{"id":"https://openalex.org/W4411232406","doi":"https://doi.org/10.1109/plans61210.2025.11028382","title":"Cross Ambiguity Function Resolution Enhancement Using Neural Networks for Direct Position Estimation Computational Cost Reduction","display_name":"Cross Ambiguity Function Resolution Enhancement Using Neural Networks for Direct Position Estimation Computational Cost Reduction","publication_year":2025,"publication_date":"2025-04-28","ids":{"openalex":"https://openalex.org/W4411232406","doi":"https://doi.org/10.1109/plans61210.2025.11028382"},"language":"en","primary_location":{"id":"doi:10.1109/plans61210.2025.11028382","is_oa":false,"landing_page_url":"https://doi.org/10.1109/plans61210.2025.11028382","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE/ION Position, Location and Navigation Symposium (PLANS)","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/A5034761291","display_name":"Haoqing Li","orcid":"https://orcid.org/0000-0001-6953-755X"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Haoqing Li","raw_affiliation_strings":["University of Calgary,Department of Geomatics,Calgary,Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Calgary,Department of Geomatics,Calgary,Canada","institution_ids":["https://openalex.org/I168635309"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017859541","display_name":"Shuo Tang","orcid":"https://orcid.org/0000-0003-4117-1028"},"institutions":[{"id":"https://openalex.org/I111088046","display_name":"Boston University","ror":"https://ror.org/05qwgg493","country_code":"US","type":"education","lineage":["https://openalex.org/I111088046"]},{"id":"https://openalex.org/I12912129","display_name":"Northeastern University","ror":"https://ror.org/04t5xt781","country_code":"US","type":"education","lineage":["https://openalex.org/I12912129"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Shuo Tang","raw_affiliation_strings":["Northeastern University,Department of Electrical and Computer Engineering,Boston,USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Northeastern University,Department of Electrical and Computer Engineering,Boston,USA","institution_ids":["https://openalex.org/I12912129","https://openalex.org/I111088046"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5054160389","display_name":"Kyle O\u2019Keefe","orcid":"https://orcid.org/0000-0003-2123-2372"},"institutions":[{"id":"https://openalex.org/I168635309","display_name":"University of Calgary","ror":"https://ror.org/03yjb2x39","country_code":"CA","type":"education","lineage":["https://openalex.org/I168635309"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Kyle O'Keefe","raw_affiliation_strings":["University of Calgary,Department of Geomatics,Calgary,Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"University of Calgary,Department of Geomatics,Calgary,Canada","institution_ids":["https://openalex.org/I168635309"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5070127242","display_name":"Pau Closas","orcid":"https://orcid.org/0000-0002-5960-6600"},"institutions":[{"id":"https://openalex.org/I111088046","display_name":"Boston University","ror":"https://ror.org/05qwgg493","country_code":"US","type":"education","lineage":["https://openalex.org/I111088046"]},{"id":"https://openalex.org/I12912129","display_name":"Northeastern University","ror":"https://ror.org/04t5xt781","country_code":"US","type":"education","lineage":["https://openalex.org/I12912129"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Pau Closas","raw_affiliation_strings":["Northeastern University,Department of Electrical and Computer Engineering,Boston,USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Northeastern University,Department of Electrical and Computer Engineering,Boston,USA","institution_ids":["https://openalex.org/I12912129","https://openalex.org/I111088046"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.907,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.92761299,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":95,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1107","last_page":"1113"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9958999752998352,"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"}},"topics":[{"id":"https://openalex.org/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9958999752998352,"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9914000034332275,"subfield":{"id":"https://openalex.org/subfields/2206","display_name":"Computational Mechanics"},"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/T10531","display_name":"Advanced Vision and Imaging","score":0.9901999831199646,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.6638177633285522},{"id":"https://openalex.org/keywords/artificial-neural-network","display_name":"Artificial neural network","score":0.595411479473114},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.580056369304657},{"id":"https://openalex.org/keywords/ambiguity-function","display_name":"Ambiguity function","score":0.5682454705238342},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.5628186464309692},{"id":"https://openalex.org/keywords/ambiguity","display_name":"Ambiguity","score":0.47829848527908325},{"id":"https://openalex.org/keywords/function","display_name":"Function (biology)","score":0.4502635598182678},{"id":"https://openalex.org/keywords/resolution","display_name":"Resolution (logic)","score":0.44684192538261414},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.40938013792037964},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.3512580394744873},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.16312658786773682},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12790101766586304},{"id":"https://openalex.org/keywords/radar","display_name":"Radar","score":0.06519696116447449}],"concepts":[{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.6638177633285522},{"id":"https://openalex.org/C50644808","wikidata":"https://www.wikidata.org/wiki/Q192776","display_name":"Artificial neural network","level":2,"score":0.595411479473114},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.580056369304657},{"id":"https://openalex.org/C50878840","wikidata":"https://www.wikidata.org/wiki/Q3206297","display_name":"Ambiguity function","level":4,"score":0.5682454705238342},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.5628186464309692},{"id":"https://openalex.org/C2780522230","wikidata":"https://www.wikidata.org/wiki/Q1140419","display_name":"Ambiguity","level":2,"score":0.47829848527908325},{"id":"https://openalex.org/C14036430","wikidata":"https://www.wikidata.org/wiki/Q3736076","display_name":"Function (biology)","level":2,"score":0.4502635598182678},{"id":"https://openalex.org/C138268822","wikidata":"https://www.wikidata.org/wiki/Q1051925","display_name":"Resolution (logic)","level":2,"score":0.44684192538261414},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.40938013792037964},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.3512580394744873},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.16312658786773682},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12790101766586304},{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.06519696116447449},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0},{"id":"https://openalex.org/C78458016","wikidata":"https://www.wikidata.org/wiki/Q840400","display_name":"Evolutionary biology","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C197424946","wikidata":"https://www.wikidata.org/wiki/Q1165717","display_name":"Waveform","level":3,"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/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/plans61210.2025.11028382","is_oa":false,"landing_page_url":"https://doi.org/10.1109/plans61210.2025.11028382","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2025 IEEE/ION Position, Location and Navigation Symposium (PLANS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320306076","display_name":"National Science Foundation","ror":"https://ror.org/021nxhr62"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":35,"referenced_works":["https://openalex.org/W1573917333","https://openalex.org/W1901129140","https://openalex.org/W2161248118","https://openalex.org/W2301986418","https://openalex.org/W2752194737","https://openalex.org/W2793716893","https://openalex.org/W2970738148","https://openalex.org/W3011677811","https://openalex.org/W3013198257","https://openalex.org/W3034589870","https://openalex.org/W3035320077","https://openalex.org/W3094917826","https://openalex.org/W3096947210","https://openalex.org/W3111211210","https://openalex.org/W3114526460","https://openalex.org/W3139920757","https://openalex.org/W3217005392","https://openalex.org/W4214713171","https://openalex.org/W4221131271","https://openalex.org/W4223438888","https://openalex.org/W4290714437","https://openalex.org/W4310936193","https://openalex.org/W4318817482","https://openalex.org/W4379876697","https://openalex.org/W4379977832","https://openalex.org/W4383753324","https://openalex.org/W4387400760","https://openalex.org/W4391244169","https://openalex.org/W4391805698","https://openalex.org/W4391805706","https://openalex.org/W4392653950","https://openalex.org/W4396523458","https://openalex.org/W4400121331","https://openalex.org/W4403427059","https://openalex.org/W4403427140"],"related_works":["https://openalex.org/W2353179089","https://openalex.org/W2923538289","https://openalex.org/W2353125546","https://openalex.org/W2470643824","https://openalex.org/W4400595174","https://openalex.org/W2349635380","https://openalex.org/W4353089801","https://openalex.org/W2353819554","https://openalex.org/W2359488321","https://openalex.org/W2088231170"],"abstract_inverted_index":{"Conventional":[0],"methods":[1,75,103,119],"for":[2,35,104],"the":[3,36,49,53,70,79,90,93,100,107,111,152,157,162,173,179],"Global":[4],"Navigation":[5],"Satellite":[6],"System":[7],"(GNSS)":[8],"positioning":[9,168,174],"involves":[10],"a":[11,121,143,165],"two-step":[12],"(2SP)":[13],"process,":[14],"where":[15],"intermediate":[16,57],"measurements":[17],"such":[18],"as":[19,176,178],"Doppler":[20],"shift":[21],"and":[22,31,62,110,133,172],"time":[23,181],"delay":[24],"of":[25,124,182],"received":[26],"GNSS":[27],"signals":[28],"are":[29,76],"computed":[30],"then":[32],"used":[33],"to":[34,47,69,82,89,127],"receiver's":[37],"position":[38,50,84,131],"estimation.":[39],"Alternatively,":[40],"Direct":[41],"Position":[42],"Estimation":[43],"(DPE)":[44],"was":[45],"proposed":[46,163],"estimate":[48,83],"directly":[51],"from":[52],"sampled":[54],"signal":[55],"without":[56],"variables,":[58],"providing":[59],"high":[60,137,153],"sensitivity":[61],"reliable":[63],"operation":[64],"in":[65,78,92,156],"challenging":[66],"scenarios.":[67],"Similar":[68],"conventional":[71],"2SP":[72],"method,":[73,116,148],"search":[74,102,114,147,184],"designed":[77],"DPE":[80,105,158],"approach":[81],"by":[85],"searching":[86],"indices":[87],"corresponding":[88],"peak":[91],"joint":[94],"Cross":[95],"Ambiguity":[96],"Function":[97],"(CAF).":[98],"Currently,":[99],"popular":[101],"includes":[106],"grid-based":[108],"method":[109,185],"accelerated":[112],"random":[113],"(ARS)":[115],"but":[117],"both":[118],"need":[120],"large":[122],"set":[123],"candidate":[125],"points":[126],"achieve":[128],"an":[129],"accurate":[130],"estimation":[132],"therefore":[134],"they":[135],"involve":[136],"computational":[138,154],"costs.":[139],"This":[140],"paper":[141],"proposes":[142],"neural":[144],"network":[145],"based":[146],"aiming":[149],"at":[150],"reducing":[151],"cost":[155],"approach.":[159],"To":[160],"validate":[161],"algorithm,":[164],"static":[166],"receiver":[167],"scenario":[169],"is":[170,186],"simulated,":[171],"accuracy":[175],"well":[177],"running":[180],"each":[183],"compared.":[187]},"counts_by_year":[{"year":2026,"cited_by_count":1}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
