An OTFS-DFRC Waveform Design Method Based on Phase Perturbation
Orthogonal time frequency space (OTFS) is a new communication waveform modulation method. It was first proposed in the field of communication to counter the doubly dispersive channel under high Doppler, but it also has great potential in the field of radar. This letter proposes an OTFS modulated wav...
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| Veröffentlicht in: | IEEE communications letters 2023-10, Vol.27 (10), p.1-1 |
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| creator | Song, Guangbo Bai, Jiahao Wei, Guohua |
| description | Orthogonal time frequency space (OTFS) is a new communication waveform modulation method. It was first proposed in the field of communication to counter the doubly dispersive channel under high Doppler, but it also has great potential in the field of radar. This letter proposes an OTFS modulated waveform design method with dual functions of radar and communication based on phase perturbation, mainly studies the radar performance of OTFS waveform, derives the expression of the ambiguity function of OTFS waveform, focuses on the range-velocity two-dimensional sidelobe, and optimizes the peak sidelobe level of ambiguity function by adding phase perturbation to each communication symbol. Simulation results show that this algorithm can effectively reduce the peak sidelobe level of OTFS, and it only brings slight symbol error rate loss. The tradeoff between radar and communication can be achieved by adjusting the upper bound of the perturbation. |
| doi_str_mv | 10.1109/LCOMM.2023.3303538 |
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It was first proposed in the field of communication to counter the doubly dispersive channel under high Doppler, but it also has great potential in the field of radar. This letter proposes an OTFS modulated waveform design method with dual functions of radar and communication based on phase perturbation, mainly studies the radar performance of OTFS waveform, derives the expression of the ambiguity function of OTFS waveform, focuses on the range-velocity two-dimensional sidelobe, and optimizes the peak sidelobe level of ambiguity function by adding phase perturbation to each communication symbol. Simulation results show that this algorithm can effectively reduce the peak sidelobe level of OTFS, and it only brings slight symbol error rate loss. The tradeoff between radar and communication can be achieved by adjusting the upper bound of the perturbation.</description><identifier>ISSN: 1089-7798</identifier><identifier>EISSN: 1558-2558</identifier><identifier>DOI: 10.1109/LCOMM.2023.3303538</identifier><identifier>CODEN: ICLEF6</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Algorithms ; Ambiguity ; ambiguity function ; Communication symbols ; Doppler effect ; Doppler radar ; Dual functional radar-communication ; Modulation ; orthogonal time frequency space ; Perturbation ; Perturbation methods ; phase perturbation ; Radar ; Radar detection ; Sidelobes ; Signal to noise ratio ; Upper bounds ; Waveforms</subject><ispartof>IEEE communications letters, 2023-10, Vol.27 (10), p.1-1</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2023</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c247t-3a067a4b2b23803a12bc47363563ae66378a80b83ad3cda4e42d6205f9238d0c3</cites><orcidid>0000-0001-7680-5188 ; 0009-0005-0482-5194 ; 0000-0002-0048-6878</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/10214162$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>315,781,785,797,27929,27930,54763</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/10214162$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Song, Guangbo</creatorcontrib><creatorcontrib>Bai, Jiahao</creatorcontrib><creatorcontrib>Wei, Guohua</creatorcontrib><title>An OTFS-DFRC Waveform Design Method Based on Phase Perturbation</title><title>IEEE communications letters</title><addtitle>LCOMM</addtitle><description>Orthogonal time frequency space (OTFS) is a new communication waveform modulation method. It was first proposed in the field of communication to counter the doubly dispersive channel under high Doppler, but it also has great potential in the field of radar. This letter proposes an OTFS modulated waveform design method with dual functions of radar and communication based on phase perturbation, mainly studies the radar performance of OTFS waveform, derives the expression of the ambiguity function of OTFS waveform, focuses on the range-velocity two-dimensional sidelobe, and optimizes the peak sidelobe level of ambiguity function by adding phase perturbation to each communication symbol. Simulation results show that this algorithm can effectively reduce the peak sidelobe level of OTFS, and it only brings slight symbol error rate loss. The tradeoff between radar and communication can be achieved by adjusting the upper bound of the perturbation.</description><subject>Algorithms</subject><subject>Ambiguity</subject><subject>ambiguity function</subject><subject>Communication symbols</subject><subject>Doppler effect</subject><subject>Doppler radar</subject><subject>Dual functional radar-communication</subject><subject>Modulation</subject><subject>orthogonal time frequency space</subject><subject>Perturbation</subject><subject>Perturbation methods</subject><subject>phase perturbation</subject><subject>Radar</subject><subject>Radar detection</subject><subject>Sidelobes</subject><subject>Signal to noise ratio</subject><subject>Upper bounds</subject><subject>Waveforms</subject><issn>1089-7798</issn><issn>1558-2558</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpNkE1PAjEQhhujiYj-AeOhiefFttOvPRlcQE0gEMV4bLq7XVkiW2wXE_-9i3DwMvMenncmeRC6pmRAKUnvptl8NhswwmAAQECAPkE9KoROWDdOu0x0miiV6nN0EeOaEKKZoD10P2zwfDl5TUaTlwy_229X-bDBIxfrjwbPXLvyJX6w0ZXYN3ix6hJeuNDuQm7b2jeX6Kyyn9FdHXcfvU3Gy-wpmc4fn7PhNCkYV20Clkhlec5yBpqApSwvuAIJQoJ1UoLSVpNcgy2hKC13nJWSEVGlHV-SAvro9nB3G_zXzsXWrP0uNN1Lw7QSQuqU8o5iB6oIPsbgKrMN9caGH0OJ2Ysyf6LMXpQ5iupKN4dS7Zz7V2CUU8ngF-_XYX4</recordid><startdate>20231001</startdate><enddate>20231001</enddate><creator>Song, Guangbo</creator><creator>Bai, Jiahao</creator><creator>Wei, Guohua</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/0000-0001-7680-5188</orcidid><orcidid>https://orcid.org/0009-0005-0482-5194</orcidid><orcidid>https://orcid.org/0000-0002-0048-6878</orcidid></search><sort><creationdate>20231001</creationdate><title>An OTFS-DFRC Waveform Design Method Based on Phase Perturbation</title><author>Song, Guangbo ; Bai, Jiahao ; Wei, Guohua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c247t-3a067a4b2b23803a12bc47363563ae66378a80b83ad3cda4e42d6205f9238d0c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Algorithms</topic><topic>Ambiguity</topic><topic>ambiguity function</topic><topic>Communication symbols</topic><topic>Doppler effect</topic><topic>Doppler radar</topic><topic>Dual functional radar-communication</topic><topic>Modulation</topic><topic>orthogonal time frequency space</topic><topic>Perturbation</topic><topic>Perturbation methods</topic><topic>phase perturbation</topic><topic>Radar</topic><topic>Radar detection</topic><topic>Sidelobes</topic><topic>Signal to noise ratio</topic><topic>Upper bounds</topic><topic>Waveforms</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Song, Guangbo</creatorcontrib><creatorcontrib>Bai, Jiahao</creatorcontrib><creatorcontrib>Wei, Guohua</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998–Present</collection><collection>IEEE Xplore Digital Library</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE communications letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Song, Guangbo</au><au>Bai, Jiahao</au><au>Wei, Guohua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An OTFS-DFRC Waveform Design Method Based on Phase Perturbation</atitle><jtitle>IEEE communications letters</jtitle><stitle>LCOMM</stitle><date>2023-10-01</date><risdate>2023</risdate><volume>27</volume><issue>10</issue><spage>1</spage><epage>1</epage><pages>1-1</pages><issn>1089-7798</issn><eissn>1558-2558</eissn><coden>ICLEF6</coden><abstract>Orthogonal time frequency space (OTFS) is a new communication waveform modulation method. It was first proposed in the field of communication to counter the doubly dispersive channel under high Doppler, but it also has great potential in the field of radar. This letter proposes an OTFS modulated waveform design method with dual functions of radar and communication based on phase perturbation, mainly studies the radar performance of OTFS waveform, derives the expression of the ambiguity function of OTFS waveform, focuses on the range-velocity two-dimensional sidelobe, and optimizes the peak sidelobe level of ambiguity function by adding phase perturbation to each communication symbol. Simulation results show that this algorithm can effectively reduce the peak sidelobe level of OTFS, and it only brings slight symbol error rate loss. The tradeoff between radar and communication can be achieved by adjusting the upper bound of the perturbation.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LCOMM.2023.3303538</doi><tpages>1</tpages><orcidid>https://orcid.org/0000-0001-7680-5188</orcidid><orcidid>https://orcid.org/0009-0005-0482-5194</orcidid><orcidid>https://orcid.org/0000-0002-0048-6878</orcidid></addata></record> |
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| source | IEEE Xplore Digital Library |
| subjects | Algorithms Ambiguity ambiguity function Communication symbols Doppler effect Doppler radar Dual functional radar-communication Modulation orthogonal time frequency space Perturbation Perturbation methods phase perturbation Radar Radar detection Sidelobes Signal to noise ratio Upper bounds Waveforms |
| title | An OTFS-DFRC Waveform Design Method Based on Phase Perturbation |
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