{"id":"https://openalex.org/W4205612541","doi":"https://doi.org/10.1109/twc.2021.3131244","title":"Message-Passing Receiver Design for Multiuser Multi-Backscatter-Device Symbiotic Radio Communications","display_name":"Message-Passing Receiver Design for Multiuser Multi-Backscatter-Device Symbiotic Radio Communications","publication_year":2021,"publication_date":"2021-12-07","ids":{"openalex":"https://openalex.org/W4205612541","doi":"https://doi.org/10.1109/twc.2021.3131244"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2021.3131244","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2021.3131244","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-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/A5059719083","display_name":"Xiaoyan Kuai","orcid":"https://orcid.org/0000-0003-2550-7839"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoyan Kuai","raw_affiliation_strings":["National Laboratory of Science and Technology on Communications, Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Laboratory of Science and Technology on Communications, Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063946480","display_name":"Xiaojun Yuan","orcid":"https://orcid.org/0000-0002-0433-6535"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaojun Yuan","raw_affiliation_strings":["National Laboratory of Science and Technology on Communications, Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0002-0433-6535","affiliations":[{"raw_affiliation_string":"National Laboratory of Science and Technology on Communications, Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007832415","display_name":"Ying\u2010Chang Liang","orcid":"https://orcid.org/0000-0003-2671-5090"},"institutions":[{"id":"https://openalex.org/I150229711","display_name":"University of Electronic Science and Technology of China","ror":"https://ror.org/04qr3zq92","country_code":"CN","type":"education","lineage":["https://openalex.org/I150229711"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ying-Chang Liang","raw_affiliation_strings":["National Laboratory of Science and Technology on Communications, Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China, Chengdu, China"],"raw_orcid":"https://orcid.org/0000-0003-2671-5090","affiliations":[{"raw_affiliation_string":"National Laboratory of Science and Technology on Communications, Center for Intelligent Networking and Communications (CINC), University of Electronic Science and Technology of China, Chengdu, China","institution_ids":["https://openalex.org/I150229711"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I150229711"],"apc_list":null,"apc_paid":null,"fwci":1.4752,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.82327374,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"21","issue":"6","first_page":"4563","last_page":"4578"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","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/T11392","display_name":"Energy Harvesting in Wireless Networks","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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9950000047683716,"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":0.9944999814033508,"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":0.7992649078369141},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.6854409575462341},{"id":"https://openalex.org/keywords/multiuser-detection","display_name":"Multiuser detection","score":0.6067208051681519},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5546047687530518},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.5310925245285034},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.4669395983219147},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.35223355889320374},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.34434932470321655}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7992649078369141},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.6854409575462341},{"id":"https://openalex.org/C2777104032","wikidata":"https://www.wikidata.org/wiki/Q16324514","display_name":"Multiuser detection","level":3,"score":0.6067208051681519},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5546047687530518},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.5310925245285034},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.4669395983219147},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.35223355889320374},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.34434932470321655},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2021.3131244","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2021.3131244","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1418244083","display_name":null,"funder_award_id":"U1801261","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3738287161","display_name":null,"funder_award_id":"2018YFB1801105","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G5922440334","display_name":"\u667a\u80fd\u53cd\u5c04\u9762\u8f85\u52a9\u7684\u65e0\u7ebfMIMO\u7cfb\u7edf\u7684\u7269\u7406\u5c42\u5173\u952e\u6280\u672f\u7814\u7a76","funder_award_id":"62071090","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7000009495","display_name":"\u57fa\u4e8e\u5927\u6570\u636e\u7684\u590d\u6742\u5f02\u6784\u7f51\u7edc\u667a\u80fd\u65e0\u7ebf\u63a5\u5165\u7406\u8bba\u4e0e\u6280\u672f\u7814\u7a76","funder_award_id":"61631005","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8662725822","display_name":null,"funder_award_id":"61801083","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/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W1763302039","https://openalex.org/W1943579973","https://openalex.org/W2038194220","https://openalex.org/W2058401212","https://openalex.org/W2088525693","https://openalex.org/W2100459091","https://openalex.org/W2166670884","https://openalex.org/W2560844389","https://openalex.org/W2596873572","https://openalex.org/W2610971674","https://openalex.org/W2761643725","https://openalex.org/W2775135700","https://openalex.org/W2783647977","https://openalex.org/W2883289908","https://openalex.org/W2884145162","https://openalex.org/W2889788216","https://openalex.org/W2893939120","https://openalex.org/W2899776773","https://openalex.org/W2913135829","https://openalex.org/W2914462121","https://openalex.org/W2928316837","https://openalex.org/W2942034734","https://openalex.org/W2943400766","https://openalex.org/W2946996088","https://openalex.org/W2962732150","https://openalex.org/W2963135410","https://openalex.org/W2985210419","https://openalex.org/W2985251921","https://openalex.org/W2990865112","https://openalex.org/W3003897381","https://openalex.org/W3005943402","https://openalex.org/W3036361269","https://openalex.org/W3085005989","https://openalex.org/W3086892208","https://openalex.org/W3092637329","https://openalex.org/W3096423797","https://openalex.org/W3098848552","https://openalex.org/W3102858851","https://openalex.org/W3128524297","https://openalex.org/W4206180546","https://openalex.org/W4239275670"],"related_works":["https://openalex.org/W1931943713","https://openalex.org/W301676527","https://openalex.org/W2991224564","https://openalex.org/W3140554627","https://openalex.org/W1757854673","https://openalex.org/W4289865786","https://openalex.org/W2110670012","https://openalex.org/W2507345605","https://openalex.org/W2103028776","https://openalex.org/W2051005918"],"abstract_inverted_index":{"Symbiotic":[0],"radio":[1],"(SR)":[2],"has":[3],"emerged":[4],"as":[5,124],"a":[6,22,37,98,105,154,183],"spectrum":[7,33],"and":[8,48,52,80,166],"energy-efficient":[9],"communication":[10,28],"paradigm":[11],"for":[12,118,186],"future":[13],"passive":[14],"Internet-of-Things":[15],"(IoT).":[16],"In":[17,133],"this":[18],"paper,":[19],"we":[20,152,181],"consider":[21],"multiuser":[23,51,120,188],"multi-":[24],"backscatter-device":[25],"(BD)":[26],"SR":[27,122,190],"system":[29,191],"to":[30,43,88,126,158,192],"enhance":[31],"the":[32,44,56,64,119,127,135,143,172,177,187,195,202,205],"efficiency,":[34],"by":[35,104],"sharing":[36],"common":[38],"time-frequency":[39],"resource":[40],"block.":[41],"Due":[42],"presence":[45],"of":[46,129,145,176,204],"inter-user":[47],"inter-BD":[49],"interference,":[50],"multi-BD":[53,121,189],"detection":[54,65],"in":[55,92,96],"receiver":[57,156,185,207],"design":[58,157,182],"become":[59],"much":[60],"more":[61],"challenging.":[62],"Concretely,":[63],"problem":[66],"involves":[67],"several":[68],"key":[69],"components:":[70],"direct-link":[71],"channel":[72,75,99,110,161],"estimation,":[73,76,162],"backscatter-link":[74,136],"user":[77,163],"signal":[78],"decoding,":[79,165],"BD":[81,167],"symbol":[82,168],"detection.":[83,169],"A":[84],"conventional":[85],"way":[86],"is":[87,102,115,137],"realise":[89],"these":[90,150],"components":[91],"two":[93],"separate":[94],"phases,":[95],"which":[97,140],"estimation":[100,179,196],"phase":[101],"followed":[103],"data":[106,164],"decoding":[107],"phase.":[108],"However,":[109],"state":[111],"information":[112],"(CSI)":[113],"acquisition":[114],"very":[116],"difficult":[117],"communication,":[123],"compared":[125],"case":[128],"orthogonal":[130],"multiple":[131],"access.":[132],"addition,":[134],"relatively":[138],"weak,":[139],"further":[141],"increases":[142],"difficulty":[144],"CSI":[146],"acquisition.":[147],"To":[148],"address":[149],"issues,":[151],"propose":[153],"novel":[155],"perform":[159],"joint":[160,178],"Based":[170],"on":[171],"factor":[173],"graph":[174],"representation":[175],"problem,":[180],"message-passing":[184],"iteratively":[193],"refine":[194],"outputs.":[197],"Extensive":[198],"simulation":[199],"results":[200],"demonstrate":[201],"effectiveness":[203],"proposed":[206],"design.":[208]},"counts_by_year":[{"year":2025,"cited_by_count":5},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":6},{"year":2022,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}