{"id":"https://openalex.org/W2016967373","doi":"https://doi.org/10.1109/iswcs.2007.4392334","title":"Complexity Comparison of MIMO Channel Modelling Methods","display_name":"Complexity Comparison of MIMO Channel Modelling Methods","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W2016967373","doi":"https://doi.org/10.1109/iswcs.2007.4392334","mag":"2016967373"},"language":"en","primary_location":{"id":"doi:10.1109/iswcs.2007.4392334","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2007.4392334","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 4th International Symposium on Wireless Communication Systems","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/A5041819257","display_name":"Pekka Ky\u00f6sti","orcid":"https://orcid.org/0000-0003-3533-9234"},"institutions":[{"id":"https://openalex.org/I33286718","display_name":"Elektrobit (Finland)","ror":"https://ror.org/03tb49961","country_code":"FI","type":"company","lineage":["https://openalex.org/I33286718"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Pekka Kyosti","raw_affiliation_strings":["Elektrobi, Oulu, Finland","Elektrobit, Oulu"],"affiliations":[{"raw_affiliation_string":"Elektrobi, Oulu, Finland","institution_ids":["https://openalex.org/I33286718"]},{"raw_affiliation_string":"Elektrobit, Oulu","institution_ids":["https://openalex.org/I33286718"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007169577","display_name":"Tommi J\u00e4ms\u00e4","orcid":null},"institutions":[{"id":"https://openalex.org/I33286718","display_name":"Elektrobit (Finland)","ror":"https://ror.org/03tb49961","country_code":"FI","type":"company","lineage":["https://openalex.org/I33286718"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Tommi Jamsa","raw_affiliation_strings":["Elektrobi, Oulu, Finland","Elektrobit, Oulu"],"affiliations":[{"raw_affiliation_string":"Elektrobi, Oulu, Finland","institution_ids":["https://openalex.org/I33286718"]},{"raw_affiliation_string":"Elektrobit, Oulu","institution_ids":["https://openalex.org/I33286718"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5041819257"],"corresponding_institution_ids":["https://openalex.org/I33286718"],"apc_list":null,"apc_paid":null,"fwci":3.5124,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.92235503,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":95},"biblio":{"volume":null,"issue":null,"first_page":"219","last_page":"223"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10148","display_name":"Advanced MIMO Systems Optimization","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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9987000226974487,"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/T10125","display_name":"Advanced Wireless Communication Techniques","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"}}],"keywords":[{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7691823244094849},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.7492846846580505},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5846716165542603},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5593205690383911},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4631350338459015},{"id":"https://openalex.org/keywords/correlation-coefficient","display_name":"Correlation coefficient","score":0.4596928656101227},{"id":"https://openalex.org/keywords/communication-complexity","display_name":"Communication complexity","score":0.4539186954498291},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.42850732803344727},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.421015202999115},{"id":"https://openalex.org/keywords/covariance-matrix","display_name":"Covariance matrix","score":0.4131360650062561},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3360671401023865},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3338410258293152},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3269980251789093},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23641860485076904},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08061698079109192}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7691823244094849},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.7492846846580505},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5846716165542603},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5593205690383911},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4631350338459015},{"id":"https://openalex.org/C2780092901","wikidata":"https://www.wikidata.org/wiki/Q3433612","display_name":"Correlation coefficient","level":2,"score":0.4596928656101227},{"id":"https://openalex.org/C179145077","wikidata":"https://www.wikidata.org/wiki/Q5154130","display_name":"Communication complexity","level":2,"score":0.4539186954498291},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.42850732803344727},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.421015202999115},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.4131360650062561},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3360671401023865},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3338410258293152},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3269980251789093},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23641860485076904},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08061698079109192},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C119857082","wikidata":"https://www.wikidata.org/wiki/Q2539","display_name":"Machine learning","level":1,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iswcs.2007.4392334","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2007.4392334","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 4th International Symposium on Wireless Communication Systems","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":5,"referenced_works":["https://openalex.org/W1982288502","https://openalex.org/W2143013378","https://openalex.org/W2145148742","https://openalex.org/W2170701157","https://openalex.org/W4297562996"],"related_works":["https://openalex.org/W2545343974","https://openalex.org/W4291895924","https://openalex.org/W1783583321","https://openalex.org/W2038397443","https://openalex.org/W2941374357","https://openalex.org/W2112785353","https://openalex.org/W2026727497","https://openalex.org/W4388520214","https://openalex.org/W2134520490","https://openalex.org/W4309156034"],"abstract_inverted_index":{"Computational":[0],"complexity":[1,39,70,81,89,132,154,158],"of":[2,4,21,24,28,40,42,59,71,76,82,90,101,106,120,133,141,169,184],"simulation":[3,153],"channel":[5,47,72,92],"models":[6],"has":[7,128],"become":[8],"an":[9],"important":[10],"issue":[11],"due":[12],"to":[13,112,150],"the":[14,37,80,88,91,98,104,118,124,139,144,156,161,174,182],"increased":[15],"requirements":[16],"for,":[17],"e.g.,":[18],"bandwidth,":[19],"number":[20,27,75,105,119,140,183],"antennas,":[22],"quality":[23],"service":[25],"(QoS),":[26],"users,":[29],"and":[30,57,79,159],"advanced":[31],"network":[32],"topologies.":[33],"This":[34],"paper":[35,171],"compares":[36],"computational":[38],"generation":[41,94],"multiple-input":[43],"multiple-output":[44],"(MIMO)":[45],"radio":[46],"realizations":[48],"with":[49],"different":[50,64],"modelling":[51],"principles,":[52],"namely":[53],"correlation":[54,125,134],"matrix":[55,126],"based":[56,61,176],"sum":[58],"rays":[60],"methods.":[62,165],"Three":[63],"aspects":[65],"are":[66,69],"compared.":[67],"They":[68],"coefficient":[73,93],"generation,":[74],"required":[77],"parameters,":[78],"simulation.":[83],"The":[84,131,152,166],"comparison":[85],"shows":[86],"that":[87,173],"is":[95,110,122,147,160,172,178,187],"in":[96],"about":[97],"same":[99,162],"order":[100],"magnitude":[102],"when":[103,181],"MIMO":[107],"antenna":[108,185],"pairs":[109,186],"up":[111],"16":[113],"(e.g.":[114],"4times4":[115],"MIMO).":[116],"When":[117],"antennas":[121,142],"higher,":[123],"method":[127,135,146,177],"higher":[129],"complexity.":[130],"depends":[136],"strongly":[137],"on":[138],"while":[143],"sum-of-rays":[145,175],"quite":[148],"insensitive":[149],"it.":[151],"dominates":[155],"overall":[157],"for":[163],"both":[164],"main":[167],"conclusion":[168],"this":[170],"recommendable":[179],"especially":[180],"high.":[188]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
