ICI Analysis for FRFT-OFDM Systems to Frequency Offset in Time-Frequency Selective Fading Channels
This letter presents the effects of frequency offset to orthogonal frequency division multiplexing systems based on fractional Fourier transform (FRFT-OFDM) in time-frequency selective fading channels. FRFT-OFDM systems generalize the OFDM systems based on discrete Fourier transform by the deploymen...
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| Veröffentlicht in: | IEEE communications letters 2010-10, Vol.14 (10), p.888-890 |
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| creator | Zheng, Jing Wang, Zulin |
| description | This letter presents the effects of frequency offset to orthogonal frequency division multiplexing systems based on fractional Fourier transform (FRFT-OFDM) in time-frequency selective fading channels. FRFT-OFDM systems generalize the OFDM systems based on discrete Fourier transform by the deployment of FRFT. The expressions of signal-to-interference ratio (SIR) due to ICI are derived in different fading channels. In a flat channel, the performances of both systems are the same. In a frequency selective channel, the FRFT-OFDM systems have superior SIR performances by choosing the optimal fractional factor, when Doppler spread is comparable to the inverse of the symbol duration or carrier offset exists in the system. |
| doi_str_mv | 10.1109/LCOMM.2010.072910.100562 |
| format | Article |
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FRFT-OFDM systems generalize the OFDM systems based on discrete Fourier transform by the deployment of FRFT. The expressions of signal-to-interference ratio (SIR) due to ICI are derived in different fading channels. In a flat channel, the performances of both systems are the same. In a frequency selective channel, the FRFT-OFDM systems have superior SIR performances by choosing the optimal fractional factor, when Doppler spread is comparable to the inverse of the symbol duration or carrier offset exists in the system.</description><identifier>ISSN: 1089-7798</identifier><identifier>EISSN: 1558-2558</identifier><identifier>DOI: 10.1109/LCOMM.2010.072910.100562</identifier><identifier>CODEN: ICLEF6</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; carrier frequency offset ; Channels ; Computational efficiency ; Discrete Fourier transforms ; Doppler effect ; Exact sciences and technology ; Fading ; Fourier transforms ; FRFT ; ICI ; Information, signal and communications theory ; Interference ; Inverse ; Multiplexing ; OFDM ; Offsets ; Optimization ; Orthogonal Frequency Division Multiplexing ; Sampling methods ; Selective fading ; Signal analysis ; Signal and communications theory ; Spreads ; Systems, networks and services of telecommunications ; Telecommunications ; Telecommunications and information theory ; Time frequency analysis ; time-frequency selective fading ; Transmission and modulation (techniques and equipments)</subject><ispartof>IEEE communications letters, 2010-10, Vol.14 (10), p.888-890</ispartof><rights>2015 INIST-CNRS</rights><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Oct 2010</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c370t-c5746d08c26419b15766491cffcac7596575491adb7d74f64b345a225c066fc53</citedby><cites>FETCH-LOGICAL-c370t-c5746d08c26419b15766491cffcac7596575491adb7d74f64b345a225c066fc53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5539720$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5539720$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23309836$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Zheng, Jing</creatorcontrib><creatorcontrib>Wang, Zulin</creatorcontrib><title>ICI Analysis for FRFT-OFDM Systems to Frequency Offset in Time-Frequency Selective Fading Channels</title><title>IEEE communications letters</title><addtitle>COML</addtitle><description>This letter presents the effects of frequency offset to orthogonal frequency division multiplexing systems based on fractional Fourier transform (FRFT-OFDM) in time-frequency selective fading channels. FRFT-OFDM systems generalize the OFDM systems based on discrete Fourier transform by the deployment of FRFT. The expressions of signal-to-interference ratio (SIR) due to ICI are derived in different fading channels. In a flat channel, the performances of both systems are the same. In a frequency selective channel, the FRFT-OFDM systems have superior SIR performances by choosing the optimal fractional factor, when Doppler spread is comparable to the inverse of the symbol duration or carrier offset exists in the system.</description><subject>Applied sciences</subject><subject>carrier frequency offset</subject><subject>Channels</subject><subject>Computational efficiency</subject><subject>Discrete Fourier transforms</subject><subject>Doppler effect</subject><subject>Exact sciences and technology</subject><subject>Fading</subject><subject>Fourier transforms</subject><subject>FRFT</subject><subject>ICI</subject><subject>Information, signal and communications theory</subject><subject>Interference</subject><subject>Inverse</subject><subject>Multiplexing</subject><subject>OFDM</subject><subject>Offsets</subject><subject>Optimization</subject><subject>Orthogonal Frequency Division Multiplexing</subject><subject>Sampling methods</subject><subject>Selective fading</subject><subject>Signal analysis</subject><subject>Signal and communications theory</subject><subject>Spreads</subject><subject>Systems, networks and services of telecommunications</subject><subject>Telecommunications</subject><subject>Telecommunications and information theory</subject><subject>Time frequency analysis</subject><subject>time-frequency selective fading</subject><subject>Transmission and modulation (techniques and equipments)</subject><issn>1089-7798</issn><issn>1558-2558</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkF1LwzAUQIsoqNNf4EtABF86b5ImaR5HtTrYGLj5XLIs0UjXzqQT9u_N7JjgS5Kbe-4HJ0kQhiHGIB8mxWw6HRKIMQgi998AjJOT5AIzlqckHqfxDblMhZD5eXIZwicA5IThi2Q5LsZo1Kh6F1xAtvWofC0X6ax8nKL5LnRmHVDXotKbr61p9A7NrA2mQ65BC7c26V9ibmqjO_dtUKlWrnlHxYdqGlOHq-TMqjqY68M9SN7Kp0Xxkk5mz-NiNEk1FdClmomMryDXhGdYLjETnGcSa2u10oJJzgSLsVotxUpklmdLmjFFCNPAudWMDpL7vu_Gt3Gn0FVrF7Spa9WYdhsqzAUmAghARG__oZ_t1kcLkQIKmOAs21N5T2nfhuCNrTberZXfRajay69-5Vd7-VUvv-rlx9K7wwAVtKqtV4124VhPKAWZUx65m55zxphjmjEqBQH6A4JUiw0</recordid><startdate>20101001</startdate><enddate>20101001</enddate><creator>Zheng, Jing</creator><creator>Wang, Zulin</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20101001</creationdate><title>ICI Analysis for FRFT-OFDM Systems to Frequency Offset in Time-Frequency Selective Fading Channels</title><author>Zheng, Jing ; Wang, Zulin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c370t-c5746d08c26419b15766491cffcac7596575491adb7d74f64b345a225c066fc53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>carrier frequency offset</topic><topic>Channels</topic><topic>Computational efficiency</topic><topic>Discrete Fourier transforms</topic><topic>Doppler effect</topic><topic>Exact sciences and technology</topic><topic>Fading</topic><topic>Fourier transforms</topic><topic>FRFT</topic><topic>ICI</topic><topic>Information, signal and communications theory</topic><topic>Interference</topic><topic>Inverse</topic><topic>Multiplexing</topic><topic>OFDM</topic><topic>Offsets</topic><topic>Optimization</topic><topic>Orthogonal Frequency Division Multiplexing</topic><topic>Sampling methods</topic><topic>Selective fading</topic><topic>Signal analysis</topic><topic>Signal and communications theory</topic><topic>Spreads</topic><topic>Systems, networks and services of telecommunications</topic><topic>Telecommunications</topic><topic>Telecommunications and information theory</topic><topic>Time frequency analysis</topic><topic>time-frequency selective fading</topic><topic>Transmission and modulation (techniques and equipments)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zheng, Jing</creatorcontrib><creatorcontrib>Wang, Zulin</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998–Present</collection><collection>IEEE Xplore</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE communications letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Zheng, Jing</au><au>Wang, Zulin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>ICI Analysis for FRFT-OFDM Systems to Frequency Offset in Time-Frequency Selective Fading Channels</atitle><jtitle>IEEE communications letters</jtitle><stitle>COML</stitle><date>2010-10-01</date><risdate>2010</risdate><volume>14</volume><issue>10</issue><spage>888</spage><epage>890</epage><pages>888-890</pages><issn>1089-7798</issn><eissn>1558-2558</eissn><coden>ICLEF6</coden><abstract>This letter presents the effects of frequency offset to orthogonal frequency division multiplexing systems based on fractional Fourier transform (FRFT-OFDM) in time-frequency selective fading channels. FRFT-OFDM systems generalize the OFDM systems based on discrete Fourier transform by the deployment of FRFT. The expressions of signal-to-interference ratio (SIR) due to ICI are derived in different fading channels. In a flat channel, the performances of both systems are the same. In a frequency selective channel, the FRFT-OFDM systems have superior SIR performances by choosing the optimal fractional factor, when Doppler spread is comparable to the inverse of the symbol duration or carrier offset exists in the system.</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/LCOMM.2010.072910.100562</doi><tpages>3</tpages></addata></record> |
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| subjects | Applied sciences carrier frequency offset Channels Computational efficiency Discrete Fourier transforms Doppler effect Exact sciences and technology Fading Fourier transforms FRFT ICI Information, signal and communications theory Interference Inverse Multiplexing OFDM Offsets Optimization Orthogonal Frequency Division Multiplexing Sampling methods Selective fading Signal analysis Signal and communications theory Spreads Systems, networks and services of telecommunications Telecommunications Telecommunications and information theory Time frequency analysis time-frequency selective fading Transmission and modulation (techniques and equipments) |
| title | ICI Analysis for FRFT-OFDM Systems to Frequency Offset in Time-Frequency Selective Fading Channels |
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