{"id":"https://openalex.org/W1980102475","doi":"https://doi.org/10.1109/wcnc.2010.5506581","title":"Simultaneous Localization and Time Synchronization in Wireless Sensor Networks via Semidefinite Programming","display_name":"Simultaneous Localization and Time Synchronization in Wireless Sensor Networks via Semidefinite Programming","publication_year":2010,"publication_date":"2010-04-01","ids":{"openalex":"https://openalex.org/W1980102475","doi":"https://doi.org/10.1109/wcnc.2010.5506581","mag":"1980102475"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc.2010.5506581","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2010.5506581","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE Wireless Communication and Networking Conference","raw_type":"proceedings-article"},"type":"conference-paper","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/A5013565299","display_name":"Victoria Ying Zhang","orcid":null},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Victoria Ying Zhang","raw_affiliation_strings":["Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong, China","[Dept. of Electron. & Comput. Eng., Hong Kong Univ. of Sci. & Technol., Hong Kong, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"[Dept. of Electron. & Comput. Eng., Hong Kong Univ. of Sci. & Technol., Hong Kong, China]","institution_ids":["https://openalex.org/I200769079"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5042601939","display_name":"Albert Kai-Sun Wong","orcid":"https://orcid.org/0000-0001-7923-5854"},"institutions":[{"id":"https://openalex.org/I200769079","display_name":"Hong Kong University of Science and Technology","ror":"https://ror.org/00q4vv597","country_code":"HK","type":"education","lineage":["https://openalex.org/I200769079"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Albert Kai-sun Wong","raw_affiliation_strings":["Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong, China","[Dept. of Electron. & Comput. Eng., Hong Kong Univ. of Sci. & Technol., Hong Kong, China]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Hong Kong, China","institution_ids":["https://openalex.org/I200769079"]},{"raw_affiliation_string":"[Dept. of Electron. & Comput. Eng., Hong Kong Univ. of Sci. & Technol., Hong Kong, China]","institution_ids":["https://openalex.org/I200769079"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I200769079"],"apc_list":null,"apc_paid":null,"fwci":0.4451,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.52436033,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"4","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":1.0,"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":1.0,"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/T10080","display_name":"Energy Efficient Wireless Sensor Networks","score":0.9991999864578247,"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9976999759674072,"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/semidefinite-programming","display_name":"Semidefinite programming","score":0.9016981720924377},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.7770856618881226},{"id":"https://openalex.org/keywords/beacon","display_name":"Beacon","score":0.7671197652816772},{"id":"https://openalex.org/keywords/cram\u00e9r\u2013rao-bound","display_name":"Cram\u00e9r\u2013Rao bound","score":0.7375118732452393},{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.7118362188339233},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6980879306793213},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6815487742424011},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.585578441619873},{"id":"https://openalex.org/keywords/time-synchronization","display_name":"Time synchronization","score":0.5174561142921448},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.46259206533432007},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.401419460773468},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.36977702379226685},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3393072783946991},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.22345268726348877},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2070167362689972},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.13356706500053406},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.12128216028213501}],"concepts":[{"id":"https://openalex.org/C101901036","wikidata":"https://www.wikidata.org/wiki/Q2269096","display_name":"Semidefinite programming","level":2,"score":0.9016981720924377},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.7770856618881226},{"id":"https://openalex.org/C102168758","wikidata":"https://www.wikidata.org/wiki/Q7321258","display_name":"Beacon","level":2,"score":0.7671197652816772},{"id":"https://openalex.org/C4978587","wikidata":"https://www.wikidata.org/wiki/Q1138810","display_name":"Cram\u00e9r\u2013Rao bound","level":3,"score":0.7375118732452393},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.7118362188339233},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6980879306793213},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6815487742424011},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.585578441619873},{"id":"https://openalex.org/C2986737936","wikidata":"https://www.wikidata.org/wiki/Q1058791","display_name":"Time synchronization","level":2,"score":0.5174561142921448},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.46259206533432007},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.401419460773468},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.36977702379226685},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3393072783946991},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.22345268726348877},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2070167362689972},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.13356706500053406},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.12128216028213501},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0},{"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/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/wcnc.2010.5506581","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2010.5506581","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2010 IEEE Wireless Communication and Networking Conference","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.hkust.edu.hk:1783.1-27423","is_oa":false,"landing_page_url":"http://repository.hkust.edu.hk/ir/Record/1783.1-27423","pdf_url":null,"source":{"id":"https://openalex.org/S4306401796","display_name":"Rare & Special e-Zone (The Hong Kong University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I200769079","host_organization_name":"Hong Kong University of Science and Technology","host_organization_lineage":["https://openalex.org/I200769079"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference paper"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.8600000143051147}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":23,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W1964730816","https://openalex.org/W1965392255","https://openalex.org/W1967073510","https://openalex.org/W1985593102","https://openalex.org/W1999913571","https://openalex.org/W2049444669","https://openalex.org/W2064202039","https://openalex.org/W2081202978","https://openalex.org/W2097530939","https://openalex.org/W2103420863","https://openalex.org/W2104468797","https://openalex.org/W2110662909","https://openalex.org/W2116577850","https://openalex.org/W2120350100","https://openalex.org/W2125172345","https://openalex.org/W2140603325","https://openalex.org/W2143229717","https://openalex.org/W2144142570","https://openalex.org/W2149925786","https://openalex.org/W2296319761","https://openalex.org/W4250589301","https://openalex.org/W6680921734"],"related_works":["https://openalex.org/W2106845956","https://openalex.org/W3158435160","https://openalex.org/W2112938119","https://openalex.org/W2101178385","https://openalex.org/W2790129070","https://openalex.org/W2132294172","https://openalex.org/W1969419490","https://openalex.org/W4285066106","https://openalex.org/W2103817491","https://openalex.org/W2631365318"],"abstract_inverted_index":{"For":[0],"Wireless":[1],"Sensor":[2,66],"Networks":[3],"(WSNs),":[4],"utilizing":[5],"the":[6,57,61,93,96,110,115],"same":[7,62],"set":[8],"of":[9,74,95],"measurement":[10],"data":[11],"for":[12,21],"simultaneous":[13],"localization":[14,33],"and":[15,29,34,71,100,104,114],"time":[16,35],"synchronization":[17,36],"is":[18,84],"potentially":[19],"useful":[20],"achieving":[22],"higher":[23],"estimation":[24],"accuracy,":[25],"lower":[26],"communication":[27],"overhead":[28],"power":[30],"consumption.":[31],"However,":[32],"are":[37,77,89],"traditionally":[38],"treated":[39],"as":[40],"two":[41,58],"separate":[42],"problems.":[43],"In":[44],"this":[45],"paper,":[46],"we":[47],"propose":[48],"to":[49,54,91],"use":[50],"Semidefinite":[51],"Programming":[52],"(SDP)":[53],"jointly":[55],"solve":[56],"problems":[59],"at":[60],"time.":[63],"Two":[64],"scenarios,":[65],"Nodes":[67],"(SNs)":[68],"with":[69,109],"sufficient":[70],"insufficient":[72],"number":[73],"neighboring":[75],"beacons,":[76],"considered.":[78],"The":[79],"Cramer-Rao":[80],"Lower":[81],"Bound":[82],"(CRLB)":[83],"then":[85],"derived.":[86],"Simulation":[87],"results":[88],"presented":[90],"contrast":[92],"performance":[94],"proposed":[97],"Simultaneous":[98],"Localization":[99],"Time":[101],"Synchronization-SDP":[102],"(SLTS-SDP)":[103],"Generalized":[105],"SLTS-SDP":[106],"(GSLTS-SDP)":[107],"algorithms":[108],"conventional":[111],"SDP":[112],"method":[113],"corresponding":[116],"CRLBs.":[117]},"counts_by_year":[{"year":2016,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}