{"id":"https://openalex.org/W4414646908","doi":"https://doi.org/10.1109/vtc2025-spring65109.2025.11174303","title":"Efficient Channel Estimation and Extrapolation for Pattern Reconfigurable Massive MIMO with Low Pilot Signaling Overheads","display_name":"Efficient Channel Estimation and Extrapolation for Pattern Reconfigurable Massive MIMO with Low Pilot Signaling Overheads","publication_year":2025,"publication_date":"2025-06-17","ids":{"openalex":"https://openalex.org/W4414646908","doi":"https://doi.org/10.1109/vtc2025-spring65109.2025.11174303"},"language":"en","primary_location":{"id":"doi:10.1109/vtc2025-spring65109.2025.11174303","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2025-spring65109.2025.11174303","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 101st Vehicular Technology Conference (VTC2025-Spring)","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/A5033408092","display_name":"Mu Liang","orcid":"https://orcid.org/0009-0005-6584-6220"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Mu Liang","raw_affiliation_strings":["School of Information and Communications Engineering, Xi&#x0027;an Jiaotong University,Xi&#x0027;an,China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communications Engineering, Xi&#x0027;an Jiaotong University,Xi&#x0027;an,China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101633245","display_name":"Guorui Wei","orcid":"https://orcid.org/0009-0000-1368-8367"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guorui Wei","raw_affiliation_strings":["School of Information and Communications Engineering, Xi&#x0027;an Jiaotong University,Xi&#x0027;an,China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communications Engineering, Xi&#x0027;an Jiaotong University,Xi&#x0027;an,China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100413583","display_name":"Ang Li","orcid":"https://orcid.org/0000-0001-8235-7596"},"institutions":[{"id":"https://openalex.org/I87445476","display_name":"Xi'an Jiaotong University","ror":"https://ror.org/017zhmm22","country_code":"CN","type":"education","lineage":["https://openalex.org/I87445476"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ang Li","raw_affiliation_strings":["School of Information and Communications Engineering, Xi&#x0027;an Jiaotong University,Xi&#x0027;an,China"],"affiliations":[{"raw_affiliation_string":"School of Information and Communications Engineering, Xi&#x0027;an Jiaotong University,Xi&#x0027;an,China","institution_ids":["https://openalex.org/I87445476"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018070371","display_name":"Fei\u2010Fei Gao","orcid":"https://orcid.org/0000-0002-6900-817X"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Feifei Gao","raw_affiliation_strings":["Tsinghua University,Department of Automation,Beijing,China"],"affiliations":[{"raw_affiliation_string":"Tsinghua University,Department of Automation,Beijing,China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100448724","display_name":"Yonghui Li","orcid":"https://orcid.org/0000-0001-7702-1123"},"institutions":[{"id":"https://openalex.org/I129604602","display_name":"University of Sydney","ror":"https://ror.org/0384j8v12","country_code":"AU","type":"education","lineage":["https://openalex.org/I129604602"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Yonghui Li","raw_affiliation_strings":["School of Electrical and Information Engineering, University of Sydney,Sydney,NSW,Australia"],"affiliations":[{"raw_affiliation_string":"School of Electrical and Information Engineering, University of Sydney,Sydney,NSW,Australia","institution_ids":["https://openalex.org/I129604602"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5033408092"],"corresponding_institution_ids":["https://openalex.org/I87445476"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.25871789,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998000264167786,"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":0.9998000264167786,"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":0.9993000030517578,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9968000054359436,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"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/extrapolation","display_name":"Extrapolation","score":0.7491000294685364},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.7332000136375427},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7095999717712402},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6988999843597412},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6466000080108643},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5547000169754028},{"id":"https://openalex.org/keywords/radiation-pattern","display_name":"Radiation pattern","score":0.42829999327659607},{"id":"https://openalex.org/keywords/singular-value-decomposition","display_name":"Singular value decomposition","score":0.4009000062942505}],"concepts":[{"id":"https://openalex.org/C132459708","wikidata":"https://www.wikidata.org/wiki/Q744069","display_name":"Extrapolation","level":2,"score":0.7491000294685364},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.7332000136375427},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7095999717712402},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6988999843597412},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6466000080108643},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6342999935150146},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5547000169754028},{"id":"https://openalex.org/C151764478","wikidata":"https://www.wikidata.org/wiki/Q571921","display_name":"Radiation pattern","level":3,"score":0.42829999327659607},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.40389999747276306},{"id":"https://openalex.org/C22789450","wikidata":"https://www.wikidata.org/wiki/Q420904","display_name":"Singular value decomposition","level":2,"score":0.4009000062942505},{"id":"https://openalex.org/C131369404","wikidata":"https://www.wikidata.org/wiki/Q7554278","display_name":"Reconfigurable antenna","level":5,"score":0.3962000012397766},{"id":"https://openalex.org/C153385146","wikidata":"https://www.wikidata.org/wiki/Q18335","display_name":"Radiation","level":2,"score":0.35019999742507935},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.34470000863075256},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.32179999351501465},{"id":"https://openalex.org/C62191587","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Antenna array","level":3,"score":0.3190999925136566},{"id":"https://openalex.org/C48103436","wikidata":"https://www.wikidata.org/wiki/Q599031","display_name":"State (computer science)","level":2,"score":0.3147999942302704},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.30640000104904175},{"id":"https://openalex.org/C197264572","wikidata":"https://www.wikidata.org/wiki/Q2095206","display_name":"Pilot signal","level":3,"score":0.28619998693466187},{"id":"https://openalex.org/C165650700","wikidata":"https://www.wikidata.org/wiki/Q4636347","display_name":"3G MIMO","level":4,"score":0.2856000065803528},{"id":"https://openalex.org/C64671776","wikidata":"https://www.wikidata.org/wiki/Q769152","display_name":"Directional antenna","level":3,"score":0.28130000829696655},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.26179999113082886},{"id":"https://openalex.org/C177606310","wikidata":"https://www.wikidata.org/wiki/Q5674297","display_name":"Adaptability","level":2,"score":0.2574000060558319},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.2547999918460846}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vtc2025-spring65109.2025.11174303","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtc2025-spring65109.2025.11174303","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE 101st Vehicular Technology Conference (VTC2025-Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2102696656","display_name":null,"funder_award_id":"2024JC-JCQN-59","funder_id":"https://openalex.org/F4320336565","funder_display_name":"Key Science and Technology Program of Shaanxi Province"},{"id":"https://openalex.org/G2949468633","display_name":null,"funder_award_id":"2024D01","funder_id":"https://openalex.org/F4320324856","funder_display_name":"Southeast University"},{"id":"https://openalex.org/G8929505520","display_name":null,"funder_award_id":"62101422,62371386","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320324856","display_name":"Southeast University","ror":"https://ror.org/04ct4d772"},{"id":"https://openalex.org/F4320336565","display_name":"Key Science and Technology Program of Shaanxi Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W2094523786","https://openalex.org/W2125717624","https://openalex.org/W2172042876","https://openalex.org/W2339667469","https://openalex.org/W2481762450","https://openalex.org/W2518217066","https://openalex.org/W2556081915","https://openalex.org/W2614889182","https://openalex.org/W2883143365","https://openalex.org/W2963145597","https://openalex.org/W2967981090","https://openalex.org/W3013008552","https://openalex.org/W3013594094","https://openalex.org/W3178091145","https://openalex.org/W4387623714","https://openalex.org/W4392309345"],"related_works":[],"abstract_inverted_index":{"Reconfigurable":[0],"antennas":[1,87,102,118,127],"have":[2],"excellent":[3],"dynamic":[4],"adaptability":[5],"to":[6,13,73,111,200],"alter":[7],"their":[8],"operational":[9],"state":[10,31],"in":[11,46,57,97,119],"response":[12],"environmental":[14],"changes,":[15],"and":[16,151,170],"is":[17,144,175],"considered":[18],"as":[19],"one":[20],"potential":[21],"technology":[22],"towards":[23],"future":[24],"communication":[25,51],"systems.":[26,52],"However,":[27],"acquiring":[28],"accurate":[29],"channel":[30,65,142,148,157,168,203],"information":[32,174],"(CSI)":[33],"for":[34,77],"all":[35,78,86,191],"radiation":[36,79,94,115,124,135,192],"patterns":[37,80],"with":[38,194],"low":[39],"pilot":[40,197],"overheads":[41,198],"imposes":[42],"a":[43,62,146,152],"significant":[44],"challenge":[45],"pattern":[47],"reconfigurable":[48],"MIMO":[49],"(PR-MIMO)":[50],"To":[53],"address":[54],"this":[55,58],"issue,":[56],"paper":[59],"we":[60],"propose":[61],"novel":[63],"two-stage":[64],"estimation":[66,204],"approach":[67],"based":[68],"on":[69,163],"antenna":[70],"grouping":[71],"(AG)":[72],"obtain":[74],"the":[75,83,89,92,98,101,104,112,129,133,138,164,167,172,182,188,201],"CSIs":[76],"efficiently.":[81],"In":[82],"first":[84],"stage,":[85,100],"at":[88,103],"transmitter":[90,105],"employ":[91,122,132],"same":[93,130,134],"pattern,":[95],"while":[96,126],"second":[99],"are":[106,160],"divided":[107],"into":[108],"groups":[109,121],"according":[110],"number":[113,140],"of":[114,141,166,190],"patterns,":[116,125,193],"where":[117],"different":[120,123],"within":[128],"group":[131],"pattern.":[136],"When":[137],"exact":[139],"paths":[143,169],"known,":[145],"closed-form":[147],"extrapolation":[149,158],"algorithm":[150,159],"singular":[153],"value":[154,165],"decomposition":[155],"(SVD)-based":[156],"proposed,":[161],"depending":[162],"whether":[171],"angle":[173],"known.":[176],"Extensive":[177],"simulation":[178],"results":[179],"illustrate":[180],"that":[181],"proposed":[183],"algorithms":[184],"can":[185],"accurately":[186],"extrapolate":[187],"CSI":[189],"dramatically":[195],"reduced":[196],"compared":[199],"conventional":[202],"methods.":[205]},"counts_by_year":[],"updated_date":"2026-04-09T08:11:56.329763","created_date":"2025-10-10T00:00:00"}
