Evaluation of large girth LDPC codes for PMD compensation by turbo equalization
Large-girth quasi-cyclic LDPC codes have been experimentally evaluated for use in PMD compensation by turbo equalization for a 10 Gb/s NRZ optical transmission system, and observing one sample per bit. Net effective coding gain improvement for girth-10, rate 0.906 code of length 11936 over maximum a...
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| Veröffentlicht in: | Optics express 2008-08, Vol.16 (17), p.13450-13455 |
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| container_title | Optics express |
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| creator | Minkov, Lyubomir L Djordjevic, Ivan B Xu, Lei Wang, Ting Kueppers, Franko |
| description | Large-girth quasi-cyclic LDPC codes have been experimentally evaluated for use in PMD compensation by turbo equalization for a 10 Gb/s NRZ optical transmission system, and observing one sample per bit. Net effective coding gain improvement for girth-10, rate 0.906 code of length 11936 over maximum a posteriori probability (MAP) detector for differential group delay of 125 ps is 6.25 dB at BER of 10(-6). Girth-10 LDPC code of rate 0.8 outperforms the girth-10 code of rate 0.906 by 2.75 dB, and provides the net effective coding gain improvement of 9 dB at the same BER. It is experimentally determined that girth-10 LDPC codes of length around 15000 approach channel capacity limit within 1.25 dB. |
| doi_str_mv | 10.1364/OE.16.013450 |
| format | Article |
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Net effective coding gain improvement for girth-10, rate 0.906 code of length 11936 over maximum a posteriori probability (MAP) detector for differential group delay of 125 ps is 6.25 dB at BER of 10(-6). Girth-10 LDPC code of rate 0.8 outperforms the girth-10 code of rate 0.906 by 2.75 dB, and provides the net effective coding gain improvement of 9 dB at the same BER. It is experimentally determined that girth-10 LDPC codes of length around 15000 approach channel capacity limit within 1.25 dB.</description><subject>Computer-Aided Design</subject><subject>Data Compression - methods</subject><subject>Equipment Design</subject><subject>Equipment Failure Analysis</subject><subject>Fiber Optic Technology - instrumentation</subject><subject>Signal Processing, Computer-Assisted - instrumentation</subject><subject>Telecommunications - instrumentation</subject><issn>1094-4087</issn><issn>1094-4087</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpNkM1LwzAYh4Mobk5vniUnT3YmTdI2R9nqB0y6g55D0r2ZlXbZknYw_3qrHejp_eDhx48HoWtKppQl_L7IpzSZEsq4ICdoTInkESdZevpvH6GLED4JoTyV6Tka0SylVGR8jIp8r-tOt5XbYGdxrf0a8Lry7QdezJczXLoVBGydx8vXeX81W9iEATcH3HbeOAy7TtfV1-_3Ep1ZXQe4Os4Jen_M32bP0aJ4epk9LKKSxWkbAQdhhSmJzIiwkhpi41SUCRjJWZIQK1Ij-pYrAEZLkfV9gUtJhZYmppaxCbodcrfe7ToIrWqqUEJd6w24LqhEch4LLnvwbgBL70LwYNXWV432B0WJ-hGoilzRRA0Ce_zmmNuZBlZ_8NEY-wZR12oU</recordid><startdate>20080818</startdate><enddate>20080818</enddate><creator>Minkov, Lyubomir L</creator><creator>Djordjevic, Ivan B</creator><creator>Xu, Lei</creator><creator>Wang, Ting</creator><creator>Kueppers, Franko</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20080818</creationdate><title>Evaluation of large girth LDPC codes for PMD compensation by turbo equalization</title><author>Minkov, Lyubomir L ; Djordjevic, Ivan B ; Xu, Lei ; Wang, Ting ; Kueppers, Franko</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c327t-e4e5f5bc09805f91b0f275c6eb943660f57b5187dee31c58871e49915a9b21f33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Computer-Aided Design</topic><topic>Data Compression - methods</topic><topic>Equipment Design</topic><topic>Equipment Failure Analysis</topic><topic>Fiber Optic Technology - instrumentation</topic><topic>Signal Processing, Computer-Assisted - instrumentation</topic><topic>Telecommunications - instrumentation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Minkov, Lyubomir L</creatorcontrib><creatorcontrib>Djordjevic, Ivan B</creatorcontrib><creatorcontrib>Xu, Lei</creatorcontrib><creatorcontrib>Wang, Ting</creatorcontrib><creatorcontrib>Kueppers, Franko</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Optics express</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Minkov, Lyubomir L</au><au>Djordjevic, Ivan B</au><au>Xu, Lei</au><au>Wang, Ting</au><au>Kueppers, Franko</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of large girth LDPC codes for PMD compensation by turbo equalization</atitle><jtitle>Optics express</jtitle><addtitle>Opt Express</addtitle><date>2008-08-18</date><risdate>2008</risdate><volume>16</volume><issue>17</issue><spage>13450</spage><epage>13455</epage><pages>13450-13455</pages><issn>1094-4087</issn><eissn>1094-4087</eissn><abstract>Large-girth quasi-cyclic LDPC codes have been experimentally evaluated for use in PMD compensation by turbo equalization for a 10 Gb/s NRZ optical transmission system, and observing one sample per bit. 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| source | MEDLINE; DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | Computer-Aided Design Data Compression - methods Equipment Design Equipment Failure Analysis Fiber Optic Technology - instrumentation Signal Processing, Computer-Assisted - instrumentation Telecommunications - instrumentation |
| title | Evaluation of large girth LDPC codes for PMD compensation by turbo equalization |
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