{"id":"https://openalex.org/W2033370145","doi":"https://doi.org/10.1109/iscc.2012.6249396","title":"Trellis-coded-modulation-OFDMA for spectrum sharing in cognitive environment","display_name":"Trellis-coded-modulation-OFDMA for spectrum sharing in cognitive environment","publication_year":2012,"publication_date":"2012-07-01","ids":{"openalex":"https://openalex.org/W2033370145","doi":"https://doi.org/10.1109/iscc.2012.6249396","mag":"2033370145"},"language":"en","primary_location":{"id":"doi:10.1109/iscc.2012.6249396","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscc.2012.6249396","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Symposium on Computers and Communications (ISCC)","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/A5090238254","display_name":"Nader Mokari","orcid":"https://orcid.org/0000-0001-5364-8888"},"institutions":[{"id":"https://openalex.org/I1516879","display_name":"Tarbiat Modares University","ror":"https://ror.org/03mwgfy56","country_code":"IR","type":"education","lineage":["https://openalex.org/I1516879"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Nader Mokari","raw_affiliation_strings":["Department of ECE, Tarbiat Modares University, Tehran, Iran","Department of ECE, Tarbiat Modares University, Tehran, Iran#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of ECE, Tarbiat Modares University, Tehran, Iran","institution_ids":["https://openalex.org/I1516879"]},{"raw_affiliation_string":"Department of ECE, Tarbiat Modares University, Tehran, Iran#TAB#","institution_ids":["https://openalex.org/I1516879"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022880485","display_name":"Keivan Navaie","orcid":"https://orcid.org/0000-0002-4399-6472"},"institutions":[{"id":"https://openalex.org/I130828816","display_name":"University of Leeds","ror":"https://ror.org/024mrxd33","country_code":"GB","type":"education","lineage":["https://openalex.org/I130828816"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Keivan Navaie","raw_affiliation_strings":["School of Electronic & Electrical Eng., University of Leeds, Leeds, UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electronic & Electrical Eng., University of Leeds, Leeds, UK","institution_ids":["https://openalex.org/I130828816"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030979044","display_name":"Hamid Saeedi","orcid":"https://orcid.org/0000-0003-2706-228X"},"institutions":[{"id":"https://openalex.org/I1516879","display_name":"Tarbiat Modares University","ror":"https://ror.org/03mwgfy56","country_code":"IR","type":"education","lineage":["https://openalex.org/I1516879"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Hamid Saeedi","raw_affiliation_strings":["Department of ECE, Tarbiat Modares University, Tehran, Iran","Department of ECE, Tarbiat Modares University, Tehran, Iran#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of ECE, Tarbiat Modares University, Tehran, Iran","institution_ids":["https://openalex.org/I1516879"]},{"raw_affiliation_string":"Department of ECE, Tarbiat Modares University, Tehran, Iran#TAB#","institution_ids":["https://openalex.org/I1516879"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"000790","last_page":"000794"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9998000264167786,"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":0.9991999864578247,"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/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.7754020690917969},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.7362035512924194},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7120845913887024},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6579163074493408},{"id":"https://openalex.org/keywords/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.6517252922058105},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6313321590423584},{"id":"https://openalex.org/keywords/trellis","display_name":"Trellis (graph)","score":0.6040349006652832},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5684820413589478},{"id":"https://openalex.org/keywords/trellis-modulation","display_name":"Trellis modulation","score":0.5180380940437317},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.49276235699653625},{"id":"https://openalex.org/keywords/underlay","display_name":"Underlay","score":0.47755202651023865},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4387560784816742},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.4225388467311859},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.33537042140960693},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.318736732006073},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.28545522689819336},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.25161558389663696},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2411452829837799},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.15573614835739136},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.1330786943435669},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11576560139656067},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.09197190403938293}],"concepts":[{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.7754020690917969},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.7362035512924194},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7120845913887024},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6579163074493408},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.6517252922058105},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6313321590423584},{"id":"https://openalex.org/C2781235587","wikidata":"https://www.wikidata.org/wiki/Q7838009","display_name":"Trellis (graph)","level":3,"score":0.6040349006652832},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5684820413589478},{"id":"https://openalex.org/C197712280","wikidata":"https://www.wikidata.org/wiki/Q557200","display_name":"Trellis modulation","level":4,"score":0.5180380940437317},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.49276235699653625},{"id":"https://openalex.org/C2777679929","wikidata":"https://www.wikidata.org/wiki/Q7883709","display_name":"Underlay","level":3,"score":0.47755202651023865},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4387560784816742},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.4225388467311859},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.33537042140960693},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.318736732006073},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.28545522689819336},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.25161558389663696},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2411452829837799},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.15573614835739136},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.1330786943435669},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11576560139656067},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.09197190403938293},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C107038049","wikidata":"https://www.wikidata.org/wiki/Q35986","display_name":"Aesthetics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/iscc.2012.6249396","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iscc.2012.6249396","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Symposium on Computers and Communications (ISCC)","raw_type":"proceedings-article"},{"id":"pmh:oai:eprints.lancs.ac.uk:72654","is_oa":false,"landing_page_url":"https://eprints.lancs.ac.uk/id/eprint/72654/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401916","display_name":"Lancaster EPrints (Lancaster University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I67415387","host_organization_name":"Lancaster University","host_organization_lineage":["https://openalex.org/I67415387"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Contribution in Book/Report/Proceedings"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W595252221","https://openalex.org/W1985823567","https://openalex.org/W2058944609","https://openalex.org/W2063773941","https://openalex.org/W2071707134","https://openalex.org/W2106749358","https://openalex.org/W2108789935","https://openalex.org/W2114935574","https://openalex.org/W2118019594","https://openalex.org/W2120676604","https://openalex.org/W2123081665","https://openalex.org/W2128780204","https://openalex.org/W2129380197","https://openalex.org/W2136493079","https://openalex.org/W2146461054","https://openalex.org/W2147246588","https://openalex.org/W2147658472","https://openalex.org/W2161272050","https://openalex.org/W2165205968","https://openalex.org/W2165376755","https://openalex.org/W2470673548","https://openalex.org/W2610335499","https://openalex.org/W3098183424","https://openalex.org/W4234572373","https://openalex.org/W4243079849"],"related_works":["https://openalex.org/W2152410978","https://openalex.org/W1578638483","https://openalex.org/W2025189274","https://openalex.org/W1781896427","https://openalex.org/W2757495821","https://openalex.org/W2164710988","https://openalex.org/W2160771105","https://openalex.org/W2092365485","https://openalex.org/W1585503616","https://openalex.org/W2004574319"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,48],"consider":[4],"an":[5],"underlay":[6],"spectrum":[7],"sharing":[8],"system":[9,67],"and":[10],"propose":[11],"utilizing":[12,94],"discrete":[13],"rate":[14,54],"Trellis":[15],"Coded":[16],"Modulation":[17],"Orthogonal":[18],"Frequency":[19],"Division":[20],"Multiple":[21],"Access":[22],"(TCM-OFDMA)":[23],"technique":[24],"in":[25,66,74],"the":[26,45,52,77,88],"secondary":[27,78],"system.":[28,39],"Downlink":[29],"radio":[30],"resource":[31],"allocation":[32],"schemes":[33,60],"are":[34],"then":[35],"proposed":[36,46],"for":[37],"such":[38],"Simulation":[40],"results":[41],"indicate":[42],"that":[43,73],"using":[44],"scheme,":[47],"can":[49],"significantly":[50],"increase":[51,65],"sum":[53],"compared":[55],"to":[56,82],"conventional":[57],"uncoded":[58],"OFDMA":[59],"with":[61],"only":[62],"a":[63,98],"moderate":[64],"complexity.":[68],"It":[69],"is":[70,80],"also":[71],"shown":[72],"cases":[75],"where":[76],"network":[79],"unable":[81],"achieve":[83],"higher":[84],"rates":[85],"by":[86],"increasing":[87],"total":[89],"power":[90],"and/or":[91],"interference":[92],"threshold,":[93],"TCM-OFDMA":[95],"acts":[96],"as":[97],"smart":[99],"alternative.":[100]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}