{"id":"https://openalex.org/W3187576087","doi":"https://doi.org/10.1109/iwcmc51323.2021.9498748","title":"SCMA-OFDM Codebook Design based on IRM","display_name":"SCMA-OFDM Codebook Design based on IRM","publication_year":2021,"publication_date":"2021-06-28","ids":{"openalex":"https://openalex.org/W3187576087","doi":"https://doi.org/10.1109/iwcmc51323.2021.9498748","mag":"3187576087"},"language":"en","primary_location":{"id":"doi:10.1109/iwcmc51323.2021.9498748","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwcmc51323.2021.9498748","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 International Wireless Communications and Mobile Computing (IWCMC)","raw_type":"proceedings-article"},"type":"article","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/A5066751876","display_name":"Tuofeng Lei","orcid":"https://orcid.org/0000-0002-8199-8276"},"institutions":[{"id":"https://openalex.org/I4210148107","display_name":"Space Engineering University","ror":"https://ror.org/04rj1td02","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210148107"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"TuoFeng Lei","raw_affiliation_strings":["Graduate School, (Space Engineering University), Beijing, China"],"affiliations":[{"raw_affiliation_string":"Graduate School, (Space Engineering University), Beijing, China","institution_ids":["https://openalex.org/I4210148107"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004260584","display_name":"Shuyan Ni","orcid":"https://orcid.org/0000-0003-2278-4005"},"institutions":[{"id":"https://openalex.org/I4210148107","display_name":"Space Engineering University","ror":"https://ror.org/04rj1td02","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210148107"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ni ShuYan","raw_affiliation_strings":["Electronic and Optical Engineering, (Space Engineering University), Beijing, China"],"affiliations":[{"raw_affiliation_string":"Electronic and Optical Engineering, (Space Engineering University), Beijing, China","institution_ids":["https://openalex.org/I4210148107"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5066170800","display_name":"Naiping Cheng","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148107","display_name":"Space Engineering University","ror":"https://ror.org/04rj1td02","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210148107"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"NaiPing Cheng","raw_affiliation_strings":["Electronic and Optical Engineering, (Space Engineering University), Beijing, China"],"affiliations":[{"raw_affiliation_string":"Electronic and Optical Engineering, (Space Engineering University), Beijing, China","institution_ids":["https://openalex.org/I4210148107"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023096486","display_name":"AiDi Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148107","display_name":"Space Engineering University","ror":"https://ror.org/04rj1td02","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210148107"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"AiDi Zhang","raw_affiliation_strings":["Graduate School, (Space Engineering University), Beijing, China"],"affiliations":[{"raw_affiliation_string":"Graduate School, (Space Engineering University), Beijing, China","institution_ids":["https://openalex.org/I4210148107"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069281939","display_name":"Xin Song","orcid":"https://orcid.org/0000-0002-5466-0595"},"institutions":[{"id":"https://openalex.org/I4210148107","display_name":"Space Engineering University","ror":"https://ror.org/04rj1td02","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210148107"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xin Song","raw_affiliation_strings":["Graduate School, (Space Engineering University), Beijing, China"],"affiliations":[{"raw_affiliation_string":"Graduate School, (Space Engineering University), Beijing, China","institution_ids":["https://openalex.org/I4210148107"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049699214","display_name":"Dashuang Yan","orcid":null},"institutions":[{"id":"https://openalex.org/I4210148107","display_name":"Space Engineering University","ror":"https://ror.org/04rj1td02","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210148107"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"DaShuang Yan","raw_affiliation_strings":["Graduate School, (Space Engineering University), Beijing, China"],"affiliations":[{"raw_affiliation_string":"Graduate School, (Space Engineering University), Beijing, China","institution_ids":["https://openalex.org/I4210148107"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5066751876"],"corresponding_institution_ids":["https://openalex.org/I4210148107"],"apc_list":null,"apc_paid":null,"fwci":0.3008,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.55857398,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":97},"biblio":{"volume":"53","issue":null,"first_page":"735","last_page":"739"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":1.0,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.9987000226974487,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.9984999895095825,"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/codebook","display_name":"Codebook","score":0.9737257361412048},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.8397208452224731},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6609190702438354},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.4858688712120056},{"id":"https://openalex.org/keywords/quadratic-programming","display_name":"Quadratic programming","score":0.45181918144226074},{"id":"https://openalex.org/keywords/rank","display_name":"Rank (graph theory)","score":0.4395342469215393},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.422041654586792},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.41957640647888184},{"id":"https://openalex.org/keywords/frequency-division-multiplexing","display_name":"Frequency-division multiplexing","score":0.41859734058380127},{"id":"https://openalex.org/keywords/quadratic-equation","display_name":"Quadratic equation","score":0.41745632886886597},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.25079846382141113},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2206181287765503},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12012782692909241}],"concepts":[{"id":"https://openalex.org/C127759330","wikidata":"https://www.wikidata.org/wiki/Q637416","display_name":"Codebook","level":2,"score":0.9737257361412048},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.8397208452224731},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6609190702438354},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.4858688712120056},{"id":"https://openalex.org/C81845259","wikidata":"https://www.wikidata.org/wiki/Q290117","display_name":"Quadratic programming","level":2,"score":0.45181918144226074},{"id":"https://openalex.org/C164226766","wikidata":"https://www.wikidata.org/wiki/Q7293202","display_name":"Rank (graph theory)","level":2,"score":0.4395342469215393},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.422041654586792},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.41957640647888184},{"id":"https://openalex.org/C89061704","wikidata":"https://www.wikidata.org/wiki/Q5555726","display_name":"Frequency-division multiplexing","level":4,"score":0.41859734058380127},{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.41745632886886597},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.25079846382141113},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2206181287765503},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12012782692909241},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iwcmc51323.2021.9498748","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iwcmc51323.2021.9498748","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 International Wireless Communications and Mobile Computing (IWCMC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5299999713897705,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W262820864","https://openalex.org/W2519654669","https://openalex.org/W2887860413","https://openalex.org/W3007836891","https://openalex.org/W4205533812"],"related_works":["https://openalex.org/W2410705835","https://openalex.org/W294051182","https://openalex.org/W2005662164","https://openalex.org/W2062880527","https://openalex.org/W2160172333","https://openalex.org/W4226230195","https://openalex.org/W1998182654","https://openalex.org/W4397000308","https://openalex.org/W2111628958","https://openalex.org/W2003701703"],"abstract_inverted_index":{"Sparse":[0],"code":[1],"division":[2,19],"multiple":[3],"access":[4],"(SCMA),":[5],"as":[6],"a":[7,29,34,73,111],"new":[8],"radio":[9],"technology":[10,22],"in":[11,44],"5G,":[12],"can":[13],"be":[14],"modulated":[15],"by":[16],"Orthogonal":[17],"frequency":[18,40],"multiplexing":[20],"(OFDM)":[21],"to":[23,51,62,84,99],"improve":[24],"the":[25,45,52,56,58,63,86,101,107,122,129],"link":[26],"quality":[27],"of":[28,47,54],"Single-user.":[30],"In":[31],"this":[32],"paper,":[33],"codebook":[35],"design":[36],"method":[37,96,124],"based":[38],"on":[39],"resources":[41],"is":[42,71,82,97],"proposed":[43,123],"case":[46],"Single-user":[48],"SCMA-OFDM.":[49],"Due":[50],"complexity":[53],"optimizing":[55],"codebook,":[57],"constellations":[59],"are":[60,119,132],"converted":[61],"real":[64],"domain":[65],"for":[66],"optimization.":[67],"The":[68],"problem,":[69,80],"however,":[70],"still":[72],"quadratic":[74,76],"constrained":[75],"programming":[77],"(QCQP)":[78],"optimization":[79],"which":[81,105],"hard":[83],"find":[85],"global":[87],"Optimal":[88],"solution,":[89],"so":[90],"an":[91],"iterative":[92],"rank":[93,102],"minimization":[94],"(IRM)":[95],"adopted":[98],"approach":[100],"one":[103],"constraint,":[104],"converts":[106],"QCQP":[108],"problem":[109,113],"into":[110],"convex":[112],"with":[114],"semi-definite":[115],"constraints.":[116],"Simulation":[117],"results":[118],"presented":[120],"using":[121],"and":[125,134],"codebooks":[126],"obtained":[127],"from":[128],"other":[130],"methods":[131],"provided":[133],"discussed.":[135]},"counts_by_year":[{"year":2022,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
