{"id":"https://openalex.org/W1764623121","doi":"https://doi.org/10.1155/2015/892151","title":"Energy Efficient Doppler Assisted Channel Estimation for Highly Mobile OFDM Systems","display_name":"Energy Efficient Doppler Assisted Channel Estimation for Highly Mobile OFDM Systems","publication_year":2015,"publication_date":"2015-09-01","ids":{"openalex":"https://openalex.org/W1764623121","doi":"https://doi.org/10.1155/2015/892151","mag":"1764623121"},"language":"en","primary_location":{"id":"doi:10.1155/2015/892151","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2015/892151","pdf_url":null,"source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.1155/2015/892151","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5033237225","display_name":"Mateen Ashraf","orcid":"https://orcid.org/0000-0001-5013-8567"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Mateen Ashraf","raw_affiliation_strings":["Department of Information and Communication Engineering, Sejong University, Seoul 143-747, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Engineering, Sejong University, Seoul 143-747, Republic of Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101526081","display_name":"Adnan Shahid","orcid":"https://orcid.org/0000-0003-1417-9032"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Adnan Shahid","raw_affiliation_strings":["Department of Information and Communication Engineering, Sejong University, Seoul 143-747, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Engineering, Sejong University, Seoul 143-747, Republic of Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060557574","display_name":"Woon-Young Yeo","orcid":"https://orcid.org/0000-0003-4385-1393"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Woon-Young Yeo","raw_affiliation_strings":["Department of Information and Communication Engineering, Sejong University, Seoul 143-747, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Engineering, Sejong University, Seoul 143-747, Republic of Korea","institution_ids":["https://openalex.org/I28777354"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042878480","display_name":"Kyung\u2010Geun Lee","orcid":"https://orcid.org/0000-0002-8317-8124"},"institutions":[{"id":"https://openalex.org/I28777354","display_name":"Sejong University","ror":"https://ror.org/00aft1q37","country_code":"KR","type":"education","lineage":["https://openalex.org/I28777354"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Kyung-Geun Lee","raw_affiliation_strings":["Department of Information and Communication Engineering, Sejong University, Seoul 143-747, Republic of Korea"],"affiliations":[{"raw_affiliation_string":"Department of Information and Communication Engineering, Sejong University, Seoul 143-747, Republic of Korea","institution_ids":["https://openalex.org/I28777354"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5033237225"],"corresponding_institution_ids":["https://openalex.org/I28777354"],"apc_list":{"value":2200,"currency":"USD","value_usd":2200},"apc_paid":{"value":2200,"currency":"USD","value_usd":2200},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.04128649,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"11","issue":"9","first_page":"892151","last_page":"892151"},"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":1.0,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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/computer-science","display_name":"Computer science","score":0.8213506937026978},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.799429178237915},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.7336298227310181},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.5531415939331055},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5401396751403809},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5168972015380859},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.5094555020332336},{"id":"https://openalex.org/keywords/doppler-effect","display_name":"Doppler effect","score":0.5032503008842468},{"id":"https://openalex.org/keywords/doppler-frequency","display_name":"Doppler frequency","score":0.4401343762874603},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3881998360157013},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3039323091506958},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.16559696197509766},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.12184861302375793}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8213506937026978},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.799429178237915},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.7336298227310181},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.5531415939331055},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5401396751403809},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5168972015380859},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.5094555020332336},{"id":"https://openalex.org/C142757262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler effect","level":2,"score":0.5032503008842468},{"id":"https://openalex.org/C2988629262","wikidata":"https://www.wikidata.org/wiki/Q76436","display_name":"Doppler frequency","level":3,"score":0.4401343762874603},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3881998360157013},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3039323091506958},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.16559696197509766},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.12184861302375793},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1155/2015/892151","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2015/892151","pdf_url":null,"source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},{"id":"pmh:oai:RePEc:sae:intdis:v:11:y:2015:i:9:p:892151","is_oa":false,"landing_page_url":"https://journals.sagepub.com/doi/10.1155/2015/892151","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:doaj.org/article:77f9c2823c0f4b38a748d780254ce3f8","is_oa":true,"landing_page_url":"https://doaj.org/article/77f9c2823c0f4b38a748d780254ce3f8","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Distributed Sensor Networks, Vol 11 (2015)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1155/2015/892151","is_oa":true,"landing_page_url":"https://doi.org/10.1155/2015/892151","pdf_url":null,"source":{"id":"https://openalex.org/S64417657","display_name":"International Journal of Distributed Sensor Networks","issn_l":"1550-1329","issn":["1550-1329","1550-1477"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319869","host_organization_name":"Hindawi Publishing Corporation","host_organization_lineage":["https://openalex.org/P4310319869"],"host_organization_lineage_names":["Hindawi Publishing Corporation"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International Journal of Distributed Sensor Networks","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.9100000262260437,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":27,"referenced_works":["https://openalex.org/W74764174","https://openalex.org/W250076511","https://openalex.org/W1525535255","https://openalex.org/W1596939795","https://openalex.org/W2011460824","https://openalex.org/W2015846669","https://openalex.org/W2017297107","https://openalex.org/W2046553641","https://openalex.org/W2055159224","https://openalex.org/W2062006333","https://openalex.org/W2079729664","https://openalex.org/W2098257653","https://openalex.org/W2111819913","https://openalex.org/W2114112123","https://openalex.org/W2114274105","https://openalex.org/W2117014495","https://openalex.org/W2117798913","https://openalex.org/W2119582085","https://openalex.org/W2131946489","https://openalex.org/W2136375591","https://openalex.org/W2138824526","https://openalex.org/W2145291641","https://openalex.org/W2151811524","https://openalex.org/W2157254146","https://openalex.org/W2164789291","https://openalex.org/W2169436367","https://openalex.org/W2484659212"],"related_works":["https://openalex.org/W4243590696","https://openalex.org/W2983700505","https://openalex.org/W2358793249","https://openalex.org/W2381293607","https://openalex.org/W2024117748","https://openalex.org/W2539669194","https://openalex.org/W2126060576","https://openalex.org/W1979442774","https://openalex.org/W2359526864","https://openalex.org/W2354031205"],"abstract_inverted_index":{"The":[0,96],"complexity":[1,22],"of":[2,7,23,33,49,78],"channel":[3,28,38,66,82],"estimation":[4,29,83],"algorithms":[5,30],"is":[6,122],"critical":[8],"importance":[9],"in":[10,63,89,92],"high":[11],"mobility":[12],"orthogonal":[13],"frequency":[14],"division":[15],"multiplexing":[16],"(OFDM)":[17],"systems.":[18],"To":[19],"reduce":[20],"the":[21,24,26,34,37,47,50,53,61,76,93,101,119],"algorithm,":[25],"existing":[27],"take":[31,44],"advantage":[32],"correlations":[35,51],"between":[36,65],"coefficients.":[39],"However,":[40],"they":[41],"do":[42],"not":[43],"into":[45],"account":[46],"variations":[48],"with":[52],"delay":[54,70],"tap.":[55],"In":[56],"this":[57],"paper,":[58],"we":[59],"consider":[60],"change":[62],"correlation":[64],"coefficients":[67],"for":[68,81,110],"different":[69],"taps.":[71],"By":[72],"considering":[73],"these":[74],"variations,":[75],"number":[77],"computations":[79],"needed":[80],"can":[84],"be":[85],"decreased.":[86],"This":[87],"results":[88,98],"a":[90],"reduction":[91],"circuit":[94],"energy.":[95],"simulation":[97],"show":[99],"that":[100],"proposed":[102],"scheme":[103],"consumes":[104],"less":[105,113],"total":[106],"energy":[107],"per":[108],"bit":[109],"transmission":[111],"distances":[112],"than":[114],"about":[115],"170":[116],"m":[117],"when":[118],"mobile":[120],"speed":[121],"324":[123],"Kmph.":[124]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
