{"id":"https://openalex.org/W4200251690","doi":"https://doi.org/10.1109/wcsp52459.2021.9613626","title":"Non-Orthogonal Multiple Access With Signal Alignment in Two-Way Relay System","display_name":"Non-Orthogonal Multiple Access With Signal Alignment in Two-Way Relay System","publication_year":2021,"publication_date":"2021-10-20","ids":{"openalex":"https://openalex.org/W4200251690","doi":"https://doi.org/10.1109/wcsp52459.2021.9613626"},"language":"en","primary_location":{"id":"doi:10.1109/wcsp52459.2021.9613626","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp52459.2021.9613626","pdf_url":null,"source":{"id":"https://openalex.org/S4363607893","display_name":"2021 13th International Conference on Wireless Communications and Signal Processing (WCSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 13th International Conference on Wireless Communications and Signal Processing (WCSP)","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/A5003731386","display_name":"Mengyi Ji","orcid":"https://orcid.org/0000-0001-5015-2801"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mengyi Ji","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100762325","display_name":"Jian Chen","orcid":"https://orcid.org/0000-0002-6740-6043"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Chen","raw_affiliation_strings":["State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057681984","display_name":"Lu Lv","orcid":"https://orcid.org/0000-0002-7609-079X"},"institutions":[{"id":"https://openalex.org/I149594827","display_name":"Xidian University","ror":"https://ror.org/05s92vm98","country_code":"CN","type":"education","lineage":["https://openalex.org/I149594827"]},{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lu Lv","raw_affiliation_strings":["National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"State Key Laboratory of Integrated Services Networks, Xidian University, Xi'an, China","institution_ids":["https://openalex.org/I149594827"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"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/T10964","display_name":"Wireless Communication Security Techniques","score":0.9954000115394592,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9937000274658203,"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/noma","display_name":"Noma","score":0.7695949077606201},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.7391595840454102},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7145679593086243},{"id":"https://openalex.org/keywords/diversity-gain","display_name":"Diversity gain","score":0.5836416482925415},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.5522131323814392},{"id":"https://openalex.org/keywords/outage-probability","display_name":"Outage probability","score":0.5373764038085938},{"id":"https://openalex.org/keywords/single-antenna-interference-cancellation","display_name":"Single antenna interference cancellation","score":0.4968469440937042},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.48746180534362793},{"id":"https://openalex.org/keywords/antenna-diversity","display_name":"Antenna diversity","score":0.47007161378860474},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4389498233795166},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.419575959444046},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.418364554643631},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.35457998514175415},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3499995172023773},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.34444862604141235},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.333488404750824},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.29701513051986694},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.2868662476539612},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.21013465523719788},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.20589247345924377},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1350981593132019},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.12415212392807007},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.11330050230026245},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07737970352172852}],"concepts":[{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.7695949077606201},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7391595840454102},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7145679593086243},{"id":"https://openalex.org/C164785522","wikidata":"https://www.wikidata.org/wiki/Q5283966","display_name":"Diversity gain","level":4,"score":0.5836416482925415},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.5522131323814392},{"id":"https://openalex.org/C2778258436","wikidata":"https://www.wikidata.org/wiki/Q30672262","display_name":"Outage probability","level":4,"score":0.5373764038085938},{"id":"https://openalex.org/C83204339","wikidata":"https://www.wikidata.org/wiki/Q7523915","display_name":"Single antenna interference cancellation","level":3,"score":0.4968469440937042},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.48746180534362793},{"id":"https://openalex.org/C60069766","wikidata":"https://www.wikidata.org/wiki/Q357054","display_name":"Antenna diversity","level":3,"score":0.47007161378860474},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4389498233795166},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.419575959444046},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.418364554643631},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.35457998514175415},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3499995172023773},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.34444862604141235},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.333488404750824},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.29701513051986694},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.2868662476539612},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.21013465523719788},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.20589247345924377},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1350981593132019},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.12415212392807007},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.11330050230026245},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07737970352172852},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcsp52459.2021.9613626","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp52459.2021.9613626","pdf_url":null,"source":{"id":"https://openalex.org/S4363607893","display_name":"2021 13th International Conference on Wireless Communications and Signal Processing (WCSP)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2021 13th International Conference on Wireless Communications and Signal Processing (WCSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1668967348","display_name":null,"funder_award_id":"2020D07","funder_id":"https://openalex.org/F4320324856","funder_display_name":"Southeast University"},{"id":"https://openalex.org/G3479418894","display_name":null,"funder_award_id":"BX20190264,2019M650258","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G37234090","display_name":null,"funder_award_id":"61901313,61971320,61771366","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"},{"id":"https://openalex.org/F4320324856","display_name":"Southeast University","ror":"https://ror.org/04ct4d772"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W1901462474","https://openalex.org/W1958281780","https://openalex.org/W2027563534","https://openalex.org/W2067181210","https://openalex.org/W2509696551","https://openalex.org/W2549116153","https://openalex.org/W2794036548"],"related_works":["https://openalex.org/W3039370918","https://openalex.org/W2980162015","https://openalex.org/W2769732439","https://openalex.org/W2370038111","https://openalex.org/W4361208685","https://openalex.org/W4297882612","https://openalex.org/W4235843916","https://openalex.org/W3214327504","https://openalex.org/W4387429616","https://openalex.org/W4308092590"],"abstract_inverted_index":{"In":[0,24],"conventional":[1,125],"two-way":[2],"relay":[3,67],"non-orthogonal":[4],"multiple":[5],"access":[6],"(TWR-NOMA)":[7],"system,":[8],"the":[9,18,33,63,66,73,83,93,102,108,124],"diversity":[10,39,87],"order":[11],"is":[12],"equal":[13],"to":[14,36,71,119],"zero":[15],"even":[16],"under":[17,114],"perfect":[19],"successive":[20],"interference":[21],"cancellation":[22],"(pSIC).":[23],"this":[25],"paper,":[26],"we":[27],"leverage":[28],"multiple-input":[29],"multiple-output":[30],"technique":[31],"in":[32,48,110],"TWR-NOMA":[34,99],"system":[35],"extract":[37],"spatial":[38],"gain":[40],"for":[41,82],"performance":[42],"enhancement.":[43],"Communications":[44],"between":[45],"two":[46],"users":[47,59],"different":[49],"pairs":[50],"are":[51,68],"assisted":[52],"by":[53],"a":[54],"relay.":[55],"Precoding":[56],"vectors":[57],"at":[58,65],"as":[60,62],"well":[61],"matrix":[64],"specially":[69],"designed":[70],"perform":[72],"signal":[74,96],"alignment":[75,97],"(SA).":[76],"We":[77],"derived":[78],"analytical":[79],"closed-form":[80],"expressions":[81],"outage":[84,103],"probability":[85,104],"and":[86,98],"order.":[88],"The":[89],"results":[90],"show":[91],"that":[92],"combination":[94],"of":[95,117],"can":[100],"make":[101],"keep":[105],"falling":[106],"with":[107],"increase":[109],"signal-to-noise":[111],"ratio":[112],"(SNR)":[113],"pSIC":[115],"instead":[116],"converging":[118],"an":[120],"error":[121],"floor":[122],"like":[123],"TWR-NOMA.":[126]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}