{"id":"https://openalex.org/W4414405618","doi":"https://doi.org/10.1109/iccworkshops67674.2025.11162471","title":"Angular-Based Hybrid Beamforming for Wideband THz Massive MIMO Systems: Mitigating Beam Split by Leveraging Angular Spread","display_name":"Angular-Based Hybrid Beamforming for Wideband THz Massive MIMO Systems: Mitigating Beam Split by Leveraging Angular Spread","publication_year":2025,"publication_date":"2025-06-08","ids":{"openalex":"https://openalex.org/W4414405618","doi":"https://doi.org/10.1109/iccworkshops67674.2025.11162471"},"language":"en","primary_location":{"id":"doi:10.1109/iccworkshops67674.2025.11162471","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccworkshops67674.2025.11162471","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Conference on Communications Workshops (ICC Workshops)","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/A5067601548","display_name":"Ibrahim Yildirim","orcid":"https://orcid.org/0000-0003-0237-8464"},"institutions":[{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":true,"raw_author_name":"Ibrahim Yildirim","raw_affiliation_strings":["McGill University,Department of Electrical and Computer Engineering,Montreal,Canada"],"affiliations":[{"raw_affiliation_string":"McGill University,Department of Electrical and Computer Engineering,Montreal,Canada","institution_ids":["https://openalex.org/I5023651"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026464766","display_name":"Tho Le\u2010Ngoc","orcid":"https://orcid.org/0000-0002-9308-8894"},"institutions":[{"id":"https://openalex.org/I5023651","display_name":"McGill University","ror":"https://ror.org/01pxwe438","country_code":"CA","type":"education","lineage":["https://openalex.org/I5023651"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Tho Le-Ngoc","raw_affiliation_strings":["McGill University,Department of Electrical and Computer Engineering,Montreal,Canada"],"affiliations":[{"raw_affiliation_string":"McGill University,Department of Electrical and Computer Engineering,Montreal,Canada","institution_ids":["https://openalex.org/I5023651"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5067601548"],"corresponding_institution_ids":["https://openalex.org/I5023651"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.27084444,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1580","last_page":"1585"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9994000196456909,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9994000196456909,"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":0.9991999864578247,"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/T10069","display_name":"Antenna Design and Analysis","score":0.9986000061035156,"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/beamwidth","display_name":"Beamwidth","score":0.8885999917984009},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7580000162124634},{"id":"https://openalex.org/keywords/wideband","display_name":"Wideband","score":0.7577000260353088},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6104000210762024},{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.5875999927520752},{"id":"https://openalex.org/keywords/beam","display_name":"Beam (structure)","score":0.552299976348877},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4065000116825104}],"concepts":[{"id":"https://openalex.org/C190060920","wikidata":"https://www.wikidata.org/wiki/Q4876232","display_name":"Beamwidth","level":3,"score":0.8885999917984009},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7580000162124634},{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.7577000260353088},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6104000210762024},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.5875999927520752},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5741999745368958},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.552299976348877},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.519599974155426},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4065000116825104},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.36980000138282776},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.3628999888896942},{"id":"https://openalex.org/C155675718","wikidata":"https://www.wikidata.org/wiki/Q161254","display_name":"Angular momentum","level":2,"score":0.35100001096725464},{"id":"https://openalex.org/C24890656","wikidata":"https://www.wikidata.org/wiki/Q82811","display_name":"Acoustics","level":1,"score":0.302700012922287},{"id":"https://openalex.org/C143148639","wikidata":"https://www.wikidata.org/wiki/Q4876192","display_name":"Beam steering","level":3,"score":0.2978000044822693},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.29159998893737793},{"id":"https://openalex.org/C128975484","wikidata":"https://www.wikidata.org/wiki/Q3492872","display_name":"Angular spectrum method","level":3,"score":0.2888999879360199},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.27489998936653137},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.2660999894142151},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.25220000743865967}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iccworkshops67674.2025.11162471","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iccworkshops67674.2025.11162471","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE International Conference on Communications Workshops (ICC Workshops)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":19,"referenced_works":["https://openalex.org/W2053521124","https://openalex.org/W2104483462","https://openalex.org/W2111322952","https://openalex.org/W2195693430","https://openalex.org/W2567050201","https://openalex.org/W2883616568","https://openalex.org/W3002159761","https://openalex.org/W3021261488","https://openalex.org/W3102971715","https://openalex.org/W3122155330","https://openalex.org/W3126485115","https://openalex.org/W3127477746","https://openalex.org/W3143117471","https://openalex.org/W3176327693","https://openalex.org/W4315630443","https://openalex.org/W4315777669","https://openalex.org/W4321021943","https://openalex.org/W4400811440","https://openalex.org/W4402626839"],"related_works":[],"abstract_inverted_index":{"Beam":[0],"split":[1,46,90,133],"is":[2],"a":[3,125],"critical":[4],"challenge":[5],"in":[6,22,109,134],"wideband":[7,136],"THz":[8,137],"massive":[9],"MIMO":[10],"systems,":[11],"arising":[12],"from":[13],"frequency-dependent":[14],"beam":[15,45,89,132],"misalignment":[16,70],"that":[17,38,102],"degrades":[18],"communication":[19,138],"performance,":[20],"particularly":[21],"scenarios":[23],"with":[24],"narrow":[25],"beamwidths":[26],"and":[27,87,112,119,127],"large":[28],"arrays.":[29],"This":[30,122],"work":[31,123],"proposes":[32],"an":[33],"angular-based":[34],"hybrid":[35],"beamforming":[36,113],"framework":[37],"leverages":[39],"angular":[40,53,59,79],"spread":[41,54],"to":[42,61],"mitigate":[43],"the":[44,63,75,81,103],"effect.":[47],"Instead":[48],"of":[49,65],"relying":[50],"on":[51],"precise":[52],"modeling,":[55],"we":[56],"utilize":[57],"coarse":[58],"information":[60],"guide":[62],"design":[64],"subcarrier-specific":[66],"beams,":[67],"effectively":[68],"reducing":[69],"across":[71],"subcarriers.":[72],"By":[73],"broadening":[74],"effective":[76],"beamwidth":[77],"through":[78],"spread,":[80],"proposed":[82,104],"method":[83],"enhances":[84],"user":[85],"coverage":[86],"alleviates":[88],"without":[91],"requiring":[92],"complex":[93],"time-delay":[94],"units":[95],"or":[96],"hardware-intensive":[97],"solutions.":[98],"Simulation":[99],"results":[100],"demonstrate":[101],"approach":[105],"achieves":[106],"significant":[107],"improvements":[108],"spectral":[110],"efficiency":[111],"accuracy":[114],"while":[115],"maintaining":[116],"low":[117],"computational":[118],"hardware":[120],"complexity.":[121],"provides":[124],"practical":[126],"efficient":[128],"solution":[129],"for":[130],"addressing":[131],"next-generation":[135],"systems.":[139]},"counts_by_year":[],"updated_date":"2026-03-07T16:01:11.037858","created_date":"2025-10-10T00:00:00"}
