IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Regular Section
Weight Distributions of Non-binary LDPC Codes
Kenta KASAICharly POULLIATDavid DECLERCQKohichi SAKANIWA
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2011 Volume E94.A Issue 4 Pages 1106-1115

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Abstract
In this paper, we study the average symbol and bit-weight distributions for ensembles of non-binary low-density parity-check codes defined on GF(2p). Moreover, we derive the asymptotic exponential growth rate of the weight distributions in the limit of large codelength. Interestingly, we show that the normalized typical minimum distance does not monotonically increase with the size of the field.
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© 2011 The Institute of Electronics, Information and Communication Engineers
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