Error Correction/Detection Using Concatenated Codes TRIZ Cases
- Broadcast Transmitter Mapping Using Non-Uniform QAM Constellations
Non-uniform QAM mapping helps broadcast transmitters close the Shannon-limit gap and improve BER and FER beyond uniform constellations.
- LDPC Transmitter Shortening Using Nonsequential Zero-Padded Bit Groups
Nonsequential zero padding in fixed LDPC bit groups improves BER and FER while avoiding more complex real-time encoding decisions.
- LDPC Interleaving Layout for Better Broadcast Decoding
Parity, group, and block interleaving reorganize LDPC bit groups to improve symbol mapping, decoding, and reception in digital broadcasting.
- LDPC Interleaving Layout for Coexisting Block Interleaving Types
Group-wise and block interleaving let LDPC transmissions support type A and B layouts while preserving decoding and error correction.
- LDPC Parity Interleaving for Fixed-Length Signaling Puncturing
Group-wise LDPC parity interleaving and length-based puncturing improve fixed-length signaling robustness and broadcast transmission efficiency.
- QAM Constellation Mapping with Non-Uniform Point Spacing
Non-uniform QAM point spacing reduces the Shannon-limit gap and improves BER and FER compared with uniform constellations.
- LDPC Bit Group Interleaving for Decoding-Stable Symbol Mapping
Grouped LDPC codeword bits are interleaved and mapped to symbol positions to improve decoding and receiving performance in digital broadcasting.
- LDPC Bit-Group Mapping to Modulation Symbols for Better Decoding
Predetermined LDPC bit-group interleaving assigns bits to modulation symbol positions to improve decoding and receiving performance.
- QAM Mapping Tables Using Non-Uniform Constellations for Lower BER
Precomputed non-uniform constellation tables improve QAM BER and FER by narrowing the Shannon-limit gap without complex real-time mapping.
- LDPC Transmitter Shortening Pattern for BER and FER Stability
Non-sequential zero padding and shortening patterns help an LDPC transmitter meet code length targets without degrading BER and FER.
- LDPC Shortening Pattern for Lower BER in Broadcast Transmitters
Nonsequential zero padding across LDPC bit groups improves BER and FER while keeping broadcast transmitter encoding structured.
- LDPC Parity Interleaving for Robust Variable-Length Signaling
Group-wise LDPC parity interleaving and dynamic puncturing improve robustness and bit efficiency in variable-length signaling transmission.
- Generalized Concatenated Codes for High-Rate Flash Memory ECC
Using SPC at the lowest GC code level cuts ECC redundancy and decoding burden while preserving reliable flash memory storage.
- Wireless Broadcast Coding with BCH-LDPC Shortening Patterns
Predefined zero-padding and puncturing patterns help BCH-LDPC coding handle variable word lengths while preserving throughput and reliability.
- LDPC Zero Padding Order for Variable-Length Broadcast Signaling
A shortening-pattern zero padding scheme matches BCH and LDPC bit lengths to strengthen variable-length broadcast signaling without excess redundancy.
- Non-Uniform Constellation Mapping for Lower BER in Broadcast Modulation
Non-uniform constellation mapping closes the Shannon-limit gap in broadcast modulation by improving BER and FER over uniform QAM.
- BICM Transmitter Mapping with Non-Uniform QAM Constellations
Predefined non-uniform QAM patterns improve BICM BER and FER by adapting constellation geometry to SNR, coding rate, and fading channels.
- Control Data Scrambling and Shortening for Lower OFDM PAPR
Padding, scrambling, replacement, and shortening lower OFDM control-data PAPR while easing DVB-T2 demodulation processing.
- Broadcast Signal Mapping with Non-Uniform Constellation Tables
Predefined non-uniform constellation tables improve BER and FER in broadcast transmission by narrowing the gap to the Shannon limit.
- LDPC Bit-Group Interleaving for Decoding-Oriented Symbol Mapping
Structured LDPC bit-group interleaving maps selected bits to specific symbol positions to improve decoding and receiving performance.
- Broadcast Modulation Mapping With Non-Uniform Constellations
Predefined non-uniform constellation tables reduce the Shannon-limit gap and improve BER and FER in broadcast modulation.
- LDPC Bit-Group Interleaving for Broadcast Decoding Reliability
Selective LDPC bit-group interleaving maps key bits to fixed symbol positions, improving broadcast decoding and reception with lower complexity.
- QAM Transmitter Mapping With Non-Uniform Constellations
Precomputed non-uniform constellation tables reduce the Shannon-limit gap and improve BER/FER in high-order QAM broadcasting.
- LDPC Group Interleaving and Symbol Mapping for Broadcast Decoding
Bit-group, parity, and block interleaving improve LDPC symbol mapping to raise decoding and receiving performance in digital broadcasting.
- LDPC Bit-Group Interleaving for Lower BER in Symbol Mapping
Hierarchical LDPC bit-group interleaving maps selected bits to symbol positions to cut bit and frame errors in digital broadcasting.
- Non-Uniform Constellation Mapping for Shannon-Limit QAM Transmission
SNR-tuned non-uniform constellations reshape QAM point spacing to narrow the Shannon-limit gap and improve BER and FER.
- LDPC Codeword Interleaving for Decoding-Stable Symbol Mapping
Structured LDPC bit-group interleaving maps selected codeword bits to symbol positions to improve decoding and receiving performance.
- LDPC Parity Bit Puncturing Pattern for Reliable Rate Adaptation
A fixed LDPC parity-group puncturing order preserves decoding reliability while adapting code rate for noisy broadcasting channels.
- Control Data Scrambling for Lower-PAPR OFDM Demodulation
Padding and replacing dummy bits before BCH and LDPC encoding lowers OFDM control-data PAPR without adding receiver demodulation burden.
- Data-Path Protection Using LBA-Embedded CRC and ECC
Embedding logical block addresses in CRC and ECC checksums helps storage paths detect mismatched blocks and improve read-write data integrity.