{"id":"https://openalex.org/W4400277265","doi":"https://doi.org/10.1109/wcnc57260.2024.10571047","title":"Spectral Efficiency Analysis of Downlink Cell-Free RAN System with Zero-Forcing Beamforming","display_name":"Spectral Efficiency Analysis of Downlink Cell-Free RAN System with Zero-Forcing Beamforming","publication_year":2024,"publication_date":"2024-04-21","ids":{"openalex":"https://openalex.org/W4400277265","doi":"https://doi.org/10.1109/wcnc57260.2024.10571047"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc57260.2024.10571047","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/wcnc57260.2024.10571047","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Wireless Communications and Networking Conference (WCNC)","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/A5102700184","display_name":"Tan Xie","orcid":null},"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":"Xie Tan","raw_affiliation_strings":["Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096"],"affiliations":[{"raw_affiliation_string":"Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022015602","display_name":"Xinjiang Xia","orcid":"https://orcid.org/0000-0003-3326-8022"},"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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xinjiang Xia","raw_affiliation_strings":["Purple Mountain Laboratories,Nanjing,P. R. China,211111"],"affiliations":[{"raw_affiliation_string":"Purple Mountain Laboratories,Nanjing,P. R. China,211111","institution_ids":["https://openalex.org/I4210155350"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5063687318","display_name":"Zhihao Gu","orcid":"https://orcid.org/0000-0002-2004-6431"},"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":"Zhihao Gu","raw_affiliation_strings":["Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096"],"affiliations":[{"raw_affiliation_string":"Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100402198","display_name":"Yunlong Li","orcid":"https://orcid.org/0000-0002-7193-7322"},"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":"Yunlong Li","raw_affiliation_strings":["Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096"],"affiliations":[{"raw_affiliation_string":"Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5053804593","display_name":"Zhaotao Zhang","orcid":"https://orcid.org/0000-0002-9119-8854"},"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":"Zhaotao Zhang","raw_affiliation_strings":["Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096"],"affiliations":[{"raw_affiliation_string":"Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100737019","display_name":"Dongming Wang","orcid":"https://orcid.org/0000-0003-2762-6567"},"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":"Dongming Wang","raw_affiliation_strings":["Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096"],"affiliations":[{"raw_affiliation_string":"Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5072916702","display_name":"Xiaohu You","orcid":"https://orcid.org/0000-0002-0809-8511"},"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":"Xiaohu You","raw_affiliation_strings":["Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096"],"affiliations":[{"raw_affiliation_string":"Southeast University,National Mobile Communications Research Laboratory,Nanjing,China,210096","institution_ids":["https://openalex.org/I76569877"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5102700184"],"corresponding_institution_ids":["https://openalex.org/I76569877"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.07546557,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"abs/2108.02541","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9980000257492065,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9980000257492065,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9944999814033508,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11946","display_name":"Antenna Design and Optimization","score":0.9916999936103821,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.776362419128418},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6970837712287903},{"id":"https://openalex.org/keywords/c-ran","display_name":"C-RAN","score":0.5616907477378845},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4951309263706207},{"id":"https://openalex.org/keywords/ran","display_name":"Ran","score":0.4808026850223541},{"id":"https://openalex.org/keywords/zero","display_name":"Zero (linguistics)","score":0.46114641427993774},{"id":"https://openalex.org/keywords/forcing","display_name":"Forcing (mathematics)","score":0.4468223452568054},{"id":"https://openalex.org/keywords/spectral-analysis","display_name":"Spectral analysis","score":0.4466990828514099},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.429517924785614},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.29968753457069397},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.1892145276069641},{"id":"https://openalex.org/keywords/radio-access-network","display_name":"Radio access network","score":0.1872788369655609},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.17603948712348938},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.1475556492805481},{"id":"https://openalex.org/keywords/atmospheric-sciences","display_name":"Atmospheric sciences","score":0.07728248834609985}],"concepts":[{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.776362419128418},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6970837712287903},{"id":"https://openalex.org/C2779765720","wikidata":"https://www.wikidata.org/wiki/Q5005908","display_name":"C-RAN","level":5,"score":0.5616907477378845},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4951309263706207},{"id":"https://openalex.org/C160704184","wikidata":"https://www.wikidata.org/wiki/Q18031028","display_name":"Ran","level":2,"score":0.4808026850223541},{"id":"https://openalex.org/C2780813799","wikidata":"https://www.wikidata.org/wiki/Q3274237","display_name":"Zero (linguistics)","level":2,"score":0.46114641427993774},{"id":"https://openalex.org/C197115733","wikidata":"https://www.wikidata.org/wiki/Q1003136","display_name":"Forcing (mathematics)","level":2,"score":0.4468223452568054},{"id":"https://openalex.org/C2983668108","wikidata":"https://www.wikidata.org/wiki/Q280453","display_name":"Spectral analysis","level":3,"score":0.4466990828514099},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.429517924785614},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.29968753457069397},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.1892145276069641},{"id":"https://openalex.org/C106365562","wikidata":"https://www.wikidata.org/wiki/Q3078360","display_name":"Radio access network","level":4,"score":0.1872788369655609},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.17603948712348938},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.1475556492805481},{"id":"https://openalex.org/C91586092","wikidata":"https://www.wikidata.org/wiki/Q757520","display_name":"Atmospheric sciences","level":1,"score":0.07728248834609985},{"id":"https://openalex.org/C41895202","wikidata":"https://www.wikidata.org/wiki/Q8162","display_name":"Linguistics","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C207029474","wikidata":"https://www.wikidata.org/wiki/Q384018","display_name":"Mobile station","level":3,"score":0.0},{"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/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc57260.2024.10571047","is_oa":false,"landing_page_url":"http://dx.doi.org/10.1109/wcnc57260.2024.10571047","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2024 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.7900000214576721}],"awards":[{"id":"https://openalex.org/G1025479804","display_name":null,"funder_award_id":"2021M702500","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"},{"id":"https://openalex.org/G5965185695","display_name":null,"funder_award_id":"62371346","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"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W615589970","https://openalex.org/W1974552031","https://openalex.org/W2084304524","https://openalex.org/W2187603890","https://openalex.org/W2286275639","https://openalex.org/W2593893328","https://openalex.org/W2610350904","https://openalex.org/W2804119529","https://openalex.org/W2974046131","https://openalex.org/W3034448035","https://openalex.org/W3100767898","https://openalex.org/W3110008909","https://openalex.org/W3114965973","https://openalex.org/W3158832185","https://openalex.org/W3174330684","https://openalex.org/W3174518893","https://openalex.org/W3181798789","https://openalex.org/W4205929200","https://openalex.org/W4286370873","https://openalex.org/W4317794991","https://openalex.org/W4321498527","https://openalex.org/W4376457027","https://openalex.org/W4379527410","https://openalex.org/W4384158362","https://openalex.org/W6786812630"],"related_works":["https://openalex.org/W2885627391","https://openalex.org/W4324323655","https://openalex.org/W2922954044","https://openalex.org/W3037103914","https://openalex.org/W1982654631","https://openalex.org/W3018338683","https://openalex.org/W2931048898","https://openalex.org/W4288060126","https://openalex.org/W3197340217","https://openalex.org/W4294306393"],"abstract_inverted_index":{"A":[0],"cell-free":[1,24],"radio":[2],"access":[3],"network":[4],"(CF-RAN)":[5],"is":[6],"a":[7,28,43,61,116],"novel":[8],"architecture":[9],"that":[10],"can":[11,92],"effectively":[12],"solve":[13],"the":[14,55,69,84,90,103,106,110,123,126,130,133],"scalability":[15],"problems":[16],"and":[17,26,33,46,77,114,129],"lack":[18],"of":[19,22,60,71,89,105,125,132],"collaboration":[20],"capabilities":[21],"other":[23],"networks":[25],"achieve":[27],"better":[29],"trade-off":[30],"between":[31],"performance":[32,59,104],"complexity.":[34],"There":[35],"are":[36],"multiple":[37,50],"edge":[38],"distributed":[39],"units":[40],"(EDUs)":[41],"in":[42,68],"CF-RAN":[44,63],"system":[45,91],"each":[47],"EDU":[48],"mounts":[49],"APs.":[51],"This":[52],"paper":[53],"inves-tigates":[54],"spectral":[56],"efficiency":[57],"(SE)":[58],"downlink":[62,85],"with":[64],"zero-forcing":[65],"(ZF)":[66],"beamforming":[67],"presence":[70],"pilot":[72],"reuse,":[73],"considering":[74],"power":[75],"coefficients":[76],"compression":[78],"noise.":[79],"An":[80],"asymptotic":[81,127],"expression":[82,128],"for":[83],"signal-to-interference-plus-noise":[86],"ratio":[87],"(SINR)":[88],"be":[93],"derived":[94],"by":[95],"using":[96],"large-scale":[97],"random":[98],"matrix":[99],"theory.":[100],"To":[101],"improve":[102],"system,":[107],"we":[108],"consider":[109],"EDU-AP":[111],"association":[112,135],"strategy":[113],"propose":[115],"heuristic":[117],"greedy":[118],"algorithm.":[119,136],"Simulation":[120],"results":[121],"verify":[122],"accuracy":[124],"effectiveness":[131],"proposed":[134]},"counts_by_year":[],"updated_date":"2025-12-23T23:11:35.936235","created_date":"2025-10-10T00:00:00"}
