{"id":"https://openalex.org/W2976608254","doi":"https://doi.org/10.1109/infcomw.2019.8845161","title":"Joint Two-Level Spatial Multiplexing and Beamforming in Terahertz Ultra-Massive MIMO Systems","display_name":"Joint Two-Level Spatial Multiplexing and Beamforming in Terahertz Ultra-Massive MIMO Systems","publication_year":2019,"publication_date":"2019-04-01","ids":{"openalex":"https://openalex.org/W2976608254","doi":"https://doi.org/10.1109/infcomw.2019.8845161","mag":"2976608254"},"language":"en","primary_location":{"id":"doi:10.1109/infcomw.2019.8845161","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infcomw.2019.8845161","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2019 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)","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/A5003926494","display_name":"Longfei Yan","orcid":null},"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"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Longfei Yan","raw_affiliation_strings":["University of Michigan-Shanghai, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"University of Michigan-Shanghai, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["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"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chong Han","raw_affiliation_strings":["University of Michigan-Shanghai, Shanghai Jiao Tong University, Shanghai, China"],"affiliations":[{"raw_affiliation_string":"University of Michigan-Shanghai, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["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":3,"corresponding_author_ids":["https://openalex.org/A5003926494"],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":null,"apc_paid":null,"fwci":0.4769,"has_fulltext":false,"cited_by_count":9,"citation_normalized_percentile":{"value":0.65665063,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"13","issue":null,"first_page":"873","last_page":"878"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9993000030517578,"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/T10262","display_name":"Microwave Engineering and Waveguides","score":0.9983000159263611,"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":0.8290171027183533},{"id":"https://openalex.org/keywords/spatial-multiplexing","display_name":"Spatial multiplexing","score":0.7490103244781494},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7443455457687378},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.7236219644546509},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.5962531566619873},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5151394605636597},{"id":"https://openalex.org/keywords/terahertz-radiation","display_name":"Terahertz radiation","score":0.48948419094085693},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4384693503379822},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.43488171696662903},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.42429667711257935},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.4135195016860962},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.36891424655914307},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.29273152351379395},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.29044756293296814},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.21917641162872314},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.19741830229759216},{"id":"https://openalex.org/keywords/optics","display_name":"Optics","score":0.14313742518424988},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.11038210988044739}],"concepts":[{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.8290171027183533},{"id":"https://openalex.org/C85884896","wikidata":"https://www.wikidata.org/wiki/Q7574075","display_name":"Spatial multiplexing","level":4,"score":0.7490103244781494},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7443455457687378},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.7236219644546509},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.5962531566619873},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5151394605636597},{"id":"https://openalex.org/C107816215","wikidata":"https://www.wikidata.org/wiki/Q647887","display_name":"Terahertz radiation","level":2,"score":0.48948419094085693},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4384693503379822},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.43488171696662903},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.42429667711257935},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.4135195016860962},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.36891424655914307},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.29273152351379395},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.29044756293296814},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.21917641162872314},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.19741830229759216},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.14313742518424988},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.11038210988044739},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/infcomw.2019.8845161","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infcomw.2019.8845161","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2019 - IEEE Conference on Computer Communications Workshops (INFOCOM WKSHPS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.5600000023841858}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1528580396","https://openalex.org/W1985987162","https://openalex.org/W2053521124","https://openalex.org/W2141840210","https://openalex.org/W2195693430","https://openalex.org/W2259391824","https://openalex.org/W2272804037","https://openalex.org/W2591812953","https://openalex.org/W2803053556","https://openalex.org/W2807719490","https://openalex.org/W2808128011"],"related_works":["https://openalex.org/W2950721519","https://openalex.org/W1030714881","https://openalex.org/W2128315032","https://openalex.org/W2036800514","https://openalex.org/W2336268344","https://openalex.org/W2097396380","https://openalex.org/W4282945775","https://openalex.org/W2162065658","https://openalex.org/W2108246702","https://openalex.org/W2111046222"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"an":[3],"analysis":[4],"of":[5,39,42,48,61,96,114,128],"the":[6,15,22,31,37,40,46,62,70,94,97,104,107,115,126,129],"joint":[7],"two-level":[8],"spatial":[9,27],"multiplexing":[10,28],"and":[11,45,106],"beamforming":[12,66],"(J2SMB)":[13],"in":[14,21,30],"ultra-massive":[16],"MIMO":[17,110],"system":[18,33,99],"is":[19,34,57,74,100,122],"presented":[20],"Terahertz":[23],"(THz)":[24],"band.":[25],"The":[26,112],"gain":[29],"J2SMB":[32,72,98,130],"proved":[35],"as":[36],"multiplication":[38],"number":[41,47],"subarrays":[43],"k":[44,58,77],"propagation":[49],"paths":[50],"N":[51],"<sub":[52],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[53],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">p</sub>":[54],",":[55],"which":[56,80],"times":[59],"that":[60,93],"classic":[63],"fully-connected":[64],"hybrid":[65],"(FC-HB)":[67],"system.":[68,131],"Then":[69],"intractable":[71],"problem":[73],"decomposed":[75],"into":[76],"tractable":[78],"subproblems,":[79],"can":[81],"be":[82],"solved":[83],"by":[84],"a":[85],"low-complexity":[86,116],"column-by-column":[87],"(CBC)":[88],"algorithm.":[89],"Simulation":[90],"results":[91],"show":[92],"capacity":[95,127],"significantly":[101],"larger":[102],"than":[103],"FC-HB":[105],"Line-of-Sight":[108],"(LoS)":[109],"systems.":[111],"performance":[113],"CBC":[117],"algorithm":[118],"on":[119],"spectral":[120],"efficiency":[121],"fairly":[123],"close":[124],"to":[125]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
