Single-parity SOVA improves bit decisions while removing one row or column decoder, cutting hardware, power, and processing time.
Built-in error correction during flash block transfer prevents writing corrupted data, improving reliability and block reuse.
Buffer memories let a memory arbitrator reschedule conflicting interleaver-bank accesses, improving parallel turbo decoder throughput.
Row-direction buffering cuts page-crossing DRAM access during PO encoding, reducing latency and buffer overhead in error correction code generation.
Cyclic bit-sequence expansion and pointer exchange cut Viterbi decoder power and register count while preserving reliable tail-biting decoding.
Known data inserted into stuff-byte positions gives VSB receivers more frequent references for synchronization and equalization in multipath channels.
Systematic and parity bits are reordered into matrix-interleaved segments to improve burst-error recovery and throughput in wireless multi-slot packets.
Configurable trellis parameters in an FPGA decoder support multiple CPM schemes while reducing modem software burden and power use.
Error flags from first-pass decoding guide de-interleaving and erasure correction, improving DSL noise tolerance without extra memory.
Iterative FEC parameter selection balances coding gain, code length, and overhead loss to improve DSL transmission rate and capacity.
Probability-ranked trellis tracebacks and speculative CRC checks cut UMTS blind transport format detection workload, power use, and delay.
Round-robin pipelining across non-adjacent trellis indices speeds state-metric updates while reducing circuit area and memory conflicts.
Parallel check node updates and data permutation let one layered LDPC decoder support multiple code structures with efficient hardware use.
A correction matrix updates hard decisions from soft decisions to minimize ISI and adapt bit recovery to channel aging and temperature shifts.
Forward and partial backward Viterbi metrics decode tail-biting convolutional codes with lower complexity while preserving code rate.
An FPGA-based trellis decoder cuts modem software load while decoding convolutional codes and CPM signals across SATCOM standards.
New generator pairs are selected for combined PPM-BPSK mapping to preserve BPSK-like error performance and receiver compatibility.
Cyclic shifted identity sub-matrices make LDPC code construction more flexible while reducing decoder hardware complexity and improving BER.
Intermediate verification voltages identify and correct MLC read errors, then readjust cell data to extend retention time.
A hierarchical mix of turbo coding and trellis coded modulation boosts coding gain while avoiding the decoding complexity of full turbo schemes.
Selective packet retransmission uses each receiver's error concealment capability to preserve video quality while limiting QoS load and congestion.
Computes xDSL FEC settings from interleaver, codeword, and check-byte limits to avoid exhaustive search and balance data rate and latency.
Only corrupted FEC-encoded blocks are retransmitted and combined with stored blocks, cutting bandwidth use in noisy channels.
A multi-mode OFDM receiver estimator improves symbol timing accuracy in noise while avoiding pilot-symbol data rate loss.
A structured LDPC scheme supports HARQ rate changes with one parity-check matrix set, reducing hardware complexity while preserving reliability.
Early-stop logic and input pipelining let converged codewords finish sooner, cutting decoder power and area while preserving worst-case decoding.
Forcing unused ACS units to fixed decision bits corrects traceback initialization and improves Viterbi decoder BER across frame lengths.
A vector-based pruning approach preserves S-random spread properties across multiple interleaver sizes while keeping complexity competitive.
Nonlinear scaling reshapes quantized LLR distributions before turbo decoding, improving BER and BLER without large memory or complexity costs.
Models correlated tape-storage defects by merging overlapping error regions, improving error probability estimates for interleaved codewords.
Receiver resources are reallocated from TDD subframe timing and feedback delay to improve data processing efficiency and error performance.
Best-fit bit analysis and dummy bit insertion help decode noisy asynchronous streams and let FEC recover data with fewer rejections.
A quaternary CPM demodulator generates log-likelihood soft bit metrics for better coded decoding without survivor-state memory.
A generalized traceback circuit uses segmented 16-bit vectors and optimized addressing to cut DSP cycles, memory accesses, and power.
A parity-check syndrome flags when correction is needed, limiting Viterbi search to likely error locations and cutting decoding complexity.
GRS-based irregular LDPC coding with interleaving improves BER and channel-capacity performance in MIMO wireless links with manageable code complexity.
By splitting Viterbi states into real and imaginary sets, this MSK equalizer cuts computation and memory while preserving MLSE accuracy.
Parallel spectral equalization and LDPC decoding improve tape data retrieval under low SNR and head-to-tape separation variation.
Selective burst access skips rejected coded bursts and preserves memory locations, cutting decoding time and resource use.
Variable latency control aligns data and error-correction codes across parallel memory paths to improve high-speed transmission efficiency.
Parallel component-code stages cut LDPC decoding complexity, power, and latency while sustaining high-throughput error correction.