{"id":"https://openalex.org/W4312834243","doi":"https://doi.org/10.1109/jiot.2022.3218948","title":"Improving Information Freshness via Backbone-Assisted Cooperative Access Points","display_name":"Improving Information Freshness via Backbone-Assisted Cooperative Access Points","publication_year":2022,"publication_date":"2022-11-04","ids":{"openalex":"https://openalex.org/W4312834243","doi":"https://doi.org/10.1109/jiot.2022.3218948"},"language":"en","primary_location":{"id":"doi:10.1109/jiot.2022.3218948","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2022.3218948","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","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/A5076812737","display_name":"Haoyuan Pan","orcid":"https://orcid.org/0000-0003-3651-3417"},"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":true,"raw_author_name":"Haoyuan Pan","raw_affiliation_strings":["College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103193107","display_name":"Yu Zhou","orcid":"https://orcid.org/0000-0003-3020-1877"},"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":"Yu Zhou","raw_affiliation_strings":["College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047023625","display_name":"Tse-Tin Chan","orcid":"https://orcid.org/0000-0001-9235-7813"},"institutions":[{"id":"https://openalex.org/I4210086892","display_name":"Education University of Hong Kong","ror":"https://ror.org/000t0f062","country_code":"HK","type":"education","lineage":["https://openalex.org/I4210086892"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Tse-Tin Chan","raw_affiliation_strings":["Department of Mathematics and Information Technology, The Education University of Hong Kong, Hong Kong, SAR, China"],"affiliations":[{"raw_affiliation_string":"Department of Mathematics and Information Technology, The Education University of Hong Kong, Hong Kong, SAR, China","institution_ids":["https://openalex.org/I4210086892"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100782002","display_name":"Ming Tang","orcid":"https://orcid.org/0000-0001-8669-4186"},"institutions":[{"id":"https://openalex.org/I3045169105","display_name":"Southern University of Science and Technology","ror":"https://ror.org/049tv2d57","country_code":"CN","type":"education","lineage":["https://openalex.org/I3045169105"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ming Tang","raw_affiliation_strings":["Department of Computer Science and Engineering, Southern University of Science and Technology, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Engineering, Southern University of Science and Technology, Shenzhen, China","institution_ids":["https://openalex.org/I3045169105"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100393871","display_name":"Jianqiang Li","orcid":"https://orcid.org/0000-0002-2208-962X"},"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":"Jianqiang Li","raw_affiliation_strings":["College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5007272827","display_name":"Zhihua Du","orcid":"https://orcid.org/0000-0002-7213-2198"},"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":"Zhihua Du","raw_affiliation_strings":["College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"College of Computer Science and Software Engineering, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5076812737"],"corresponding_institution_ids":["https://openalex.org/I180726961"],"apc_list":null,"apc_paid":null,"fwci":0.1419,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.51513683,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"10","issue":"5","first_page":"4592","last_page":"4604"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13553","display_name":"Age of Information Optimization","score":1.0,"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/T13553","display_name":"Age of Information Optimization","score":1.0,"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/T10300","display_name":"Congenital Heart Disease Studies","score":0.982200026512146,"subfield":{"id":"https://openalex.org/subfields/2713","display_name":"Epidemiology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T11993","display_name":"Atomic and Subatomic Physics Research","score":0.9807999730110168,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7752389311790466},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.7505570650100708},{"id":"https://openalex.org/keywords/quantization","display_name":"Quantization (signal processing)","score":0.7072996497154236},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.6943117380142212},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4826131761074066},{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.44946131110191345},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.426000714302063},{"id":"https://openalex.org/keywords/computer-hardware","display_name":"Computer hardware","score":0.3474845886230469},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.33221328258514404},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.28095823526382446},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.21891698241233826}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7752389311790466},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.7505570650100708},{"id":"https://openalex.org/C28855332","wikidata":"https://www.wikidata.org/wiki/Q198099","display_name":"Quantization (signal processing)","level":2,"score":0.7072996497154236},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.6943117380142212},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4826131761074066},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.44946131110191345},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.426000714302063},{"id":"https://openalex.org/C9390403","wikidata":"https://www.wikidata.org/wiki/Q3966","display_name":"Computer hardware","level":1,"score":0.3474845886230469},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.33221328258514404},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.28095823526382446},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.21891698241233826}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jiot.2022.3218948","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jiot.2022.3218948","pdf_url":null,"source":{"id":"https://openalex.org/S2480266640","display_name":"IEEE Internet of Things Journal","issn_l":"2327-4662","issn":["2327-4662","2372-2541"],"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 Internet of Things Journal","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G2800729717","display_name":null,"funder_award_id":"62202214","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G321575186","display_name":null,"funder_award_id":"62001298","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3332848674","display_name":null,"funder_award_id":"R2020A045","funder_id":"https://openalex.org/F4320326705","funder_display_name":"Science, Technology and Innovation Commission of Shenzhen Municipality"},{"id":"https://openalex.org/G3566133098","display_name":null,"funder_award_id":"RCBS20210609103234060","funder_id":"https://openalex.org/F4320336569","funder_display_name":"Shenzhen Science and Technology Innovation Program"},{"id":"https://openalex.org/G4429118438","display_name":null,"funder_award_id":"62073225","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G6815789538","display_name":null,"funder_award_id":"2019B151502018","funder_id":"https://openalex.org/F4320321921","funder_display_name":"Natural Science Foundation of Guangdong Province"},{"id":"https://openalex.org/G7070102664","display_name":null,"funder_award_id":"2021A1515012601","funder_id":"https://openalex.org/F4320337111","funder_display_name":"Basic and Applied Basic Research Foundation of Guangdong Province"},{"id":"https://openalex.org/G7279309214","display_name":null,"funder_award_id":"62176164","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8411257915","display_name":null,"funder_award_id":"62203134","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"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},{"id":"https://openalex.org/F4320326705","display_name":"Science, Technology and Innovation Commission of Shenzhen Municipality","ror":null},{"id":"https://openalex.org/F4320336569","display_name":"Shenzhen Science and Technology Innovation Program","ror":null},{"id":"https://openalex.org/F4320337111","display_name":"Basic and Applied Basic Research Foundation of Guangdong Province","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":41,"referenced_works":["https://openalex.org/W595252221","https://openalex.org/W1485063743","https://openalex.org/W1919404870","https://openalex.org/W1973089893","https://openalex.org/W2045567371","https://openalex.org/W2058401212","https://openalex.org/W2061914652","https://openalex.org/W2063813371","https://openalex.org/W2088960600","https://openalex.org/W2110499477","https://openalex.org/W2146487252","https://openalex.org/W2157709134","https://openalex.org/W2162636480","https://openalex.org/W2797442898","https://openalex.org/W2917981112","https://openalex.org/W2964345816","https://openalex.org/W2990084501","https://openalex.org/W2991205601","https://openalex.org/W2996238281","https://openalex.org/W3001774639","https://openalex.org/W3005950813","https://openalex.org/W3019935896","https://openalex.org/W3039041378","https://openalex.org/W3082478152","https://openalex.org/W3089326713","https://openalex.org/W3106385712","https://openalex.org/W3117158816","https://openalex.org/W3128763991","https://openalex.org/W3131817462","https://openalex.org/W3135424908","https://openalex.org/W3137503532","https://openalex.org/W3141549342","https://openalex.org/W3158832185","https://openalex.org/W3168601406","https://openalex.org/W3177175347","https://openalex.org/W3177724065","https://openalex.org/W3213182273","https://openalex.org/W4205984110","https://openalex.org/W4210408378","https://openalex.org/W4211209619","https://openalex.org/W4240704246"],"related_works":["https://openalex.org/W2161474341","https://openalex.org/W4302615923","https://openalex.org/W3203142394","https://openalex.org/W2351061015","https://openalex.org/W4220731478","https://openalex.org/W1974101135","https://openalex.org/W2017509870","https://openalex.org/W4251141768","https://openalex.org/W4360952157","https://openalex.org/W2153647085"],"abstract_inverted_index":{"Information":[0,6],"freshness,":[1],"characterized":[2],"by":[3,29,171,202],"Age":[4],"of":[5,109,130,169,182,192,218],"(AoI),":[7],"is":[8,126,194,212,224],"important":[9],"for":[10,40,117],"sensor":[11,25],"applications":[12],"involving":[13],"timely":[14],"status":[15],"updates.":[16],"In":[17,97],"many":[18],"cases,":[19],"the":[20,37,80,112,128,135,143,153,166,173,176,180,190,199,216],"wireless":[21],"signals":[22],"from":[23],"one":[24],"can":[26,47],"be":[27],"received":[28],"multiple":[30],"access":[31],"points":[32],"(APs).":[33],"This":[34],"article":[35],"investigates":[36],"average":[38,81,167,200,209],"AoI":[39,82,168,201,210],"cooperative":[41],"APs":[42,64,113],"(Co-APs),":[43],"in":[44,124],"which":[45],"they":[46],"share":[48,65],"information":[49,108,137],"through":[50],"a":[51,58,85],"wired":[52],"backbone":[53,161,177],"network.":[54],"We":[55,163],"first":[56],"study":[57,165],"basic":[59],"backbone-assisted":[60],"Co-AP":[61,77,93],"system":[62],"where":[63],"only":[66],"decoded":[67,101],"packets.":[68],"Experimental":[69],"results":[70],"on":[71],"software-defined":[72],"radios":[73],"(SDRs)":[74],"indicate":[75],"that":[76,111,133,188],"significantly":[78],"improves":[79,152],"performance":[83,211],"over":[84,142],"single-AP":[86],"system.":[87],"Next,":[88],"we":[89],"investigate":[90],"an":[91],"improved":[92],"system,":[94],"called":[95],"Soft-Co-AP.":[96],"addition":[98],"to":[99,115,159],"sharing":[100],"packets,":[102],"Soft-Co-AP":[103,125,170,196],"shares":[104],"and":[105,179],"collects":[106],"soft":[107,136,139,150,222],"packets":[110],"fail":[114],"decode":[116],"further":[118,197],"joint":[119,154],"decoding.":[120],"A":[121],"critical":[122],"issue":[123],"determining":[127],"number":[129,181,191,217],"quantization":[131,147,183,219],"bits":[132,148,220],"represent":[134],"(each":[138],"bit)":[140],"shared":[141],"backbone.":[144],"While":[145],"more":[146],"per":[149,221],"bit":[151,223],"decoding":[155],"performance,":[156],"it":[157],"leads":[158],"higher":[160],"delay.":[162],"experimentally":[164],"evaluating":[172],"tradeoff":[174],"between":[175],"delay":[178],"bits.":[184],"SDR":[185],"experiments":[186],"show":[187],"when":[189,215],"sensors":[193],"large,":[195],"reduces":[198],"12%":[203],"compared":[204],"with":[205],"Co-AP.":[206],"Interestingly,":[207],"good":[208],"usually":[213],"achieved":[214],"neither":[225],"too":[226,229],"large":[227],"nor":[228],"small.":[230]},"counts_by_year":[{"year":2024,"cited_by_count":1}],"updated_date":"2026-03-27T05:58:40.876381","created_date":"2025-10-10T00:00:00"}