{"id":"https://openalex.org/W4414539789","doi":"https://doi.org/10.1109/icc52391.2025.11162094","title":"Beam-Space Intermodulation Suppression for LoS MIMO System with Nonlinear Power Amplifiers","display_name":"Beam-Space Intermodulation Suppression for LoS MIMO System with Nonlinear Power Amplifiers","publication_year":2025,"publication_date":"2025-06-08","ids":{"openalex":"https://openalex.org/W4414539789","doi":"https://doi.org/10.1109/icc52391.2025.11162094"},"language":"en","primary_location":{"id":"doi:10.1109/icc52391.2025.11162094","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc52391.2025.11162094","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2025 - IEEE International Conference on Communications","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/A5056300047","display_name":"Bin Liu","orcid":"https://orcid.org/0000-0002-3918-5802"},"institutions":[{"id":"https://openalex.org/I4210113131","display_name":"Barkhausen Institute","ror":"https://ror.org/0260qqv98","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210113131"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Bin Liu","raw_affiliation_strings":["Barkhausen Institut,Dresden,Germany"],"affiliations":[{"raw_affiliation_string":"Barkhausen Institut,Dresden,Germany","institution_ids":["https://openalex.org/I4210113131"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038203207","display_name":"Rafael F. Schaefer","orcid":"https://orcid.org/0000-0002-1702-9075"},"institutions":[{"id":"https://openalex.org/I4210113131","display_name":"Barkhausen Institute","ror":"https://ror.org/0260qqv98","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210113131"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Rafael F. Schaefer","raw_affiliation_strings":["Barkhausen Institut,Dresden,Germany"],"affiliations":[{"raw_affiliation_string":"Barkhausen Institut,Dresden,Germany","institution_ids":["https://openalex.org/I4210113131"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5022117288","display_name":"Gerhard Fettweis","orcid":"https://orcid.org/0000-0003-4622-1311"},"institutions":[{"id":"https://openalex.org/I4210113131","display_name":"Barkhausen Institute","ror":"https://ror.org/0260qqv98","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210113131"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Gerhard P. Fettweis","raw_affiliation_strings":["Barkhausen Institut,Dresden,Germany"],"affiliations":[{"raw_affiliation_string":"Barkhausen Institut,Dresden,Germany","institution_ids":["https://openalex.org/I4210113131"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5056300047"],"corresponding_institution_ids":["https://openalex.org/I4210113131"],"apc_list":null,"apc_paid":null,"fwci":1.3591,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.81936063,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"6245","last_page":"6250"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12371","display_name":"Electrical Contact Performance and Analysis","score":0.9732000231742859,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T12371","display_name":"Electrical Contact Performance and Analysis","score":0.9732000231742859,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9664000272750854,"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":0.930400013923645,"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/intermodulation","display_name":"Intermodulation","score":0.9448999762535095},{"id":"https://openalex.org/keywords/amplifier","display_name":"Amplifier","score":0.7196999788284302},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.679099977016449},{"id":"https://openalex.org/keywords/nonlinear-distortion","display_name":"Nonlinear distortion","score":0.656000018119812},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.59579998254776},{"id":"https://openalex.org/keywords/spurious-relationship","display_name":"Spurious relationship","score":0.5817000269889832},{"id":"https://openalex.org/keywords/distortion","display_name":"Distortion (music)","score":0.5171999931335449},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.47769999504089355}],"concepts":[{"id":"https://openalex.org/C11773624","wikidata":"https://www.wikidata.org/wiki/Q2142232","display_name":"Intermodulation","level":4,"score":0.9448999762535095},{"id":"https://openalex.org/C194257627","wikidata":"https://www.wikidata.org/wiki/Q211554","display_name":"Amplifier","level":3,"score":0.7196999788284302},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.679099977016449},{"id":"https://openalex.org/C173413354","wikidata":"https://www.wikidata.org/wiki/Q7049470","display_name":"Nonlinear distortion","level":4,"score":0.656000018119812},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.59579998254776},{"id":"https://openalex.org/C97256817","wikidata":"https://www.wikidata.org/wiki/Q1462316","display_name":"Spurious relationship","level":2,"score":0.5817000269889832},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5694000124931335},{"id":"https://openalex.org/C126780896","wikidata":"https://www.wikidata.org/wiki/Q899871","display_name":"Distortion (music)","level":4,"score":0.5171999931335449},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5087000131607056},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.47769999504089355},{"id":"https://openalex.org/C158622935","wikidata":"https://www.wikidata.org/wiki/Q660848","display_name":"Nonlinear system","level":2,"score":0.4546999931335449},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.42250001430511475},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3901999890804291},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.3736000061035156},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.3652999997138977},{"id":"https://openalex.org/C57747864","wikidata":"https://www.wikidata.org/wiki/Q7180948","display_name":"Phase distortion","level":3,"score":0.33959999680519104},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.33239999413490295},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.3280999958515167},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3174000084400177},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.3111000061035156},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.29840001463890076},{"id":"https://openalex.org/C192209626","wikidata":"https://www.wikidata.org/wiki/Q190909","display_name":"Focus (optics)","level":2,"score":0.28220000863075256},{"id":"https://openalex.org/C134222854","wikidata":"https://www.wikidata.org/wiki/Q4683140","display_name":"Adjacent-channel interference","level":4,"score":0.26989999413490295},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2522999942302704},{"id":"https://openalex.org/C168834538","wikidata":"https://www.wikidata.org/wiki/Q3705329","display_name":"Beam (structure)","level":2,"score":0.25220000743865967}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc52391.2025.11162094","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc52391.2025.11162094","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2025 - IEEE International Conference on Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1375572575","display_name":null,"funder_award_id":"390696704","funder_id":"https://openalex.org/F4320320879","funder_display_name":"Deutsche Forschungsgemeinschaft"},{"id":"https://openalex.org/G2068653625","display_name":null,"funder_award_id":"101139161","funder_id":"https://openalex.org/F4320320300","funder_display_name":"European Commission"}],"funders":[{"id":"https://openalex.org/F4320320300","display_name":"European Commission","ror":"https://ror.org/00k4n6c32"},{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":25,"referenced_works":["https://openalex.org/W2112300062","https://openalex.org/W2785618969","https://openalex.org/W2796716548","https://openalex.org/W2924380766","https://openalex.org/W2925324561","https://openalex.org/W2949457549","https://openalex.org/W2950118198","https://openalex.org/W2962700397","https://openalex.org/W2963835186","https://openalex.org/W2964762906","https://openalex.org/W3000650748","https://openalex.org/W3108302515","https://openalex.org/W3129317433","https://openalex.org/W3158177776","https://openalex.org/W4210297781","https://openalex.org/W4224221359","https://openalex.org/W4313177870","https://openalex.org/W4317418756","https://openalex.org/W4364322798","https://openalex.org/W4387869681","https://openalex.org/W4388286172","https://openalex.org/W4390331420","https://openalex.org/W4392449424","https://openalex.org/W4393184779","https://openalex.org/W4400276548"],"related_works":[],"abstract_inverted_index":{"In":[0,36],"this":[1],"paper,":[2],"we":[3,79,107],"focus":[4],"on":[5],"the":[6,22,32,61,68,75,81,84,88,94,103,115,118,128,131,135,152,158,163,174,181,191],"nonlinear":[7,15,26],"distortion":[8,23,46],"in":[9,31,60,166],"a":[10,54,109,140],"massive":[11],"MIMO":[12,62],"system":[13],"with":[14],"power":[16,27,164,170],"amplifiers.":[17],"It":[18],"is":[19,29,99],"known":[20],"that":[21,151],"generated":[24],"by":[25,42,101,173],"amplifiers":[28],"beamformed":[30,43],"line-of-sight":[33],"(LoS)":[34],"channel.":[35],"particular,":[37],"spurious":[38,167],"emissions":[39],"are":[40],"caused":[41],"intermodulation":[44,69,95],"(IM)":[45],"and":[47,123,161],"form":[48],"as":[49],"IM":[50,57,85,124,136,159,192],"beams.":[51,193],"We":[52],"propose":[53,108],"precoder":[55,98,112,132,155,177],"for":[56,74,190],"beam":[58,125],"suppression":[59,96,188],"system,":[63],"which":[64],"aims":[65],"to":[66,113,180],"suppress":[67,134,157],"beams":[70,86,137,160],"while":[71,138,185],"maintaining":[72],"beamforming":[73],"intended":[76,119,146],"receivers.":[77,147],"First,":[78],"derive":[80],"direction":[82],"of":[83,130,143],"under":[87],"free-space":[89],"LoS":[90],"channel":[91],"condition.":[92],"Then,":[93],"(IMS)":[97],"proposed":[100,153,175],"maximizing":[102],"signal-to-leakage":[104],"ratio.":[105],"Moreover,":[106],"generalized":[110],"IMS":[111,154,176],"achieve":[114],"trade-off":[116],"between":[117],"signal":[120],"coherent":[121,141],"combination":[122,142],"suppression.":[126],"Adjusting":[127],"weights":[129],"can":[133,156,178],"ensuring":[139],"signals":[144],"at":[145],"Simulation":[148],"results":[149],"show":[150],"reduce":[162],"leakage":[165],"directions.":[168],"The":[169],"gain":[171,189],"obtained":[172],"approach":[179],"maximum":[182],"ratio":[183],"transmission":[184],"achieving":[186],"substantial":[187]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}
