{"id":"https://openalex.org/W2097530939","doi":"https://doi.org/10.1109/apccas.2008.4746093","title":"Localization and time synchronization in wireless sensor networks: A unified approach","display_name":"Localization and time synchronization in wireless sensor networks: A unified approach","publication_year":2008,"publication_date":"2008-11-01","ids":{"openalex":"https://openalex.org/W2097530939","doi":"https://doi.org/10.1109/apccas.2008.4746093","mag":"2097530939"},"language":"en","primary_location":{"id":"doi:10.1109/apccas.2008.4746093","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2008.4746093","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems","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/A5075490892","display_name":"Jun Zheng","orcid":"https://orcid.org/0000-0003-4941-5613"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Jun Zheng","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Hong Kong, Hong Kong, China","[Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"[Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong]","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085964667","display_name":"Yik\u2010Chung Wu","orcid":"https://orcid.org/0000-0002-2738-0387"},"institutions":[{"id":"https://openalex.org/I889458895","display_name":"University of Hong Kong","ror":"https://ror.org/02zhqgq86","country_code":"HK","type":"education","lineage":["https://openalex.org/I889458895"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yik-Chung Wu","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, University of Hong Kong, Hong Kong, China","[Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, University of Hong Kong, Hong Kong, China","institution_ids":["https://openalex.org/I889458895"]},{"raw_affiliation_string":"[Dept. of Electr. & Electron. Eng., Univ. of Hong Kong, Hong Kong]","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.0351,"has_fulltext":false,"cited_by_count":15,"citation_normalized_percentile":{"value":0.86982527,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":97},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998999834060669,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9998999834060669,"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/T10711","display_name":"Target Tracking and Data Fusion in Sensor Networks","score":0.9987000226974487,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9979000091552734,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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/synchronization","display_name":"Synchronization (alternating current)","score":0.8241232633590698},{"id":"https://openalex.org/keywords/cram\u00e9r\u2013rao-bound","display_name":"Cram\u00e9r\u2013Rao bound","score":0.7541800737380981},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.7375744581222534},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6961374878883362},{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.6517322063446045},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.639641284942627},{"id":"https://openalex.org/keywords/maximum-likelihood","display_name":"Maximum likelihood","score":0.5532962083816528},{"id":"https://openalex.org/keywords/time-synchronization","display_name":"Time synchronization","score":0.4786749482154846},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.4697231352329254},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4559905529022217},{"id":"https://openalex.org/keywords/joint","display_name":"Joint (building)","score":0.4522151052951813},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.4091857671737671},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.33492374420166016},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.28555113077163696},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.20245319604873657},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.19838020205497742},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15856575965881348},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.13902461528778076},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10518312454223633}],"concepts":[{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.8241232633590698},{"id":"https://openalex.org/C4978587","wikidata":"https://www.wikidata.org/wiki/Q1138810","display_name":"Cram\u00e9r\u2013Rao bound","level":3,"score":0.7541800737380981},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.7375744581222534},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6961374878883362},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.6517322063446045},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.639641284942627},{"id":"https://openalex.org/C49781872","wikidata":"https://www.wikidata.org/wiki/Q1045555","display_name":"Maximum likelihood","level":2,"score":0.5532962083816528},{"id":"https://openalex.org/C2986737936","wikidata":"https://www.wikidata.org/wiki/Q1058791","display_name":"Time synchronization","level":2,"score":0.4786749482154846},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.4697231352329254},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4559905529022217},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.4522151052951813},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.4091857671737671},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.33492374420166016},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.28555113077163696},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.20245319604873657},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.19838020205497742},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15856575965881348},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.13902461528778076},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10518312454223633},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"id":"https://openalex.org/C170154142","wikidata":"https://www.wikidata.org/wiki/Q150737","display_name":"Architectural engineering","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/apccas.2008.4746093","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2008.4746093","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"APCCAS 2008 - 2008 IEEE Asia Pacific Conference on Circuits and Systems","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.421.8703","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.421.8703","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.eee.hku.hk/~zhengjun/apccas08.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.984.3410","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.984.3410","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://mirlab.org/conference_papers/International_Conference/ICASSP%202009/pdfs/0002793.pdf","raw_type":"text"},{"id":"pmh:oai:hub.hku.hk:10722/62109","is_oa":false,"landing_page_url":"http://hdl.handle.net/10722/62109","pdf_url":null,"source":{"id":"https://openalex.org/S4377196271","display_name":"The HKU Scholars Hub (University of Hong Kong)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I889458895","host_organization_name":"University of Hong Kong","host_organization_lineage":["https://openalex.org/I889458895"],"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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W1965392255","https://openalex.org/W1968886330","https://openalex.org/W2006805041","https://openalex.org/W2018093989","https://openalex.org/W2081202978","https://openalex.org/W2101764391","https://openalex.org/W2123545369","https://openalex.org/W2140680799","https://openalex.org/W2140728947","https://openalex.org/W2143229717","https://openalex.org/W2149925786","https://openalex.org/W2153587859","https://openalex.org/W2283715726"],"related_works":["https://openalex.org/W2885105415","https://openalex.org/W2585557503","https://openalex.org/W2166939931","https://openalex.org/W2169354510","https://openalex.org/W2031096545","https://openalex.org/W2548702785","https://openalex.org/W1631301428","https://openalex.org/W2103714007","https://openalex.org/W2322793796","https://openalex.org/W2361721963"],"abstract_inverted_index":{"Localization":[0],"and":[1,10,22,61,85,101],"synchronization":[2,87],"are":[3,17,32],"two":[4,15,30,48],"important":[5],"issues":[6],"in":[7,19,26],"communication":[8],"systems":[9],"wireless":[11],"sensor":[12],"networks.":[13],"These":[14],"problems":[16,31,49],"addressed":[18],"many":[20,24],"applications,":[21],"share":[23],"aspects":[25],"common.":[27],"However,":[28],"these":[29,47],"traditionally":[33],"treated":[34],"separately.":[35],"In":[36],"this":[37],"paper,":[38],"we":[39],"present":[40],"a":[41,67],"unified":[42],"framework":[43],"to":[44],"jointly":[45],"solve":[46],"at":[50],"the":[51,82,95,98,109],"same":[52],"time.":[53],"The":[54,77],"maximum":[55,99],"likelihood":[56,100],"joint":[57,83],"estimation":[58],"of":[59,97],"location":[60],"timing":[62],"is":[63,75,88],"firstly":[64],"derived.":[65,90],"Then,":[66],"more":[68],"computationally":[69],"efficient":[70],"two-stage":[71,102],"least":[72,103],"square":[73,104],"method":[74],"proposed.":[76],"Cramer-Rao":[78,110],"lower":[79,111],"bound":[80],"for":[81],"localization":[84],"time":[86],"also":[89],"Simulation":[91],"results":[92],"show":[93],"that":[94],"performances":[96],"estimators":[105],"can":[106],"both":[107],"achieve":[108],"bound.":[112]},"counts_by_year":[{"year":2024,"cited_by_count":1},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
