{"id":"https://openalex.org/W3047313722","doi":"https://doi.org/10.1109/infocom41043.2020.9155224","title":"LiteNap: Downclocking LoRa Reception","display_name":"LiteNap: Downclocking LoRa Reception","publication_year":2020,"publication_date":"2020-07-01","ids":{"openalex":"https://openalex.org/W3047313722","doi":"https://doi.org/10.1109/infocom41043.2020.9155224","mag":"3047313722"},"language":"en","primary_location":{"id":"doi:10.1109/infocom41043.2020.9155224","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infocom41043.2020.9155224","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2020 - IEEE Conference on Computer Communications","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://ira.lib.polyu.edu.hk/bitstream/10397/105532/1/Xia_Litenap_Downclocking_Lora.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5075940441","display_name":"Xianjin Xia","orcid":"https://orcid.org/0000-0001-9820-8480"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Xianjin Xia","raw_affiliation_strings":["The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091556511","display_name":"Yuanqing Zheng","orcid":"https://orcid.org/0000-0003-3096-687X"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Yuanqing Zheng","raw_affiliation_strings":["The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5054698524","display_name":"Tao Gu","orcid":"https://orcid.org/0000-0002-1350-6639"},"institutions":[{"id":"https://openalex.org/I14243506","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98","country_code":"HK","type":"education","lineage":["https://openalex.org/I14243506"]}],"countries":["HK"],"is_corresponding":false,"raw_author_name":"Tao Gu","raw_affiliation_strings":["The Hong Kong Polytechnic University, Hong Kong, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The Hong Kong Polytechnic University, Hong Kong, China","institution_ids":["https://openalex.org/I14243506"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I14243506"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":21,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":"2020","issue":null,"first_page":"2321","last_page":"2330"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12079","display_name":"IoT Networks and Protocols","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/T12079","display_name":"IoT Networks and Protocols","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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9994999766349792,"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/T12801","display_name":"Bluetooth and Wireless Communication Technologies","score":0.9980000257492065,"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/demodulation","display_name":"Demodulation","score":0.7755775451660156},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7413287162780762},{"id":"https://openalex.org/keywords/software-defined-radio","display_name":"Software-defined radio","score":0.6595762372016907},{"id":"https://openalex.org/keywords/aliasing","display_name":"Aliasing","score":0.6162037253379822},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.580906093120575},{"id":"https://openalex.org/keywords/nyquist-rate","display_name":"Nyquist rate","score":0.5000934600830078},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4807034134864807},{"id":"https://openalex.org/keywords/jitter","display_name":"Jitter","score":0.4667653739452362},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.46049052476882935},{"id":"https://openalex.org/keywords/nyquist-frequency","display_name":"Nyquist frequency","score":0.42808350920677185},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.4174236059188843},{"id":"https://openalex.org/keywords/nyquist\u2013shannon-sampling-theorem","display_name":"Nyquist\u2013Shannon sampling theorem","score":0.4144747853279114},{"id":"https://openalex.org/keywords/sampling","display_name":"Sampling (signal processing)","score":0.3628997802734375},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.26886099576950073},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2224993109703064},{"id":"https://openalex.org/keywords/undersampling","display_name":"Undersampling","score":0.15425652265548706},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.12274804711341858},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.11741778254508972},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.10755303502082825}],"concepts":[{"id":"https://openalex.org/C195251586","wikidata":"https://www.wikidata.org/wiki/Q1185939","display_name":"Demodulation","level":3,"score":0.7755775451660156},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7413287162780762},{"id":"https://openalex.org/C171115542","wikidata":"https://www.wikidata.org/wiki/Q1331892","display_name":"Software-defined radio","level":2,"score":0.6595762372016907},{"id":"https://openalex.org/C4069607","wikidata":"https://www.wikidata.org/wiki/Q868732","display_name":"Aliasing","level":3,"score":0.6162037253379822},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.580906093120575},{"id":"https://openalex.org/C65914096","wikidata":"https://www.wikidata.org/wiki/Q6273772","display_name":"Nyquist rate","level":4,"score":0.5000934600830078},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4807034134864807},{"id":"https://openalex.org/C134652429","wikidata":"https://www.wikidata.org/wiki/Q1052698","display_name":"Jitter","level":2,"score":0.4667653739452362},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.46049052476882935},{"id":"https://openalex.org/C98273374","wikidata":"https://www.wikidata.org/wiki/Q1501757","display_name":"Nyquist frequency","level":3,"score":0.42808350920677185},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.4174236059188843},{"id":"https://openalex.org/C288623","wikidata":"https://www.wikidata.org/wiki/Q679800","display_name":"Nyquist\u2013Shannon sampling theorem","level":2,"score":0.4144747853279114},{"id":"https://openalex.org/C140779682","wikidata":"https://www.wikidata.org/wiki/Q210868","display_name":"Sampling (signal processing)","level":3,"score":0.3628997802734375},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.26886099576950073},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2224993109703064},{"id":"https://openalex.org/C136536468","wikidata":"https://www.wikidata.org/wiki/Q1225894","display_name":"Undersampling","level":2,"score":0.15425652265548706},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.12274804711341858},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.11741778254508972},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.10755303502082825},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":4,"locations":[{"id":"doi:10.1109/infocom41043.2020.9155224","is_oa":false,"landing_page_url":"https://doi.org/10.1109/infocom41043.2020.9155224","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE INFOCOM 2020 - IEEE Conference on Computer Communications","raw_type":"proceedings-article"},{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/105532","is_oa":true,"landing_page_url":"http://hdl.handle.net/10397/105532","pdf_url":"http://ira.lib.polyu.edu.hk/bitstream/10397/105532/1/Xia_Litenap_Downclocking_Lora.pdf","source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"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"},{"id":"pmh:oai:figshare.com:article/27554490","is_oa":true,"landing_page_url":"https://figshare.com/articles/journal_contribution/LiteNap_Downclocking_LoRa_Reception/27554490","pdf_url":null,"source":{"id":"https://openalex.org/S4377196282","display_name":"Figshare","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210132348","host_organization_name":"Figshare (United Kingdom)","host_organization_lineage":["https://openalex.org/I4210132348"],"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":"Text"},{"id":"mag:3197208246","is_oa":false,"landing_page_url":"https://jglobal.jst.go.jp/en/detail?JGLOBAL_ID=202002247402043155","pdf_url":null,"source":{"id":"https://openalex.org/S4306512817","display_name":"IEEE Conference Proceedings","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"conference"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":"IEEE Conference Proceedings","raw_type":null}],"best_oa_location":{"id":"pmh:oai:ira.lib.polyu.edu.hk:10397/105532","is_oa":true,"landing_page_url":"http://hdl.handle.net/10397/105532","pdf_url":"http://ira.lib.polyu.edu.hk/bitstream/10397/105532/1/Xia_Litenap_Downclocking_Lora.pdf","source":{"id":"https://openalex.org/S4306400205","display_name":"PolyU Institutional Research Archive (Hong Kong Polytechnic University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I14243506","host_organization_name":"Hong Kong Polytechnic University","host_organization_lineage":["https://openalex.org/I14243506"],"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"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","score":0.9100000262260437,"display_name":"Affordable and clean energy"}],"awards":[{"id":"https://openalex.org/G2363909597","display_name":null,"funder_award_id":"152165/19E","funder_id":"https://openalex.org/F4320322598","funder_display_name":"Hong Kong Polytechnic University"},{"id":"https://openalex.org/G2541514358","display_name":null,"funder_award_id":"61702437","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/F4320322598","display_name":"Hong Kong Polytechnic University","ror":"https://ror.org/0030zas98"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3047313722.pdf","grobid_xml":"https://content.openalex.org/works/W3047313722.grobid-xml"},"referenced_works_count":41,"referenced_works":["https://openalex.org/W1487415935","https://openalex.org/W1729023203","https://openalex.org/W1972643835","https://openalex.org/W1989622941","https://openalex.org/W2103281825","https://openalex.org/W2111079473","https://openalex.org/W2125562505","https://openalex.org/W2144609843","https://openalex.org/W2294352804","https://openalex.org/W2508611559","https://openalex.org/W2517634442","https://openalex.org/W2580569518","https://openalex.org/W2597140867","https://openalex.org/W2615463707","https://openalex.org/W2616905512","https://openalex.org/W2744263726","https://openalex.org/W2760990262","https://openalex.org/W2762380819","https://openalex.org/W2765322180","https://openalex.org/W2767169617","https://openalex.org/W2768951086","https://openalex.org/W2776126075","https://openalex.org/W2784266238","https://openalex.org/W2791370666","https://openalex.org/W2794682992","https://openalex.org/W2809803840","https://openalex.org/W2855857260","https://openalex.org/W2885479472","https://openalex.org/W2896332706","https://openalex.org/W2898664533","https://openalex.org/W2916756302","https://openalex.org/W2917931339","https://openalex.org/W2981455641","https://openalex.org/W2982338244","https://openalex.org/W4238545943","https://openalex.org/W4241639493","https://openalex.org/W6608186316","https://openalex.org/W6697523151","https://openalex.org/W6725412409","https://openalex.org/W6753525857","https://openalex.org/W6767939662"],"related_works":["https://openalex.org/W2176079168","https://openalex.org/W2071732377","https://openalex.org/W1997066351","https://openalex.org/W2368043784","https://openalex.org/W1500996803","https://openalex.org/W2283343509","https://openalex.org/W2119250743","https://openalex.org/W3097422888","https://openalex.org/W2058893726","https://openalex.org/W1999380194"],"abstract_inverted_index":{"This":[0],"paper":[1],"presents":[2],"LiteNap":[3,66,136,151],"which":[4,38,88],"improves":[5],"the":[6,34,40,46,68,76,94,123],"energy":[7,160],"efficiency":[8],"of":[9,48,78,100,164],"LoRa":[10,13,49,55,79,154],"by":[11,70],"enabling":[12],"nodes":[14,155],"to":[15,111,120,156],"operate":[16],"in":[17,63,90,93,131],"a":[18,118,138],"downclocked":[19],"`light":[20],"sleep'":[21],"mode":[22],"for":[23,159],"packet":[24,170,175],"reception.":[25],"A":[26],"fundamental":[27],"limit":[28],"that":[29,75,150],"prevents":[30],"radio":[31,80,141],"downclocking":[32],"is":[33],"Nyquist":[35,165],"sampling":[36],"theorem":[37],"demands":[39],"clock-rate":[41],"being":[42],"at":[43],"least":[44],"twice":[45],"bandwidth":[47],"chirps.":[50,115],"Our":[51],"study":[52],"reveals":[53],"under-sampled":[54,126],"chirps":[56,127],"suffer":[57],"frequency":[58,91,104],"aliasing":[59],"and":[60,103,128,143],"cause":[61,82],"ambiguity":[62],"symbol":[64,132],"demodulation.":[65,133],"addresses":[67],"problem":[69],"leveraging":[71],"an":[72],"empirical":[73],"observation":[74],"hardware":[77],"can":[81,106,152],"phase":[83,101],"jitters":[84,102],"on":[85,137],"modulated":[86,114],"chirps,":[87],"result":[89],"leakage":[92],"time":[95],"domain.":[96],"The":[97],"timing":[98],"information":[99],"leakages":[105],"serve":[107],"as":[108],"physical":[109],"fingerprints":[110,124],"uniquely":[112],"identify":[113],"We":[116,134],"propose":[117],"scheme":[119],"reliably":[121],"extract":[122],"from":[125],"resolve":[129],"ambiguities":[130],"implement":[135],"software":[139],"defined":[140],"platform":[142],"conduct":[144],"trace-driven":[145],"evaluation.":[146],"Experiment":[147],"results":[148],"show":[149],"downclock":[153],"sub-Nyquist":[157],"rates":[158],"savings":[161],"(e.g.,":[162,173],"1/8":[163],"rate),":[166],"without":[167],"substantially":[168],"affecting":[169],"reception":[171,176],"performance":[172],">95%":[174],"rate).":[177]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":6},{"year":2021,"cited_by_count":6},{"year":2020,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}