{"id":"https://openalex.org/W4404077888","doi":"https://doi.org/10.1109/lsp.2024.3491020","title":"Gridless Maximum Likelihood One-Bit Direct Position Determination","display_name":"Gridless Maximum Likelihood One-Bit Direct Position Determination","publication_year":2024,"publication_date":"2024-01-01","ids":{"openalex":"https://openalex.org/W4404077888","doi":"https://doi.org/10.1109/lsp.2024.3491020"},"language":"en","primary_location":{"id":"doi:10.1109/lsp.2024.3491020","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2024.3491020","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","raw_type":"journal-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/A5100455215","display_name":"Pan Li","orcid":"https://orcid.org/0000-0003-2430-2241"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Pan Li","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-2430-2241","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100462038","display_name":"Jianfeng Li","orcid":"https://orcid.org/0000-0003-4055-7017"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jianfeng Li","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-4055-7017","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100447052","display_name":"Xiaofei Zhang","orcid":"https://orcid.org/0000-0003-1464-1987"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaofei Zhang","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-1464-1987","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100785103","display_name":"Qihui Wu","orcid":"https://orcid.org/0000-0002-9521-5084"},"institutions":[{"id":"https://openalex.org/I9842412","display_name":"Nanjing University of Aeronautics and Astronautics","ror":"https://ror.org/01scyh794","country_code":"CN","type":"education","lineage":["https://openalex.org/I9842412"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qihui Wu","raw_affiliation_strings":["College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-9521-5084","affiliations":[{"raw_affiliation_string":"College of Electronic and Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China","institution_ids":["https://openalex.org/I9842412"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I9842412"],"apc_list":null,"apc_paid":null,"fwci":2.606,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.90918409,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"31","issue":null,"first_page":"3099","last_page":"3103"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11447","display_name":"Blind Source Separation Techniques","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/1711","display_name":"Signal Processing"},"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/T10500","display_name":"Sparse and Compressive Sensing Techniques","score":0.9868999719619751,"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/T10191","display_name":"Robotics and Sensor-Based Localization","score":0.9812999963760376,"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":0.6017453074455261},{"id":"https://openalex.org/keywords/position","display_name":"Position (finance)","score":0.578540027141571},{"id":"https://openalex.org/keywords/bit","display_name":"Bit (key)","score":0.5319355726242065},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.4381479322910309},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.41857367753982544},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.26003313064575195},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2477443814277649},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.1453869640827179}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6017453074455261},{"id":"https://openalex.org/C198082294","wikidata":"https://www.wikidata.org/wiki/Q3399648","display_name":"Position (finance)","level":2,"score":0.578540027141571},{"id":"https://openalex.org/C117011727","wikidata":"https://www.wikidata.org/wiki/Q1278488","display_name":"Bit (key)","level":2,"score":0.5319355726242065},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.4381479322910309},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.41857367753982544},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.26003313064575195},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2477443814277649},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.1453869640827179},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","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/lsp.2024.3491020","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lsp.2024.3491020","pdf_url":null,"source":{"id":"https://openalex.org/S120629676","display_name":"IEEE Signal Processing Letters","issn_l":"1070-9908","issn":["1070-9908","1558-2361"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Signal Processing Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2114747514","display_name":null,"funder_award_id":"62371227","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3369167640","display_name":null,"funder_award_id":"2023T160312","funder_id":"https://openalex.org/F4320321543","funder_display_name":"China Postdoctoral Science Foundation"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321543","display_name":"China Postdoctoral Science Foundation","ror":"https://ror.org/0426zh255"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W2100758588","https://openalex.org/W2508393166","https://openalex.org/W2535013035","https://openalex.org/W2765955268","https://openalex.org/W2900911809","https://openalex.org/W2963830578","https://openalex.org/W2968139168","https://openalex.org/W3118919547","https://openalex.org/W3193899189","https://openalex.org/W4285224150","https://openalex.org/W4366149108","https://openalex.org/W4383220380","https://openalex.org/W4391097161","https://openalex.org/W4392309271"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2899084033","https://openalex.org/W2748952813","https://openalex.org/W2051487156","https://openalex.org/W2411923897","https://openalex.org/W4394546135","https://openalex.org/W4285347720","https://openalex.org/W4200259850","https://openalex.org/W2333831899","https://openalex.org/W2073681303"],"abstract_inverted_index":{"Direct":[0],"position":[1],"determination":[2],"(DPD)":[3],"(a.k.a.":[4],"direct":[5,26,51],"localization)":[6],"offers":[7],"enhanced":[8],"precision":[9],"over":[10],"traditional":[11],"two-step":[12],"approaches.":[13],"This":[14],"technique,":[15],"however,":[16],"involves":[17],"considerable":[18],"communication":[19],"overhead":[20],"for":[21,49,71,110],"transmitting":[22],"raw":[23],"data.":[24],"Low-bit":[25],"localization":[27,52],"methods":[28],"have":[29],"recently":[30],"been":[31],"introduced":[32,67],"to":[33],"address":[34],"this":[35,38,92],"issue.":[36],"In":[37],"letter,":[39],"we":[40],"present":[41],"a":[42,68,77,96,102],"gridless,":[43],"one-bit":[44],"maximum":[45],"likelihood":[46],"(ML)":[47],"approach":[48,117],"the":[50,72,108,114,126,132],"of":[53],"an":[54],"orthogonal":[55],"frequency":[56],"division":[57],"multiplexing":[58],"(OFDM)":[59],"signal":[60],"source.":[61],"A":[62],"recent":[63],"majorization-minimization":[64],"(MM)":[65],"algorithm":[66,93],"surrogate":[69,98],"function":[70,99],"log-likelihood":[73],"function,":[74],"which":[75],"lacks":[76],"closed-form":[78,103],"optimal":[79,104],"solution":[80],"and":[81,139],"requires":[82],"exhaustive":[83,111],"searches":[84],"at":[85],"each":[86],"iteration.":[87],"Our":[88],"method":[89],"improves":[90],"upon":[91],"by":[94,124],"developing":[95],"refined":[97],"that":[100],"yields":[101],"solution,":[105],"thereby":[106],"eliminating":[107,125],"need":[109],"searches.":[112],"Accordingly,":[113],"proposed":[115,133],"MM":[116],"can":[118],"eliminate":[119],"grid":[120],"quantization":[121],"errors":[122],"(GQE)":[123],"search":[127,147],"process.":[128],"Simulation":[129],"results":[130],"validate":[131],"method's":[134],"efficacy":[135],"in":[136,142],"mitigating":[137],"GQE":[138],"its":[140],"efficiency":[141],"scenarios":[143],"with":[144],"densely":[145],"populated":[146],"grids.":[148]},"counts_by_year":[{"year":2026,"cited_by_count":4},{"year":2025,"cited_by_count":8}],"updated_date":"2026-07-15T18:14:33.161393","created_date":"2025-10-10T00:00:00"}