{"id":"https://openalex.org/W4407938117","doi":"https://doi.org/10.1109/tcomm.2025.3545592","title":"Hybrid Beamforming With Widely-Spaced-Array for Multi-User Cross-Near-and-Far-Field Communications","display_name":"Hybrid Beamforming With Widely-Spaced-Array for Multi-User Cross-Near-and-Far-Field Communications","publication_year":2025,"publication_date":"2025-02-25","ids":{"openalex":"https://openalex.org/W4407938117","doi":"https://doi.org/10.1109/tcomm.2025.3545592"},"language":"en","primary_location":{"id":"doi:10.1109/tcomm.2025.3545592","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3545592","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/A5007903959","display_name":"Heyin Shen","orcid":"https://orcid.org/0009-0003-2270-771X"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]},{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Heyin Shen","raw_affiliation_strings":["Terahertz Wireless Communications (TWC) Laboratory, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Terahertz Wireless Communications (TWC) Laboratory, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I4210153300","https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100619340","display_name":"Yuhang Chen","orcid":"https://orcid.org/0000-0002-4280-8337"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]},{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuhang Chen","raw_affiliation_strings":["Terahertz Wireless Communications (TWC) Laboratory, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Terahertz Wireless Communications (TWC) Laboratory, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I4210153300","https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048916368","display_name":"Chong Han","orcid":"https://orcid.org/0000-0002-9638-4736"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]},{"id":"https://openalex.org/I4210153300","display_name":"Shanghai Research Center for Wireless Communications","ror":"https://ror.org/04xfd0826","country_code":"CN","type":"facility","lineage":["https://openalex.org/I4210153300"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chong Han","raw_affiliation_strings":["Terahertz Wireless Communications (TWC) Laboratory, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Terahertz Wireless Communications (TWC) Laboratory, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I4210153300","https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5091837980","display_name":"Jinhong Yuan","orcid":"https://orcid.org/0000-0002-5794-493X"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Jinhong Yuan","raw_affiliation_strings":["School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, NSW, Australia","institution_ids":["https://openalex.org/I31746571"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5007903959"],"corresponding_institution_ids":["https://openalex.org/I183067930","https://openalex.org/I4210153300"],"apc_list":null,"apc_paid":null,"fwci":10.0044,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.96725262,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":96},"biblio":{"volume":"73","issue":"9","first_page":"7858","last_page":"7873"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9993000030517578,"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"}},"topics":[{"id":"https://openalex.org/T10069","display_name":"Antenna Design and Analysis","score":0.9993000030517578,"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/T10148","display_name":"Advanced MIMO Systems Optimization","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"}},{"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/beamforming","display_name":"Beamforming","score":0.8074591159820557},{"id":"https://openalex.org/keywords/near-and-far-field","display_name":"Near and far field","score":0.6186832189559937},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5364682674407959},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.5223358869552612},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4379580020904541},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.40213897824287415},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.39886850118637085},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.18013161420822144},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.10271909832954407}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8074591159820557},{"id":"https://openalex.org/C25227671","wikidata":"https://www.wikidata.org/wiki/Q13405516","display_name":"Near and far field","level":2,"score":0.6186832189559937},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5364682674407959},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5223358869552612},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4379580020904541},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.40213897824287415},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.39886850118637085},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.18013161420822144},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.10271909832954407}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tcomm.2025.3545592","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tcomm.2025.3545592","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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W1423052447","https://openalex.org/W1432778544","https://openalex.org/W2018008632","https://openalex.org/W2034667789","https://openalex.org/W2035073863","https://openalex.org/W2053521124","https://openalex.org/W2098126478","https://openalex.org/W2272804037","https://openalex.org/W2294775169","https://openalex.org/W2781054684","https://openalex.org/W2801974178","https://openalex.org/W2808128011","https://openalex.org/W2916906538","https://openalex.org/W2918105337","https://openalex.org/W2944029523","https://openalex.org/W2964218543","https://openalex.org/W2984937369","https://openalex.org/W3092282640","https://openalex.org/W3122155330","https://openalex.org/W3163598197","https://openalex.org/W3164550829","https://openalex.org/W3173000966","https://openalex.org/W3180149110","https://openalex.org/W3185863076","https://openalex.org/W3212677559","https://openalex.org/W3213225772","https://openalex.org/W3215644076","https://openalex.org/W4220885314","https://openalex.org/W4285192749","https://openalex.org/W4312688996","https://openalex.org/W4315783523","https://openalex.org/W4352977375","https://openalex.org/W4367186067","https://openalex.org/W4376464588","https://openalex.org/W4376481253","https://openalex.org/W4380520376","https://openalex.org/W4381894769","https://openalex.org/W4392405863","https://openalex.org/W4399118807","https://openalex.org/W4399205858","https://openalex.org/W4400314804","https://openalex.org/W4403721399"],"related_works":["https://openalex.org/W2748952813","https://openalex.org/W2963170046","https://openalex.org/W2376244802","https://openalex.org/W1971477554","https://openalex.org/W2158075901","https://openalex.org/W818226659","https://openalex.org/W2923631784","https://openalex.org/W2130785056","https://openalex.org/W2567141277","https://openalex.org/W2132841313"],"abstract_inverted_index":{"With":[0],"multi-GHz":[1],"bandwidth,":[2],"Terahertz":[3],"(THz)":[4],"beamforming":[5,19,130],"has":[6],"drawn":[7],"increasing":[8],"attention":[9],"in":[10,32,36,61,111,121,199,236],"the":[11,33,66,71,87,96,106,117,137,142,174,178,191,195,200,208,212,217,237,245,256,260],"sixth":[12],"generation":[13],"(6G)":[14],"and":[15,105],"beyond":[16],"communications.":[17],"Existing":[18],"designs":[20],"mainly":[21],"focus":[22],"on":[23,42,94],"a":[24,54,77,149,184],"compact":[25,192],"antenna":[26],"array":[27,57],"where":[28],"typical":[29],"communication":[30],"occurs":[31],"far-field.":[34],"However,":[35],"dense":[37],"multi-user":[38,55],"scenarios,":[39],"only":[40,253],"relying":[41],"far-field":[43],"angle":[44],"domain":[45,172],"fails":[46],"to":[47,69,76,115,134,170,190],"distinguish":[48],"users":[49],"at":[50,183],"similar":[51],"angles.":[52],"Therefore,":[53],"widely-spaced":[56],"(MU-WSA)":[58],"is":[59,91,132,156],"exploited":[60],"this":[62,85],"paper,":[63],"which":[64,95],"enlarges":[65],"near-field":[67],"region":[68],"introduce":[70],"additional":[72],"distance":[73,171],"domain,":[74],"leading":[75],"new":[78],"paradigm":[79],"of":[80,108,141,163,186,207,211,219,244,248,255,259],"cross-near-and-far-field":[81],"(CNFF)":[82],"communication.":[83],"Under":[84],"paradigm,":[86],"CNFF":[88],"channel":[89,118],"model":[90],"investigated,":[92],"based":[93],"subarray":[97],"spacing":[98],"<inline-formula":[99,223],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[100,224],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">":[101,225],"<tex-math":[102,226],"notation=\"LaTeX\">$d_{s}$":[103],"</tex-math></inline-formula>":[104],"number":[107,218],"subarrays":[109],"K":[110],"MU-WSA":[112,175],"are":[113],"optimized":[114],"maximize":[116],"capacity.":[119],"Then,":[120],"sub-connected":[122],"(SC)":[123],"systems,":[124,148],"an":[125],"subarray-based":[126],"alternating":[127],"optimization":[128],"(S-AO)":[129],"algorithm":[131,155,198,235],"proposed":[133,157,196],"deal":[135],"with":[136],"special":[138],"block-diagonal":[139],"format":[140],"analog":[143],"precoder.":[144],"For":[145],"fully-connected":[146],"(FC)":[147],"low-complexity":[150],"steering":[151,161],"vector":[152],"reconstruction":[153],"(SVR)-based":[154],"by":[158,180,222],"constructing":[159],"specialized":[160],"vectors":[162],"MU-WSA.":[164],"Numerical":[165],"evaluations":[166],"show":[167],"that":[168],"due":[169],"resolutions,":[173],"can":[176,203,240],"improve":[177],"SE":[179],"over":[181,205,242],"60%":[182],"power":[185,231],"20":[187],"dBm":[188],"compared":[189],"array.":[193],"Additionally,":[194],"S-AO":[197],"SC":[201],"system":[202,214,239],"achieve":[204,241],"80%":[206],"sum":[209],"(SE)":[210],"FC":[213,238],"while":[215],"reducing":[216],"phase":[220],"shifters":[221],"notation=\"LaTeX\">$K^{2}$":[227],"</tex-math></inline-formula>,":[228],"thereby":[229],"lowering":[230],"consumption.":[232],"The":[233],"SVR":[234],"95%":[243],"upper":[246],"bound":[247],"SE,":[249],"but":[250],"it":[251],"takes":[252],"10%":[254],"running":[257],"time":[258],"singular":[261],"value":[262],"decomposition":[263],"(SVD)-based":[264],"algorithms.":[265]},"counts_by_year":[{"year":2025,"cited_by_count":2}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}