An Efficient Symbol-by-Symbol Aided Expectation Propagation Detector for OTFS With Index Modulation
In this letter, an efficient symbol-by-symbol aided expectation propagation (SS-EP) detector is designed for orthogonal time frequency space (OTFS) with index modulation (IM). Specifically, the null symbol of the OTFS-IM scheme is utilized to the expanded constellation symbol for expectation propaga...
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| Veröffentlicht in: | IEEE wireless communications letters 2022-10, Vol.11 (10), p.2046-2050 |
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| container_title | IEEE wireless communications letters |
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| creator | Li, Liuke Xiao, Lixia Zhang, Xufan Liu, Guanghua Li, Shuo Jiang, Tao |
| description | In this letter, an efficient symbol-by-symbol aided expectation propagation (SS-EP) detector is designed for orthogonal time frequency space (OTFS) with index modulation (IM). Specifically, the null symbol of the OTFS-IM scheme is utilized to the expanded constellation symbol for expectation propagation. A varied zero sequence is designed based on the index mapping principle for our proposed SS-EP detector to improve the performance. Moreover, low-complexity SS-EP (LC-SS-EP) detector is developed, where the successive updating method is designed to update the statistical variables to reduce the operations of matrix inversion in each iteration. The simulated results show that the proposed SS-EP detectors are capable of providing significant performance gains over the existing detectors for both uncoded and coded OTFS-IM system. |
| doi_str_mv | 10.1109/LWC.2022.3192834 |
| format | Article |
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(IEEE) 2022</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c291t-5774b4b099535e4b152032949c55405a9afd96b93cbf4eabf1c9f8f40f6ff5d33</citedby><cites>FETCH-LOGICAL-c291t-5774b4b099535e4b152032949c55405a9afd96b93cbf4eabf1c9f8f40f6ff5d33</cites><orcidid>0000-0001-7959-8356 ; 0000-0003-0460-4453 ; 0000-0002-8482-1046</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/9834333$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/9834333$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Li, Liuke</creatorcontrib><creatorcontrib>Xiao, Lixia</creatorcontrib><creatorcontrib>Zhang, Xufan</creatorcontrib><creatorcontrib>Liu, Guanghua</creatorcontrib><creatorcontrib>Li, Shuo</creatorcontrib><creatorcontrib>Jiang, Tao</creatorcontrib><title>An Efficient Symbol-by-Symbol Aided Expectation Propagation Detector for OTFS With Index Modulation</title><title>IEEE wireless communications letters</title><addtitle>LWC</addtitle><description>In this letter, an efficient symbol-by-symbol aided expectation propagation (SS-EP) detector is designed for orthogonal time frequency space (OTFS) with index modulation (IM). Specifically, the null symbol of the OTFS-IM scheme is utilized to the expanded constellation symbol for expectation propagation. A varied zero sequence is designed based on the index mapping principle for our proposed SS-EP detector to improve the performance. Moreover, low-complexity SS-EP (LC-SS-EP) detector is developed, where the successive updating method is designed to update the statistical variables to reduce the operations of matrix inversion in each iteration. The simulated results show that the proposed SS-EP detectors are capable of providing significant performance gains over the existing detectors for both uncoded and coded OTFS-IM system.</description><subject>Complexity theory</subject><subject>Detectors</subject><subject>expectation propagation (EP)</subject><subject>index modulation (IM)</subject><subject>Indexes</subject><subject>Manganese</subject><subject>Modulation</subject><subject>Orthogonal time frequency space (OTFS)</subject><subject>Performance enhancement</subject><subject>Propagation</subject><subject>symbol-by-symbol (SS)</subject><subject>Symbols</subject><subject>Time-frequency analysis</subject><issn>2162-2337</issn><issn>2162-2345</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9UF1rwjAUDWODifN9sJfAnuvy2ZpHcboJDgc6fAxJmmwVbbo0gv33a1fxwOUe7j3nXjgAPGI0xhiJl9VuNiaIkDHFgkwouwEDglOSEMr47ZXT7B6M6nqPWqQIEzwZADMt4dy5whS2jHDTHLU_JLpJeganRW5zOD9X1kQVC1_Cz-Ar9d3zVxvbuQ_QtbXeLjZwV8QfuCxze4YfPj8d_nUP4M6pQ21Hlz4EX4v5dvaerNZvy9l0lRgicEx4ljHNNBKCU26ZxpwgSgQThnOGuBLK5SLVghrtmFXaYSPcxDHkUud4TukQPPd3q-B_T7aOcu9PoWxfSpIRwlnKsk6FepUJvq6DdbIKxVGFRmIkuzRlm6bs0pSXNFvLU28prLVXuehWLf4AoDRvqg</recordid><startdate>20221001</startdate><enddate>20221001</enddate><creator>Li, Liuke</creator><creator>Xiao, Lixia</creator><creator>Zhang, Xufan</creator><creator>Liu, Guanghua</creator><creator>Li, Shuo</creator><creator>Jiang, Tao</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0001-7959-8356</orcidid><orcidid>https://orcid.org/0000-0003-0460-4453</orcidid><orcidid>https://orcid.org/0000-0002-8482-1046</orcidid></search><sort><creationdate>20221001</creationdate><title>An Efficient Symbol-by-Symbol Aided Expectation Propagation Detector for OTFS With Index Modulation</title><author>Li, Liuke ; Xiao, Lixia ; Zhang, Xufan ; Liu, Guanghua ; Li, Shuo ; Jiang, Tao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c291t-5774b4b099535e4b152032949c55405a9afd96b93cbf4eabf1c9f8f40f6ff5d33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Complexity theory</topic><topic>Detectors</topic><topic>expectation propagation (EP)</topic><topic>index modulation (IM)</topic><topic>Indexes</topic><topic>Manganese</topic><topic>Modulation</topic><topic>Orthogonal time frequency space (OTFS)</topic><topic>Performance enhancement</topic><topic>Propagation</topic><topic>symbol-by-symbol (SS)</topic><topic>Symbols</topic><topic>Time-frequency analysis</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Li, Liuke</creatorcontrib><creatorcontrib>Xiao, Lixia</creatorcontrib><creatorcontrib>Zhang, Xufan</creatorcontrib><creatorcontrib>Liu, Guanghua</creatorcontrib><creatorcontrib>Li, Shuo</creatorcontrib><creatorcontrib>Jiang, Tao</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE wireless communications letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Li, Liuke</au><au>Xiao, Lixia</au><au>Zhang, Xufan</au><au>Liu, Guanghua</au><au>Li, Shuo</au><au>Jiang, Tao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An Efficient Symbol-by-Symbol Aided Expectation Propagation Detector for OTFS With Index Modulation</atitle><jtitle>IEEE wireless communications letters</jtitle><stitle>LWC</stitle><date>2022-10-01</date><risdate>2022</risdate><volume>11</volume><issue>10</issue><spage>2046</spage><epage>2050</epage><pages>2046-2050</pages><issn>2162-2337</issn><eissn>2162-2345</eissn><coden>IWCLAF</coden><abstract>In this letter, an efficient symbol-by-symbol aided expectation propagation (SS-EP) detector is designed for orthogonal time frequency space (OTFS) with index modulation (IM). Specifically, the null symbol of the OTFS-IM scheme is utilized to the expanded constellation symbol for expectation propagation. A varied zero sequence is designed based on the index mapping principle for our proposed SS-EP detector to improve the performance. Moreover, low-complexity SS-EP (LC-SS-EP) detector is developed, where the successive updating method is designed to update the statistical variables to reduce the operations of matrix inversion in each iteration. The simulated results show that the proposed SS-EP detectors are capable of providing significant performance gains over the existing detectors for both uncoded and coded OTFS-IM system.</abstract><cop>Piscataway</cop><pub>IEEE</pub><doi>10.1109/LWC.2022.3192834</doi><tpages>5</tpages><orcidid>https://orcid.org/0000-0001-7959-8356</orcidid><orcidid>https://orcid.org/0000-0003-0460-4453</orcidid><orcidid>https://orcid.org/0000-0002-8482-1046</orcidid></addata></record> |
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| subjects | Complexity theory Detectors expectation propagation (EP) index modulation (IM) Indexes Manganese Modulation Orthogonal time frequency space (OTFS) Performance enhancement Propagation symbol-by-symbol (SS) Symbols Time-frequency analysis |
| title | An Efficient Symbol-by-Symbol Aided Expectation Propagation Detector for OTFS With Index Modulation |
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