Paul Bezner

Auxiliary Nodes for BP Decoding of Quantum LDPC Codes

Daniel Tandler, Paul Bezner, Stephan ten Brink

Many recently proposed Calderbank-Shor-Steane (CSS) quantum low-density parity-check (QLDPC) codes have sparse decoding graphs, enabling syndrome-based belief propagation (BP) decoding at low complexity. Their construction, however, often results in properties that impair BP perf…Read more