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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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I received PhD from mathematicis department,University of the Punjab Pakistan. I served as a teacher at University of Management and Technology Lahore Pakistan and Hafer Al-Batin Community College (King Fahad University of Petrolume and Minirals) Saudi Arabia.
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- PublisherVDM Verlag Dr. Müller
- Publication date2010
- ISBN 10 3639264096
- ISBN 13 9783639264098
- BindingPaperback
- Number of pages100
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Polygon Semi regular Low Density Parity Check Codes: Graphs Designs and Codes
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Book Description Taschenbuch. Condition: Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -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. 100 pp. Englisch. Seller Inventory # 9783639264098
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Book Description Taschenbuch. Condition: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - 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. Seller Inventory # 9783639264098
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Book Description Kartoniert / Broschiert. Condition: New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: shah khalilI received PhD from mathematicis department,University of the Punjab Pakistan. I served as a teacher at University of Management and Technology Lahore Pakistan and Hafer Al-Batin Community College (King Fahad University. Seller Inventory # 4972150
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