{"id":"https://openalex.org/W3083656779","doi":"https://doi.org/10.1109/twc.2020.3020191","title":"Clock Synchronization in Wireless Networks Using Matrix Completion-Based Maximum Likelihood Estimation","display_name":"Clock Synchronization in Wireless Networks Using Matrix Completion-Based Maximum Likelihood Estimation","publication_year":2020,"publication_date":"2020-09-04","ids":{"openalex":"https://openalex.org/W3083656779","doi":"https://doi.org/10.1109/twc.2020.3020191","mag":"3083656779"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2020.3020191","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2020.3020191","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/A5033102325","display_name":"Osama Elnahas","orcid":null},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]},{"id":"https://openalex.org/I91041137","display_name":"Assiut University","ror":"https://ror.org/01jaj8n65","country_code":"EG","type":"education","lineage":["https://openalex.org/I91041137"]}],"countries":["CN","EG"],"is_corresponding":true,"raw_author_name":"Osama Elnahas","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","Faculty of Engineering, Assiut University, Asyut, Egypt"],"raw_orcid":"https://orcid.org/0000-0002-4018-1948","affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]},{"raw_affiliation_string":"Faculty of Engineering, Assiut University, Asyut, Egypt","institution_ids":["https://openalex.org/I91041137"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069876128","display_name":"Yuan Ma","orcid":"https://orcid.org/0000-0003-0648-8492"},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuan Ma","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0003-0648-8492","affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100620236","display_name":"Yi Jiang","orcid":"https://orcid.org/0000-0002-6618-5437"},"institutions":[{"id":"https://openalex.org/I24943067","display_name":"Fudan University","ror":"https://ror.org/013q1eq08","country_code":"CN","type":"education","lineage":["https://openalex.org/I24943067"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yi Jiang","raw_affiliation_strings":["Fudan University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-6618-5437","affiliations":[{"raw_affiliation_string":"Fudan University, Shanghai, China","institution_ids":["https://openalex.org/I24943067"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5036478038","display_name":"Zhi Quan","orcid":null},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhi Quan","raw_affiliation_strings":["College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China"],"raw_orcid":"https://orcid.org/0000-0001-8108-2893","affiliations":[{"raw_affiliation_string":"College of Electronics and Information Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5033102325"],"corresponding_institution_ids":["https://openalex.org/I180726961","https://openalex.org/I91041137"],"apc_list":null,"apc_paid":null,"fwci":0.9712,"has_fulltext":false,"cited_by_count":17,"citation_normalized_percentile":{"value":0.78265938,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"19","issue":"12","first_page":"8220","last_page":"8231"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12216","display_name":"Network Time Synchronization Technologies","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T12216","display_name":"Network Time Synchronization Technologies","score":0.9998000264167786,"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/T11158","display_name":"Wireless Networks and Protocols","score":0.9835000038146973,"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/T11932","display_name":"Wireless Body Area Networks","score":0.9772999882698059,"subfield":{"id":"https://openalex.org/subfields/2204","display_name":"Biomedical 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/clock-skew","display_name":"Clock skew","score":0.6366893649101257},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.624378502368927},{"id":"https://openalex.org/keywords/clock-synchronization","display_name":"Clock synchronization","score":0.6229817867279053},{"id":"https://openalex.org/keywords/cram\u00e9r\u2013rao-bound","display_name":"Cram\u00e9r\u2013Rao bound","score":0.6198498010635376},{"id":"https://openalex.org/keywords/synchronization","display_name":"Synchronization (alternating current)","score":0.5756900310516357},{"id":"https://openalex.org/keywords/robustness","display_name":"Robustness (evolution)","score":0.5717493295669556},{"id":"https://openalex.org/keywords/clock-drift","display_name":"Clock drift","score":0.5577281713485718},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.5473220944404602},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.5286527276039124},{"id":"https://openalex.org/keywords/estimator","display_name":"Estimator","score":0.5064059495925903},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.44611576199531555},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.39750370383262634},{"id":"https://openalex.org/keywords/jitter","display_name":"Jitter","score":0.3526122570037842},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.34735268354415894},{"id":"https://openalex.org/keywords/estimation-theory","display_name":"Estimation theory","score":0.33303597569465637},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2436770796775818},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.17219793796539307},{"id":"https://openalex.org/keywords/statistics","display_name":"Statistics","score":0.16465124487876892},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11227574944496155}],"concepts":[{"id":"https://openalex.org/C60501442","wikidata":"https://www.wikidata.org/wiki/Q4382014","display_name":"Clock skew","level":4,"score":0.6366893649101257},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.624378502368927},{"id":"https://openalex.org/C129891060","wikidata":"https://www.wikidata.org/wiki/Q1513059","display_name":"Clock synchronization","level":4,"score":0.6229817867279053},{"id":"https://openalex.org/C4978587","wikidata":"https://www.wikidata.org/wiki/Q1138810","display_name":"Cram\u00e9r\u2013Rao bound","level":3,"score":0.6198498010635376},{"id":"https://openalex.org/C2778562939","wikidata":"https://www.wikidata.org/wiki/Q1298791","display_name":"Synchronization (alternating current)","level":3,"score":0.5756900310516357},{"id":"https://openalex.org/C63479239","wikidata":"https://www.wikidata.org/wiki/Q7353546","display_name":"Robustness (evolution)","level":3,"score":0.5717493295669556},{"id":"https://openalex.org/C155837451","wikidata":"https://www.wikidata.org/wiki/Q1069144","display_name":"Clock drift","level":5,"score":0.5577281713485718},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.5473220944404602},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.5286527276039124},{"id":"https://openalex.org/C185429906","wikidata":"https://www.wikidata.org/wiki/Q1130160","display_name":"Estimator","level":2,"score":0.5064059495925903},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.44611576199531555},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.39750370383262634},{"id":"https://openalex.org/C134652429","wikidata":"https://www.wikidata.org/wiki/Q1052698","display_name":"Jitter","level":2,"score":0.3526122570037842},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.34735268354415894},{"id":"https://openalex.org/C167928553","wikidata":"https://www.wikidata.org/wiki/Q1376021","display_name":"Estimation theory","level":2,"score":0.33303597569465637},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2436770796775818},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.17219793796539307},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.16465124487876892},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11227574944496155},{"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/C137059387","wikidata":"https://www.wikidata.org/wiki/Q426882","display_name":"Clock signal","level":3,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2020.3020191","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2020.3020191","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":[],"awards":[{"id":"https://openalex.org/G3600768578","display_name":null,"funder_award_id":"61901276","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G382759687","display_name":null,"funder_award_id":"2020A1515010673","funder_id":"https://openalex.org/F4320321921","funder_display_name":"Natural Science Foundation of Guangdong Province"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320321921","display_name":"Natural Science Foundation of Guangdong Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":42,"referenced_works":["https://openalex.org/W250076511","https://openalex.org/W1965392255","https://openalex.org/W1974691449","https://openalex.org/W1981361008","https://openalex.org/W2003321974","https://openalex.org/W2005467893","https://openalex.org/W2011359124","https://openalex.org/W2016101562","https://openalex.org/W2024481357","https://openalex.org/W2047071281","https://openalex.org/W2050834423","https://openalex.org/W2056873685","https://openalex.org/W2062284327","https://openalex.org/W2077430220","https://openalex.org/W2094636498","https://openalex.org/W2096716342","https://openalex.org/W2101764391","https://openalex.org/W2103662601","https://openalex.org/W2103972604","https://openalex.org/W2104359797","https://openalex.org/W2105666891","https://openalex.org/W2108501383","https://openalex.org/W2118537895","https://openalex.org/W2121255383","https://openalex.org/W2143229717","https://openalex.org/W2144730813","https://openalex.org/W2148090257","https://openalex.org/W2148940141","https://openalex.org/W2166443035","https://openalex.org/W2169848485","https://openalex.org/W2170971335","https://openalex.org/W2222783040","https://openalex.org/W2268674159","https://openalex.org/W2417685072","https://openalex.org/W2439020672","https://openalex.org/W2561460202","https://openalex.org/W2594167360","https://openalex.org/W2595882622","https://openalex.org/W2611328865","https://openalex.org/W2743187036","https://openalex.org/W2756630162","https://openalex.org/W2787230599"],"related_works":["https://openalex.org/W1497331638","https://openalex.org/W4387123206","https://openalex.org/W2056489071","https://openalex.org/W2152009219","https://openalex.org/W2044103179","https://openalex.org/W2292909929","https://openalex.org/W2570917210","https://openalex.org/W2554968816","https://openalex.org/W2535016594","https://openalex.org/W1996410343"],"abstract_inverted_index":{"Clock":[0],"synchronization":[1,15,40],"has":[2],"been":[3],"a":[4,63],"challenging":[5],"task":[6],"in":[7,52,100],"the":[8,14,44,50,72,85,91,95,101,112,118,124,127,138],"design":[9],"of":[10,54,88,103,137],"wireless":[11,28],"networks":[12],"because":[13],"accuracy":[16,51,136],"suffers":[17],"from":[18],"uncertain":[19],"transmission":[20,56,80,108],"delay":[21,57,81],"and/or":[22],"packet":[23,59,104],"loss":[24,105],"due":[25],"to":[26,48,70,84,117],"poor":[27],"channel":[29],"conditions.":[30],"To":[31],"address":[32],"this":[33,35],"problem,":[34],"paper":[36],"develops":[37],"robust":[38],"clock":[39,73,76],"schemes":[41,93,114,140],"based":[42],"on":[43],"matrix":[45,64,89],"completion":[46],"theory":[47],"improve":[49],"presence":[53,102],"random":[55,107],"and":[58,75,106,135],"loss.":[60],"We":[61],"propose":[62],"completion-based":[65],"maximum":[66,96],"likelihood":[67,97],"estimator":[68,98],"(MC-MLE)":[69],"estimate":[71],"offset":[74],"skew":[77],"under":[78],"Gaussian":[79],"model.":[82],"Thanks":[83],"denoise":[86],"feature":[87],"completion,":[90],"proposed":[92,113,139],"outperform":[94],"(MLE)":[99],"delay.":[109],"That":[110],"is,":[111],"are":[115,130,141],"closer":[116],"Cramer-Rao":[119],"lower":[120],"bound":[121],"(CRLB)":[122],"than":[123],"MLE":[125],"when":[126],"timestamp":[128],"packets":[129],"randomly":[131],"corrupted.":[132],"The":[133],"robustness":[134],"validated":[142],"by":[143],"numerical":[144],"results.":[145]},"counts_by_year":[{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2020,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
