{"id":"https://openalex.org/W2095756970","doi":"https://doi.org/10.1109/icassp.2009.4960176","title":"Robust 2-D channel estimation for multi-carrier systems with finite dimensional pilot grid","display_name":"Robust 2-D channel estimation for multi-carrier systems with finite dimensional pilot grid","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2095756970","doi":"https://doi.org/10.1109/icassp.2009.4960176","mag":"2095756970"},"language":"en","primary_location":{"id":"doi:10.1109/icassp.2009.4960176","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960176","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","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/A5035362934","display_name":"Muhammad Danish Nisar","orcid":"https://orcid.org/0000-0002-9190-3162"},"institutions":[{"id":"https://openalex.org/I4210159457","display_name":"Nokia (Germany)","ror":"https://ror.org/05nh5td39","country_code":"DE","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I4210159457"]},{"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"]},{"id":"https://openalex.org/I1325886976","display_name":"Siemens (Germany)","ror":"https://ror.org/059mq0909","country_code":"DE","type":"company","lineage":["https://openalex.org/I1325886976"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"M. Danish Nisar","raw_affiliation_strings":["Associate Institute of Signal Processing, Technical University Munich, Munich, Germany","Radio Access, Algorithms & Simulations, Nokia Siemens Networks, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Associate Institute of Signal Processing, Technical University Munich, Munich, Germany","institution_ids":["https://openalex.org/I62916508"]},{"raw_affiliation_string":"Radio Access, Algorithms & Simulations, Nokia Siemens Networks, Munich, Germany","institution_ids":["https://openalex.org/I1325886976","https://openalex.org/I4210159457"]}]},{"author_position":"middle","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":["Associate Institute of Signal Processing, Technical University Munich, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Associate Institute of Signal Processing, Technical University Munich, Munich, Germany","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5064163048","display_name":"Thomas J. Hindelang","orcid":null},"institutions":[{"id":"https://openalex.org/I4210159457","display_name":"Nokia (Germany)","ror":"https://ror.org/05nh5td39","country_code":"DE","type":"company","lineage":["https://openalex.org/I2738502077","https://openalex.org/I4210159457"]},{"id":"https://openalex.org/I1325886976","display_name":"Siemens (Germany)","ror":"https://ror.org/059mq0909","country_code":"DE","type":"company","lineage":["https://openalex.org/I1325886976"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Thomas Hindelang","raw_affiliation_strings":["Radio Access, Algorithms & Simulations, Nokia Siemens Networks, Munich, Germany"],"affiliations":[{"raw_affiliation_string":"Radio Access, Algorithms & Simulations, Nokia Siemens Networks, Munich, Germany","institution_ids":["https://openalex.org/I1325886976","https://openalex.org/I4210159457"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5035362934"],"corresponding_institution_ids":["https://openalex.org/I1325886976","https://openalex.org/I4210159457","https://openalex.org/I62916508"],"apc_list":null,"apc_paid":null,"fwci":1.2183,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.80972079,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"44","issue":null,"first_page":"2685","last_page":"2688"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10125","display_name":"Advanced Wireless Communication Techniques","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/T10931","display_name":"Direction-of-Arrival Estimation Techniques","score":0.9965999722480774,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11233","display_name":"Advanced Adaptive Filtering Techniques","score":0.9943000078201294,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/estimator","display_name":"Estimator","score":0.8357326984405518},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7030276656150818},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.636145830154419},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6294410228729248},{"id":"https://openalex.org/keywords/grid","display_name":"Grid","score":0.5629763007164001},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.5125241279602051},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4811307489871979},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.45408159494400024},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.4343096911907196},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.39107319712638855},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25966814160346985},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12414079904556274},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.12397944927215576}],"concepts":[{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.8357326984405518},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7030276656150818},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.636145830154419},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6294410228729248},{"id":"https://openalex.org/C187691185","wikidata":"https://www.wikidata.org/wiki/Q2020720","display_name":"Grid","level":2,"score":0.5629763007164001},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.5125241279602051},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4811307489871979},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.45408159494400024},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.4343096911907196},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.39107319712638855},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25966814160346985},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12414079904556274},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.12397944927215576},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/icassp.2009.4960176","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icassp.2009.4960176","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE International Conference on Acoustics, Speech and Signal Processing","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.153.8818","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.153.8818","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://sites.google.com/site/mdanishnisar2/Robust2D_ChEst_Nisar_ICASSP2009.pdf?attredirects=0","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.5199999809265137,"display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1546493376","https://openalex.org/W1967073510","https://openalex.org/W2045021643","https://openalex.org/W2049898120","https://openalex.org/W2080847561","https://openalex.org/W2095756970","https://openalex.org/W2139555016","https://openalex.org/W2150127333","https://openalex.org/W2160015451","https://openalex.org/W2296319761","https://openalex.org/W2490749045","https://openalex.org/W4206383846","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W4388081250","https://openalex.org/W1761601995","https://openalex.org/W2904599916","https://openalex.org/W4321608401","https://openalex.org/W4300468626","https://openalex.org/W2909457694","https://openalex.org/W2801210103"],"abstract_inverted_index":{"Pilot-aided":[0],"channel":[1,18,28,61],"estimation":[2],"for":[3,63,66,78,84,127,141],"multi-carrier":[4,64],"systems":[5,65,134],"can":[6],"be":[7],"significantly":[8],"improved":[9],"by":[10,115,163],"exploiting":[11],"time":[12],"and":[13,48],"frequency":[14,19],"correlations":[15],"between":[16],"the":[17,25,37,54,58,67,82,85,100,106,119,125,130,151,154,160,172],"response":[20],"coefficients.":[21],"But":[22],"in":[23,169],"practice,":[24],"knowledge":[26],"of":[27,39,69,73,87,91,109,129,153,171],"correlation":[29,46],"function":[30,47],"is":[31,49,75],"not":[32],"accurately":[33],"available,":[34],"thereby":[35],"necessitating":[36],"need":[38],"an":[40,70,142],"estimator":[41,62,104,131,158],"that":[42],"employs":[43],"a":[44,80,88],"fixed":[45],"robust":[50,60,103,157],"to":[51,105,132],"mismatches":[52],"with":[53],"actual":[55],"one.":[56],"While":[57],"maximally":[59,102,156],"case":[68,86,108],"infinite":[71],"number":[72,90],"observations":[74,92],"well":[76],"known":[77],"almost":[79],"decade,":[81],"one":[83,162],"finite":[89,111],"has":[93],"been":[94],"only":[95],"recently":[96],"proposed.":[97],"We":[98],"extend":[99],"proposed":[101,155],"practical":[107,133],"small":[110],"dimensional":[112],"pilot":[113],"grids":[114],"taking":[116],"into":[117],"account":[118],"grid":[120],"edge":[121],"effects.":[122],"This":[123],"paves":[124],"way":[126],"application":[128],"such":[135],"as":[136,164,166],"3G":[137],"LTE.":[138],"Simulation":[139],"results":[140],"LTE":[143],"uplink":[144],"system":[145],"under":[146],"different":[147],"transmission":[148],"scenarios":[149],"demonstrate":[150],"superiority":[152],"over":[159],"heuristic":[161],"much":[165],"1.35":[167],"dB":[168],"terms":[170],"coded":[173],"BER.":[174]},"counts_by_year":[],"updated_date":"2026-04-04T16:13:02.066488","created_date":"2025-10-10T00:00:00"}