{"id":"https://openalex.org/W2088792588","doi":"https://doi.org/10.1109/glocom.2013.6831214","title":"Hybrid overlay/underlay MC-CDMA for cognitive radio networks with MMSE channel equalization","display_name":"Hybrid overlay/underlay MC-CDMA for cognitive radio networks with MMSE channel equalization","publication_year":2013,"publication_date":"2013-12-01","ids":{"openalex":"https://openalex.org/W2088792588","doi":"https://doi.org/10.1109/glocom.2013.6831214","mag":"2088792588"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2013.6831214","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2013.6831214","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062362274","display_name":"Fahimeh Jasbi","orcid":null},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Fahimeh Jasbi","raw_affiliation_strings":["School of Electrical and Electronic Engineering, University of Manchester, United Kingdom","School of Electrical and Electronic Engineering, University of Manchester,,,,,United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University of Manchester, United Kingdom","institution_ids":["https://openalex.org/I28407311"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University of Manchester,,,,,United Kingdom","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036412443","display_name":"Daniel K. C. So","orcid":"https://orcid.org/0000-0002-7642-1755"},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Daniel K. C. So","raw_affiliation_strings":["School of Electrical and Electronic Engineering, University of Manchester, United Kingdom","School of Electrical and Electronic Engineering, University of Manchester,,,,,United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University of Manchester, United Kingdom","institution_ids":["https://openalex.org/I28407311"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University of Manchester,,,,,United Kingdom","institution_ids":["https://openalex.org/I28407311"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5002248410","display_name":"Emad Alsusa","orcid":"https://orcid.org/0000-0002-7724-2636"},"institutions":[{"id":"https://openalex.org/I28407311","display_name":"University of Manchester","ror":"https://ror.org/027m9bs27","country_code":"GB","type":"education","lineage":["https://openalex.org/I28407311"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Emad Alsusa","raw_affiliation_strings":["School of Electrical and Electronic Engineering, University of Manchester, United Kingdom","School of Electrical and Electronic Engineering, University of Manchester,,,,,United Kingdom"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University of Manchester, United Kingdom","institution_ids":["https://openalex.org/I28407311"]},{"raw_affiliation_string":"School of Electrical and Electronic Engineering, University of Manchester,,,,,United Kingdom","institution_ids":["https://openalex.org/I28407311"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I28407311"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1056","last_page":"1061"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998999834060669,"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"}},{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9994000196456909,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/underlay","display_name":"Underlay","score":0.9578925967216492},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7184321880340576},{"id":"https://openalex.org/keywords/overlay","display_name":"Overlay","score":0.7040470838546753},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.6196650266647339},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5986618995666504},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5147368907928467},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5046716928482056},{"id":"https://openalex.org/keywords/equalization","display_name":"Equalization (audio)","score":0.46760669350624084},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4404144883155823},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.42048850655555725},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.28116440773010254},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2703395187854767},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.24477532505989075},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19067883491516113}],"concepts":[{"id":"https://openalex.org/C2777679929","wikidata":"https://www.wikidata.org/wiki/Q7883709","display_name":"Underlay","level":3,"score":0.9578925967216492},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7184321880340576},{"id":"https://openalex.org/C136085584","wikidata":"https://www.wikidata.org/wiki/Q910289","display_name":"Overlay","level":2,"score":0.7040470838546753},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.6196650266647339},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5986618995666504},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5147368907928467},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5046716928482056},{"id":"https://openalex.org/C75755367","wikidata":"https://www.wikidata.org/wiki/Q104531076","display_name":"Equalization (audio)","level":3,"score":0.46760669350624084},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4404144883155823},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.42048850655555725},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.28116440773010254},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2703395187854767},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.24477532505989075},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19067883491516113},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/glocom.2013.6831214","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2013.6831214","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2013 IEEE Global Communications Conference (GLOBECOM)","raw_type":"proceedings-article"},{"id":"pmh:oai:pure.atira.dk:openaire_cris_publications/bd736fe8-4fe6-44f7-bc32-032a44c4d4b2","is_oa":false,"landing_page_url":"https://research.manchester.ac.uk/en/publications/bd736fe8-4fe6-44f7-bc32-032a44c4d4b2","pdf_url":null,"source":{"id":"https://openalex.org/S4306400662","display_name":"Research Explorer (The University of Manchester)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I28407311","host_organization_name":"University of Manchester","host_organization_lineage":["https://openalex.org/I28407311"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Jasbi, F, So, D K C & Alsusa, E 2013, Hybrid overlay/underlay MC-CDMA for cognitive radio networks with MMSE channel equalization. in GLOBECOM - IEEE Global Telecommunications Conference|GLOBECOM IEEE Global Telecommun. Conf.. IEEE, pp. 1056-1061, 2013 IEEE Global Communications Conference, GLOBECOM 2013, Atlanta, GA, 1/07/13. https://doi.org/10.1109/GLOCOM.2013.6831214","raw_type":"info:eu-repo/semantics/conferenceObject"},{"id":"pmh:oai:pure.atira.dk:publications/bd736fe8-4fe6-44f7-bc32-032a44c4d4b2","is_oa":false,"landing_page_url":"https://www.research.manchester.ac.uk/portal/en/publications/hybrid-overlayunderlay-mccdma-for-cognitive-radio-networks-with-mmse-channel-equalization(bd736fe8-4fe6-44f7-bc32-032a44c4d4b2).html","pdf_url":null,"source":{"id":"https://openalex.org/S4306400662","display_name":"Research Explorer (The University of Manchester)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I28407311","host_organization_name":"University of Manchester","host_organization_lineage":["https://openalex.org/I28407311"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Jasbi, F, So, D K C & Alsusa, E 2013, Hybrid overlay/underlay MC-CDMA for cognitive radio networks with MMSE channel equalization. in GLOBECOM - IEEE Global Telecommunications Conference|GLOBECOM IEEE Global Telecommun. Conf.. IEEE, pp. 1056-1061, 2013 IEEE Global Communications Conference, GLOBECOM 2013, Atlanta, GA, 1/07/13. https://doi.org/10.1109/GLOCOM.2013.6831214","raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4099999964237213,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W595252221","https://openalex.org/W1974851369","https://openalex.org/W1982637280","https://openalex.org/W2005148783","https://openalex.org/W2033906033","https://openalex.org/W2071707134","https://openalex.org/W2079194270","https://openalex.org/W2101840010","https://openalex.org/W2107212345","https://openalex.org/W2113303683","https://openalex.org/W2132517837","https://openalex.org/W2138582595","https://openalex.org/W2144369278","https://openalex.org/W2145452118","https://openalex.org/W2152707865"],"related_works":["https://openalex.org/W4255303560","https://openalex.org/W2470213802","https://openalex.org/W2769590643","https://openalex.org/W2921979903","https://openalex.org/W2169642774","https://openalex.org/W2532161418","https://openalex.org/W2556201531","https://openalex.org/W1597460884","https://openalex.org/W2059212413","https://openalex.org/W1545691658"],"abstract_inverted_index":{"Cognitive":[0],"Radio":[1],"(CR)":[2],"aims":[3],"to":[4,89,117],"access":[5,12],"the":[6,20,23,29,35,42,46,76,85,90,97,100,111,118,137,140,144,157],"spectrum":[7,21,36,59,78,112],"opportunistically":[8],"mainly":[9],"by":[10,50,120],"two":[11],"strategies,":[13],"overlay":[14,109],"and":[15,54,104,128,139,161],"underlay.":[16],"Overlay":[17],"can":[18,33,60,95],"utilize":[19,34],"whenever":[22],"primary":[24,47],"system":[25,73,138,145],"is":[26,146],"off.":[27],"On":[28],"other":[30],"hand,":[31],"underlay":[32,80,119,141],"at":[37],"any":[38],"time":[39],"with":[40,156],"considering":[41],"interference":[43,91,98],"limit":[44],"of":[45,143],"system.":[48],"However,":[49],"using":[51],"hybrid":[52,71],"methods":[53],"performing":[55],"proper":[56],"equalization":[57],"technique,":[58],"be":[61],"utilized":[62],"more":[63,106],"efficiently.":[64],"In":[65],"this":[66],"paper,":[67],"we":[68],"propose":[69],"a":[70],"MC-CDMA":[72,94],"which":[74],"utilizes":[75,110],"whole":[77],"for":[79,136,162],"transmission":[81],"rather":[82],"than":[83],"solely":[84],"occupied":[86],"parts.":[87],"Due":[88],"rejection":[92],"capability,":[93],"minimize":[96],"from":[99],"Primary":[101],"User":[102],"(PU)":[103],"exploit":[105],"diversity.":[107],"Furthermore,":[108],"holes":[113],"while":[114],"maintaining":[115],"orthogonality":[116],"Orthogonal":[121],"Variable":[122],"Spreading":[123],"Factor":[124],"(OVSF)":[125],"codes.":[126],"Chip":[127],"symbol-":[129],"level":[130],"MMSE-based":[131],"modified":[132,158],"equalizers":[133,160],"are":[134],"proposed":[135],"performance":[142,153],"evaluated.":[147],"Simulation":[148],"results":[149],"show":[150],"that":[151],"BER":[152],"improves":[154],"significantly":[155],"MMSE":[159],"all":[163],"PU":[164],"occupancy":[165],"levels.":[166]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2018,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}
