{"id":"https://openalex.org/W4313154621","doi":"https://doi.org/10.1109/tcomm.2022.3227237","title":"Rate-Region Characterization and Channel Estimation for Cell-Free Symbiotic Radio Communications","display_name":"Rate-Region Characterization and Channel Estimation for Cell-Free Symbiotic Radio Communications","publication_year":2022,"publication_date":"2022-12-07","ids":{"openalex":"https://openalex.org/W4313154621","doi":"https://doi.org/10.1109/tcomm.2022.3227237"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2022.3227237","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2022.3227237","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 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/A5057084565","display_name":"Zhuoyin Dai","orcid":"https://orcid.org/0000-0002-7877-0609"},"institutions":[{"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":true,"raw_author_name":"Zhuoyin Dai","raw_affiliation_strings":["National Mobile Communications Research Laboratory and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081396120","display_name":"Ruoguang Li","orcid":"https://orcid.org/0000-0001-6834-4916"},"institutions":[{"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":"Ruoguang Li","raw_affiliation_strings":["National Mobile Communications Research Laboratory and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046295305","display_name":"Jingran Xu","orcid":"https://orcid.org/0009-0005-3684-9510"},"institutions":[{"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":"Jingran Xu","raw_affiliation_strings":["National Mobile Communications Research Laboratory and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082336235","display_name":"Yong Zeng","orcid":"https://orcid.org/0000-0002-3670-0434"},"institutions":[{"id":"https://openalex.org/I4210155350","display_name":"Purple Mountain Laboratories","ror":"https://ror.org/04zcbk583","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210155350"]},{"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":"Yong Zeng","raw_affiliation_strings":["National Mobile Communications Research Laboratory and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","Purple Mountain Laboratories, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]},{"raw_affiliation_string":"Purple Mountain Laboratories, Nanjing, China","institution_ids":["https://openalex.org/I4210155350"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013079905","display_name":"Shi Jin","orcid":"https://orcid.org/0000-0003-0271-6021"},"institutions":[{"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":"Shi Jin","raw_affiliation_strings":["National Mobile Communications Research Laboratory and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"National Mobile Communications Research Laboratory and Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5057084565"],"corresponding_institution_ids":["https://openalex.org/I76569877"],"apc_list":null,"apc_paid":null,"fwci":4.4322,"has_fulltext":false,"cited_by_count":51,"citation_normalized_percentile":{"value":0.95349247,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":99,"max":100},"biblio":{"volume":"71","issue":"2","first_page":"674","last_page":"687"},"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":0.9997000098228455,"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":0.9991999864578247,"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/telecommunications-link","display_name":"Telecommunications link","score":0.7485165596008301},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.7249830365180969},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7070739269256592},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6595109701156616},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5802136063575745},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5780120491981506},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.508295476436615},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.46138671040534973},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.46069973707199097},{"id":"https://openalex.org/keywords/cooperative-mimo","display_name":"Cooperative MIMO","score":0.4351344108581543},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.42025429010391235},{"id":"https://openalex.org/keywords/communications-system","display_name":"Communications system","score":0.41706234216690063},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.31323426961898804},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2936728596687317},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.27980929613113403},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.2603028118610382}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7485165596008301},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.7249830365180969},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7070739269256592},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6595109701156616},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5802136063575745},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5780120491981506},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.508295476436615},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.46138671040534973},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.46069973707199097},{"id":"https://openalex.org/C2778079784","wikidata":"https://www.wikidata.org/wiki/Q25000112","display_name":"Cooperative MIMO","level":5,"score":0.4351344108581543},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.42025429010391235},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.41706234216690063},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.31323426961898804},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2936728596687317},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.27980929613113403},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.2603028118610382}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2022.3227237","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2022.3227237","pdf_url":null,"source":{"id":"https://openalex.org/S196647941","display_name":"IEEE Transactions on Communications","issn_l":"0090-6778","issn":["0090-6778","1558-0857"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.5299999713897705}],"awards":[{"id":"https://openalex.org/G1961093404","display_name":null,"funder_award_id":"2022M710692","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G7238088061","display_name":null,"funder_award_id":"62071114","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7967913303","display_name":null,"funder_award_id":"2019YFB1803400","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program 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/F4320335777","display_name":"National Key Research and Development Program of China","ror":null},{"id":"https://openalex.org/F4320335787","display_name":"Fundamental Research Funds for the Central Universities","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":55,"referenced_works":["https://openalex.org/W1568307856","https://openalex.org/W1965392255","https://openalex.org/W1969648546","https://openalex.org/W1991056455","https://openalex.org/W1991379467","https://openalex.org/W1997834106","https://openalex.org/W2063773941","https://openalex.org/W2064191652","https://openalex.org/W2098918476","https://openalex.org/W2106929598","https://openalex.org/W2109005286","https://openalex.org/W2147601077","https://openalex.org/W2178935672","https://openalex.org/W2286275639","https://openalex.org/W2589615107","https://openalex.org/W2593893328","https://openalex.org/W2607478241","https://openalex.org/W2610350904","https://openalex.org/W2735938380","https://openalex.org/W2797535556","https://openalex.org/W2802123921","https://openalex.org/W2805022829","https://openalex.org/W2898035736","https://openalex.org/W2901268226","https://openalex.org/W2911121781","https://openalex.org/W2914462121","https://openalex.org/W2914877864","https://openalex.org/W2921454476","https://openalex.org/W2936544238","https://openalex.org/W2962804513","https://openalex.org/W2964181991","https://openalex.org/W2965123227","https://openalex.org/W2969768389","https://openalex.org/W2975158636","https://openalex.org/W2981792785","https://openalex.org/W2983262378","https://openalex.org/W2990865112","https://openalex.org/W2994008524","https://openalex.org/W3012395922","https://openalex.org/W3037170119","https://openalex.org/W3086892208","https://openalex.org/W3094619726","https://openalex.org/W3099019646","https://openalex.org/W3099345048","https://openalex.org/W3110989801","https://openalex.org/W3129486236","https://openalex.org/W3132623131","https://openalex.org/W3134164132","https://openalex.org/W3134746776","https://openalex.org/W3204155980","https://openalex.org/W3213225772","https://openalex.org/W4226341584","https://openalex.org/W4250589301","https://openalex.org/W6677178498","https://openalex.org/W6768248434"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2088352174","https://openalex.org/W4313028534","https://openalex.org/W3084132786","https://openalex.org/W4327661444","https://openalex.org/W2034991012","https://openalex.org/W2015626365","https://openalex.org/W2023005853","https://openalex.org/W1993212162","https://openalex.org/W2011751543"],"abstract_inverted_index":{"Cell-free":[0],"massive":[1],"MIMO":[2],"and":[3,19,52,77,121,135,160],"symbiotic":[4,33,109],"radio":[5,34],"communication":[6,35,58,70,110],"have":[7],"been":[8],"recently":[9],"proposed":[10,158],"as":[11],"the":[12,25,55,60,68,73,82,93,97,104,116,119,136,154],"promising":[13],"beyond":[14],"fifth-generation":[15],"(B5G)":[16],"networking":[17],"architecture":[18],"transmission":[20],"technology,":[21],"respectively.":[22],"To":[23],"reap":[24],"benefits":[26],"of":[27,40,59,72,84,96,107,118,156],"both,":[28],"this":[29],"paper":[30],"studies":[31],"cell-free":[32,41,98,108],"systems,":[36],"where":[37],"a":[38,50],"number":[39],"access":[42],"points":[43],"(APs)":[44],"cooperatively":[45],"send":[46],"primary":[47,75],"information":[48,88],"to":[49,102,113,152],"receiver,":[51],"simultaneously":[53],"support":[54],"passive":[56,78,122],"backscattering":[57],"secondary":[61,79],"backscatter":[62],"device":[63],"(BD).":[64],"We":[65],"first":[66],"derive":[67],"achievable":[69,105,137],"rates":[71],"active":[74,120],"user":[76,80],"under":[81],"assumption":[83],"perfect":[85],"channel":[86,128,161],"state":[87],"(CSI),":[89],"based":[90,131],"on":[91,132],"which":[92],"transmit":[94],"beamforming":[95,159],"APs":[99],"is":[100,145],"optimized":[101],"characterize":[103],"rate-region":[106,138],"systems.":[111],"Furthermore,":[112],"practically":[114],"acquire":[115],"CSI":[117,142],"channels,":[123],"we":[124],"propose":[125],"an":[126],"efficient":[127],"estimation":[129,143,162],"method":[130],"two-phase":[133],"uplink-training,":[134],"taking":[139],"into":[140],"account":[141],"errors":[144],"further":[146],"characterized.":[147],"Simulation":[148],"results":[149],"are":[150],"provided":[151],"show":[153],"effectiveness":[155],"our":[157],"methods.":[163]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":20},{"year":2024,"cited_by_count":20},{"year":2023,"cited_by_count":8}],"updated_date":"2026-04-15T08:11:43.952461","created_date":"2025-10-10T00:00:00"}
