Constructing Short-Length Irregular LDPC Codes with Low Error Floor

2010 ◽  
Vol 58 (10) ◽  
pp. 2823-2834 ◽  
Author(s):  
Xia Zheng ◽  
Francis C. M. Lau ◽  
Chi K. Tse
Keyword(s):  
Ldpc Codes ◽  
Short Length ◽  
Error Floor ◽  
Irregular Ldpc Codes

scholarly journals ACE spectrum of LDPC codes

2006 ◽  
Vol 16 (1) ◽  
pp. 33-36 ◽  
Author(s):  
Dejan Vukobratovic ◽  
Aleksandar Djurendic ◽  
Vojin Senk
Keyword(s):  
Ldpc Codes ◽  
Ldpc Code ◽  
Research Problem ◽  
Short Length ◽  
Error Floor ◽  
Code Graph ◽  
Construction Algorithms

Construction of short-length LDPC codes with good, both waterfall and error-floor, behavior is still an attractive research problem. Recently proposed construction algorithms in this field are based on remarkably simple ideas, but yet, their effectiveness can still be questioned. In this paper we investigate a novel measure of goodness of a given LDPC code namely its ACE spectrum, based on a previously introduced ACE metrics associated with each cycle in LDPC code graph.

scholarly journals A class of irregular ldpc codes with low error floor and low encoding complexity

2006 ◽  
Vol 10 (5) ◽  
pp. 372-374 ◽  
Author(s):  
Zhiyong He ◽  
P. Fortier ◽  
S. Roy
Keyword(s):  
Ldpc Codes ◽  
Error Floor ◽  
Irregular Ldpc Codes
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