Accumulate rateless codes and their performances over additive white Gaussian noise channel
In this study, the authors propose a new class of rateless codes applicable to noisy channels, that is, the so-called accumulate rateless (AR) codes, which concatenate the low density generator matrix (LDGM) rateless code with a simple post-code, that is, a post-position accumulator. The new coding...
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| Veröffentlicht in: | IET communications 2013-03, Vol.7 (4), p.372-381 |
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| container_title | IET communications |
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| creator | Chen, Shaolei Zhang, Zhaoyang Zhu, Liangliang Wu, Kedi Chen, Xiaoming |
| description | In this study, the authors propose a new class of rateless codes applicable to noisy channels, that is, the so-called accumulate rateless (AR) codes, which concatenate the low density generator matrix (LDGM) rateless code with a simple post-code, that is, a post-position accumulator. The new coding structure is not only effective in reducing the ‘error floor’ as observed in traditional LDGM rateless codes such as Luby transform (LT) codes, but also quite simple for realisation as compared with the rateless codes using a pre-coding structure such as Raptor codes. The extrinsic information transfer charts and the corresponding projection of intersectant curves for both the systematic and non-systematic AR codes are analysed. Based on these, their convergence performance and optimal degree distributions are investigated. Simulation results show that, the performance of AR codes over additive white Gaussian noise channel is comparable to that of Raptor codes. |
| doi_str_mv | 10.1049/iet-com.2012.0315 |
| format | Article |
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The new coding structure is not only effective in reducing the ‘error floor’ as observed in traditional LDGM rateless codes such as Luby transform (LT) codes, but also quite simple for realisation as compared with the rateless codes using a pre-coding structure such as Raptor codes. The extrinsic information transfer charts and the corresponding projection of intersectant curves for both the systematic and non-systematic AR codes are analysed. Based on these, their convergence performance and optimal degree distributions are investigated. Simulation results show that, the performance of AR codes over additive white Gaussian noise channel is comparable to that of Raptor codes.</description><identifier>ISSN: 1751-8628</identifier><identifier>ISSN: 1751-8636</identifier><identifier>EISSN: 1751-8636</identifier><identifier>DOI: 10.1049/iet-com.2012.0315</identifier><language>eng</language><publisher>Stevenage: The Institution of Engineering and Technology</publisher><subject>accumulate rateless codes ; additive white Gaussian noise channel ; Additives ; AWGN channels ; Channels ; codes ; Convergence ; Density ; error floor reduction ; extrinsic information transfer charts ; Gaussian ; low density generator matrix rateless code ; Noise ; optimal degree distributions ; Optimization ; precoding ; pre‐coding structure ; Raptor codes ; Simulation</subject><ispartof>IET communications, 2013-03, Vol.7 (4), p.372-381</ispartof><rights>The Institution of Engineering and Technology</rights><rights>2021 The Institution of Engineering and Technology</rights><rights>Copyright The Institution of Engineering & Technology Mar 2013</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4728-1323652731ecec87204f511002b43e17410dddf443ea4074e847e17be8d029123</citedby><cites>FETCH-LOGICAL-c4728-1323652731ecec87204f511002b43e17410dddf443ea4074e847e17be8d029123</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1049%2Fiet-com.2012.0315$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1049%2Fiet-com.2012.0315$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,11560,27922,27923,45572,45573,46050,46474</link.rule.ids><linktorsrc>$$Uhttps://onlinelibrary.wiley.com/doi/abs/10.1049%2Fiet-com.2012.0315$$EView_record_in_Wiley-Blackwell$$FView_record_in_$$GWiley-Blackwell</linktorsrc></links><search><creatorcontrib>Chen, Shaolei</creatorcontrib><creatorcontrib>Zhang, Zhaoyang</creatorcontrib><creatorcontrib>Zhu, Liangliang</creatorcontrib><creatorcontrib>Wu, Kedi</creatorcontrib><creatorcontrib>Chen, Xiaoming</creatorcontrib><title>Accumulate rateless codes and their performances over additive white Gaussian noise channel</title><title>IET communications</title><description>In this study, the authors propose a new class of rateless codes applicable to noisy channels, that is, the so-called accumulate rateless (AR) codes, which concatenate the low density generator matrix (LDGM) rateless code with a simple post-code, that is, a post-position accumulator. The new coding structure is not only effective in reducing the ‘error floor’ as observed in traditional LDGM rateless codes such as Luby transform (LT) codes, but also quite simple for realisation as compared with the rateless codes using a pre-coding structure such as Raptor codes. The extrinsic information transfer charts and the corresponding projection of intersectant curves for both the systematic and non-systematic AR codes are analysed. Based on these, their convergence performance and optimal degree distributions are investigated. Simulation results show that, the performance of AR codes over additive white Gaussian noise channel is comparable to that of Raptor codes.</description><subject>accumulate rateless codes</subject><subject>additive white Gaussian noise channel</subject><subject>Additives</subject><subject>AWGN channels</subject><subject>Channels</subject><subject>codes</subject><subject>Convergence</subject><subject>Density</subject><subject>error floor reduction</subject><subject>extrinsic information transfer charts</subject><subject>Gaussian</subject><subject>low density generator matrix rateless code</subject><subject>Noise</subject><subject>optimal degree distributions</subject><subject>Optimization</subject><subject>precoding</subject><subject>pre‐coding structure</subject><subject>Raptor codes</subject><subject>Simulation</subject><issn>1751-8628</issn><issn>1751-8636</issn><issn>1751-8636</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqFkE1r3DAQhk1oIem2P6A3QS_twZsZSf7qLV3yBVlySU49CEUaswq2tZXsLPn3kdmQlFDSy2g0PO-8w5tlXxGWCLI5djTmxvdLDsiXILA4yI6wKjCvS1F-eOl5fZh9ivEeoChKKY-y3yfGTP3U6ZFYSKWjGJnxliLTg2XjhlxgWwqtD70eTBr7BwpMW-tG90Bst3FJea6nGJ0e2OBdJGY2ehio-5x9bHUX6cvzu8huz05vVhf51fX55erkKjey4nWOgouy4JVAMmTqioNsC0QAficFYSURrLWtTB8toZJUyyqN76i2wBvkYpF93-_dBv9nojiq3kVDXacH8lNUWKCQsikFJPTbG_TeT2FI1ymUDW9AQF0nCveUCT7GQK3aBtfr8KgQ1By3SnGrFLea41Zz3Enzc6_ZuY4e_y9Qq_Ut_3UGUDWzYb4Xz9jrRe-Y_fgHf3l6o1bX6788trYVT7jdoag</recordid><startdate>201303</startdate><enddate>201303</enddate><creator>Chen, Shaolei</creator><creator>Zhang, Zhaoyang</creator><creator>Zhu, Liangliang</creator><creator>Wu, Kedi</creator><creator>Chen, Xiaoming</creator><general>The Institution of Engineering and Technology</general><general>John Wiley & Sons, Inc</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>P5Z</scope><scope>P62</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>S0W</scope><scope>7SC</scope><scope>7SP</scope><scope>8FD</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>201303</creationdate><title>Accumulate rateless codes and their performances over additive white Gaussian noise channel</title><author>Chen, Shaolei ; Zhang, Zhaoyang ; Zhu, Liangliang ; Wu, Kedi ; Chen, Xiaoming</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4728-1323652731ecec87204f511002b43e17410dddf443ea4074e847e17be8d029123</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>accumulate rateless codes</topic><topic>additive white Gaussian noise channel</topic><topic>Additives</topic><topic>AWGN channels</topic><topic>Channels</topic><topic>codes</topic><topic>Convergence</topic><topic>Density</topic><topic>error floor reduction</topic><topic>extrinsic information transfer charts</topic><topic>Gaussian</topic><topic>low density generator matrix rateless code</topic><topic>Noise</topic><topic>optimal degree distributions</topic><topic>Optimization</topic><topic>precoding</topic><topic>pre‐coding structure</topic><topic>Raptor codes</topic><topic>Simulation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Shaolei</creatorcontrib><creatorcontrib>Zhang, Zhaoyang</creatorcontrib><creatorcontrib>Zhu, Liangliang</creatorcontrib><creatorcontrib>Wu, Kedi</creatorcontrib><creatorcontrib>Chen, Xiaoming</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>DELNET Engineering & Technology Collection</collection><collection>Computer and Information Systems Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>IET communications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Chen, Shaolei</au><au>Zhang, Zhaoyang</au><au>Zhu, Liangliang</au><au>Wu, Kedi</au><au>Chen, Xiaoming</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Accumulate rateless codes and their performances over additive white Gaussian noise channel</atitle><jtitle>IET communications</jtitle><date>2013-03</date><risdate>2013</risdate><volume>7</volume><issue>4</issue><spage>372</spage><epage>381</epage><pages>372-381</pages><issn>1751-8628</issn><issn>1751-8636</issn><eissn>1751-8636</eissn><abstract>In this study, the authors propose a new class of rateless codes applicable to noisy channels, that is, the so-called accumulate rateless (AR) codes, which concatenate the low density generator matrix (LDGM) rateless code with a simple post-code, that is, a post-position accumulator. The new coding structure is not only effective in reducing the ‘error floor’ as observed in traditional LDGM rateless codes such as Luby transform (LT) codes, but also quite simple for realisation as compared with the rateless codes using a pre-coding structure such as Raptor codes. The extrinsic information transfer charts and the corresponding projection of intersectant curves for both the systematic and non-systematic AR codes are analysed. Based on these, their convergence performance and optimal degree distributions are investigated. Simulation results show that, the performance of AR codes over additive white Gaussian noise channel is comparable to that of Raptor codes.</abstract><cop>Stevenage</cop><pub>The Institution of Engineering and Technology</pub><doi>10.1049/iet-com.2012.0315</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | accumulate rateless codes additive white Gaussian noise channel Additives AWGN channels Channels codes Convergence Density error floor reduction extrinsic information transfer charts Gaussian low density generator matrix rateless code Noise optimal degree distributions Optimization precoding pre‐coding structure Raptor codes Simulation |
| title | Accumulate rateless codes and their performances over additive white Gaussian noise channel |
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