{"id":"https://openalex.org/W2170305633","doi":"https://doi.org/10.1109/wcnc.2009.4917493","title":"A Convergence Study of Iterative Channel Estimation Algorithms for OFDM Systems in Dispersive Time-Varying Channels","display_name":"A Convergence Study of Iterative Channel Estimation Algorithms for OFDM Systems in Dispersive Time-Varying Channels","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2170305633","doi":"https://doi.org/10.1109/wcnc.2009.4917493","mag":"2170305633"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc.2009.4917493","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2009.4917493","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE Wireless Communications and Networking Conference","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/A5110067655","display_name":"Zheng Du","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Zheng Du","raw_affiliation_strings":["&nbsp#TAB#"],"affiliations":[{"raw_affiliation_string":"&nbsp#TAB#","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087779471","display_name":"Xuegui Song","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Xuegui Song","raw_affiliation_strings":["&nbsp#TAB#"],"affiliations":[{"raw_affiliation_string":"&nbsp#TAB#","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045995606","display_name":"Julian Cheng","orcid":"https://orcid.org/0000-0001-6310-8236"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Julian Cheng","raw_affiliation_strings":["&nbsp#TAB#"],"affiliations":[{"raw_affiliation_string":"&nbsp#TAB#","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5038087450","display_name":"Norman C. Beaulieu","orcid":"https://orcid.org/0000-0001-9233-219X"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Norman C. Beaulieu","raw_affiliation_strings":["&nbsp#TAB#"],"affiliations":[{"raw_affiliation_string":"&nbsp#TAB#","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5110067655"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.2991,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.6622832,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":1.0,"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":1.0,"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":0.9998999834060669,"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"}},{"id":"https://openalex.org/T11873","display_name":"PAPR reduction in OFDM","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"}}],"keywords":[{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.7875912189483643},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7569670081138611},{"id":"https://openalex.org/keywords/convergence","display_name":"Convergence (economics)","score":0.7433650493621826},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.7283511161804199},{"id":"https://openalex.org/keywords/iterative-method","display_name":"Iterative method","score":0.6039032936096191},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5973959565162659},{"id":"https://openalex.org/keywords/rate-of-convergence","display_name":"Rate of convergence","score":0.4634058475494385},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.4582589864730835},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.33437037467956543},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.29525473713874817},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2031240165233612},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.12456876039505005}],"concepts":[{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.7875912189483643},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7569670081138611},{"id":"https://openalex.org/C2777303404","wikidata":"https://www.wikidata.org/wiki/Q759757","display_name":"Convergence (economics)","level":2,"score":0.7433650493621826},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.7283511161804199},{"id":"https://openalex.org/C159694833","wikidata":"https://www.wikidata.org/wiki/Q2321565","display_name":"Iterative method","level":2,"score":0.6039032936096191},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5973959565162659},{"id":"https://openalex.org/C57869625","wikidata":"https://www.wikidata.org/wiki/Q1783502","display_name":"Rate of convergence","level":3,"score":0.4634058475494385},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.4582589864730835},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.33437037467956543},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.29525473713874817},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2031240165233612},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.12456876039505005},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C50522688","wikidata":"https://www.wikidata.org/wiki/Q189833","display_name":"Economic growth","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc.2009.4917493","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2009.4917493","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE Wireless Communications and Networking Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":18,"referenced_works":["https://openalex.org/W12096433","https://openalex.org/W394748750","https://openalex.org/W1538844189","https://openalex.org/W1801089468","https://openalex.org/W2064742346","https://openalex.org/W2098374835","https://openalex.org/W2098694510","https://openalex.org/W2103699908","https://openalex.org/W2121564656","https://openalex.org/W2142947498","https://openalex.org/W2146912716","https://openalex.org/W2150127333","https://openalex.org/W2157195543","https://openalex.org/W2160015451","https://openalex.org/W2490749045","https://openalex.org/W2588081979","https://openalex.org/W4248676392","https://openalex.org/W4299343067"],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2351377961","https://openalex.org/W1942228078","https://openalex.org/W314650428","https://openalex.org/W4385270631","https://openalex.org/W2046073294","https://openalex.org/W2086942802","https://openalex.org/W2170408898","https://openalex.org/W4389741222","https://openalex.org/W2164136545"],"abstract_inverted_index":{"Maximum-likelihood":[0],"based":[1],"channel":[2,30,42,63],"estimation":[3,31,43,64],"is":[4,20,45],"considered":[5],"for":[6],"orthogonal":[7],"frequency":[8],"division":[9],"multiplexing":[10],"systems":[11],"in":[12],"dispersive":[13],"time-varying":[14],"channels.":[15],"A":[16],"successive":[17],"overrelaxation":[18],"approach":[19],"adopted":[21],"to":[22,51],"analyze":[23],"the":[24,35,53,56],"convergence":[25],"rate":[26],"of":[27,55],"an":[28,37],"iterative":[29,41],"algorithm.":[32,65],"Based":[33],"on":[34],"analysis,":[36],"improved":[38],"fast":[39],"converging":[40],"algorithm":[44,58],"proposed.":[46],"Numerical":[47],"tests":[48],"are":[49],"performed":[50],"show":[52],"improvement":[54],"proposed":[57,62],"over":[59],"a":[60],"recently":[61]},"counts_by_year":[{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}