Inventor · disambiguated record
Ba-Zhong Shen
Also filed as: SHEN BA-ZHONG
186 granted patents·15 pending applications·2,263 citations·filing 1996–2019
99Inventor score
Top patents by PatentIndex Score
201 records- 0198US6199188B1System for finding roots of degree three and degree four error locator polynomials over GF(2M)QUANTUM CORP·Filed 2000·Granted Mar 6, 2001·116 cites·15 claims
- 0297US8341492B2Quasi-cyclic LDPC (low density parity check) code constructionSHEN BA-ZHONG·Filed 2009·Granted Dec 25, 2012·73 cites·20 claims
- 0397US6518892B2Stopping criteria for iterative decodingBROADCOM CORP·Filed 2001·Granted Feb 11, 2003·76 cites·16 claims
- 0495US9503303B2Symbol mapping for binary codingBROADCOM CORP·Filed 2015·Granted Nov 22, 2016·13 cites·20 claims
- 0594US9819444B2Robust line coding scheme for communication under severe external noisesBROADCOM CORP·Filed 2015·Granted Nov 14, 2017·12 cites·20 claims
- 0694US8234551B2Single CRC polynomial for both turbo code block CRC and transport block CRCSHEN BA-ZHONG·Filed 2008·Granted Jul 31, 2012·28 cites·20 claims
- 0794US7281192B2LDPC (Low Density Parity Check) coded signal decoding using parallel and simultaneous bit node and check node processingBROADCOM CORP·Filed 2004·Granted Oct 9, 2007·58 cites·60 claims
- 0894US6637002B1Decoder for error correcting block codesMAXTOR CORP·Filed 1998·Granted Oct 21, 2003·114 cites·60 claims
- 0993US7900127B2LDPC (Low Density Parity Check) codes with corresponding parity check matrices selectively constructed with CSI (Cyclic Shifted Identity) and null sub-matricesBROADCOM CORP·Filed 2009·Granted Mar 1, 2011·21 cites·20 claims
- 1093US7516390B2LDPC (Low Density Parity Check) coding and interleaving implemented in MIMO communication systemsBROADCOM CORP·Filed 2005·Granted Apr 7, 2009·26 cites·29 claims
- 1193US7296216B2Stopping and/or reducing oscillations in low density parity check (LDPC) decodingBROADCOM CORP·Filed 2003·Granted Nov 13, 2007·58 cites·82 claims
- 1292US6686853B2Method and apparatus for iterative decodingBROADCOM CORP·Filed 2002·Granted Feb 3, 2004·38 cites·12 claims
- 1391US9692451B2Non-binary low density parity check (NB-LDPC) codes for communication systemsBROADCOM CORP·Filed 2015·Granted Jun 27, 2017·26 cites·20 claims
- 1491US7644339B2Overlapping sub-matrix based LDPC (low density parity check) decoderBROADCOM CORP·Filed 2007·Granted Jan 5, 2010·18 cites·28 claims
- 1591US7500172B2AMP (accelerated message passing) decoder adapted for LDPC (low density parity check) codesBROADCOM CORP·Filed 2005·Granted Mar 3, 2009·25 cites·20 claims
- 1691US7447984B2System correcting random and/or burst errors using RS (Reed-Solomon) code, turbo/LDPC (Low Density Parity Check) code and convolutional interleaveBROADCOM CORP·Filed 2005·Granted Nov 4, 2008·26 cites·20 claims
- 1791US7197690B2Bandwidth efficient coded modulation scheme based on MLC (multi-level code) signals having multiple mapsBROADCOM CORP·Filed 2004·Granted Mar 27, 2007·43 cites·23 claims
- 1891US7149953B2Efficient LDPC code decoding with new minus operator in a finite precision radix systemBROADCOM CORP·Filed 2004·Granted Dec 12, 2006·52 cites·35 claims
- 1991US7139964B2Variable modulation with LDPC (low density parity check) codingBROADCOM CORP·Filed 2003·Granted Nov 21, 2006·58 cites·42 claims
- 2091US6982659B2Method and apparatus for iterative decodingBROADCOM CORP·Filed 2004·Granted Jan 3, 2006·35 cites·24 claims
- 2190US8811509B2Forward error correction (FEC) m-bit symbol modulationSHEN BA-ZHONG·Filed 2011·Granted Aug 19, 2014·14 cites·26 claims
- 2290US7958428B2LDPC (low density parity check) coded signal decoding using parallel and simultaneous bit node and check node processingBROADCOM CORP·Filed 2007·Granted Jun 7, 2011·18 cites·20 claims
- 2390US7617439B2Algebraic construction of LDPC (Low Density Parity Check) codes with corresponding parity check matrix having CSI (Cyclic Shifted Identity) sub-matricesBROADCOM CORP·Filed 2005·Granted Nov 10, 2009·21 cites·42 claims
- 2489US7370265B2Bandwidth efficient coded modulation scheme based on MLC (multi-level code) signals having multiple mapsBROADCOM CORP·Filed 2007·Granted May 6, 2008·18 cites·20 claims
- 2587US7617441B2Efficient construction of LDPC (Low Density Parity Check) codes with corresponding parity check matrix having CSI (Cyclic Shifted Identity) sub-matricesBROADCOM CORP·Filed 2006·Granted Nov 10, 2009·18 cites·20 claims
- 2687US7216283B2Iterative metric updating when decoding LDPC (low density parity check) coded signals and LDPC coded modulation signalsBROADCOM CORP·Filed 2003·Granted May 8, 2007·46 cites·31 claims
- 2787US7158589B2Method and apparatus for parallel decoding of turbo encoded dataBROADCOM CORP·Filed 2001·Granted Jan 2, 2007·19 cites·23 claims
- 2887US7017106B2Low density parity check (LDPC) code decoder using min*, min**, max* or max** and their respective inversesBROADCOM CORP·Filed 2004·Granted Mar 21, 2006·41 cites·20 claims
- 2986US7530002B2Sub-matrix-based implementation of LDPC (Low Density Parity Check) decoderBROADCOM CORP·Filed 2006·Granted May 5, 2009·17 cites·20 claims
- 3086US7415079B2Decoder design adaptable to decode coded signals using min* or max* processingBROADCOM CORP·Filed 2004·Granted Aug 19, 2008·50 cites·92 claims
- 3185US8479076B2Header encoding for single carrier (SC) and/or orthogonal frequency division multiplexing (OFDM) using shortening, puncturing, and/or repetitionTRACHEWSKY JASON A·Filed 2012·Granted Jul 2, 2013·6 cites·20 claims
- 3285US8392786B2LDPC coding systems for 60 GHz millimeter wave based physical layer extensionTRACHEWSKY JASON A·Filed 2009·Granted Mar 5, 2013·13 cites·20 claims
- 3385US8341487B2Low complexity communication device employing in-place constructed LDPC (low density parity check) codeBLANKSBY ANDREW J·Filed 2010·Granted Dec 25, 2012·8 cites·20 claims
- 3484US8683288B2Variable modulation with LDPC (low density parity check) codingSHEN BA-ZHONG·Filed 2012·Granted Mar 25, 2014·5 cites·20 claims
- 3584US8631312B2LDPC (Low Density Parity Check) codes with corresponding parity check matrices selectively constructed with CSI (Cyclic Shifted Identity) and null sub-matricesSHEN BA-ZHONG·Filed 2013·Granted Jan 14, 2014·6 cites·20 claims
- 3684US7715503B2Parallel concatenated code with soft-in soft-out interactive turbo decoderBROADCOM CORP·Filed 2009·Granted May 11, 2010·7 cites·20 claims
- 3783US7549105B2Construction of irregular LDPC (low density parity check) codes using RS (Reed-Solomon) codes or GRS (generalized Reed-Solomon) codeBROADCOM CORP·Filed 2005·Granted Jun 16, 2009·14 cites·26 claims
- 3883US7451386B2LDPC (Low Density Parity Check) coded modulation hybrid decodingBROADCOM CORP·Filed 2007·Granted Nov 11, 2008·12 cites·20 claims
- 3983US7401283B2Amplifying magnitude metric of received signals during iterative decoding of LDPC (Low Density Parity Check) code and LDPC coded modulationBROADCOM CORP·Filed 2005·Granted Jul 15, 2008·14 cites·28 claims
- 4083US7242726B2Parallel concatenated code with soft-in soft-out interactive turbo decoderBROADCOM CORP·Filed 2001·Granted Jul 10, 2007·15 cites·22 claims
- 4181US8640011B2Single CRC polynomial for both turbo code block CRC and transport block CRCSHEN BA-ZHONG·Filed 2012·Granted Jan 28, 2014·5 cites·20 claims
- 4281US8213611B2Two-stage block synchronization and scramblingUNGERBOECK GOTTFRIED·Filed 2005·Granted Jul 3, 2012·9 cites·20 claims
- 4381US8145987B2LDPC (low density parity check) codes with corresponding parity check matrices selectively constructed with CSI (cyclic shifted identity) and null sub-matricesSHEN BA-ZHONG·Filed 2011·Granted Mar 27, 2012·5 cites·20 claims
- 4481US7587659B2Efficient front end memory arrangement to support parallel bit node and check node processing in LDPC (Low Density Parity Check) decodersBROADCOM CORP·Filed 2005·Granted Sep 8, 2009·13 cites·10 claims
- 4581US7383485B2Fast min*- or max*-circuit in LDPC (low density parity check) decoderBROADCOM CORP·Filed 2005·Granted Jun 3, 2008·13 cites·32 claims
- 4680US8407556B2LDPC (low density parity check) coding and interleaving implemented in MIMO communication systemsSHEN BA-ZHONG·Filed 2009·Granted Mar 26, 2013·7 cites·20 claims
- 4780US8301967B2Turbo coding for upstream and downstream transmission in cable systemsBHASKARAN RAVI·Filed 2010·Granted Oct 30, 2012·6 cites·33 claims
- 4880US7617442B2Efficient construction of LDPC (Low Density Parity Check) codes with corresponding parity check matrix having CSI (Cyclic Shifted Identity) sub-matricesBROADCOM CORP·Filed 2006·Granted Nov 10, 2009·12 cites·20 claims
- 4980US7210092B1Symbol by symbol variable constellation type and/or mapping capable communication deviceBROADCOM CORP·Filed 2003·Granted Apr 24, 2007·25 cites·33 claims
- 5079US8069387B2Turbo coding having combined turbo de-padding and rate matching de-paddingSHEN BA-ZHONG·Filed 2008·Granted Nov 29, 2011·7 cites·20 claims
Showing the top 50 of 201 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →