{"id":"https://openalex.org/W4328054472","doi":"https://doi.org/10.1109/ncc56989.2023.10067992","title":"OTSM-SCMA: Code-Domain NOMA based Orthogonal Time Sequency Multiplexing Modulation","display_name":"OTSM-SCMA: Code-Domain NOMA based Orthogonal Time Sequency Multiplexing Modulation","publication_year":2023,"publication_date":"2023-02-23","ids":{"openalex":"https://openalex.org/W4328054472","doi":"https://doi.org/10.1109/ncc56989.2023.10067992"},"language":"en","primary_location":{"id":"doi:10.1109/ncc56989.2023.10067992","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ncc56989.2023.10067992","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 National Conference on Communications (NCC)","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/A5079302941","display_name":"Anna Thomas","orcid":"https://orcid.org/0000-0001-6639-3415"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Anna Thomas","raw_affiliation_strings":["School of Electrical Sciences Indian Institute of Technology Goa"],"affiliations":[{"raw_affiliation_string":"School of Electrical Sciences Indian Institute of Technology Goa","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5044121360","display_name":"Nalluru Sangeeta","orcid":null},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Nalluru Sangeeta","raw_affiliation_strings":["Indian Institute of Technology Guwahati,Department of EEE","Department of EEE, Indian Institute of Technology Guwahati"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Guwahati,Department of EEE","institution_ids":["https://openalex.org/I1317621060"]},{"raw_affiliation_string":"Department of EEE, Indian Institute of Technology Guwahati","institution_ids":["https://openalex.org/I1317621060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035673068","display_name":"Kuntal Deka","orcid":"https://orcid.org/0000-0002-8782-1682"},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Kuntal Deka","raw_affiliation_strings":["Indian Institute of Technology Guwahati,Department of EEE","Department of EEE, Indian Institute of Technology Guwahati"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Guwahati,Department of EEE","institution_ids":["https://openalex.org/I1317621060"]},{"raw_affiliation_string":"Department of EEE, Indian Institute of Technology Guwahati","institution_ids":["https://openalex.org/I1317621060"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005623079","display_name":"Sanjeev Sharma","orcid":"https://orcid.org/0000-0001-7488-1064"},"institutions":[{"id":"https://openalex.org/I56404289","display_name":"Indian Institute of Technology BHU","ror":"https://ror.org/01kh5gc44","country_code":"IN","type":"education","lineage":["https://openalex.org/I56404289"]},{"id":"https://openalex.org/I91357014","display_name":"Banaras Hindu University","ror":"https://ror.org/04cdn2797","country_code":"IN","type":"education","lineage":["https://openalex.org/I91357014"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"Sanjeev Sharma","raw_affiliation_strings":["Indian Institute of Technology (BHU) Varanasi,Department of Electronics Engineering","Department of Electronics Engineering, Indian Institute of Technology (BHU) Varanasi"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology (BHU) Varanasi,Department of Electronics Engineering","institution_ids":["https://openalex.org/I56404289","https://openalex.org/I91357014"]},{"raw_affiliation_string":"Department of Electronics Engineering, Indian Institute of Technology (BHU) Varanasi","institution_ids":["https://openalex.org/I56404289","https://openalex.org/I91357014"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5114858793","display_name":"A. Rajesh","orcid":null},"institutions":[{"id":"https://openalex.org/I1317621060","display_name":"Indian Institute of Technology Guwahati","ror":"https://ror.org/0022nd079","country_code":"IN","type":"education","lineage":["https://openalex.org/I1317621060"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"A. Rajesh","raw_affiliation_strings":["Indian Institute of Technology Guwahati,Department of EEE","Department of EEE, Indian Institute of Technology Guwahati"],"affiliations":[{"raw_affiliation_string":"Indian Institute of Technology Guwahati,Department of EEE","institution_ids":["https://openalex.org/I1317621060"]},{"raw_affiliation_string":"Department of EEE, Indian Institute of Technology Guwahati","institution_ids":["https://openalex.org/I1317621060"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5079302941"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3918,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.57801469,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9995999932289124,"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":0.9995999932289124,"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":0.9995999932289124,"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":0.9945999979972839,"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/code-word","display_name":"Code word","score":0.7045759558677673},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6548563838005066},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.6270965933799744},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.6238037347793579},{"id":"https://openalex.org/keywords/code","display_name":"Code (set theory)","score":0.6194220185279846},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.5864684581756592},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5100153684616089},{"id":"https://openalex.org/keywords/domain","display_name":"Domain (mathematical analysis)","score":0.46609699726104736},{"id":"https://openalex.org/keywords/time-domain","display_name":"Time domain","score":0.43906092643737793},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.35251450538635254},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.3412156105041504},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.19813385605812073},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.19707146286964417},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19136929512023926},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10946083068847656},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.10259181261062622},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.056552231311798096}],"concepts":[{"id":"https://openalex.org/C153207627","wikidata":"https://www.wikidata.org/wiki/Q863873","display_name":"Code word","level":3,"score":0.7045759558677673},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6548563838005066},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.6270965933799744},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.6238037347793579},{"id":"https://openalex.org/C2776760102","wikidata":"https://www.wikidata.org/wiki/Q5139990","display_name":"Code (set theory)","level":3,"score":0.6194220185279846},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.5864684581756592},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5100153684616089},{"id":"https://openalex.org/C36503486","wikidata":"https://www.wikidata.org/wiki/Q11235244","display_name":"Domain (mathematical analysis)","level":2,"score":0.46609699726104736},{"id":"https://openalex.org/C103824480","wikidata":"https://www.wikidata.org/wiki/Q185889","display_name":"Time domain","level":2,"score":0.43906092643737793},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.35251450538635254},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.3412156105041504},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.19813385605812073},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.19707146286964417},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19136929512023926},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10946083068847656},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.10259181261062622},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.056552231311798096},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0},{"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/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","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":"doi:10.1109/ncc56989.2023.10067992","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/ncc56989.2023.10067992","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2023 National Conference on Communications (NCC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W2042519026","https://openalex.org/W2463692443","https://openalex.org/W2496901463","https://openalex.org/W2612254130","https://openalex.org/W2748265480","https://openalex.org/W2888002205","https://openalex.org/W2899131610","https://openalex.org/W2918455720","https://openalex.org/W2938563145","https://openalex.org/W2951947870","https://openalex.org/W2964529439","https://openalex.org/W2990723501","https://openalex.org/W3010798086","https://openalex.org/W3044610462","https://openalex.org/W3099350037","https://openalex.org/W3112162188","https://openalex.org/W3153252929","https://openalex.org/W3161771080","https://openalex.org/W4285023211","https://openalex.org/W4285166198","https://openalex.org/W4294576869","https://openalex.org/W6748268494"],"related_works":["https://openalex.org/W3030525848","https://openalex.org/W4385197910","https://openalex.org/W2340639785","https://openalex.org/W3010814398","https://openalex.org/W4385197899","https://openalex.org/W3005957545","https://openalex.org/W2076432172","https://openalex.org/W4309235375","https://openalex.org/W2887349183","https://openalex.org/W4364360709"],"abstract_inverted_index":{"In":[0],"this":[1,87],"paper,":[2],"we":[3,105],"present":[4],"a":[5,22,44,107,144],"code-domain":[6],"(CD)":[7],"non-orthogonal":[8],"multiple":[9,40,152],"access":[10,41],"(NOMA)":[11],"approach":[12],"for":[13],"orthogonal":[14],"time":[15],"sequency":[16],"multiplexing":[17],"(OTSM)":[18],"modulation.":[19],"OTSM":[20,63,116],"is":[21,43,48,72,114,126],"recently":[23],"proposed":[24,82,139],"2D":[25],"modulation":[26,64],"technique,":[27],"where":[28],"the":[29,34,58,79,102,123,138,161],"data":[30,60,69,99],"symbols":[31,70,93],"are":[32],"in":[33,78,86],"delay-sequency":[35],"domain.":[36],"Further,":[37],"sparse":[38],"code":[39],"(SCMA)":[42],"CD":[45],"NOMA,":[46],"which":[47],"more":[49,73],"efficient":[50],"than":[51],"power":[52],"domain":[53],"NOMA":[54],"techniques":[55],"due":[56],"to":[57,67,149],"codeword":[59,68,92],"symbols.":[61,97],"The":[62,81,133],"with":[65,160],"respect":[66],"allocation":[71],"challenging":[74],"and":[75,89,122],"not":[76],"explored":[77],"literature.":[80],"OTSM-SCMA":[83,103,140,155],"scheme":[84,141],"focuses":[85],"direction,":[88],"uses":[90],"SCMA":[91,127],"instead":[94],"of":[95,101],"QAM":[96],"For":[98],"detection":[100,110,117,128],"scheme,":[104],"propose":[106],"two-stage":[108],"sequential":[109],"method.":[111],"First":[112],"stage":[113,125],"independent":[115],"using":[118,129],"Gauss-Seidal":[119],"(GS)":[120],"method":[121],"second":[124],"message-passing":[130],"(MP)":[131],"algorithm.":[132],"simulation":[134],"results":[135],"show":[136],"that":[137],"can":[142],"achieve":[143],"notably":[145],"higher":[146],"rate":[147],"compared":[148],"OTSM-OMA":[150,162],"(orthogonal":[151],"access).":[153],"Also,":[154],"gives":[156],"comparable":[157],"BER":[158],"performance":[159],"scheme.":[163]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1}],"updated_date":"2026-03-25T13:04:00.132906","created_date":"2025-10-10T00:00:00"}