systems
Grant 7,551,698 - Ketchum , et al. June 23, 2
2009-06-23
Multi-antenna Transmission For Spatial Division Multiple Access
App 20090092087 - Walton; J. Rodney ;   et al.
2009-04-09
Method and apparatus for determining power allocation in a MIMO communication system
Grant 7,502,420 - Ketchum March 10, 2
2009-03-10
Time-domain Transmit And Receive Processing With Channel Eigen-mode Decomposition For Mimo Systems
App 20080317158 - Ketchum; John W. ;   et al.
2008-12-25
Mimo Wlan System
App 20080285488 - Walton; J. Rodney ;   et al.
2008-11-20
Mimo Wlan System
App 20080285669 - Walton; J. Rodney ;   et al.
2008-11-20
Mimo Wlan System
App 20080285670 - Walton; J. Rodney ;   et al.
2008-11-20
Mimo System With Multiple Spatial Multiplexing Modes
App 20080267138 - Walton; J. Rodney ;   et al.
2008-10-30
Mimo System With Multiple Spatial Multiplexing Modes
App 20080267098 - Walton; J. Rodney ;   et al.
2008-10-30
Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
Grant 7,430,245 - Ketchum , et al. September 30, 2
2008-09-30
Iterative Detection And Decoding For A Mimo-ofdm System
App 20080212657 - Bjerke; Bjorn A. ;   et al.
2008-09-04
Method and apparatus for utilizing channel state information in a wireless communication system
Grant 7,411,929 - Ling , et al. August 12, 2
2008-08-12
Iterative detection and decoding for a MIMO-OFDM system
Grant 7,372,896 - Bjerke , et al. May 13, 2
2008-05-13
Data Transmission With Spatial Spreading In A Mimo Communication System
App 20080095282 - Walton; Jay Rodney ;   et al.
2008-04-24
Multi-mode Terminal In A Wireless Mimo System
App 20080069015 - Walton; J. Rodney ;   et al.
2008-03-20
Iterative eigenvector computation for a MIMO communication system
Grant 7,346,115 - Howard , et al. March 18, 2
2008-03-18
Data transmission with spatial spreading in a MIMO communication system
Grant 7,336,746 - Walton , et al. February 26, 2
2008-02-26
Multi-antenna Transmission For Spatial Division Multiple Access
App 20080037681 - Walton; J. Rodney ;   et al.
2008-02-14
Broadcast Transmission With Spatial Spreading In A Multi-antenna Communication System
App 20080031374 - Walton; Jay Rodney ;   et al.
2008-02-07
Broadcast Transmission With Spatial Spreading In A Multi-antenna Communication System
App 20080031372 - Walton; Jay Rodney ;   et al.
2008-02-07
Multi-antenna Transmission For Spatial Division Multiple Access
App 20080025425 - Walton; J. Rodney ;   et al.
2008-01-31
Multi-antenna Transmission For Spatial Division Multiple Access
App 20080025444 - Walton; J. Rodney ;   et al.
2008-01-31
Multi-mode terminal in a wireless MIMO system
Grant 7,324,429 - Walton , et al. January 29, 2
2008-01-29
Single-burst Acquistion For Wireless Communication System
App 20080002794 - Wallace; Mark S. ;   et al.
2008-01-03
Method And System For Providing Beamforming Feedback In Wireless Communication Systems
App 20070298742 - Ketchum; John W. ;   et al.
2007-12-27
Derivation Of Eigenvectors For Spatial Processing In Mimo Communication Systems
App 20070297526 - Ketchum; John W. ;   et al.
2007-12-27
Broadcast transmission with spatial spreading in a multi-antenna communication system
Grant 7,302,009 - Walton , et al. November 27, 2
2007-11-27
Derivation And Feedback Of Transmit Steering Matrix
App 20070268181 - Howard; Steven J. ;   et al.
2007-11-22
Multi-antenna transmission for spatial division multiple access
Grant 7,298,805 - Walton , et al. November 20, 2
2007-11-20
Reduced complexity beam-steered MIMO OFDM system
App 20070249296 - Howard; Steven J. ;   et al.
2007-10-25
Derivation of eigenvectors for spatial processing in MIMO communication systems
Grant 7,280,625 - Ketchum , et al. October 9, 2
2007-10-09
Data Transmission With Spatial Spreading In A Mimo Communication System
App 20070211814 - Walton; Jay Rodney ;   et al.
2007-09-13
Reduced complexity detection and decoding for a receiver in a communication system
App 20070116143 - Bjerke; Bjorn ;   et al.
2007-05-24
Power control for partial channel-state information (CSI) multiple-input, multiple-output (MIMO) systems
Grant 7,221,956 - Medvedev , et al. May 22, 2
2007-05-22
Channel Estimation And Spatial Processing For Tdd Mimo Systems
App 20070086536 - Ketchum; John W. ;   et al.
2007-04-19
Calibration of downlink and uplink channel responses in a wireless MIMO communication system
Grant 7,206,354 - Wallace , et al. April 17, 2
2007-04-17
Precoding for a multipath channel in a MIMO system
Grant 7,197,084 - Ketchum , et al. March 27, 2
2007-03-27
Iterative Detection And Decoding For A Mimo-ofdm System
App 20070064831 - Bjerke; Bjorn A. ;   et al.
2007-03-22
Data transmission with spatial spreading in a mimo communication system
Grant 7,194,042 - Walton , et al. March 20, 2
2007-03-20
Beam-steering and beam-forming for wideband MIMO/MISO systems
Grant 7,194,040 - Menon , et al. March 20, 2
2007-03-20
Adaptive rate control for OFDM communication system
Grant 7,164,649 - Walton , et al. January 16, 2
2007-01-16
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
App 20060291582 - Walton; Jay R. ;   et al.
2006-12-28
Iterative detection and decoding for a MIMO-OFDM system
Grant 7,154,936 - Bjerke , et al. December 26, 2
2006-12-26
Efficient filter weight computation for a MIMO system
App 20060285531 - Howard; Steven J. ;   et al.
2006-12-21
Channel estimation and spatial processing for TDD MIMO systems
Grant 7,151,809 - Ketchum , et al. December 19, 2
2006-12-19
Multiple-access hybrid OFDM-CDMA system
App 20060274638 - Walton; Jay R. ;   et al.
2006-12-07
Frequency-independent spatial processing for wideband MISO and MIMO systems
App 20060274844 - Walton; J. Rodney ;   et al.
2006-12-07
Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
App 20060274849 - Ketchum; John W. ;   et al.
2006-12-07
Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
Grant 7,116,725 - Ketchum , et al. October 3, 2
2006-10-03
Diversity transmission modes for MIMO OFDM communication systems
App 20060193268 - Walton; Jay R. ;   et al.
2006-08-31
Parser for multiple data streams in a communication system
App 20060187815 - Wallace; Mark S. ;   et al.
2006-08-24
Diversity transmission modes for MIMO OFDM communication systems
Grant 7,095,709 - Walton , et al. August 22, 2
2006-08-22
Eigenvalue decomposition and singular value decomposition of matrices using jacobi rotation
App 20060155798 - Ketchum; John W. ;   et al.
2006-07-13
Power control for partial channel-state information (CSI) multiple-input, multiple-output (MIMO) systems
Grant 7,076,263 - Medvedev , et al. July 11, 2
2006-07-11
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
Grant 7,072,413 - Walton , et al. July 4, 2
2006-07-04
Frequency-independent spatial processing for wideband MISO and MIMO systems
Grant 7,065,144 - Walton , et al. June 20, 2
2006-06-20
Reallocation of excess power for full channel-state information (CSI) multiple-input, multiple-output (MIMO) systems
App 20060116155 - Medvedev; Irina ;   et al.
2006-06-01
Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information
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2006-05-30
Beam-steering and beam-forming for wideband MIMO/MISO systems
App 20060104381 - Menon; Murali Paravath ;   et al.
2006-05-18
Efficient computation for eigenvalue decomposition and singular value decomposition of matrices
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2006-05-18
Spatial spreading with space-time and space-frequency transmit diversity schemes for a wireless communication system
App 20060067421 - Walton; Jay Rodney ;   et al.
2006-03-30
Reallocation of excess power for full channel-state information (CSI) multiple-input, multiple-output (MIMO) systems
Grant 7,020,482 - Medvedev , et al. March 28, 2
2006-03-28
Resource allocation for MIMO-OFDM communication systems
Grant 7,020,110 - Walton , et al. March 28, 2
2006-03-28
Method and apparatus for utilizing channel state information in a wireless communication system
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2006-02-28
Transmit diversity processing for a multi-antenna communication system
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Resource allocation for MIMO-OFDM communication systems
App 20060039312 - Walton; Jay Rod ;   et al.
2006-02-23
Transmit diversity processing for a multi-antenna communication system
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2006-02-21
Method and apparatus for determining power allocation in a MIMO communication system
App 20050265281 - Ketchum, John W.
2005-12-01
Iterative eigenvector computation for a MIMO communication system
App 20050237920 - Howard, Steven J. ;   et al.
2005-10-27
Method and apparatus for determining power allocation in a MIMO communication system
Grant 6,956,907 - Ketchum October 18, 2
2005-10-18
Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system
App 20050195733 - Walton, J. Rodney ;   et al.
2005-09-08
Beam-steering and beam-forming for wideband MIMO/MISO systems
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2005-09-06
Calibration of downlink and uplink channel responses in a wireless MIMO communication system
App 20050185728 - Wallace, Mark S. ;   et al.
2005-08-25
Transmit diversity and spatial spreading for an OFDM-based multi-antenna communication system
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2005-08-18
Spatial spreading in a multi-antenna communication system
App 20050175115 - Walton, Jay Rodney ;   et al.
2005-08-11
Broadcast transmission with spatial spreading in a multi-antenna communication system
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2005-07-21
Iterative detection and decoding for a MIMO-OFDM system
App 20050157811 - Bjerke, Bjorn A. ;   et al.
2005-07-21
Refrigeration source for a cryoablation catheter
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2005-07-21
Data transmission with spatial spreading in a mimo communication system
App 20050157805 - Walton, Jay Rodney ;   et al.
2005-07-21
Method, apparatus, and system for multiplexing protocol data units
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2005-06-23
Method, apparatus, and system for medium access control
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2005-06-23
Wireless LAN protocol stack
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2005-06-23
High speed media access control with legacy system interoperability
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2005-06-23
Power control for partial channel-state information (CSI) multiple-input, multiple-output (MIMO) systems
App 20050130694 - Medvedev, Irina ;   et al.
2005-06-16
Channel calibration for a time division duplexed communication system
App 20050128953 - Wallace, Mark S. ;   et al.
2005-06-16
Method and apparatus for providing an efficient control channel structure in a wireless communication system
App 20050120097 - Walton, J. Rodney ;   et al.
2005-06-02
Multi-antenna transmission for spatial division multiple access
App 20050111599 - Walton, J. Rodney ;   et al.
2005-05-26
Receiver spatial processing for eigenmode transmission in a MIMO system
App 20050078762 - Ketchum, John W. ;   et al.
2005-04-14
Frequency-independent spatial processing for wideband MISO and MIMO systems
App 20050047515 - Walton, J. Rodney ;   et al.
2005-03-03
Method and apparatus for utilizing channel state information in a wireless communication system
App 20050002326 - Ling, Fuyung ;   et al.
2005-01-06
Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information
App 20050002468 - Walton, Jay R. ;   et al.
2005-01-06
Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
App 20040234004 - Ketchum, John W. ;   et al.
2004-11-25
Pilots for MIMO communication systems
App 20040179627 - Ketchum, John W. ;   et al.
2004-09-16
Method and system for increased bandwidth efficiency in multiple input - multiple output channels
App 20040179626 - Ketchum, John W.
2004-09-16
Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information
Grant 6,785,341 - Walton , et al. August 31, 2
2004-08-31
Method and apparatus for utilizing channel state information in a wireless communication system
App 20040165558 - Ling, Fuyun ;   et al.
2004-08-26
Derivation of eigenvectors for spatial processing in MIMO communication systems
App 20040165684 - Ketchum, John W. ;   et al.
2004-08-26
Random access for wireless multiple-access communication systems
App 20040156328 - Walton, J. Rodney ;   et al.
2004-08-12
Method and apparatus for utilizing channel state information in a wireless communication system
Grant 6,771,706 - Ling , et al. August 3, 2
2004-08-03
Multi-mode terminal in a wireless MIMO system
App 20040146018 - Walton, J. Rodney ;   et al.
2004-07-29
MIMO system with multiple spatial multiplexing modes
App 20040136349 - Walton, J. Rodney ;   et al.
2004-07-15
Time-domain transmit and receive processing with channel eigen-mode decomposition for MIMO systems
Grant 6,760,388 - Ketchum , et al. July 6, 2
2004-07-06
Closed-loop rate control for a multi-channel communication system
App 20040120411 - Walton, Jay Rodney ;   et al.
2004-06-24
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission
Grant 6,751,187 - Walton , et al. June 15, 2
2004-06-15
Rate-compatible LDPC codes
App 20040098659 - Bjerke, Bjorn A. ;   et al.
2004-05-20
Channel estimation and spatial processing for TDD MIMO systems
App 20040087324 - Ketchum, John W. ;   et al.
2004-05-06
Channel calibration for a time division duplexed communication system
App 20040085939 - Wallace, Mark S. ;   et al.
2004-05-06
Multiple-access hybrid OFDM-CDMA system
App 20040085892 - Walton, Jay R. ;   et al.
2004-05-06
Method and system for increased bandwidth efficiency in multiple input--multiple output channels
Grant 6,731,668 - Ketchum May 4, 2
2004-05-04
MIMO WLAN system
App 20040082356 - Walton, J. Rodney ;   et al.
2004-04-29
OFDM communication system with multiple OFDM symbol sizes
App 20040081131 - Walton, Jay Rod ;   et al.
2004-04-29
Transmit diversity processing for a multi-antenna communication system
App 20040081073 - Walton, J. Rodney ;   et al.
2004-04-29
Coded MIMO systems with selective channel inversion applied per eigenmode
App 20040042556 - Medvedev, Irina ;   et al.
2004-03-04
Beam-steering and beam-forming for wideband MIMO/MISO systems
App 20040042439 - Menon, Murali Paravath ;   et al.
2004-03-04
Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems
App 20030235255 - Ketchum, John W. ;   et al.
2003-12-25
Diversity transmission modes for MIMO OFDM communication systems
App 20030235147 - Walton, Jay R. ;   et al.
2003-12-25
Precoding for a multipath channel in a MIMO system
App 20030185310 - Ketchum, John W. ;   et al.
2003-10-02
Method and system for increased bandwidth efficiency in multiple input - multiple output channels
App 20030165183 - Ketchum, John W.
2003-09-04
Power control for partial channel-state information (CSI) multiple-input, multiple-output (MIMO) systems
App 20030157954 - Medvedev, Irina ;   et al.
2003-08-21
Reallocation of excess power for full channel-state information (CSI) multiple-input, multiple-output (MIMO) systems
App 20030139196 - Medvedev, Irina ;   et al.
2003-07-24
Resource allocation for MIMO-OFDM communication systems
App 20030128658 - Walton, Jay Rod ;   et al.
2003-07-10
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
App 20030112880 - Walton, Jay R. ;   et al.
2003-06-19
Time-domain transmit and receive processing with channel eigen-mode decompositon for MIMO systems
App 20030108117 - Ketchum, John W. ;   et al.
2003-06-12
Iterative detection and decoding for a MIMO-OFDM system
App 20030103584 - Bjerke, Bjorn A. ;   et al.
2003-06-05
Adaptive rate control for OFDM communication system
App 20030086371 - Walton, Jay R. ;   et al.
2003-05-08
Multiple-access hybrid OFDM-CDMA system
App 20030081538 - Walton, Jay R. ;   et al.
2003-05-01
Method and apparatus for determining power allocation in a MIMO communication system
App 20030072379 - Ketchum, John W.
2003-04-17
Methods and apparatuses for fast power control of signals transmitted on a multiple access channel
Grant 6,542,488 - Walton , et al. April 1, 2
2003-04-01
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel inversion
App 20030048856 - Ketchum, John W. ;   et al.
2003-03-13
Method and apparatus for processing data for transmission in a multi-channel communication system using selective channel transmission
App 20030043732 - Walton, Jay R. ;   et al.
2003-03-06
Method and apparatus for processing data in a multiple-input multiple-output (MIMO) communication system utilizing channel state information
App 20030035491 - Walton, Jay R. ;   et al.
2003-02-20
Method and apparatus for utilizing channel state information in a wireless communication system
App 20030003880 - Ling, Fuyun ;   et al.
2003-01-02
Method and apparatus for utilizing channel state information in a wireless communication system
App 20020191703 - Ling, Fuyun ;   et al.
2002-12-19
Methods and apparatuses for fast power control of signals transmitted on a multiple access channel
App 20010028638 - Walton, Jay R. ;   et al.
2001-10-11
Methods and apparatuses for fast power control of signals transmitted on a multiple access channel
Grant 6,252,865 - Walton , et al. June 26, 2
2001-06-26
Power control in a CDMA network
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Company Registrations
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