Towards optimal edge weight distribution and construction of field‐compatible low‐density parity‐check codes over GF(q)

Non‐binary low‐density parity‐check (NB‐LDPC) codes can be directly constructed by using algebraic methods, or indirectly constructed by mapping well‐designed binary parity‐check matrices to non‐binary parity‐check matrices. Given the Tanner graph (TG) of a NB‐LDPC code, the selection of edge weight...

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Veröffentlicht in:	IET communications 2014-12, Vol.8 (18), p.3215-3222
Hauptverfasser:	Han, Guojun, Guan, Yong Liang, Kong, Lingjun, Chan, Kheong Sann, Cai, Kui
Format:	Artikel
Sprache:	eng
Schlagworte:	Algebra algebraic codes algebraic methods binary parity‐check matrices Construction decoding Error correcting codes EWD parameter FC‐LDPC codes field‐compatible low‐density parity‐check codes fleld‐compatible LDPC codes GF(q) Graph theory matrix algebra NB‐LDPC code Niobium nonbinary low‐density parity‐check codes nonbinary parity‐check matrices optimal edge weight construction optimal edge weight distribution Optimization parity check codes particle swarm optimisation PSO Simulation Swarm intelligence Tanner graph two‐element distribution variable‐node degree
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