{"id":"https://openalex.org/W3141476181","doi":"https://doi.org/10.1186/s13638-020-01885-0","title":"Low complexity channel estimation algorithm using paired spatial signatures for UAV 3D MIMO systems","display_name":"Low complexity channel estimation algorithm using paired spatial signatures for UAV 3D MIMO systems","publication_year":2021,"publication_date":"2021-03-10","ids":{"openalex":"https://openalex.org/W3141476181","doi":"https://doi.org/10.1186/s13638-020-01885-0","mag":"3141476181"},"language":"en","primary_location":{"id":"doi:10.1186/s13638-020-01885-0","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s13638-020-01885-0","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/track/pdf/10.1186/s13638-020-01885-0","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://jwcn-eurasipjournals.springeropen.com/track/pdf/10.1186/s13638-020-01885-0","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5001142411","display_name":"Peizhong Xie","orcid":"https://orcid.org/0000-0002-6099-4882"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Peizhong Xie","raw_affiliation_strings":["Nanjing University of Posts and Telecommunications, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5027718601","display_name":"Yingqing Wan","orcid":"https://orcid.org/0000-0001-7790-9165"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yingqing Wan","raw_affiliation_strings":["Nanjing University of Posts and Telecommunications, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100416909","display_name":"Ting Li","orcid":"https://orcid.org/0000-0003-4034-9760"},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ting Li","raw_affiliation_strings":["Nanjing University of Posts and Telecommunications, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5088182072","display_name":"Renjie Ju","orcid":null},"institutions":[{"id":"https://openalex.org/I41198531","display_name":"Nanjing University of Posts and Telecommunications","ror":"https://ror.org/043bpky34","country_code":"CN","type":"education","lineage":["https://openalex.org/I41198531"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Renjie Ju","raw_affiliation_strings":["Nanjing University of Posts and Telecommunications, Nanjing, China"],"affiliations":[{"raw_affiliation_string":"Nanjing University of Posts and Telecommunications, Nanjing, China","institution_ids":["https://openalex.org/I41198531"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5001142411"],"corresponding_institution_ids":["https://openalex.org/I41198531"],"apc_list":{"value":1140,"currency":"GBP","value_usd":1398},"apc_paid":{"value":1140,"currency":"GBP","value_usd":1398},"fwci":0.1016,"has_fulltext":true,"cited_by_count":1,"citation_normalized_percentile":{"value":0.40659191,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"2021","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994000196456909,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994000196456909,"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/T11133","display_name":"UAV Applications and Optimization","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11946","display_name":"Antenna Design and Optimization","score":0.9976000189781189,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.7138106822967529},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.703821063041687},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.6872382164001465},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6397485733032227},{"id":"https://openalex.org/keywords/rotation","display_name":"Rotation (mathematics)","score":0.5815293788909912},{"id":"https://openalex.org/keywords/planar-array","display_name":"Planar array","score":0.4988257884979248},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.4980125427246094},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.4490007162094116},{"id":"https://openalex.org/keywords/angle-of-arrival","display_name":"Angle of arrival","score":0.42719346284866333},{"id":"https://openalex.org/keywords/dimension","display_name":"Dimension (graph theory)","score":0.41005778312683105},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.31334301829338074},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1880781650543213},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1851087510585785},{"id":"https://openalex.org/keywords/computer-vision","display_name":"Computer vision","score":0.15943875908851624}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7138106822967529},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.703821063041687},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.6872382164001465},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6397485733032227},{"id":"https://openalex.org/C74050887","wikidata":"https://www.wikidata.org/wiki/Q848368","display_name":"Rotation (mathematics)","level":2,"score":0.5815293788909912},{"id":"https://openalex.org/C2775980084","wikidata":"https://www.wikidata.org/wiki/Q4771249","display_name":"Planar array","level":2,"score":0.4988257884979248},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.4980125427246094},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.4490007162094116},{"id":"https://openalex.org/C13545353","wikidata":"https://www.wikidata.org/wiki/Q4763363","display_name":"Angle of arrival","level":3,"score":0.42719346284866333},{"id":"https://openalex.org/C33676613","wikidata":"https://www.wikidata.org/wiki/Q13415176","display_name":"Dimension (graph theory)","level":2,"score":0.41005778312683105},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.31334301829338074},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1880781650543213},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1851087510585785},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.15943875908851624},{"id":"https://openalex.org/C202444582","wikidata":"https://www.wikidata.org/wiki/Q837863","display_name":"Pure mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1186/s13638-020-01885-0","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s13638-020-01885-0","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/track/pdf/10.1186/s13638-020-01885-0","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:8fe5f163b0a64946b35ecd6d3d651978","is_oa":true,"landing_page_url":"https://doaj.org/article/8fe5f163b0a64946b35ecd6d3d651978","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":"EURASIP Journal on Wireless Communications and Networking, Vol 2021, Iss 1, Pp 1-20 (2021)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1186/s13638-020-01885-0","is_oa":true,"landing_page_url":"https://doi.org/10.1186/s13638-020-01885-0","pdf_url":"https://jwcn-eurasipjournals.springeropen.com/track/pdf/10.1186/s13638-020-01885-0","source":{"id":"https://openalex.org/S82675988","display_name":"EURASIP Journal on Wireless Communications and Networking","issn_l":"1687-1472","issn":["1687-1472","1687-1499"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"EURASIP Journal on Wireless Communications and Networking","raw_type":"journal-article"},"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G1231421488","display_name":null,"funder_award_id":"under","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G2087396116","display_name":null,"funder_award_id":"China","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3317480652","display_name":null,"funder_award_id":"Science","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G5994120800","display_name":null,"funder_award_id":"Natural","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6837553313","display_name":null,"funder_award_id":"61771254","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3141476181.pdf","grobid_xml":"https://content.openalex.org/works/W3141476181.grobid-xml"},"referenced_works_count":35,"referenced_works":["https://openalex.org/W1980560153","https://openalex.org/W2001715686","https://openalex.org/W2015301486","https://openalex.org/W2048318885","https://openalex.org/W2049024492","https://openalex.org/W2084229954","https://openalex.org/W2087998432","https://openalex.org/W2091747357","https://openalex.org/W2097234978","https://openalex.org/W2113638573","https://openalex.org/W2128131274","https://openalex.org/W2141682101","https://openalex.org/W2145013959","https://openalex.org/W2147035723","https://openalex.org/W2147601077","https://openalex.org/W2151948222","https://openalex.org/W2162654459","https://openalex.org/W2189368743","https://openalex.org/W2268751503","https://openalex.org/W2343491855","https://openalex.org/W2465979642","https://openalex.org/W2471673817","https://openalex.org/W2490222774","https://openalex.org/W2501970484","https://openalex.org/W2768536521","https://openalex.org/W2782906360","https://openalex.org/W2791093940","https://openalex.org/W2800497398","https://openalex.org/W2800793214","https://openalex.org/W2897059627","https://openalex.org/W2911410130","https://openalex.org/W2944067540","https://openalex.org/W2962907526","https://openalex.org/W2963532871","https://openalex.org/W2964147090"],"related_works":["https://openalex.org/W2548963335","https://openalex.org/W2159941915","https://openalex.org/W1995129237","https://openalex.org/W1761601995","https://openalex.org/W2904599916","https://openalex.org/W4321608401","https://openalex.org/W4300468626","https://openalex.org/W2909457694","https://openalex.org/W2048250263","https://openalex.org/W4379517445"],"abstract_inverted_index":{"Abstract":[0],"This":[1],"paper":[2],"proposes":[3],"a":[4,135,169,286,302],"low":[5],"complexity":[6,295],"channel":[7,46,84,181,227,237,263,275],"estimation":[8,85,264,276],"algorithm":[9,340],"for":[10,86],"unmanned":[11],"aerial":[12],"vehicle":[13],"three":[14],"dimension":[15],"multi-user":[16,87],"multiple-input-multiple-output":[17],"(3D":[18],"MIMO)":[19],"systems":[20],"with":[21,272,310],"the":[22,35,52,55,66,76,101,110,114,126,149,157,164,180,185,195,208,215,225,236,240,249,255,260,268,273,279,289,293,298,315,320,326,330,338],"uniform":[23],"planar":[24],"array":[25,39,42],"(UPA)":[26],"at":[27],"base":[28],"station":[29],"using":[30,89,285],"paired":[31,115,196,217],"spatial":[32,116,151,218],"signatures.":[33],"With":[34],"aid":[36],"of":[37,57,65,92,122,184,203,229,239,278,319],"antenna":[38],"theory":[40],"and":[41,62,79,113,118,171,189,199,220,232,243,254,259,314,329,343],"signal":[43],"processing,":[44],"3D":[45,69,261,280],"is":[47,95,108,265,307,322,341],"firstly":[48],"modeled":[49],"based":[50,139],"on":[51,140],"angles":[53],"between":[54,175],"direction":[56],"arrival":[58],"along":[59],"x":[60,77,187,230,241],"-":[61,78,188,231,242],"y":[63,80,190,233,244],"-axis":[64],"UPA.":[67],"And":[68,212],"MIMO":[70,262,281],"channels":[71],"can":[72],"be":[73],"projected":[74],"onto":[75],"-directions,":[81],"respectively.":[82,211],"Then,":[83],"uplinks":[88],"small":[90],"amount":[91],"training":[93,312],"resources":[94],"divided":[96],"into":[97],"two":[98],"phases.":[99],"At":[100,156],"first":[102],"uplink":[103],"preamble":[104,209],"phase,":[105,210],"each":[106,123,204],"user":[107,124,136,205],"assigned":[109],"orthogonal":[111,172],"pilot,":[112],"signatures":[117,152,198,219,253],"optimal":[119,200,221,256],"rotation":[120,201,222,257],"angle":[121,202,223],"through":[125,267],"same":[127,165],"pilot":[128,166,173,316,332],"sequence":[129,167],"are":[130,177,192,246],"obtained.":[131],"We":[132],"also":[133],"propose":[134],"grouping":[137],"strategy":[138],"three-dimension":[141],"angle-division":[142],"multiple":[143],"access":[144],"(3D-ADMA)":[145],"to":[146,301],"ensure":[147],"that":[148,337],"user's":[150,186,216,251],"do":[153],"not":[154],"overlap.":[155],"second":[158],"phase":[159],"during":[160],"several":[161],"coherence":[162],"times,":[163],"within":[168],"group":[170],"sequences":[174],"groups":[176],"assigned,":[178],"then,":[179],"state":[182],"information":[183],"-directions":[191,245],"recovered":[193],"by":[194,248,325],"space":[197,252],"obtained":[206,226,266],"in":[207],"dynamically":[213],"updating":[214],"utilizes":[224],"parameter":[228,238],"-directions.":[234],"Finally,":[235],"reconstructed":[247],"updated":[250],"angle,":[258],"Kronecker":[269],"product.":[270],"Compared":[271],"conventional":[274],"method":[277],"system":[282,321],"under":[283],"UPA":[284],"low-rank":[287],"model,":[288],"proposed":[290,339],"methods":[291],"reduce":[292],"computational":[294],"without":[296],"degrading":[297],"estimated":[299],"performance":[300],"large":[303],"extent.":[304],"Furthermore,":[305],"it":[306],"carried":[308],"out":[309],"limited":[311],"resources,":[313],"resource":[317],"overhead":[318],"greatly":[323],"reduced":[324],"3D-ADMA":[327],"packet":[328],"two-stage":[331],"allocation.":[333],"Simulation":[334],"results":[335],"verified":[336],"effective":[342],"feasible.":[344]},"counts_by_year":[{"year":2021,"cited_by_count":1}],"updated_date":"2026-04-10T15:06:20.359241","created_date":"2025-10-10T00:00:00"}
