{"id":"https://openalex.org/W2084362164","doi":"https://doi.org/10.2298/csis120303051j","title":"Orthogonal sequences based multi-CFO estimation and semi-blind ICA based equalization for multiuser comp systems","display_name":"Orthogonal sequences based multi-CFO estimation and semi-blind ICA based equalization for multiuser comp systems","publication_year":2012,"publication_date":"2012-01-01","ids":{"openalex":"https://openalex.org/W2084362164","doi":"https://doi.org/10.2298/csis120303051j","mag":"2084362164"},"language":"en","primary_location":{"id":"doi:10.2298/csis120303051j","is_oa":true,"landing_page_url":"https://doi.org/10.2298/csis120303051j","pdf_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1820-02141200051J","source":{"id":"https://openalex.org/S206939107","display_name":"Computer Science and Information Systems","issn_l":"1820-0214","issn":["1820-0214","2406-1018"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310321031","host_organization_name":"ComSIS Consortium","host_organization_lineage":["https://openalex.org/P4310321031"],"host_organization_lineage_names":["ComSIS Consortium"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Science and Information Systems","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"diamond","oa_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1820-02141200051J","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5071060953","display_name":"Yufei Jiang","orcid":"https://orcid.org/0000-0003-0523-8117"},"institutions":[{"id":"https://openalex.org/I146655781","display_name":"University of Liverpool","ror":"https://ror.org/04xs57h96","country_code":"GB","type":"education","lineage":["https://openalex.org/I146655781"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Yufei Jiang","raw_affiliation_strings":["Dept. of Electrical Engineering and Electronics, the University of Liverpool, L GJ Brownlow Hill, Liverpool, U.K. + Dept. of Electrical and Electronic Engineering, Xi\u2019an Jiao Tong Liverpool University, Suzhou, China"],"affiliations":[{"raw_affiliation_string":"Dept. of Electrical Engineering and Electronics, the University of Liverpool, L GJ Brownlow Hill, Liverpool, U.K. + Dept. of Electrical and Electronic Engineering, Xi\u2019an Jiao Tong Liverpool University, Suzhou, China","institution_ids":["https://openalex.org/I146655781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064534354","display_name":"Xu Zhu","orcid":"https://orcid.org/0000-0003-1287-1623"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Zhu Xu","raw_affiliation_strings":["Dept. of Electrical Engineering and Electronics, the University of Liverpool, L GJ Brownlow Hill, Liverpool, U.K"],"affiliations":[{"raw_affiliation_string":"Dept. of Electrical Engineering and Electronics, the University of Liverpool, L GJ Brownlow Hill, Liverpool, U.K","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033755146","display_name":"Eng Gee Lim","orcid":"https://orcid.org/0000-0003-0199-7386"},"institutions":[{"id":"https://openalex.org/I69356397","display_name":"Xi\u2019an Jiaotong-Liverpool University","ror":"https://ror.org/03zmrmn05","country_code":"CN","type":"education","lineage":["https://openalex.org/I69356397"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Enggee Lim","raw_affiliation_strings":["Dept. of Electrical and Electronic Engineering, Xi\u2019an Jiao Tong Liverpool University, Suzhou, China"],"affiliations":[{"raw_affiliation_string":"Dept. of Electrical and Electronic Engineering, Xi\u2019an Jiao Tong Liverpool University, Suzhou, China","institution_ids":["https://openalex.org/I69356397"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100741261","display_name":"Yi Huang","orcid":"https://orcid.org/0000-0001-7774-1024"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Huang Yi","raw_affiliation_strings":["Dept. of Electrical Engineering and Electronics, the University of Liverpool, L GJ Brownlow Hill, Liverpool, U.K"],"affiliations":[{"raw_affiliation_string":"Dept. of Electrical Engineering and Electronics, the University of Liverpool, L GJ Brownlow Hill, Liverpool, U.K","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5071060953"],"corresponding_institution_ids":["https://openalex.org/I146655781"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":2,"citation_normalized_percentile":{"value":0.16128825,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":"9","issue":"4","first_page":"1385","last_page":"1406"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":1.0,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9977999925613403,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/carrier-frequency-offset","display_name":"Carrier frequency offset","score":0.8190926313400269},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7097890377044678},{"id":"https://openalex.org/keywords/independent-component-analysis","display_name":"Independent component analysis","score":0.5939807891845703},{"id":"https://openalex.org/keywords/minimum-mean-square-error","display_name":"Minimum mean square error","score":0.5846074819564819},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.574872612953186},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.544137179851532},{"id":"https://openalex.org/keywords/equalization","display_name":"Equalization (audio)","score":0.5365773439407349},{"id":"https://openalex.org/keywords/blind-signal-separation","display_name":"Blind signal separation","score":0.5210939645767212},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.46173322200775146},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.457131028175354},{"id":"https://openalex.org/keywords/qam","display_name":"QAM","score":0.4392145276069641},{"id":"https://openalex.org/keywords/blind-equalization","display_name":"Blind equalization","score":0.4186658263206482},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.4065423607826233},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.336497962474823},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.30165088176727295},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2656882405281067},{"id":"https://openalex.org/keywords/frequency-offset","display_name":"Frequency offset","score":0.23185497522354126},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.21218231320381165},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1879613995552063},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.1796811819076538},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.10112622380256653}],"concepts":[{"id":"https://openalex.org/C2776108382","wikidata":"https://www.wikidata.org/wiki/Q25111451","display_name":"Carrier frequency offset","level":5,"score":0.8190926313400269},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7097890377044678},{"id":"https://openalex.org/C51432778","wikidata":"https://www.wikidata.org/wiki/Q1259145","display_name":"Independent component analysis","level":2,"score":0.5939807891845703},{"id":"https://openalex.org/C90652560","wikidata":"https://www.wikidata.org/wiki/Q11091747","display_name":"Minimum mean square error","level":3,"score":0.5846074819564819},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.574872612953186},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.544137179851532},{"id":"https://openalex.org/C75755367","wikidata":"https://www.wikidata.org/wiki/Q104531076","display_name":"Equalization (audio)","level":3,"score":0.5365773439407349},{"id":"https://openalex.org/C120317606","wikidata":"https://www.wikidata.org/wiki/Q17105967","display_name":"Blind signal separation","level":3,"score":0.5210939645767212},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.46173322200775146},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.457131028175354},{"id":"https://openalex.org/C59030546","wikidata":"https://www.wikidata.org/wiki/Q7265371","display_name":"QAM","level":5,"score":0.4392145276069641},{"id":"https://openalex.org/C41425797","wikidata":"https://www.wikidata.org/wiki/Q4926640","display_name":"Blind equalization","level":4,"score":0.4186658263206482},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.4065423607826233},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.336497962474823},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.30165088176727295},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2656882405281067},{"id":"https://openalex.org/C49319798","wikidata":"https://www.wikidata.org/wiki/Q5502874","display_name":"Frequency offset","level":4,"score":0.23185497522354126},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.21218231320381165},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1879613995552063},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.1796811819076538},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.10112622380256653}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.2298/csis120303051j","is_oa":true,"landing_page_url":"https://doi.org/10.2298/csis120303051j","pdf_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1820-02141200051J","source":{"id":"https://openalex.org/S206939107","display_name":"Computer Science and Information Systems","issn_l":"1820-0214","issn":["1820-0214","2406-1018"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310321031","host_organization_name":"ComSIS Consortium","host_organization_lineage":["https://openalex.org/P4310321031"],"host_organization_lineage_names":["ComSIS Consortium"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Science and Information Systems","raw_type":"journal-article"},{"id":"pmh:oai:doiserbia:1820-02141200051J","is_oa":false,"landing_page_url":"http://doi.org/10.2298/CSIS120303051J","pdf_url":null,"source":{"id":"https://openalex.org/S4306400515","display_name":"Digital Object Identifier (DOI) Repository Serbia (National Library of Serbia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210142455","host_organization_name":"National Library of Serbia","host_organization_lineage":["https://openalex.org/I4210142455"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":". 9(4) 1385-1406"}],"best_oa_location":{"id":"doi:10.2298/csis120303051j","is_oa":true,"landing_page_url":"https://doi.org/10.2298/csis120303051j","pdf_url":"http://www.doiserbia.nb.rs/ft.aspx?id=1820-02141200051J","source":{"id":"https://openalex.org/S206939107","display_name":"Computer Science and Information Systems","issn_l":"1820-0214","issn":["1820-0214","2406-1018"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310321031","host_organization_name":"ComSIS Consortium","host_organization_lineage":["https://openalex.org/P4310321031"],"host_organization_lineage_names":["ComSIS Consortium"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Computer Science and Information Systems","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2084362164.pdf","grobid_xml":"https://content.openalex.org/works/W2084362164.grobid-xml"},"referenced_works_count":38,"referenced_works":["https://openalex.org/W191494004","https://openalex.org/W595252221","https://openalex.org/W953415937","https://openalex.org/W1548802052","https://openalex.org/W1557486844","https://openalex.org/W1579185527","https://openalex.org/W2016678844","https://openalex.org/W2067706758","https://openalex.org/W2082500899","https://openalex.org/W2085973258","https://openalex.org/W2104719891","https://openalex.org/W2108094095","https://openalex.org/W2114310153","https://openalex.org/W2131389562","https://openalex.org/W2135202936","https://openalex.org/W2139524951","https://openalex.org/W2141229186","https://openalex.org/W2141591025","https://openalex.org/W2143561672","https://openalex.org/W2145040706","https://openalex.org/W2148518534","https://openalex.org/W2152981465","https://openalex.org/W2160389555","https://openalex.org/W2163881395","https://openalex.org/W2164934616","https://openalex.org/W2165245616","https://openalex.org/W2166544578","https://openalex.org/W2167217202","https://openalex.org/W2167568231","https://openalex.org/W2168606296","https://openalex.org/W2169100160","https://openalex.org/W2534667546","https://openalex.org/W2599014521","https://openalex.org/W2610335499","https://openalex.org/W3162160565","https://openalex.org/W4232230817","https://openalex.org/W4299591089","https://openalex.org/W4309233739"],"related_works":["https://openalex.org/W2342458757","https://openalex.org/W2095891242","https://openalex.org/W3145485781","https://openalex.org/W2151836467","https://openalex.org/W2616262661","https://openalex.org/W2138076692","https://openalex.org/W2151541251","https://openalex.org/W2382877670","https://openalex.org/W151461760","https://openalex.org/W2084362164"],"abstract_inverted_index":{"We":[0],"propose":[1],"a":[2,53,64,89,121],"low-complexity":[3,60],"carrier":[4],"frequency":[5,23],"offset":[6],"(CFO)":[7],"estimation":[8,45,167],"approach":[9],"and":[10,43,95,137,151,154],"an":[11],"independent":[12],"component":[13],"analysis":[14],"(ICA)":[15],"based":[16,27,143,165],"semi-blind":[17,117],"equalization":[18,118,144],"structure":[19,119],"for":[20],"the":[21,72,79,83,93,106,115,129,133,158],"orthogonal":[22,36],"division":[24],"multiplexing":[25],"(OFDM)":[26],"multiuser":[28],"coordinated":[29],"multi-point":[30],"(CoMP)":[31],"systems.":[32],"A":[33],"group":[34],"of":[35,46,59,67,132],"sequences":[37,164],"are":[38,75],"employed":[39],"to":[40,71,77,128],"enable":[41],"separation":[42],"simultaneous":[44],"multiple":[47],"CFOs":[48],"at":[49],"base":[50],"stations,":[51],"dividing":[52],"complex":[54],"multi-dimensional":[55],"search":[56],"into":[57],"series":[58],"mono-dimensional":[61],"searches.":[62],"Then,":[63],"small":[65],"number":[66],"pilot":[68],"symbols":[69],"attached":[70],"source":[73],"data,":[74],"used":[76],"resolve":[78],"ambiguity":[80,97],"problem":[81],"in":[82],"ICA":[84],"equalized":[85],"signals.":[86],"It":[87],"has":[88,120],"low":[90],"complexity,":[91],"as":[92],"permutation":[94],"quadrature":[96],"can":[98],"be":[99],"eliminated":[100],"simultaneously,":[101],"rather":[102],"than":[103],"sequentially":[104],"by":[105],"previous":[107],"precoding":[108],"aided":[109],"method.":[110,168],"Simulation":[111],"results":[112],"show":[113],"that":[114],"proposed":[116],"bit":[122],"error":[123,141],"rate":[124],"(BER)":[125],"performance":[126],"close":[127],"ideal":[130],"cases":[131],"zero":[134,161],"forcing":[135],"(ZF)":[136],"minimum":[138],"mean":[139],"square":[140],"(MMSE)":[142],"with":[145],"perfect":[146],"channel":[147],"state":[148],"information":[149],"(CSI)":[150],"no":[152],"CFO,":[153],"also":[155],"significantly":[156],"outperforms":[157],"constant":[159],"amplitude":[160],"autocorrelation":[162],"(CAZAC)":[163],"CFO":[166]},"counts_by_year":[{"year":2018,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}