{"id":"https://openalex.org/W4409257658","doi":"https://doi.org/10.1109/twc.2025.3556788","title":"Ziv-Zakai-Optimal OFDM Resource Allocation for Time-of-Arrival Estimation","display_name":"Ziv-Zakai-Optimal OFDM Resource Allocation for Time-of-Arrival Estimation","publication_year":2025,"publication_date":"2025-04-08","ids":{"openalex":"https://openalex.org/W4409257658","doi":"https://doi.org/10.1109/twc.2025.3556788"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2025.3556788","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3556788","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","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/A5031795100","display_name":"Andrew Graff","orcid":"https://orcid.org/0000-0002-4369-7552"},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Andrew M. Graff","raw_affiliation_strings":["Department of Electrical and Computer Engineering, University of Texas at Austin, Austin, TX, USA","Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX, USA"],"raw_orcid":"https://orcid.org/0000-0002-4369-7552","affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, University of Texas at Austin, Austin, TX, USA","institution_ids":["https://openalex.org/I86519309"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering, The University of Texas at Austin, Austin, TX, USA","institution_ids":["https://openalex.org/I86519309"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026955319","display_name":"Todd E. Humphreys","orcid":"https://orcid.org/0000-0003-0749-6988"},"institutions":[{"id":"https://openalex.org/I86519309","display_name":"The University of Texas at Austin","ror":"https://ror.org/00hj54h04","country_code":"US","type":"education","lineage":["https://openalex.org/I86519309"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Todd E. Humphreys","raw_affiliation_strings":["Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, TX, USA"],"raw_orcid":"https://orcid.org/0000-0003-0749-6988","affiliations":[{"raw_affiliation_string":"Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, TX, USA","institution_ids":["https://openalex.org/I86519309"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5031795100"],"corresponding_institution_ids":["https://openalex.org/I86519309"],"apc_list":null,"apc_paid":null,"fwci":3.4063,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.9215549,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":96,"max":99},"biblio":{"volume":"24","issue":"8","first_page":"6886","last_page":"6901"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12146","display_name":"Power Line Communications and Noise","score":0.9988999962806702,"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/T12146","display_name":"Power Line Communications and Noise","score":0.9988999962806702,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9927999973297119,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9902999997138977,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6924590468406677},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6341902613639832},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.5634058713912964},{"id":"https://openalex.org/keywords/time-of-arrival","display_name":"Time of arrival","score":0.5095779895782471},{"id":"https://openalex.org/keywords/estimation","display_name":"Estimation","score":0.486698180437088},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.41093194484710693},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.38312414288520813},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.3255377411842346},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.27777495980262756},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.21421587467193604},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.19939857721328735},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.18648988008499146},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08882322907447815}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6924590468406677},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6341902613639832},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.5634058713912964},{"id":"https://openalex.org/C163150518","wikidata":"https://www.wikidata.org/wiki/Q4135208","display_name":"Time of arrival","level":3,"score":0.5095779895782471},{"id":"https://openalex.org/C96250715","wikidata":"https://www.wikidata.org/wiki/Q965330","display_name":"Estimation","level":2,"score":0.486698180437088},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.41093194484710693},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.38312414288520813},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.3255377411842346},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.27777495980262756},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.21421587467193604},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.19939857721328735},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.18648988008499146},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08882322907447815},{"id":"https://openalex.org/C201995342","wikidata":"https://www.wikidata.org/wiki/Q682496","display_name":"Systems engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2025.3556788","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2025.3556788","pdf_url":null,"source":{"id":"https://openalex.org/S63459445","display_name":"IEEE Transactions on Wireless Communications","issn_l":"1536-1276","issn":["1536-1276","1558-2248"],"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 Transactions on Wireless Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/8","score":0.41999998688697815,"display_name":"Decent work and economic growth"}],"awards":[{"id":"https://openalex.org/G7848206821","display_name":null,"funder_award_id":"69A3552348327","funder_id":"https://openalex.org/F4320306108","funder_display_name":"U.S. Department of Transportation"}],"funders":[{"id":"https://openalex.org/F4320306108","display_name":"U.S. Department of Transportation","ror":"https://ror.org/02xfw2e90"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W3097525855","https://openalex.org/W2125564215","https://openalex.org/W4391741972","https://openalex.org/W1986382998","https://openalex.org/W2517776947","https://openalex.org/W2084482193","https://openalex.org/W2972611783","https://openalex.org/W2126075151"],"abstract_inverted_index":{"This":[0,67],"paper":[1,68],"presents":[2],"methods":[3],"of":[4,11,81,107],"optimizing":[5],"the":[6,40,53,63,70,79,105,108,118],"placement":[7],"and":[8,28,89,93,99,127,145,153],"power":[9,27],"allocations":[10,77,139],"pilots":[12],"in":[13,34,52,78,166],"an":[14],"orthogonal":[15],"frequency-division":[16],"multiplexing":[17],"(OFDM)":[18],"signal":[19],"to":[20,72,112,162],"minimize":[21],"time-of-arrival":[22],"(TOA)":[23],"estimation":[24],"errors":[25,33],"under":[26,84,90,115],"resource":[29,86],"allocation":[30,87],"constraints.":[31],"TOA":[32,159],"this":[35],"optimization":[36,106,119],"are":[37,59,140],"quantified":[38],"through":[39],"Ziv-Zakai":[41],"bound":[42],"(ZZB),":[43],"which":[44,58],"captures":[45],"error":[46],"thresholding":[47],"effects":[48],"caused":[49],"by":[50,62,123,142],"sidelobes":[51],"signal\u2019s":[54],"autocorrelation":[55],"function":[56],"(ACF)":[57],"not":[60],"captured":[61],"Cramer-Rao":[64],"lower":[65,121],"bound.":[66],"is":[69,110,120,131],"first":[71],"solve":[73],"for":[74,96,133],"these":[75],"ZZB-optimal":[76],"context":[80],"OFDM":[82],"signals,":[83],"integer":[85,116],"constraints,":[88,104,117],"both":[91,97],"coherent":[92],"noncoherent":[94],"reception":[95],"frequency-flat":[98],"frequency-selective":[100],"channels.":[101],"Under":[102],"convex":[103,125],"ZZB":[109],"proven":[111],"be":[113],"convex;":[114],"bounded":[122],"a":[124,128,149,156],"relaxation":[126],"branch-and-bound":[129],"algorithm":[130],"proposed":[132],"efficiently":[134],"allocating":[135],"pilot":[136],"resources.":[137],"These":[138],"evaluated":[141],"their":[143,164],"ZZBs":[144],"ACFs,":[146],"compared":[147],"against":[148],"typical":[150],"uniform":[151],"allocation,":[152],"deployed":[154],"on":[155],"software-defined":[157],"radio":[158],"measurement":[160],"platform":[161],"demonstrate":[163],"applicability":[165],"real-world":[167],"systems.":[168]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":3}],"updated_date":"2026-05-28T09:10:13.091523","created_date":"2025-10-10T00:00:00"}