{"id":"https://openalex.org/W3127287346","doi":"https://doi.org/10.1109/lcomm.2021.3058142","title":"Reconfigurable intelligent surface-assisted uplink sparse code multiple access","display_name":"Reconfigurable intelligent surface-assisted uplink sparse code multiple access","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3127287346","doi":"https://doi.org/10.1109/lcomm.2021.3058142","mag":"3127287346"},"language":"en","primary_location":{"id":"pmh:oai:cdm21054.contentdm.oclc.org:IR/9679","is_oa":false,"landing_page_url":"https://doi.org/10.1109/LCOMM.2021.3058142 ","pdf_url":null,"source":{"id":"https://openalex.org/S4306401342","display_name":"Digital Collections portal (Ko\u00e7 University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1351752","host_organization_name":"Ko\u00e7 University","host_organization_lineage":["https://openalex.org/I1351752"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Communications Letters","raw_type":"Journal article"},"type":"article","indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.0476,"has_fulltext":false,"cited_by_count":37,"citation_normalized_percentile":{"value":0.91757423,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9778000116348267,"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/T12079","display_name":"IoT Networks and Protocols","score":0.9742000102996826,"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/computer-science","display_name":"Computer science","score":0.7961346507072449},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7947895526885986},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.7005202174186707},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5989489555358887},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.5956618189811707},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5879324674606323},{"id":"https://openalex.org/keywords/message-passing","display_name":"Message passing","score":0.5777466297149658},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5216643810272217},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.4863465428352356},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.46795761585235596},{"id":"https://openalex.org/keywords/computer-engineering","display_name":"Computer engineering","score":0.4392457902431488},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.43784040212631226},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3398391902446747},{"id":"https://openalex.org/keywords/parallel-computing","display_name":"Parallel computing","score":0.2973906397819519},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.27538543939590454},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.20340973138809204},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17896625399589539},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.08780848979949951}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7961346507072449},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7947895526885986},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.7005202174186707},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5989489555358887},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.5956618189811707},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5879324674606323},{"id":"https://openalex.org/C854659","wikidata":"https://www.wikidata.org/wiki/Q1859284","display_name":"Message passing","level":2,"score":0.5777466297149658},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5216643810272217},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.4863465428352356},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.46795761585235596},{"id":"https://openalex.org/C113775141","wikidata":"https://www.wikidata.org/wiki/Q428691","display_name":"Computer engineering","level":1,"score":0.4392457902431488},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.43784040212631226},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3398391902446747},{"id":"https://openalex.org/C173608175","wikidata":"https://www.wikidata.org/wiki/Q232661","display_name":"Parallel computing","level":1,"score":0.2973906397819519},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.27538543939590454},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.20340973138809204},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17896625399589539},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08780848979949951},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C177264268","wikidata":"https://www.wikidata.org/wiki/Q1514741","display_name":"Set (abstract data type)","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"pmh:oai:cdm21054.contentdm.oclc.org:IR/9679","is_oa":false,"landing_page_url":"https://doi.org/10.1109/LCOMM.2021.3058142 ","pdf_url":null,"source":{"id":"https://openalex.org/S4306401342","display_name":"Digital Collections portal (Ko\u00e7 University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1351752","host_organization_name":"Ko\u00e7 University","host_organization_lineage":["https://openalex.org/I1351752"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Communications Letters","raw_type":"Journal article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.46000000834465027,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320334593","display_name":"Natural Sciences and Engineering Research Council of Canada","ror":"https://ror.org/01h531d29"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2008104692","https://openalex.org/W2042519026","https://openalex.org/W2221113447","https://openalex.org/W2896032744","https://openalex.org/W2963336322","https://openalex.org/W2968810373","https://openalex.org/W2969072158","https://openalex.org/W3021587675","https://openalex.org/W3040349383","https://openalex.org/W3081215475","https://openalex.org/W3081462673","https://openalex.org/W3092562074","https://openalex.org/W3101450547","https://openalex.org/W3101473003"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W4300468626","https://openalex.org/W2601693592","https://openalex.org/W2553710680","https://openalex.org/W2792172447","https://openalex.org/W4224883704","https://openalex.org/W4290996306"],"abstract_inverted_index":{"Reconfigurable":[0],"intelligent":[1],"surface-empowered":[2],"communication":[3],"(RIS)":[4],"and":[5,65,90,104],"sparse":[6],"code":[7],"multiple":[8],"access":[9],"(SCMA)":[10],"are":[11,107],"promising":[12],"candidates":[13],"for":[14,38,45,77],"future":[15],"generations":[16],"of":[17,97],"wireless":[18],"networks.":[19],"The":[20,58],"former":[21],"enhances":[22],"the":[23,27,39,53,69,78,86,92,98,111],"transmission":[24],"environments,":[25],"whereas":[26],"latter":[28],"provides":[29],"a":[30,42,74],"high":[31],"spectral":[32],"efficiency":[33],"transmission.":[34],"This":[35],"letter":[36],"proposes,":[37],"first":[40],"time,":[41],"low-cost":[43],"design":[44],"RIS-assisted":[46],"uplink":[47],"SCMA":[48,55],"(SCMA-RIS)":[49],"scheme":[50,80],"to":[51,67,83],"improve":[52,91],"conventional":[54,99],"spectrum":[56],"efficiency.":[57],"message":[59],"passing":[60],"algorithm":[61],"(MPA)":[62],"is":[63,81],"utilized":[64],"modified":[66],"decode":[68],"SCMA-RIS":[70,79],"transmitted":[71],"signals.":[72],"Moreover,":[73],"low-complexity":[75],"decoder":[76],"proposed":[82],"significantly":[84],"reduce":[85],"MPA":[87],"decoding":[88],"complexity":[89,105],"bit":[93],"error":[94],"rate":[95],"performance":[96],"SCMA.":[100],"Monte":[101],"Carlo":[102],"simulations":[103],"analysis":[106],"presented,":[108],"which":[109],"support":[110],"findings.":[112]},"counts_by_year":[{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":10},{"year":2022,"cited_by_count":10},{"year":2021,"cited_by_count":8}],"updated_date":"2026-07-02T06:12:58.138171","created_date":"2021-02-15T00:00:00"}