{"id":"https://openalex.org/W4410227173","doi":"https://doi.org/10.1109/wcnc61545.2025.10978227","title":"MMSE Channel Estimation in Fading MIMO Gaussian Channels with Blockage: A Novel Lower Bound via Poincare Inequality","display_name":"MMSE Channel Estimation in Fading MIMO Gaussian Channels with Blockage: A Novel Lower Bound via Poincare Inequality","publication_year":2025,"publication_date":"2025-03-24","ids":{"openalex":"https://openalex.org/W4410227173","doi":"https://doi.org/10.1109/wcnc61545.2025.10978227"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc61545.2025.10978227","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc61545.2025.10978227","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://re.public.polimi.it/bitstream/11311/1299709/1/Poincare_conf_WCNC2025.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5108860206","display_name":"Mohammadreza Bakhshizadeh Mohajer","orcid":null},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":true,"raw_author_name":"Mohammadreza Bakhshizadeh Mohajer","raw_affiliation_strings":["Politecnico di Milano,Milano,Italy,20133"],"affiliations":[{"raw_affiliation_string":"Politecnico di Milano,Milano,Italy,20133","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054111453","display_name":"Luca Barletta","orcid":"https://orcid.org/0000-0003-4052-2092"},"institutions":[{"id":"https://openalex.org/I93860229","display_name":"Politecnico di Milano","ror":"https://ror.org/01nffqt88","country_code":"IT","type":"education","lineage":["https://openalex.org/I93860229"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Luca Barletta","raw_affiliation_strings":["Politecnico di Milano,Milano,Italy,20133"],"affiliations":[{"raw_affiliation_string":"Politecnico di Milano,Milano,Italy,20133","institution_ids":["https://openalex.org/I93860229"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009609470","display_name":"Daniela Tuninetti","orcid":"https://orcid.org/0000-0003-1880-4798"},"institutions":[{"id":"https://openalex.org/I39422238","display_name":"University of Illinois Chicago","ror":"https://ror.org/02mpq6x41","country_code":"US","type":"education","lineage":["https://openalex.org/I39422238"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Daniela Tuninetti","raw_affiliation_strings":["University of Illinois Chicago,Chicago,IL,USA,60607"],"affiliations":[{"raw_affiliation_string":"University of Illinois Chicago,Chicago,IL,USA,60607","institution_ids":["https://openalex.org/I39422238"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085449178","display_name":"Alessandro Tomasoni","orcid":"https://orcid.org/0000-0001-6582-4623"},"institutions":[{"id":"https://openalex.org/I4210154781","display_name":"STMicroelectronics (Italy)","ror":"https://ror.org/053bqv655","country_code":"IT","type":"company","lineage":["https://openalex.org/I131827901","https://openalex.org/I4210154781"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Alessandro Tomasoni","raw_affiliation_strings":["STMicroelectronics Srl,Agrate B.za,Italy,20864"],"affiliations":[{"raw_affiliation_string":"STMicroelectronics Srl,Agrate B.za,Italy,20864","institution_ids":["https://openalex.org/I4210154781"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5048863098","display_name":"Daniele Lo Iacono","orcid":null},"institutions":[{"id":"https://openalex.org/I4210154781","display_name":"STMicroelectronics (Italy)","ror":"https://ror.org/053bqv655","country_code":"IT","type":"company","lineage":["https://openalex.org/I131827901","https://openalex.org/I4210154781"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Daniele Lo Iacono","raw_affiliation_strings":["STMicroelectronics Srl,Agrate B.za,Italy,20864"],"affiliations":[{"raw_affiliation_string":"STMicroelectronics Srl,Agrate B.za,Italy,20864","institution_ids":["https://openalex.org/I4210154781"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038990824","display_name":"Fabio Osnato","orcid":null},"institutions":[{"id":"https://openalex.org/I4210154781","display_name":"STMicroelectronics (Italy)","ror":"https://ror.org/053bqv655","country_code":"IT","type":"company","lineage":["https://openalex.org/I131827901","https://openalex.org/I4210154781"]}],"countries":["IT"],"is_corresponding":false,"raw_author_name":"Fabio Osnato","raw_affiliation_strings":["STMicroelectronics Srl,Agrate B.za,Italy,20864"],"affiliations":[{"raw_affiliation_string":"STMicroelectronics Srl,Agrate B.za,Italy,20864","institution_ids":["https://openalex.org/I4210154781"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5108860206"],"corresponding_institution_ids":["https://openalex.org/I93860229"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.08441404,"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":0.9990000128746033,"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":0.9990000128746033,"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":0.9980000257492065,"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":0.9915000200271606,"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/fading","display_name":"Fading","score":0.804126501083374},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6038759350776672},{"id":"https://openalex.org/keywords/gaussian","display_name":"Gaussian","score":0.5624982714653015},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5497857928276062},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.46961408853530884},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4634333550930023},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.4509047567844391},{"id":"https://openalex.org/keywords/poincar\u00e9-inequality","display_name":"Poincar\u00e9 inequality","score":0.435763418674469},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4028811454772949},{"id":"https://openalex.org/keywords/applied-mathematics","display_name":"Applied mathematics","score":0.3585399389266968},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.35498905181884766},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3116300106048584},{"id":"https://openalex.org/keywords/inequality","display_name":"Inequality","score":0.27663540840148926},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.19854724407196045},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.16139936447143555},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.09730717539787292}],"concepts":[{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.804126501083374},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6038759350776672},{"id":"https://openalex.org/C163716315","wikidata":"https://www.wikidata.org/wiki/Q901177","display_name":"Gaussian","level":2,"score":0.5624982714653015},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5497857928276062},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.46961408853530884},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4634333550930023},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.4509047567844391},{"id":"https://openalex.org/C164506360","wikidata":"https://www.wikidata.org/wiki/Q1751496","display_name":"Poincar\u00e9 inequality","level":3,"score":0.435763418674469},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4028811454772949},{"id":"https://openalex.org/C28826006","wikidata":"https://www.wikidata.org/wiki/Q33521","display_name":"Applied mathematics","level":1,"score":0.3585399389266968},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.35498905181884766},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3116300106048584},{"id":"https://openalex.org/C45555294","wikidata":"https://www.wikidata.org/wiki/Q28113351","display_name":"Inequality","level":2,"score":0.27663540840148926},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.19854724407196045},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.16139936447143555},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.09730717539787292},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","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":2,"locations":[{"id":"doi:10.1109/wcnc61545.2025.10978227","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc61545.2025.10978227","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"},{"id":"pmh:oai:re.public.polimi.it:11311/1299709","is_oa":true,"landing_page_url":"https://hdl.handle.net/11311/1299709","pdf_url":"https://re.public.polimi.it/bitstream/11311/1299709/1/Poincare_conf_WCNC2025.pdf","source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"}],"best_oa_location":{"id":"pmh:oai:re.public.polimi.it:11311/1299709","is_oa":true,"landing_page_url":"https://hdl.handle.net/11311/1299709","pdf_url":"https://re.public.polimi.it/bitstream/11311/1299709/1/Poincare_conf_WCNC2025.pdf","source":{"id":"https://openalex.org/S4306400312","display_name":"Virtual Community of Pathological Anatomy (University of Castilla La Mancha)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I79189158","host_organization_name":"University of Castilla-La Mancha","host_organization_lineage":["https://openalex.org/I79189158"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"info:eu-repo/semantics/conferenceObject"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":false},"content_urls":{"pdf":"https://content.openalex.org/works/W4410227173.pdf"},"referenced_works_count":7,"referenced_works":["https://openalex.org/W1590636096","https://openalex.org/W2770528759","https://openalex.org/W3207166379","https://openalex.org/W4236312485","https://openalex.org/W4322576484","https://openalex.org/W4379983385","https://openalex.org/W4391454495"],"related_works":["https://openalex.org/W2327053383","https://openalex.org/W2356834760","https://openalex.org/W1964600846","https://openalex.org/W2127563499","https://openalex.org/W2120897947","https://openalex.org/W2030191005","https://openalex.org/W1865172210","https://openalex.org/W2027568561","https://openalex.org/W2790025453","https://openalex.org/W1521521035"],"abstract_inverted_index":{"Integrated":[0],"sensing":[1,21],"and":[2,22,35,97,107],"communication":[3],"is":[4,58,72,95,117],"regarded":[5],"as":[6,61],"a":[7,62,86,92],"key":[8],"enabler":[9],"for":[10,19],"next-generation":[11],"wireless":[12],"networks.":[13],"To":[14,82],"optimize":[15],"the":[16,38,47,51,53,66,70,108,111],"transmitted":[17],"waveform":[18],"both":[20],"commu-nication,":[23],"various":[24],"performance":[25],"metrics":[26],"must":[27],"be":[28],"considered.":[29],"This":[30],"work":[31],"focuses":[32],"on":[33,37,65,91],"sensing,":[34],"specifically":[36],"mean":[39],"square":[40],"error":[41],"(MSE)":[42],"of":[43,49,110],"channel":[44],"estimation.":[45],"Given":[46],"complexity":[48],"deriving":[50],"MSE,":[52],"Bayesian":[54],"Cramer-Rae":[55],"Bound":[56],"(BCRB)":[57],"commonly":[59],"recognized":[60],"lower":[63,88,112],"bound":[64,89,113],"minimum":[67],"MSE.":[68],"However,":[69],"BCRB":[71],"not":[73],"applicable":[74],"to":[75,99],"channels":[76,103],"with":[77,104],"discrete":[78],"or":[79],"mixed":[80],"distributions.":[81],"address":[83],"this":[84],"limitation,":[85],"new":[87],"based":[90],"Poincare":[93],"inequality":[94],"proposed":[96],"applied":[98],"fading":[100],"MIMO":[101],"AWGN":[102],"blockage":[105],"probability,":[106],"behavior":[109],"at":[114],"high":[115],"SNR":[116],"precisely":[118],"characterized.":[119]},"counts_by_year":[],"updated_date":"2026-03-11T14:59:36.786465","created_date":"2025-10-10T00:00:00"}
