AJ

A. Roger Hammons, Jr.

HL Hughes Electronics Limited: 26 patents #2 of 1,474Top 1%
DI Directv: 22 patents #24 of 679Top 4%
DL Dtvg Licensing: 5 patents #4 of 10Top 40%
The Johns Hopkins University: 3 patents #710 of 4,416Top 20%
BR Broadwing: 2 patents #4 of 26Top 20%
HS Hughes Network Systems: 1 patents #220 of 379Top 60%
📍 Ashburn, VA: #8 of 799 inventorsTop 2%
🗺 Virginia: #166 of 34,511 inventorsTop 1%
Overall (All Time): #35,996 of 4,157,543Top 1%
63
Patents All Time

Issued Patents All Time

Showing 26–50 of 63 patents

Patent #TitleCo-InventorsDate
7415076 Method and system for utilizing space-time codes for block fading channels Hesham El-Gamal 2008-08-19
7346827 Forward error correction scheme for data channels using universal turbo codes Mustafa Eroz 2008-03-18
7342875 Space-time coded OFDM system for MMDS applications Hesham El-Gamal, Lin-Nan Lee, Stan Kay, Andrew J. MacDonald, Jack Rozmaryn +1 more 2008-03-11
7324482 Method and constructions for space-time codes for PSK constellations for spatial diversity in multiple-element antenna systems Hesham El Gamal 2008-01-29
7315570 Method and system for utilizing space-time and space-frequency codes for multi-input multi-output frequency selective fading channels Hesham El-Gamal 2008-01-01
7296212 Multi-dimensional irregular array codes and methods for forward error correction, and apparatuses and systems employing such codes and methods 2007-11-13
7110464 Method and system for utilizing space-time codes for block fading channels Hesham El-Gamal 2006-09-19
7096404 Forward error correction scheme for data channels using universal turbo codes Mustafa Eroz 2006-08-22
7042956 Method and system for utilizing space-time codes for block fading channels Hesham El-Gamal 2006-05-09
7012967 Method of generating space-time codes for generalized layered space-time architectures Hasham El Gamal 2006-03-14
7010053 Method and system for utilizing space-time and space-frequency codes for multi-input multi-output frequency selective fading channels Hesham El-Gamal 2006-03-07
7010054 Method and system for utilizing space-time overlays for convolutionally coded systems Hesham El-Gamal 2006-03-07
6925587 Turbo code interleaver with near optimal performance Mustafa Eroz, Feng-Wen Sun 2005-08-02
6898248 System employing threaded space-time architecture for transporting symbols and receivers for multi-user detection and decoding of symbols Hesham ElGamal 2005-05-24
6892342 Sets of rate-compatible universal turbo codes nearly optimized over various rates and interleaver sizes Mustafa Eroz 2005-05-10
6862706 Method for a general near optimal turbo code trellis termination Mustafa Eroz 2005-03-01
6857098 Forward error correction scheme for data channels using universal turbo codes Mustafa Eroz 2005-02-15
6697990 Interleaver design for parsed parallel concatenated codes Hesham El-Gamal, Mustafa Eroz 2004-02-24
6678263 Method and constructions for space-time codes for PSK constellations for spatial diversity in multiple-element antenna systems Hesham El Gamal 2004-01-13
6675348 Turbo-like forward error correction encoder and decoder with improved weight spectrum and reduced degradation in the waterfall performance region Hehsam El Gamal 2004-01-06
6665829 Forward error correction scheme for CDMA data channels using universal turbo codes Mustafa Eroz 2003-12-16
6608874 Method and apparatus for quadrature multi-pulse modulation of data for spectrally efficient communication Bassel F. Beidas 2003-08-19
6601214 System and method employing a rate matching algorithm for providing optimized puncturing patterns for turbo encoded data in a communications network 2003-07-29
6574767 Forward error correction scheme for cellular mobile radio systems using universal turbo codes Mustafa Eroz 2003-06-03
6560295 Method of generating space-time codes for generalized layered space-time architectures Hasham El Gamal 2003-05-06