Inventor · disambiguated record
A. Roger Hammons, Jr.
Also filed as: HAMMONS A ROGER · HAMMONS JR A ROGER
63 granted patents·2 pending applications·1,926 citations·filing 1995–2015
99Inventor score
Files withHUGHES ELECTRONICS CORP27DIRECTV GROUP INC20EROZ MUSTAFA4HAMMONS JR A ROGER4DTVG LICENSING INC3
Top patents by PatentIndex Score
65 records- 0198US6430722B1Forward error correction scheme for data channels using universal turbo codesHUGHES ELECTRONICS CORP·Filed 1999·Granted Aug 6, 2002·144 cites·70 claims
- 0298US6430233B1Single-LNB satellite data receiverHUGHES ELECTRONICS CORP·Filed 1999·Granted Aug 6, 2002·324 cites·47 claims
- 0398US6334197B1Turbo code interleaver with near optimal performanceHUGHES ELECTRONICS CORP·Filed 1999·Granted Dec 25, 2001·127 cites·16 claims
- 0496US6665829B2Forward error correction scheme for CDMA data channels using universal turbo codesHUGHES ELECTRONICS CORP·Filed 2002·Granted Dec 16, 2003·53 cites·56 claims
- 0593US6332209B1Method for a general turbo code trellis terminationHUGHES ELECTRONICS CORP·Filed 1999·Granted Dec 18, 2001·61 cites·7 claims
- 0692US7596323B1Optical communications systems, devices, and methodsBROADWING CORP·Filed 2006·Granted Sep 29, 2009·52 cites·2 claims
- 0792US6370669B1Sets of rate-compatible universal turbo codes nearly optimized over various rates and interleaver sizesHUGHES ELECTRONICS CORP·Filed 1999·Granted Apr 9, 2002·218 cites·31 claims
- 0891US7761750B2Turbo code interleaver with near optimal performanceDIRECTV GROUP INC·Filed 2007·Granted Jul 20, 2010·14 cites·33 claims
- 0989US7526687B2Turbo code interleaver with near optimal performanceDIRECTV GROUP INC·Filed 2005·Granted Apr 28, 2009·13 cites·17 claims
- 1089US7296212B1Multi-dimensional irregular array codes and methods for forward error correction, and apparatuses and systems employing such codes and methodsBROADWING CORP·Filed 2003·Granted Nov 13, 2007·39 cites·19 claims
- 1189US6898248B1System employing threaded space-time architecture for transporting symbols and receivers for multi-user detection and decoding of symbolsHUGHES ELECTRONICS CORP·Filed 2000·Granted May 24, 2005·89 cites·24 claims
- 1288US7657797B2Turbo code interleaver with near optimal performanceDIRECTV GROUP INC·Filed 2007·Granted Feb 2, 2010·11 cites·12 claims
- 1388US7346827B2Forward error correction scheme for data channels using universal turbo codesDIRECTV GROUP INC·Filed 2005·Granted Mar 18, 2008·12 cites·19 claims
- 1488US7324482B2Method and constructions for space-time codes for PSK constellations for spatial diversity in multiple-element antenna systemsDIRECTV GROUP INC·Filed 2004·Granted Jan 29, 2008·54 cites·31 claims
- 1587US7536624B2Sets of rate-compatible universal turbo codes nearly optimized over various rates and interleaver sizesDIRECTV GROUP INC·Filed 2005·Granted May 19, 2009·10 cites·16 claims
- 1687US6601214B1System and method employing a rate matching algorithm for providing optimized puncturing patterns for turbo encoded data in a communications networkHUGHES ELECTRONICS CORP·Filed 2000·Granted Jul 29, 2003·54 cites·22 claims
- 1783US7342875B2Space-time coded OFDM system for MMDS applicationsDIRECTV GROUP INC·Filed 2001·Granted Mar 11, 2008·33 cites·31 claims
- 1883US6678263B1Method and constructions for space-time codes for PSK constellations for spatial diversity in multiple-element antenna systemsHUGHES ELECTRONICS CORP·Filed 1999·Granted Jan 13, 2004·127 cites·22 claims
- 1983US6608874B1Method and apparatus for quadrature multi-pulse modulation of data for spectrally efficient communicationHUGHES ELECTRONICS CORP·Filed 1998·Granted Aug 19, 2003·46 cites·7 claims
- 2082US7010053B2Method and system for utilizing space-time and space-frequency codes for multi-input multi-output frequency selective fading channelsEL-GAMAL HESHAM·Filed 2001·Granted Mar 7, 2006·31 cites·54 claims
- 2181US6925587B2Turbo code interleaver with near optimal performanceHUGHES ELECTRONICS CORP·Filed 2001·Granted Aug 2, 2005·16 cites·14 claims
- 2281US6574767B2Forward error correction scheme for cellular mobile radio systems using universal turbo codesHUGHES ELECTRONICS CORP·Filed 2002·Granted Jun 3, 2003·15 cites·6 claims
- 2379US6560295B1Method of generating space-time codes for generalized layered space-time architecturesHUGHES ELECTRONICS CORP·Filed 2000·Granted May 6, 2003·34 cites·14 claims
- 2478US7827465B2Method for a general near optimal turbo code trellis terminationDIRECTV GROUP INC·Filed 2007·Granted Nov 2, 2010·6 cites·22 claims
- 2578US7096404B2Forward error correction scheme for data channels using universal turbo codesDIRECTTV GROUP INC·Filed 2003·Granted Aug 22, 2006·14 cites·34 claims
- 2677US6697990B2Interleaver design for parsed parallel concatenated codesHUGHES ELECTRONICS CORP·Filed 2000·Granted Feb 24, 2004·23 cites·16 claims
- 2775US6892342B2Sets of rate-compatible universal turbo codes nearly optimized over various rates and interleaver sizesHUGHES ELECTRONICS CORP·Filed 2002·Granted May 10, 2005·17 cites·26 claims
- 2874US7925963B2Sets of rate-compatible universal turbo codes nearly optimized over various rates and interleaver sizesDTVG LICENSING INC·Filed 2009·Granted Apr 12, 2011·5 cites·18 claims
- 2974US6675348B1Turbo-like forward error correction encoder and decoder with improved weight spectrum and reduced degradation in the waterfall performance regionHUGHES ELECTRONICS CORP·Filed 2000·Granted Jan 6, 2004·25 cites·20 claims
- 3073US7840869B2Forward error correction scheme for data channels using universal turbo codesDIRECTV GROUP INC·Filed 2007·Granted Nov 23, 2010·4 cites·36 claims
- 3171US8321725B2Turbo code interleaver with optimal performanceEROZ MUSTAFA·Filed 2007·Granted Nov 27, 2012·4 cites·6 claims
- 3271US7779329B2Method for a general near optimal turbo code trellis terminationDIRECTV GROUP INC·Filed 2007·Granted Aug 17, 2010·4 cites·18 claims
- 3369US7110464B2Method and system for utilizing space-time codes for block fading channelsDIRECTV GROUP INC·Filed 2005·Granted Sep 19, 2006·3 cites·15 claims
- 3469US7042956B2Method and system for utilizing space-time codes for block fading channelsEL-GAMAL HESHAM·Filed 2001·Granted May 9, 2006·12 cites·49 claims
- 3568US8201048B2Method for a general near optimal turbo code trellis terminationEROZ MUSTAFA·Filed 2007·Granted Jun 12, 2012·3 cites·20 claims
- 3667US7487431B2Method for a general near optimal turbo code trellis terminationDIRECTV GROUP INC·Filed 2005·Granted Feb 3, 2009·3 cites·24 claims
- 3767US7483476B2Method and system for utilizing space-time and space-frequency codes for multi-input multi-output frequency selective fading channelsDIRECTV GROUP INC·Filed 2007·Granted Jan 27, 2009·2 cites·24 claims
- 3866US7315570B2Method and system for utilizing space-time and space-frequency codes for multi-input multi-output frequency selective fading channelsDIRECTV GROUP INC·Filed 2005·Granted Jan 1, 2008·2 cites·11 claims
- 3966US6857098B2Forward error correction scheme for data channels using universal turbo codesHUGHES ELECTRONICS CORP·Filed 2003·Granted Feb 15, 2005·7 cites·13 claims
- 4065US8671332B2Systems and methods for a rateless round robin protocol for adaptive error controlHAMMONS JR A ROGER·Filed 2010·Granted Mar 11, 2014·2 cites·25 claims
- 4165US8374272B2Space-time coded OFDM system for MMDS applicationsDIRECTV GROUP INC·Filed 2008·Granted Feb 12, 2013·2 cites·14 claims
- 4264US7415076B2Method and system for utilizing space-time codes for block fading channelsDIRECTV GROUP INC·Filed 2006·Granted Aug 19, 2008·2 cites·24 claims
- 4363US8671324B2Turbo code interleaver with near optimal performanceDIRECTV GROUP INC·Filed 2012·Granted Mar 11, 2014·1 cites·6 claims
- 4463US8429490B2Method for a general near optimal turbo code trellis terminationEROZ MUSTAFA·Filed 2012·Granted Apr 23, 2013·1 cites·9 claims
- 4563US7840871B2Forward error correction scheme for data channels using universal turbo codesDIRECTV GROUP INC·Filed 2009·Granted Nov 23, 2010·2 cites·17 claims
- 4658US6373858B1Burst format and associated signal processing to improve frequency and timing estimation for random access channelsHUGHES ELECTRONICS CORP·Filed 1998·Granted Apr 16, 2002·40 cites·25 claims
- 4758US6347124B1System and method of soft decision decodingHUGHES ELECTRONICS CORP·Filed 1998·Granted Feb 12, 2002·42 cites·15 claims
- 4853US7010054B2Method and system for utilizing space-time overlays for convolutionally coded systemsDIRECTV GROUP INC·Filed 2001·Granted Mar 7, 2006·2 cites·78 claims
- 4952US6862706B2Method for a general near optimal turbo code trellis terminationHUGHES ELECTRONICS CORP·Filed 2001·Granted Mar 1, 2005·3 cites·25 claims
- 5051US7012967B2Method of generating space-time codes for generalized layered space-time architecturesHAMMONS JR A ROGER·Filed 2003·Granted Mar 14, 2006·3 cites·22 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →