{"id":"https://openalex.org/W7126094527","doi":"https://doi.org/10.1109/lwc.2026.3659812","title":"Matrix Exponential Distribution Method Applied to Multi-RIS Aided Systems Evaluation","display_name":"Matrix Exponential Distribution Method Applied to Multi-RIS Aided Systems Evaluation","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7126094527","doi":"https://doi.org/10.1109/lwc.2026.3659812"},"language":null,"primary_location":{"id":"doi:10.1109/lwc.2026.3659812","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2026.3659812","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Wireless Communications Letters","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/A5124216105","display_name":"Danilo B. T. Almeida","orcid":null},"institutions":[{"id":"https://openalex.org/I59606676","display_name":"Universidade Federal do Par\u00e1","ror":"https://ror.org/03q9sr818","country_code":"BR","type":"education","lineage":["https://openalex.org/I59606676"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Danilo B. T. Almeida","raw_affiliation_strings":["Department of Electrical Engineering, Federal University of Paraíba, João Pessoa, Brazil"],"raw_orcid":"https://orcid.org/0000-0003-1699-8883","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Federal University of Paraíba, João Pessoa, Brazil","institution_ids":["https://openalex.org/I59606676"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5124166321","display_name":"Francisco Madeiro","orcid":null},"institutions":[{"id":"https://openalex.org/I71437568","display_name":"Universidade de Pernambuco","ror":"https://ror.org/00gtcbp88","country_code":"BR","type":"education","lineage":["https://openalex.org/I71437568"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Francisco Madeiro","raw_affiliation_strings":["Polytechnic School of Pernambuco, University of Pernambuco (UPE), Recife, Brazil"],"raw_orcid":"https://orcid.org/0000-0002-6123-0390","affiliations":[{"raw_affiliation_string":"Polytechnic School of Pernambuco, University of Pernambuco (UPE), Recife, Brazil","institution_ids":["https://openalex.org/I71437568"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5112886677","display_name":"W. J. L. Queiroz","orcid":null},"institutions":[{"id":"https://openalex.org/I41455075","display_name":"Universidade Federal de Campina Grande","ror":"https://ror.org/00eftnx64","country_code":"BR","type":"education","lineage":["https://openalex.org/I41455075"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Wamberto J. L. Queiroz","raw_affiliation_strings":["Department of Electrical Engineering, Federal University of Campina Grande, Campina Grande, Brazil"],"raw_orcid":"https://orcid.org/0000-0002-5065-2221","affiliations":[{"raw_affiliation_string":"Department of Electrical Engineering, Federal University of Campina Grande, Campina Grande, Brazil","institution_ids":["https://openalex.org/I41455075"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.07161234,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"15","issue":null,"first_page":"1682","last_page":"1686"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.810699999332428,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.810699999332428,"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":0.10220000147819519,"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/T11873","display_name":"PAPR reduction in OFDM","score":0.012799999676644802,"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/independent-and-identically-distributed-random-variables","display_name":"Independent and identically distributed random variables","score":0.7597000002861023},{"id":"https://openalex.org/keywords/moment-generating-function","display_name":"Moment-generating function","score":0.7348999977111816},{"id":"https://openalex.org/keywords/random-variable","display_name":"Random variable","score":0.6378999948501587},{"id":"https://openalex.org/keywords/probability-distribution","display_name":"Probability distribution","score":0.5160999894142151},{"id":"https://openalex.org/keywords/probability-density-function","display_name":"Probability density function","score":0.5087000131607056},{"id":"https://openalex.org/keywords/exponential-distribution","display_name":"Exponential distribution","score":0.47870001196861267},{"id":"https://openalex.org/keywords/matrix","display_name":"Matrix (chemical analysis)","score":0.47189998626708984},{"id":"https://openalex.org/keywords/exponential-function","display_name":"Exponential function","score":0.47040000557899475},{"id":"https://openalex.org/keywords/ergodic-theory","display_name":"Ergodic theory","score":0.44850000739097595},{"id":"https://openalex.org/keywords/cumulative-distribution-function","display_name":"Cumulative distribution function","score":0.4447999894618988}],"concepts":[{"id":"https://openalex.org/C141513077","wikidata":"https://www.wikidata.org/wiki/Q378542","display_name":"Independent and identically distributed random variables","level":3,"score":0.7597000002861023},{"id":"https://openalex.org/C101796028","wikidata":"https://www.wikidata.org/wiki/Q535587","display_name":"Moment-generating function","level":3,"score":0.7348999977111816},{"id":"https://openalex.org/C122123141","wikidata":"https://www.wikidata.org/wiki/Q176623","display_name":"Random variable","level":2,"score":0.6378999948501587},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.5745000243186951},{"id":"https://openalex.org/C149441793","wikidata":"https://www.wikidata.org/wiki/Q200726","display_name":"Probability distribution","level":2,"score":0.5160999894142151},{"id":"https://openalex.org/C197055811","wikidata":"https://www.wikidata.org/wiki/Q207522","display_name":"Probability density function","level":2,"score":0.5087000131607056},{"id":"https://openalex.org/C55350006","wikidata":"https://www.wikidata.org/wiki/Q237193","display_name":"Exponential distribution","level":2,"score":0.47870001196861267},{"id":"https://openalex.org/C106487976","wikidata":"https://www.wikidata.org/wiki/Q685816","display_name":"Matrix (chemical analysis)","level":2,"score":0.47189998626708984},{"id":"https://openalex.org/C151376022","wikidata":"https://www.wikidata.org/wiki/Q168698","display_name":"Exponential function","level":2,"score":0.47040000557899475},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.4641999900341034},{"id":"https://openalex.org/C122044880","wikidata":"https://www.wikidata.org/wiki/Q5498822","display_name":"Ergodic theory","level":2,"score":0.44850000739097595},{"id":"https://openalex.org/C103784038","wikidata":"https://www.wikidata.org/wiki/Q386228","display_name":"Cumulative distribution function","level":3,"score":0.4447999894618988},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.38499999046325684},{"id":"https://openalex.org/C64812099","wikidata":"https://www.wikidata.org/wiki/Q176604","display_name":"Random matrix","level":3,"score":0.3833000063896179},{"id":"https://openalex.org/C197096303","wikidata":"https://www.wikidata.org/wiki/Q869887","display_name":"Probability mass function","level":3,"score":0.35510000586509705},{"id":"https://openalex.org/C179254644","wikidata":"https://www.wikidata.org/wiki/Q13222844","display_name":"Moment (physics)","level":2,"score":0.34869998693466187},{"id":"https://openalex.org/C195906000","wikidata":"https://www.wikidata.org/wiki/Q1191722","display_name":"Matrix exponential","level":3,"score":0.3483999967575073},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.3481000065803528},{"id":"https://openalex.org/C187825244","wikidata":"https://www.wikidata.org/wiki/Q372071","display_name":"Probability-generating function","level":4,"score":0.3325999975204468},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.32919999957084656},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3253999948501587},{"id":"https://openalex.org/C110121322","wikidata":"https://www.wikidata.org/wiki/Q865811","display_name":"Distribution (mathematics)","level":2,"score":0.3167000114917755},{"id":"https://openalex.org/C182514268","wikidata":"https://www.wikidata.org/wiki/Q7636889","display_name":"Sum of normally distributed random variables","level":4,"score":0.31380000710487366},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.30730000138282776},{"id":"https://openalex.org/C8272713","wikidata":"https://www.wikidata.org/wiki/Q176737","display_name":"Stochastic process","level":2,"score":0.3005000054836273},{"id":"https://openalex.org/C18653775","wikidata":"https://www.wikidata.org/wiki/Q1333358","display_name":"Joint probability distribution","level":2,"score":0.29440000653266907},{"id":"https://openalex.org/C185142706","wikidata":"https://www.wikidata.org/wiki/Q1134404","display_name":"Covariance matrix","level":2,"score":0.29269999265670776},{"id":"https://openalex.org/C108882938","wikidata":"https://www.wikidata.org/wiki/Q274506","display_name":"Uniform distribution (continuous)","level":2,"score":0.287200003862381},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.2856000065803528},{"id":"https://openalex.org/C72396439","wikidata":"https://www.wikidata.org/wiki/Q16000505","display_name":"Symmetric probability distribution","level":3,"score":0.27959999442100525},{"id":"https://openalex.org/C109045618","wikidata":"https://www.wikidata.org/wiki/Q5421535","display_name":"Exponentially modified Gaussian distribution","level":4,"score":0.2761000096797943},{"id":"https://openalex.org/C92224547","wikidata":"https://www.wikidata.org/wiki/Q1673216","display_name":"Probability of error","level":2,"score":0.27489998936653137},{"id":"https://openalex.org/C55974624","wikidata":"https://www.wikidata.org/wiki/Q1188504","display_name":"Exponential family","level":2,"score":0.27459999918937683},{"id":"https://openalex.org/C101765175","wikidata":"https://www.wikidata.org/wiki/Q577764","display_name":"Communications system","level":2,"score":0.2728999853134155},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.27239999175071716},{"id":"https://openalex.org/C53638454","wikidata":"https://www.wikidata.org/wiki/Q4446020","display_name":"Exponential sum","level":3,"score":0.27000001072883606},{"id":"https://openalex.org/C55842286","wikidata":"https://www.wikidata.org/wiki/Q533036","display_name":"Q-function","level":4,"score":0.2678999900817871},{"id":"https://openalex.org/C54848796","wikidata":"https://www.wikidata.org/wiki/Q339011","display_name":"Symmetric matrix","level":3,"score":0.2653999924659729},{"id":"https://openalex.org/C20538924","wikidata":"https://www.wikidata.org/wiki/Q822139","display_name":"Characteristic function (probability theory)","level":3,"score":0.260699987411499},{"id":"https://openalex.org/C2781007418","wikidata":"https://www.wikidata.org/wiki/Q1456934","display_name":"Capacity planning","level":2,"score":0.25780001282691956}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lwc.2026.3659812","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2026.3659812","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["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 Wireless Communications Letters","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":21,"referenced_works":["https://openalex.org/W191636288","https://openalex.org/W595252221","https://openalex.org/W1995453571","https://openalex.org/W2520116760","https://openalex.org/W2801292740","https://openalex.org/W2804246900","https://openalex.org/W2945452221","https://openalex.org/W2968810373","https://openalex.org/W2981174761","https://openalex.org/W3088537232","https://openalex.org/W3120042657","https://openalex.org/W3147919432","https://openalex.org/W3203387279","https://openalex.org/W4309047671","https://openalex.org/W4319603660","https://openalex.org/W4381733203","https://openalex.org/W4389252411","https://openalex.org/W4396733113","https://openalex.org/W4398162652","https://openalex.org/W4400679073","https://openalex.org/W4405440199"],"related_works":[],"abstract_inverted_index":{"The":[0],"sum":[1,34,61],"of":[2,32,35,59],"random":[3,44],"variables":[4,45],"arises":[5],"as":[6,68],"a":[7,83],"challenge":[8],"in":[9,82],"several":[10],"wireless":[11,84],"communication":[12,85],"problems,":[13],"particularly":[14],"those":[15],"characterized":[16],"by":[17,88],"the":[18,27,33,48,56],"Fox":[19,42],"H":[20,43],"distribution.":[21],"In":[22],"this":[23,60],"paper,":[24],"we":[25],"derive":[26,64],"moment":[28],"generating":[29],"function":[30],"(MGF)":[31],"independent":[36],"and":[37,46,62,77],"non":[38],"identically":[39],"distributed":[40],"(INID)":[41],"apply":[47],"matrix":[49],"exponential":[50],"distribution":[51,58],"method":[52],"(MEDM)":[53],"to":[54,63],"obtain":[55],"probability":[57,70,75],"performance":[65],"metrics":[66],"such":[67],"outage":[69],"(OP),":[71],"average":[72],"symbol":[73],"error":[74],"(ASEP)":[76],"normalized":[78],"ergodic":[79],"capacity":[80],"(EC)":[81],"system":[86],"assisted":[87],"multiple":[89],"reconfigurable":[90],"intelligent":[91],"surfaces":[92],"(RIS).":[93]},"counts_by_year":[],"updated_date":"2026-08-13T07:04:57.449891","created_date":"2026-01-30T00:00:00"}