{"id":"https://openalex.org/W4412747822","doi":"https://doi.org/10.1109/twc.2025.3592045","title":"Decoupling Networks and Super-Quadratic Gains for RIS Systems With Mutual Coupling","display_name":"Decoupling Networks and Super-Quadratic Gains for RIS Systems With Mutual Coupling","publication_year":2025,"publication_date":"2025-07-30","ids":{"openalex":"https://openalex.org/W4412747822","doi":"https://doi.org/10.1109/twc.2025.3592045"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2025.3592045","is_oa":true,"landing_page_url":"https://doi.org/10.1109/twc.2025.3592045","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://doi.org/10.1109/twc.2025.3592045","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060765384","display_name":"Dominik Semmler","orcid":"https://orcid.org/0009-0001-1887-0958"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Dominik Semmler","raw_affiliation_strings":["School of Computation, Information and Technology, Technical University of Munich, Munich, Germany"],"raw_orcid":"https://orcid.org/0009-0001-1887-0958","affiliations":[{"raw_affiliation_string":"School of Computation, Information and Technology, Technical University of Munich, Munich, Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046247590","display_name":"Josef A. Nossek","orcid":"https://orcid.org/0000-0001-5909-0782"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Josef A. Nossek","raw_affiliation_strings":["School of Computation, Information and Technology, Technical University of Munich, Munich, Germany"],"raw_orcid":"https://orcid.org/0000-0001-5909-0782","affiliations":[{"raw_affiliation_string":"School of Computation, Information and Technology, Technical University of Munich, Munich, Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064978816","display_name":"Michael Joham","orcid":"https://orcid.org/0000-0003-2689-4121"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Michael Joham","raw_affiliation_strings":["School of Computation, Information and Technology, Technical University of Munich, Munich, Germany"],"raw_orcid":"https://orcid.org/0000-0003-2689-4121","affiliations":[{"raw_affiliation_string":"School of Computation, Information and Technology, Technical University of Munich, Munich, Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5061455343","display_name":"Benedikt B\u00f6ck","orcid":null},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Benedikt B\u00f6ck","raw_affiliation_strings":["School of Computation, Information and Technology, Technical University of Munich, Munich, Germany"],"raw_orcid":"https://orcid.org/0009-0009-8604-4269","affiliations":[{"raw_affiliation_string":"School of Computation, Information and Technology, Technical University of Munich, Munich, Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5004140094","display_name":"Wolfgang Utschick","orcid":"https://orcid.org/0000-0002-2871-4246"},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Wolfgang Utschick","raw_affiliation_strings":["School of Computation, Information and Technology, Technical University of Munich, Munich, Germany"],"raw_orcid":"https://orcid.org/0000-0002-2871-4246","affiliations":[{"raw_affiliation_string":"School of Computation, Information and Technology, Technical University of Munich, Munich, Germany","institution_ids":["https://openalex.org/I62916508"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I62916508"],"apc_list":{"value":2645,"currency":"USD","value_usd":2645},"apc_paid":{"value":2645,"currency":"USD","value_usd":2645},"fwci":2.654,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.90500406,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":99},"biblio":{"volume":"25","issue":null,"first_page":"1624","last_page":"1639"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10046","display_name":"Stability and Control of Uncertain Systems","score":0.9315000176429749,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T10046","display_name":"Stability and Control of Uncertain Systems","score":0.9315000176429749,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems 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/T11125","display_name":"Petri Nets in System Modeling","score":0.9043999910354614,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/decoupling","display_name":"Decoupling (probability)","score":0.6544395685195923},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.557033121585846},{"id":"https://openalex.org/keywords/quadratic-equation","display_name":"Quadratic equation","score":0.5538302659988403},{"id":"https://openalex.org/keywords/coupling","display_name":"Coupling (piping)","score":0.4381099045276642},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.40948575735092163},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3727428913116455},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.27416250109672546},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.1291029453277588},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.11151674389839172},{"id":"https://openalex.org/keywords/control-engineering","display_name":"Control engineering","score":0.09999927878379822}],"concepts":[{"id":"https://openalex.org/C205606062","wikidata":"https://www.wikidata.org/wiki/Q5249645","display_name":"Decoupling (probability)","level":2,"score":0.6544395685195923},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.557033121585846},{"id":"https://openalex.org/C129844170","wikidata":"https://www.wikidata.org/wiki/Q41299","display_name":"Quadratic equation","level":2,"score":0.5538302659988403},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.4381099045276642},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.40948575735092163},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3727428913116455},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.27416250109672546},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.1291029453277588},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.11151674389839172},{"id":"https://openalex.org/C133731056","wikidata":"https://www.wikidata.org/wiki/Q4917288","display_name":"Control engineering","level":1,"score":0.09999927878379822},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3592045","is_oa":true,"landing_page_url":"https://doi.org/10.1109/twc.2025.3592045","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1109/twc.2025.3592045","is_oa":true,"landing_page_url":"https://doi.org/10.1109/twc.2025.3592045","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Wireless Communications","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":38,"referenced_works":["https://openalex.org/W2036030019","https://openalex.org/W2074889087","https://openalex.org/W2103498147","https://openalex.org/W2106253730","https://openalex.org/W2263581230","https://openalex.org/W2950077417","https://openalex.org/W2963355537","https://openalex.org/W2969424089","https://openalex.org/W3005476696","https://openalex.org/W3021225717","https://openalex.org/W3035386068","https://openalex.org/W3043220753","https://openalex.org/W3078202496","https://openalex.org/W3120117232","https://openalex.org/W3120434479","https://openalex.org/W3131826124","https://openalex.org/W3135998278","https://openalex.org/W3165173280","https://openalex.org/W3194854077","https://openalex.org/W3196897972","https://openalex.org/W3197488186","https://openalex.org/W4312879451","https://openalex.org/W4313001863","https://openalex.org/W4381198702","https://openalex.org/W4388426749","https://openalex.org/W4388878489","https://openalex.org/W4389537666","https://openalex.org/W4391467942","https://openalex.org/W4393380014","https://openalex.org/W4393380155","https://openalex.org/W4396667937","https://openalex.org/W4399416837","https://openalex.org/W4400035742","https://openalex.org/W4401379999","https://openalex.org/W4401808189","https://openalex.org/W4402158929","https://openalex.org/W4402215322","https://openalex.org/W4413887260"],"related_works":["https://openalex.org/W4313561376","https://openalex.org/W3103825105","https://openalex.org/W3027880158","https://openalex.org/W3207533102","https://openalex.org/W1617565119","https://openalex.org/W160381218","https://openalex.org/W2512958550","https://openalex.org/W2004102934","https://openalex.org/W2297581123","https://openalex.org/W4308538550"],"abstract_inverted_index":{"We":[0,171],"propose":[1],"decoupling":[2,70,76,105,204],"networks":[3,205],"for":[4],"the":[5,17,21,33,38,78,125,142,151,160,188,192,200,207],"reconfigurable":[6],"intelligent":[7],"surface":[8],"(RIS)":[9],"array":[10,128],"as":[11,41,100,174,176],"a":[12],"solution":[13,111],"to":[14,37,102,113,124,137,211],"benefit":[15],"from":[16],"mutual":[18,44,55,62,118,154],"coupling":[19,45,56,63,119,155],"between":[20],"reflecting":[22],"elements.":[23],"In":[24,107,130,195],"particular,":[25,131],"we":[26,132],"show":[27,133],"that":[28,134],"when":[29,61],"incorporating":[30],"these":[31],"networks,":[32,77],"system":[34,152,163],"model":[35],"reduces":[36],"same":[39],"structure":[40],"if":[42],"no":[43,104],"is":[46,64,95],"present.":[47],"Hence,":[48],"all":[49],"algorithms":[50],"and":[51,180,184],"theoretical":[52],"discussions":[53],"neglecting":[54],"can":[57],"be":[58],"directly":[59],"applied":[60],"present":[65],"by":[66,74],"utilizing":[67],"our":[68],"proposed":[69],"networks.":[71],"For":[72],"example,":[73],"including":[75,187],"channel":[79,139,208],"gain":[80,209],"maximization":[81],"in":[82,97,121,164],"RIS-aided":[83],"single-input":[84],"single-output":[85],"(SISO)":[86],"systems":[87],"does":[88],"not":[89],"require":[90],"an":[91],"iterative":[92],"algorithm":[93],"but":[94],"given":[96],"closed":[98],"form":[99],"opposed":[101],"using":[103],"network.":[106],"addition,":[108,196],"this":[109],"closed-form":[110],"allows":[112],"analytically":[114],"analyze":[115],"scenarios":[116],"under":[117],"resulting":[120],"novel":[122],"connections":[123],"conventional":[126,161],"transmit":[127],"gain.":[129],"super-quadratic":[135],"(up":[136],"quartic)":[138],"gains":[140,168],"w.r.t.":[141,206],"number":[143],"of":[144,203],"RIS":[145,193],"elements":[146],"are":[147,169],"possible":[148],"and,":[149],"therefore,":[150],"with":[153],"performs":[156],"significantly":[157],"better":[158],"than":[159],"uncoupled":[162],"which":[165],"only":[166],"squared":[167],"possible.":[170],"consider":[172],"diagonal":[173,178],"well":[175],"beyond":[177],"(BD)-RISs":[179],"give":[181],"various":[182],"analytical":[183],"numerical":[185],"results,":[186],"inevitable":[189],"losses":[190],"at":[191],"array.":[194],"simulation":[197],"results":[198],"validate":[199],"superior":[201],"performance":[202],"compared":[210],"other":[212],"state-of-the-art":[213],"methods.":[214]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":2}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2025-10-10T00:00:00"}