{"id":"https://openalex.org/W4414539605","doi":"https://doi.org/10.1109/icc52391.2025.11161220","title":"An SFFT-Based Method for Wideband Beamforming of Reconfigurable Intelligent Surface","display_name":"An SFFT-Based Method for Wideband Beamforming of Reconfigurable Intelligent Surface","publication_year":2025,"publication_date":"2025-06-08","ids":{"openalex":"https://openalex.org/W4414539605","doi":"https://doi.org/10.1109/icc52391.2025.11161220"},"language":"en","primary_location":{"id":"doi:10.1109/icc52391.2025.11161220","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc52391.2025.11161220","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/A5114112051","display_name":"Xiaowei Qian","orcid":null},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]},{"id":"https://openalex.org/I4392021250","display_name":"State Key Laboratory of Networking and Switching Technology","ror":"https://ror.org/00qtv5q45","country_code":null,"type":"facility","lineage":["https://openalex.org/I139759216","https://openalex.org/I4392021250"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Xiaowei Qian","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,State Key Laboratory of Networking and Switching Technology,Beijing,China,100876"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,State Key Laboratory of Networking and Switching Technology,Beijing,China,100876","institution_ids":["https://openalex.org/I139759216","https://openalex.org/I4392021250"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102999566","display_name":"Xiaoling Hu","orcid":"https://orcid.org/0000-0001-9418-8515"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]},{"id":"https://openalex.org/I4392021250","display_name":"State Key Laboratory of Networking and Switching Technology","ror":"https://ror.org/00qtv5q45","country_code":null,"type":"facility","lineage":["https://openalex.org/I139759216","https://openalex.org/I4392021250"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoling Hu","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,State Key Laboratory of Networking and Switching Technology,Beijing,China,100876"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,State Key Laboratory of Networking and Switching Technology,Beijing,China,100876","institution_ids":["https://openalex.org/I139759216","https://openalex.org/I4392021250"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100387427","display_name":"Chenxi Liu","orcid":"https://orcid.org/0000-0002-9134-1235"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]},{"id":"https://openalex.org/I4392021250","display_name":"State Key Laboratory of Networking and Switching Technology","ror":"https://ror.org/00qtv5q45","country_code":null,"type":"facility","lineage":["https://openalex.org/I139759216","https://openalex.org/I4392021250"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenxi Liu","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,State Key Laboratory of Networking and Switching Technology,Beijing,China,100876"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,State Key Laboratory of Networking and Switching Technology,Beijing,China,100876","institution_ids":["https://openalex.org/I139759216","https://openalex.org/I4392021250"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5060203564","display_name":"Mugen Peng","orcid":"https://orcid.org/0000-0002-4755-7231"},"institutions":[{"id":"https://openalex.org/I4392021250","display_name":"State Key Laboratory of Networking and Switching Technology","ror":"https://ror.org/00qtv5q45","country_code":null,"type":"facility","lineage":["https://openalex.org/I139759216","https://openalex.org/I4392021250"]},{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Mugen Peng","raw_affiliation_strings":["Beijing University of Posts and Telecommunications,State Key Laboratory of Networking and Switching Technology,Beijing,China,100876"],"affiliations":[{"raw_affiliation_string":"Beijing University of Posts and Telecommunications,State Key Laboratory of Networking and Switching Technology,Beijing,China,100876","institution_ids":["https://openalex.org/I139759216","https://openalex.org/I4392021250"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5114112051"],"corresponding_institution_ids":["https://openalex.org/I139759216","https://openalex.org/I4392021250"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.32000021,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"2562","last_page":"2567"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9402999877929688,"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"}},"topics":[{"id":"https://openalex.org/T11383","display_name":"Advanced Antenna and Metasurface Technologies","score":0.9402999877929688,"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/wideband","display_name":"Wideband","score":0.8600999712944031},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.850600004196167},{"id":"https://openalex.org/keywords/narrowband","display_name":"Narrowband","score":0.7694000005722046},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.4993000030517578},{"id":"https://openalex.org/keywords/wsdma","display_name":"WSDMA","score":0.4876999855041504},{"id":"https://openalex.org/keywords/fast-fourier-transform","display_name":"Fast Fourier transform","score":0.36390000581741333},{"id":"https://openalex.org/keywords/phase","display_name":"Phase (matter)","score":0.36090001463890076}],"concepts":[{"id":"https://openalex.org/C2780202535","wikidata":"https://www.wikidata.org/wiki/Q4524457","display_name":"Wideband","level":2,"score":0.8600999712944031},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.850600004196167},{"id":"https://openalex.org/C2776096036","wikidata":"https://www.wikidata.org/wiki/Q1140483","display_name":"Narrowband","level":2,"score":0.7694000005722046},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.6462000012397766},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.60589998960495},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.4993000030517578},{"id":"https://openalex.org/C57466844","wikidata":"https://www.wikidata.org/wiki/Q7955559","display_name":"WSDMA","level":5,"score":0.4876999855041504},{"id":"https://openalex.org/C75172450","wikidata":"https://www.wikidata.org/wiki/Q623950","display_name":"Fast Fourier transform","level":2,"score":0.36390000581741333},{"id":"https://openalex.org/C44280652","wikidata":"https://www.wikidata.org/wiki/Q104837","display_name":"Phase (matter)","level":2,"score":0.36090001463890076},{"id":"https://openalex.org/C143635782","wikidata":"https://www.wikidata.org/wiki/Q1187868","display_name":"Smart antenna","level":4,"score":0.3337000012397766},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.31520000100135803},{"id":"https://openalex.org/C33378366","wikidata":"https://www.wikidata.org/wiki/Q4680719","display_name":"Adaptive beamformer","level":3,"score":0.31290000677108765},{"id":"https://openalex.org/C509933004","wikidata":"https://www.wikidata.org/wiki/Q194163","display_name":"Broadband","level":2,"score":0.3009999990463257},{"id":"https://openalex.org/C204241405","wikidata":"https://www.wikidata.org/wiki/Q461499","display_name":"Transformation (genetics)","level":3,"score":0.295199990272522},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.2840999960899353},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2671000063419342},{"id":"https://openalex.org/C2778116611","wikidata":"https://www.wikidata.org/wiki/Q25110567","display_name":"Frequency band","level":3,"score":0.2605000138282776}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc52391.2025.11161220","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc52391.2025.11161220","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/G3968958501","display_name":null,"funder_award_id":"62201084,62471053","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G7416385593","display_name":null,"funder_award_id":"2025D10","funder_id":"https://openalex.org/F4320336270","funder_display_name":"National Mobile Communications Research Laboratory, Southeast University"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320336270","display_name":"National Mobile Communications Research Laboratory, Southeast University","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1991056455","https://openalex.org/W2146002389","https://openalex.org/W3041653465","https://openalex.org/W3088768990","https://openalex.org/W3129486236","https://openalex.org/W3178081691","https://openalex.org/W3201151435","https://openalex.org/W3211967628","https://openalex.org/W4221161002","https://openalex.org/W4244753254","https://openalex.org/W4285181046","https://openalex.org/W4285276822","https://openalex.org/W4297094903","https://openalex.org/W4312688996","https://openalex.org/W4323644342","https://openalex.org/W4381785932"],"related_works":[],"abstract_inverted_index":{"The":[0,101],"spectrum":[1],"shift":[2,14],"to":[3,18,41,85,107,119,154],"high-frequency":[4],"bands":[5],"has":[6],"posed":[7],"an":[8,87],"ever-increasing":[9],"demand":[10],"on":[11],"the":[12,25,63,75,115,121,130,148,165],"paradigm":[13],"from":[15],"narrowband":[16],"beamforming":[17,29,69,135,170],"wideband":[19,28,68,169],"beamforming.":[20],"Despite":[21],"recent":[22],"research":[23],"efforts,":[24],"problem":[26],"of":[27,47,91,132,167],"design":[30,70,136,166],"is":[31,44,104],"particularly":[32],"challenging":[33],"in":[34],"reconfigurable":[35],"intelligent":[36],"surface":[37],"(RIS)-assisted":[38],"systems,":[39],"due":[40],"that":[42],"RIS":[43,92],"not":[45],"capable":[46],"performing":[48],"frequency-dependent":[49],"phase":[50,83,93],"shift,":[51],"therefore":[52],"inducing":[53],"high":[54],"signal":[55,98],"processing":[56,99],"complexity.":[57,100],"In":[58,74],"this":[59],"paper,":[60],"we":[61,78,128],"propose":[62],"space-frequency":[64],"Fourier":[65],"transformation":[66],"(SFFT)-based":[67],"for":[71,171],"RIS-assisted":[72,172],"systems.":[73,173],"proposed":[76,134,149],"design,":[77],"exploit":[79],"SFFT":[80],"and":[81,111,137,144],"stationary":[82],"method":[84,150],"yield":[86],"approximate":[88],"closed-form":[89],"solution":[90,103],"shifts,":[94],"which":[95,160],"significantly":[96],"reduces":[97],"obtained":[102],"then":[105],"used":[106],"generate":[108,155],"a":[109],"large":[110],"flat":[112],"beampattern":[113,159],"over":[114],"desired":[116],"frequency":[117],"band":[118],"overcome":[120],"beam":[122],"squint":[123],"effect.":[124],"Through":[125],"numerical":[126],"results,":[127],"validate":[129],"effectiveness":[131],"our":[133],"demonstrate":[138],"how":[139],"it":[140],"can":[141,151],"improve":[142],"communication":[143],"sensing":[145],"performance.":[146],"Furthermore,":[147],"be":[152],"extended":[153],"any":[156],"expected":[157],"frequency-domain":[158],"provides":[161],"valuable":[162],"insights":[163],"into":[164],"novel":[168]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}
