{"id":"https://openalex.org/W3112227240","doi":"https://doi.org/10.1109/ieeeconf51394.2020.9443502","title":"A Maximum-Likelihood-based Multi-User LoRa Receiver Implemented in GNU Radio","display_name":"A Maximum-Likelihood-based Multi-User LoRa Receiver Implemented in GNU Radio","publication_year":2020,"publication_date":"2020-11-01","ids":{"openalex":"https://openalex.org/W3112227240","doi":"https://doi.org/10.1109/ieeeconf51394.2020.9443502","mag":"3112227240"},"language":"en","primary_location":{"id":"doi:10.1109/ieeeconf51394.2020.9443502","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf51394.2020.9443502","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 54th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"},"type":"preprint","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2012.08173","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5006292091","display_name":"Mathieu Xhonneux","orcid":"https://orcid.org/0000-0002-4084-4182"},"institutions":[{"id":"https://openalex.org/I95674353","display_name":"UCLouvain","ror":"https://ror.org/02495e989","country_code":"BE","type":"education","lineage":["https://openalex.org/I95674353"]}],"countries":["BE"],"is_corresponding":true,"raw_author_name":"Mathieu Xhonneux","raw_affiliation_strings":["Université Catholique de Louvain,Belgium","Universite catholique de Louvain Belgium"],"affiliations":[{"raw_affiliation_string":"Université Catholique de Louvain,Belgium","institution_ids":["https://openalex.org/I95674353"]},{"raw_affiliation_string":"Universite catholique de Louvain Belgium","institution_ids":["https://openalex.org/I95674353"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008948807","display_name":"Joachim Tapparel","orcid":"https://orcid.org/0000-0002-0154-9738"},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Joachim Tapparel","raw_affiliation_strings":["EPFL,Telecommunication Circuits Laboratory,Switzerland"],"affiliations":[{"raw_affiliation_string":"EPFL,Telecommunication Circuits Laboratory,Switzerland","institution_ids":["https://openalex.org/I5124864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023234100","display_name":"Orion Afisiadis","orcid":"https://orcid.org/0000-0002-5287-9681"},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Orion Afisiadis","raw_affiliation_strings":["EPFL,Telecommunication Circuits Laboratory,Switzerland"],"affiliations":[{"raw_affiliation_string":"EPFL,Telecommunication Circuits Laboratory,Switzerland","institution_ids":["https://openalex.org/I5124864"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075502847","display_name":"Alexios Balatsoukas\u2010Stimming","orcid":"https://orcid.org/0000-0002-6721-4666"},"institutions":[{"id":"https://openalex.org/I83019370","display_name":"Eindhoven University of Technology","ror":"https://ror.org/02c2kyt77","country_code":"NL","type":"education","lineage":["https://openalex.org/I83019370"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"Alexios Balatsoukas-Stimming","raw_affiliation_strings":["Eindhoven University of Technology,Department of Electrical Engineering,The Netherlands","[Eindhoven University of Technology, Department of Electrical Engineering, The Netherlands]"],"affiliations":[{"raw_affiliation_string":"Eindhoven University of Technology,Department of Electrical Engineering,The Netherlands","institution_ids":["https://openalex.org/I83019370"]},{"raw_affiliation_string":"[Eindhoven University of Technology, Department of Electrical Engineering, The Netherlands]","institution_ids":["https://openalex.org/I83019370"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5059133771","display_name":"Andreas Burg","orcid":"https://orcid.org/0000-0002-7270-5558"},"institutions":[{"id":"https://openalex.org/I5124864","display_name":"\u00c9cole Polytechnique F\u00e9d\u00e9rale de Lausanne","ror":"https://ror.org/02s376052","country_code":"CH","type":"education","lineage":["https://openalex.org/I2799323385","https://openalex.org/I5124864"]}],"countries":["CH"],"is_corresponding":false,"raw_author_name":"Andreas Burg","raw_affiliation_strings":["EPFL,Telecommunication Circuits Laboratory,Switzerland"],"affiliations":[{"raw_affiliation_string":"EPFL,Telecommunication Circuits Laboratory,Switzerland","institution_ids":["https://openalex.org/I5124864"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5006292091"],"corresponding_institution_ids":["https://openalex.org/I95674353"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.12944212,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1106","last_page":"1111"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12079","display_name":"IoT Networks and Protocols","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/T12079","display_name":"IoT Networks and Protocols","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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9915000200271606,"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/T11932","display_name":"Wireless Body Area Networks","score":0.9915000200271606,"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/lpwan","display_name":"LPWAN","score":0.7492146492004395},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.730330228805542},{"id":"https://openalex.org/keywords/aloha","display_name":"Aloha","score":0.6926127672195435},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.6408193707466125},{"id":"https://openalex.org/keywords/detector","display_name":"Detector","score":0.6259911060333252},{"id":"https://openalex.org/keywords/software-defined-radio","display_name":"Software-defined radio","score":0.5777615308761597},{"id":"https://openalex.org/keywords/demodulation","display_name":"Demodulation","score":0.4836810529232025},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.4672277867794037},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4206758141517639},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.41227108240127563},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.410507470369339},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.40105217695236206},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.23539218306541443},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.19765713810920715},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1480908989906311},{"id":"https://openalex.org/keywords/wide-area-network","display_name":"Wide area network","score":0.11546489596366882}],"concepts":[{"id":"https://openalex.org/C2776445043","wikidata":"https://www.wikidata.org/wiki/Q20706829","display_name":"LPWAN","level":3,"score":0.7492146492004395},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.730330228805542},{"id":"https://openalex.org/C2776398200","wikidata":"https://www.wikidata.org/wiki/Q508880","display_name":"Aloha","level":4,"score":0.6926127672195435},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.6408193707466125},{"id":"https://openalex.org/C94915269","wikidata":"https://www.wikidata.org/wiki/Q1834857","display_name":"Detector","level":2,"score":0.6259911060333252},{"id":"https://openalex.org/C171115542","wikidata":"https://www.wikidata.org/wiki/Q1331892","display_name":"Software-defined radio","level":2,"score":0.5777615308761597},{"id":"https://openalex.org/C195251586","wikidata":"https://www.wikidata.org/wiki/Q1185939","display_name":"Demodulation","level":3,"score":0.4836810529232025},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.4672277867794037},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4206758141517639},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.41227108240127563},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.410507470369339},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.40105217695236206},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.23539218306541443},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.19765713810920715},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1480908989906311},{"id":"https://openalex.org/C2776238582","wikidata":"https://www.wikidata.org/wiki/Q11384","display_name":"Wide area network","level":2,"score":0.11546489596366882}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.1109/ieeeconf51394.2020.9443502","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ieeeconf51394.2020.9443502","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 54th Asilomar Conference on Signals, Systems, and Computers","raw_type":"proceedings-article"},{"id":"pmh:oai:arXiv.org:2012.08173","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2012.08173","pdf_url":"https://arxiv.org/pdf/2012.08173","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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:3112227240","is_oa":true,"landing_page_url":"http://export.arxiv.org/pdf/2012.08173","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"arXiv (Cornell University)","raw_type":null},{"id":"pmh:oai:infoscience.epfl.ch:288521","is_oa":true,"landing_page_url":"http://infoscience.epfl.ch/record/288521","pdf_url":null,"source":{"id":"https://openalex.org/S4306400487","display_name":"Infoscience (Ecole Polytechnique F\u00e9d\u00e9rale de Lausanne)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://infoscience.epfl.ch/record/288521","raw_type":"Text"},{"id":"doi:10.48550/arxiv.2012.08173","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2012.08173","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"article"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2012.08173","is_oa":true,"landing_page_url":"http://arxiv.org/abs/2012.08173","pdf_url":"https://arxiv.org/pdf/2012.08173","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"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"},"sustainable_development_goals":[{"score":0.9100000262260437,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W2520480241","https://openalex.org/W2900142556","https://openalex.org/W2901111720","https://openalex.org/W2946248107","https://openalex.org/W2951615004","https://openalex.org/W2962691290","https://openalex.org/W2974870489","https://openalex.org/W2982353875","https://openalex.org/W2998568641","https://openalex.org/W3007760816","https://openalex.org/W3015552676","https://openalex.org/W3033228838","https://openalex.org/W3047258710","https://openalex.org/W3081896252","https://openalex.org/W3091335635","https://openalex.org/W3098869552","https://openalex.org/W6772423906","https://openalex.org/W6774198971","https://openalex.org/W6775736115","https://openalex.org/W6781373789","https://openalex.org/W6784148893","https://openalex.org/W6786158681"],"related_works":["https://openalex.org/W3167420598","https://openalex.org/W3199921061","https://openalex.org/W3109569612","https://openalex.org/W2756782458","https://openalex.org/W2787681971","https://openalex.org/W2564771753","https://openalex.org/W2551034379","https://openalex.org/W2553320663","https://openalex.org/W101249702","https://openalex.org/W1989587662","https://openalex.org/W3188560796","https://openalex.org/W2345254436","https://openalex.org/W2770648358","https://openalex.org/W2184003616","https://openalex.org/W3207061624","https://openalex.org/W1995186187","https://openalex.org/W2930712149","https://openalex.org/W3020615186","https://openalex.org/W2068283282","https://openalex.org/W2114044322"],"abstract_inverted_index":{"LoRa":[0,26,58,65],"is":[1,61,74,96,101],"a":[2,28,57,75,80,84,98,105],"popular":[3],"low-power":[4],"wide-area":[5],"network":[6,37],"(LPWAN)":[7],"technology":[8],"that":[9,60,150],"uses":[10],"spread-spectrum":[11],"to":[12,18,35,40,63,103,163],"achieve":[13],"long-range":[14],"connectivity":[15],"and":[16,20,55,142,165],"resilience":[17],"noise":[19],"interference.":[21],"For":[22],"energy":[23],"efficiency":[24],"reasons,":[25],"adopts":[27],"pure":[29],"ALOHA":[30],"access":[31],"scheme,":[32],"which":[33],"leads":[34],"reduced":[36],"throughput":[38],"due":[39],"packet":[41],"collisions":[42],"at":[43],"the":[44,89,92,109,125,136,139,155,159],"gateways.":[45],"To":[46],"alleviate":[47],"this":[48,51],"issue,":[49],"in":[50,79],"paper":[52],"we":[53],"analyze":[54],"implement":[56],"receiver":[59],"able":[62],"decode":[64],"packets":[66],"from":[67],"two":[68,160],"interfering":[69],"users.":[70],"Our":[71],"main":[72],"contribution":[73],"two-user":[76,111],"detector":[77,114,152],"derived":[78],"maximum-likelihood":[81,93],"fashion":[82],"using":[83],"detailed":[85],"interference":[86],"model.":[87],"As":[88],"complexity":[90],"of":[91,108,138],"sequence":[94],"estimation":[95],"prohibitive,":[97],"complexity-reduction":[99],"technique":[100],"introduced":[102],"enable":[104],"practical":[106],"implementation":[107,134],"proposed":[110,140],"detector.":[112],"This":[113],"has":[115],"been":[116],"implemented":[117],"along":[118],"with":[119],"an":[120],"interference-robust":[121],"synchronization":[122],"algorithm":[123],"on":[124],"GNU":[126],"Radio":[127],"software-defined":[128],"radio":[129],"(SDR)":[130],"platform.":[131],"The":[132],"SDR":[133],"shows":[135],"effectiveness":[137],"method":[141],"also":[143],"allows":[144],"its":[145],"experimental":[146],"evaluation.":[147],"Measurements":[148],"indicate":[149],"our":[151],"inherently":[153],"leverages":[154],"time":[156],"offset":[157],"between":[158],"colliding":[161],"users":[162],"separate":[164],"demodulate":[166],"their":[167],"signals.":[168]},"counts_by_year":[],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}