{"id":"https://openalex.org/W2162041409","doi":"https://doi.org/10.1109/wts.2007.4563329","title":"A comparative analysis of pilot placement schemes in frequency-selective fast fading MIMO channel","display_name":"A comparative analysis of pilot placement schemes in frequency-selective fast fading MIMO channel","publication_year":2007,"publication_date":"2007-04-01","ids":{"openalex":"https://openalex.org/W2162041409","doi":"https://doi.org/10.1109/wts.2007.4563329","mag":"2162041409"},"language":"en","primary_location":{"id":"doi:10.1109/wts.2007.4563329","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wts.2007.4563329","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 Wireless Telecommunications Symposium","raw_type":"proceedings-article"},"type":"conference-paper","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/A5087010074","display_name":"Xueyuan Zhao","orcid":"https://orcid.org/0000-0001-6335-4920"},"institutions":[{"id":"https://openalex.org/I146617529","display_name":"Applied Science and Technology Research Institute","ror":"https://ror.org/03xmkea05","country_code":"CN","type":"facility","lineage":["https://openalex.org/I146617529"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xueyuan Zhao","raw_affiliation_strings":["Hong Kong Applied Science and Technology Research Institute, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong Applied Science and Technology Research Institute, Hong Kong, China","institution_ids":["https://openalex.org/I146617529"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049524680","display_name":"R.S. Cheng","orcid":"https://orcid.org/0000-0001-6682-6284"},"institutions":[{"id":"https://openalex.org/I146617529","display_name":"Applied Science and Technology Research Institute","ror":"https://ror.org/03xmkea05","country_code":"CN","type":"facility","lineage":["https://openalex.org/I146617529"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Roger S. K. Cheng","raw_affiliation_strings":["Hong Kong Applied Science and Technology Research Institute, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong Applied Science and Technology Research Institute, Hong Kong, China","institution_ids":["https://openalex.org/I146617529"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111980857","display_name":"Danny C. Y. Ong","orcid":null},"institutions":[{"id":"https://openalex.org/I146617529","display_name":"Applied Science and Technology Research Institute","ror":"https://ror.org/03xmkea05","country_code":"CN","type":"facility","lineage":["https://openalex.org/I146617529"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Danny C. Y. Ong","raw_affiliation_strings":["Hong Kong Applied Science and Technology Research Institute, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Hong Kong Applied Science and Technology Research Institute, Hong Kong, China","institution_ids":["https://openalex.org/I146617529"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I146617529"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.28749277,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"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":0.998199999332428,"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/fading","display_name":"Fading","score":0.8536362648010254},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7359664440155029},{"id":"https://openalex.org/keywords/pilot-signal","display_name":"Pilot signal","score":0.6479269862174988},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.631206750869751},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5917607545852661},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5619962215423584},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4787708818912506},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.47285962104797363},{"id":"https://openalex.org/keywords/mimo-ofdm","display_name":"MIMO-OFDM","score":0.47166478633880615},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3584989011287689},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2813957929611206},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.21106520295143127}],"concepts":[{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.8536362648010254},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7359664440155029},{"id":"https://openalex.org/C197264572","wikidata":"https://www.wikidata.org/wiki/Q2095206","display_name":"Pilot signal","level":3,"score":0.6479269862174988},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.631206750869751},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5917607545852661},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5619962215423584},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4787708818912506},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.47285962104797363},{"id":"https://openalex.org/C130946814","wikidata":"https://www.wikidata.org/wiki/Q5988271","display_name":"MIMO-OFDM","level":4,"score":0.47166478633880615},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3584989011287689},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2813957929611206},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.21106520295143127},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","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":3,"locations":[{"id":"doi:10.1109/wts.2007.4563329","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wts.2007.4563329","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 Wireless Telecommunications Symposium","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-99959","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-99959","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"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":"Conference paper"},{"id":"pmh:oai:repository.ust.hk:1783.1-99959","is_oa":false,"landing_page_url":"http://repository.ust.hk/ir/Record/1783.1-99959","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":10,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W1965392255","https://openalex.org/W2023155939","https://openalex.org/W2134400130","https://openalex.org/W2149587304","https://openalex.org/W2158377227","https://openalex.org/W2166873702","https://openalex.org/W2167466178","https://openalex.org/W3148388057","https://openalex.org/W4386342186"],"related_works":["https://openalex.org/W4243590696","https://openalex.org/W2366188968","https://openalex.org/W2159772567","https://openalex.org/W2188042986","https://openalex.org/W2539022530","https://openalex.org/W2738743879","https://openalex.org/W2187587942","https://openalex.org/W2045896346","https://openalex.org/W2136447040","https://openalex.org/W2587782165"],"abstract_inverted_index":{"The":[0,49],"problem":[1],"of":[2,56,63],"pilot":[3,34,40],"placement":[4,41],"for":[5],"channel":[6,19,29],"estimation":[7,30],"in":[8,11,22,45],"time-frequency-space":[9],"lattice":[10],"MIMO-OFDM":[12],"system":[13],"under":[14],"frequency-selective":[15],"fast":[16],"fading":[17],"MIMO":[18],"is":[20],"addressed":[21],"this":[23],"paper.":[24],"Given":[25],"the":[26,57,61],"least":[27],"square":[28,54],"algorithm":[31],"and":[32,51,68,74],"orthogonal":[33],"signal":[35],"format":[36],"design,":[37],"four":[38],"different":[39],"schemes":[42,58],"are":[43],"analyzed":[44],"a":[46],"uniformed":[47],"manner.":[48],"theoretical":[50],"simulated":[52],"mean":[53],"errors":[55],"show":[59],"that,":[60],"scheme":[62],"placing":[64],"pilots":[65],"on":[66],"frequency-equal-spaced":[67],"time-shifted":[69],"subcarriers":[70],"has":[71],"good":[72],"performance":[73],"balanced":[75],"complexity.":[76]},"counts_by_year":[{"year":2017,"cited_by_count":2}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
