Polygon Semi regular Low Density Parity Check Codes

Name: Polygon Semi regular Low Density Parity Check Codes
Brand: VDM Verlag
SKU: 9783639264098
Price: 253.57 RON
Availability: InStock

Autor: Khalil Shah

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Editura: VDM Verlag

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I proposed a new algorithm for the allocation of g- values to the binary vectors. An infinite family...

Informații despre carte

Autor

Khalil Shah

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2010

Pagini

100

EAN

9783639264098

ISBN

3639264096

Enbook ID

06833736

Editura

VDM Verlag

Greutate

159

Dimensiuni

152 x 229 x 6

Descriere completă

I proposed a new algorithm for the allocation of g- values to the binary vectors. An infinite family of simple graphs in generated by placing copies of polygons in parallel such that degree of each vertex is three. We call them polygon graphs. Since polygon graphs are bipartite therefore they can be used as Tanner graphs to generate low density parity check codes. An incidence structure defined on these polygon graphs in named as polygon semi design. Rows of incidence matrix are reduced by deleting rows from the bottom one by one. These matrices serve as parity check matrices to define low density parity check codes for various dimensions. Size of the stopping sets in the associated Tanner graphs of LDPC codes determine the performance of codes over binary erasure channel. The generated polygon semi regular LDPC codes are simulated and their performance is presented by BER. plots. There exists polygon semi regular LDPC codes e.g. (25,4,17), (49,6,19) etc. The LDPC codes of girth 6 presented by Vera Pless has parameters (25,4,10), (49,6,14). This shows a significant improvement in terms of minimum distance.

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Polygon Semi regular Low Density Parity Check Codes

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