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Document Type : Latin Dissertation
Language of Document : English
Record Number : 148837
Doc. No : ET20629
Main Entry : LINGQI ZENG
Title Proper : Algebraic Constructions of Nonbinary Quasi-Cyclic LDPC Codes and Efficient Encoding
Note : This document is digital این مدرک بصورت الکترونیکی می باشد
Abstract : This dissertation presents three algebraic methods for constructing nonbinary low-density parity-check (LDPC) codes whose Tanner graphs has girth at least 6. The ex-perimental results show that these codes perform well under iterative decoding algorithm.Compared with other nonbinary LDPC codes, codes constructed by algebraic methods havequasi-cyclic or cyclic structure and therefore allow efficient encoding. First presented is afinite field approach for constructing two classes of quasi-cyclic LDPC codes. The parity-check matrices of the codes constructed by the finite field approach usually have full row.
Subject : Electericl tess
: برق
electronic file name : TL43769.pdf
Title and statement of responsibility and : Algebraic Constructions of Nonbinary Quasi-Cyclic LDPC Codes and Efficient Encoding [Thesis]
 
 
 
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