iBet uBet web content aggregator. Adding the entire web to your favor.
iBet uBet web content aggregator. Adding the entire web to your favor.



Link to original content: https://api.openalex.org/works/doi:10.4236/CN.2010.24032
{"id":"https://openalex.org/W1972931769","doi":"https://doi.org/10.4236/cn.2010.24032","title":"Optimal Spacing Design for Pilots in OFDM Systems over Multipath Fading Channels","display_name":"Optimal Spacing Design for Pilots in OFDM Systems over Multipath Fading Channels","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W1972931769","doi":"https://doi.org/10.4236/cn.2010.24032","mag":"1972931769"},"language":"en","primary_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.4236/cn.2010.24032","pdf_url":"http://www.scirp.org/journal/PaperDownload.aspx?paperID=3276","source":{"id":"https://openalex.org/S182352310","display_name":"Communications and Network","issn_l":"1947-3826","issn":["1947-3826","1949-2421"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320480","host_organization_name":"Scientific Research Publishing","host_organization_lineage":["https://openalex.org/P4310320480"],"host_organization_lineage_names":["Scientific Research Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true},"type":"article","type_crossref":"journal-article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"http://www.scirp.org/journal/PaperDownload.aspx?paperID=3276","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5090175446","display_name":"Youssefi My Abdelkader","orcid":"https://orcid.org/0000-0002-8600-7056"},"institutions":[],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Youssefi My Abdelkader","raw_affiliation_strings":["Laboratoire d'Electronique et Communication, EMI-Rabat, Morocco"],"affiliations":[{"raw_affiliation_string":"Laboratoire d'Electronique et Communication, EMI-Rabat, Morocco","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085483993","display_name":"El Abbadi Jamal","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"El Abbadi Jamal","raw_affiliation_strings":[],"affiliations":[]}],"institution_assertions":[],"countries_distinct_count":1,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.469,"has_fulltext":true,"fulltext_origin":"pdf","cited_by_count":6,"citation_normalized_percentile":{"value":0.637428,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":81,"max":82},"biblio":{"volume":"02","issue":"04","first_page":"221","last_page":"229"},"is_retracted":false,"is_paratext":false,"primary_topic":{"id":"https://openalex.org/T10125","display_name":"Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing","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":"Multiple-Input Multiple-Output Orthogonal Frequency Division Multiplexing","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":"Efficient Power Control in Wireless Networks","score":0.9997,"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":"Next Generation 5G Wireless Networks","score":0.999,"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/channel-estimation","display_name":"Channel Estimation","score":0.55081},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.515416},{"id":"https://openalex.org/keywords/space-time-coding","display_name":"Space-Time Coding","score":0.504272},{"id":"https://openalex.org/keywords/antenna-selection","display_name":"antenna selection","score":0.501047},{"id":"https://openalex.org/keywords/interpolation","display_name":"Interpolation (computer graphics)","score":0.48671177},{"id":"https://openalex.org/keywords/impulse-response","display_name":"Impulse response","score":0.4551759}],"concepts":[{"id":"https://openalex.org/C161218011","wikidata":"https://www.wikidata.org/wiki/Q11827794","display_name":"Multipath propagation","level":3,"score":0.7676034},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.76110435},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7385748},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.64701384},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.6416079},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5871146},{"id":"https://openalex.org/C164660894","wikidata":"https://www.wikidata.org/wiki/Q2037833","display_name":"Piecewise","level":2,"score":0.5416906},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.52305824},{"id":"https://openalex.org/C137800194","wikidata":"https://www.wikidata.org/wiki/Q11713455","display_name":"Interpolation (computer graphics)","level":3,"score":0.48671177},{"id":"https://openalex.org/C72279823","wikidata":"https://www.wikidata.org/wiki/Q1139726","display_name":"Impulse response","level":2,"score":0.4551759},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4118328},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.22389036},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20840758},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.17746595},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"is_oa":true,"landing_page_url":"https://doi.org/10.4236/cn.2010.24032","pdf_url":"http://www.scirp.org/journal/PaperDownload.aspx?paperID=3276","source":{"id":"https://openalex.org/S182352310","display_name":"Communications and Network","issn_l":"1947-3826","issn":["1947-3826","1949-2421"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320480","host_organization_name":"Scientific Research Publishing","host_organization_lineage":["https://openalex.org/P4310320480"],"host_organization_lineage_names":["Scientific Research Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true}],"best_oa_location":{"is_oa":true,"landing_page_url":"https://doi.org/10.4236/cn.2010.24032","pdf_url":"http://www.scirp.org/journal/PaperDownload.aspx?paperID=3276","source":{"id":"https://openalex.org/S182352310","display_name":"Communications and Network","issn_l":"1947-3826","issn":["1947-3826","1949-2421"],"is_oa":true,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320480","host_organization_name":"Scientific Research Publishing","host_organization_lineage":["https://openalex.org/P4310320480"],"host_organization_lineage_names":["Scientific Research Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true},"sustainable_development_goals":[],"grants":[],"datasets":[],"versions":[],"referenced_works_count":12,"referenced_works":["https://openalex.org/W1811111728","https://openalex.org/W1866955139","https://openalex.org/W1997834106","https://openalex.org/W2046100894","https://openalex.org/W2102653557","https://openalex.org/W2103699908","https://openalex.org/W2114004090","https://openalex.org/W2128835302","https://openalex.org/W2151144578","https://openalex.org/W2183627345","https://openalex.org/W2478116870","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W4252788403","https://openalex.org/W2801592279","https://openalex.org/W2549306799","https://openalex.org/W2376969857","https://openalex.org/W2257001073","https://openalex.org/W2171869298","https://openalex.org/W2107810879","https://openalex.org/W207732638","https://openalex.org/W2034040913","https://openalex.org/W1992602584"],"abstract_inverted_index":{"In":[0,47],"wireless":[1],"orthogonal":[2],"frequency":[3],"division":[4],"multiplexing":[5],"(OFDM)":[6],"systems,":[7],"the":[8,34,44,50,54,62,70,89,97,110,115,124,130,141],"time-varying":[9],"channel":[10,55,63,121,125],"is":[11,29,56,112,127],"often":[12],"estimated":[13],"by":[14],"algorithms":[15],"based":[16,113],"on":[17,114],"pilot":[18,35,76,92],"symbols.":[19],"Such":[20],"an":[21],"estimator,":[22],"however,":[23],"requires":[24],"statistical":[25,51],"prior":[26],"knowledge":[27,52],"that":[28],"not":[30,57],"easily":[31],"obtained.":[32],"Therefore,":[33],"tones":[36],"have":[37],"to":[38,42,59,95],"be":[39],"close":[40],"enough":[41],"fulfill":[43,96],"sampling":[45,98],"theorem.":[46,99],"this":[48],"case":[49],"of":[53,75,91,120,144],"required":[58,94],"reconstruct":[60],"correctly":[61],"impulse":[64],"response":[65],"(CIR).":[66],"This":[67],"paper":[68],"explores":[69],"optimal":[71,80],"placement":[72],"and":[73,86,136],"number":[74,90],"symbols,":[77],"we":[78,87],"investigate":[79],"training":[81],"sequences":[82],"in":[83],"OFDM":[84],"systems":[85],"analyze":[88],"symbols":[93],"Using":[100],"a":[101,105,118],"general":[102],"model":[103],"for":[104],"multipath":[106],"slowly":[107],"fading":[108],"channel,":[109],"approach":[111],"LS":[116],"as":[117],"criterion":[119],"estimation":[122],"while":[123],"interpolation":[126,132],"done":[128],"using":[129],"piecewise-constant":[131],"compromising":[133],"between":[134],"complexity":[135],"performance.":[137],"Simulation":[138],"results":[139],"demonstrate":[140],"good":[142],"performance":[143],"our":[145],"approach.":[146]},"cited_by_api_url":"https://api.openalex.org/works?filter=cites:W1972931769","counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2013,"cited_by_count":2}],"updated_date":"2024-11-24T22:55:16.435159","created_date":"2016-06-24"}