Inventor

SHEN BA-ZHONG

US187 patents

⚠️ This page may combine multiple inventors who share the name “SHEN BA-ZHONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHEN BA-ZHONG

BROADCOM CORP

Stopping criteria for iterative decoding

Stopping and/or reducing oscillations in low density parity check (LDPC) decoding

LDPC (Low Density Parity Check) coded signal decoding using parallel and simultaneous bit node and check node processing

Method and apparatus for parallel decoding of turbo encoded data

Variable modulation with LDPC (low density parity check) coding

Low density parity check (LDPC) code decoder using min*, min**, max* or max** and their respective inverses

Method and apparatus for iterative decoding

LDPC (low density parity check) coded signal decoding using parallel and simultaneous bit node and check node processing

LDPC (Low Density Parity Check) codes with corresponding parity check matrices selectively constructed with CSI (Cyclic Shifted Identity) and null sub-matrices

Overlapping sub-matrix based LDPC (low density parity check) decoder

Algebraic construction of LDPC (Low Density Parity Check) codes with corresponding parity check matrix having CSI (Cyclic Shifted Identity) sub-matrices

Parallel concatenated code with soft-in soft-out interactive turbo decoder

LDPC (Low Density Parity Check) coding and interleaving implemented in MIMO communication systems

AMP (accelerated message passing) decoder adapted for LDPC (low density parity check) codes

System correcting random and/or burst errors using RS (Reed-Solomon) code, turbo/LDPC (Low Density Parity Check) code and convolutional interleave

Decoder design adaptable to decode coded signals using min* or max* processing

LDPC (Low Density Parity Check) coded modulation hybrid decoding using non-Gray code maps for improved performance

Bandwidth efficient coded modulation scheme based on MLC (multi-level code) signals having multiple maps

Interleaver for iterative decoder

LDPC (Low Density Parity Check) coded modulation symbol decoding using non-Gray code maps for improved performance

Decoding LDPC (Low Density Parity Check) code and graphs using multiplication (or addition in log-domain) on both sides of bipartite graph

Iterative metric updating when decoding LDPC (low density parity check) coded signals and LDPC coded modulation signals

Symbol by symbol variable constellation type and/or mapping capable communication device

Bandwidth efficient coded modulation scheme based on MLC (multi-level code) signals having multiple maps

Efficient LDPC code decoding with new minus operator in a finite precision radix system

Low density parity check (LDPC) code decoder using min*, min**, max* or max** and their respective inverses

Method and apparatus for iterative decoding

Robust line coding scheme for communication under severe external noises

Parallel concatenated code with soft-in soft-out interactive turbo decoder

Non-binary low density parity check (NB-LDPC) codes for communication systems

Symbol mapping for binary coding

SHEN BA-ZHONG

Quasi-cyclic LDPC (low density parity check) code construction

Single CRC polynomial for both turbo code block CRC and transport block CRC

Forward error correction (FEC) m-bit symbol modulation

Variable modulation with LDPC (low density parity check) coding

LDPC (Low Density Parity Check) codes with corresponding parity check matrices selectively constructed with CSI (Cyclic Shifted Identity) and null sub-matrices

LDPC (low density parity check) code size adjustment by shortening and puncturing

LDPC (low density parity check) coding and interleaving implemented in MIMO communication systems

QUANTUM CORP

System for finding roots of degree three and degree four error locator polynomials over GF(2M)

Galois field multiplier

System for computing the multiplicative inverse of a field element for galois fields without using tables

Five-error correction system

Modified Reed-Solomon error correction system using (W+i+1)-bit representations of symbols of GF(2w+i)

Error correction encoder/decoder

MAXTOR CORP

Decoder for error correcting block codes

Shared galois field multiplier

System for computing the multiplicative inverse of an element of a Galois field without using tables

TRACHEWSKY JASON A

Header encoding for single carrier (SC) and/or orthogonal frequency division multiplexing (OFDM) using shortening, puncturing, and/or repetition

LDPC coding systems for 60 GHz millimeter wave based physical layer extension

BLANKSBY ANDREW J

Communication device architecture for in-place constructed LDPC (low density parity check) code