{"id":"https://openalex.org/W2973519624","doi":"https://doi.org/10.1109/icc40277.2020.9148807","title":"Space Diversity-Based Grant-Free Random Access for Critical and Non-Critical IoT Services","display_name":"Space Diversity-Based Grant-Free Random Access for Critical and Non-Critical IoT Services","publication_year":2020,"publication_date":"2020-06-01","ids":{"openalex":"https://openalex.org/W2973519624","doi":"https://doi.org/10.1109/icc40277.2020.9148807","mag":"2973519624"},"language":"en","primary_location":{"id":"doi:10.1109/icc40277.2020.9148807","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc40277.2020.9148807","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2020 - 2020 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-article"},"type":"conference-paper","indexed_in":["arxiv","crossref","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/1909.10283","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060023455","display_name":"Rahif Kassab","orcid":"https://orcid.org/0000-0002-0637-5060"},"institutions":[{"id":"https://openalex.org/I183935753","display_name":"King's College London","ror":"https://ror.org/0220mzb33","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I183935753"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Rahif Kassab","raw_affiliation_strings":["King\u2019s Centre for Learning and Information Processing (kclip), King\u2019s College London, London, UK","King's College London"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"King\u2019s Centre for Learning and Information Processing (kclip), King\u2019s College London, London, UK","institution_ids":["https://openalex.org/I183935753"]},{"raw_affiliation_string":"King's College London","institution_ids":["https://openalex.org/I183935753"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5017736224","display_name":"Osvaldo Simeone","orcid":"https://orcid.org/0000-0001-9898-3209"},"institutions":[{"id":"https://openalex.org/I183935753","display_name":"King's College London","ror":"https://ror.org/0220mzb33","country_code":"GB","type":"education","lineage":["https://openalex.org/I124357947","https://openalex.org/I183935753"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Osvaldo Simeone","raw_affiliation_strings":["King\u2019s Centre for Learning and Information Processing (kclip), King\u2019s College London, London, UK","King's College London"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"King\u2019s Centre for Learning and Information Processing (kclip), King\u2019s College London, London, UK","institution_ids":["https://openalex.org/I183935753"]},{"raw_affiliation_string":"King's College London","institution_ids":["https://openalex.org/I183935753"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5049829915","display_name":"Andrea Munari","orcid":"https://orcid.org/0000-0003-1506-2792"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Andrea Munari","raw_affiliation_strings":["Institute of Communications and Navigation, German Aerospace Center (DLR), Wessling, Germany","[German Aerospace Center]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Communications and Navigation, German Aerospace Center (DLR), Wessling, Germany","institution_ids":["https://openalex.org/I2898391981"]},{"raw_affiliation_string":"[German Aerospace Center]","institution_ids":["https://openalex.org/I2898391981"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5046868387","display_name":"Federico Clazzer","orcid":"https://orcid.org/0000-0002-9688-2436"},"institutions":[{"id":"https://openalex.org/I2898391981","display_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","ror":"https://ror.org/04bwf3e34","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I2898391981"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Federico Clazzer","raw_affiliation_strings":["Institute of Communications and Navigation, German Aerospace Center (DLR), Wessling, Germany","[German Aerospace Center]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institute of Communications and Navigation, German Aerospace Center (DLR), Wessling, Germany","institution_ids":["https://openalex.org/I2898391981"]},{"raw_affiliation_string":"[German Aerospace Center]","institution_ids":["https://openalex.org/I2898391981"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"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/T11158","display_name":"Wireless Networks and Protocols","score":0.9994999766349792,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9991000294685364,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/aloha","display_name":"Aloha","score":0.8563807010650635},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.7389214038848877},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7041060924530029},{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.5942123532295227},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.5696525573730469},{"id":"https://openalex.org/keywords/backhaul","display_name":"Backhaul (telecommunications)","score":0.5582430362701416},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.4983794689178467},{"id":"https://openalex.org/keywords/erasure","display_name":"Erasure","score":0.4889148771762848},{"id":"https://openalex.org/keywords/antenna-diversity","display_name":"Antenna diversity","score":0.4872052073478699},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4617846608161926},{"id":"https://openalex.org/keywords/collision","display_name":"Collision","score":0.420211523771286},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.3025001287460327},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22287237644195557},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.20491167902946472}],"concepts":[{"id":"https://openalex.org/C2776398200","wikidata":"https://www.wikidata.org/wiki/Q508880","display_name":"Aloha","level":4,"score":0.8563807010650635},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7389214038848877},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7041060924530029},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.5942123532295227},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.5696525573730469},{"id":"https://openalex.org/C103760667","wikidata":"https://www.wikidata.org/wiki/Q798444","display_name":"Backhaul (telecommunications)","level":3,"score":0.5582430362701416},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.4983794689178467},{"id":"https://openalex.org/C2778790127","wikidata":"https://www.wikidata.org/wiki/Q484885","display_name":"Erasure","level":2,"score":0.4889148771762848},{"id":"https://openalex.org/C60069766","wikidata":"https://www.wikidata.org/wiki/Q357054","display_name":"Antenna diversity","level":3,"score":0.4872052073478699},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4617846608161926},{"id":"https://openalex.org/C121704057","wikidata":"https://www.wikidata.org/wiki/Q352070","display_name":"Collision","level":2,"score":0.420211523771286},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.3025001287460327},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22287237644195557},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.20491167902946472},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":6,"locations":[{"id":"doi:10.1109/icc40277.2020.9148807","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc40277.2020.9148807","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"ICC 2020 - 2020 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-article"},{"id":"pmh:oai:elib.dlr.de:134440","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ICC40277.2020.9148807>.","pdf_url":null,"source":{"id":"https://openalex.org/S4377196266","display_name":"elib (German Aerospace Center)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2898391981","host_organization_name":"Deutsches Zentrum f\u00fcr Luft- und Raumfahrt e. V. (DLR)","host_organization_lineage":["https://openalex.org/I2898391981"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":null,"raw_type":"Konferenzbeitrag"},{"id":"pmh:oai:arXiv.org:1909.10283","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1909.10283","pdf_url":"https://arxiv.org/pdf/1909.10283","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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:2973519624","is_oa":true,"landing_page_url":"https://arxiv.org/pdf/1909.10283","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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:kclpure.kcl.ac.uk:publications/920970fe-c069-4811-9d7d-12a81aaee09b","is_oa":false,"landing_page_url":"https://kclpure.kcl.ac.uk/portal/en/publications/920970fe-c069-4811-9d7d-12a81aaee09b","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"contributionToPeriodical"},{"id":"doi:10.48550/arxiv.1909.10283","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.1909.10283","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:1909.10283","is_oa":true,"landing_page_url":"http://arxiv.org/abs/1909.10283","pdf_url":"https://arxiv.org/pdf/1909.10283","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"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":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2973519624.pdf","grobid_xml":"https://content.openalex.org/works/W2973519624.grobid-xml"},"referenced_works_count":23,"referenced_works":["https://openalex.org/W1997341747","https://openalex.org/W2010630450","https://openalex.org/W2056099894","https://openalex.org/W2108659721","https://openalex.org/W2150847784","https://openalex.org/W2210462884","https://openalex.org/W2596324967","https://openalex.org/W2605344455","https://openalex.org/W2738284931","https://openalex.org/W2811833300","https://openalex.org/W2906179643","https://openalex.org/W2920935078","https://openalex.org/W2948324825","https://openalex.org/W2957405790","https://openalex.org/W2962783428","https://openalex.org/W2962917428","https://openalex.org/W2963035503","https://openalex.org/W2963469821","https://openalex.org/W2963924352","https://openalex.org/W2964224080","https://openalex.org/W6760277297","https://openalex.org/W6763769004","https://openalex.org/W6765477798"],"related_works":["https://openalex.org/W2991034863","https://openalex.org/W2594476093","https://openalex.org/W2744428431","https://openalex.org/W3045506529","https://openalex.org/W3115238784","https://openalex.org/W1526175539","https://openalex.org/W1858124727","https://openalex.org/W1965733547","https://openalex.org/W2068688034","https://openalex.org/W2156379635","https://openalex.org/W2115931011","https://openalex.org/W2156774506","https://openalex.org/W2594741393","https://openalex.org/W2171859705","https://openalex.org/W2139991535","https://openalex.org/W2310131861","https://openalex.org/W2158748257","https://openalex.org/W2153767430","https://openalex.org/W2149213581","https://openalex.org/W1966835488"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"study":[4],"the":[5,28,46,51,78,119],"coexistence":[6],"of":[7,12,21,80],"critical":[8,123],"and":[9,24,87,97,104,107,112,124],"non-critical":[10,125],"Internet":[11],"Things":[13],"(IoT)":[14],"services":[15],"on":[16],"a":[17,58,63],"grant-free":[18],"channel":[19,44],"consisting":[20],"radio":[22,29],"access":[23,30,37],"backhaul":[25,66],"segments.":[26],"On":[27],"segment,":[31,67],"IoT":[32,126],"devices":[33],"send":[34],"packets":[35],"to":[36,57,117],"points":[38],"(APs)":[39],"over":[40,62],"an":[41,70],"erasure":[42,71],"collision":[43,72],"using":[45],"slotted":[47],"ALOHA":[48],"protocol.":[49],"Then,":[50],"APs":[52,75],"forward":[53],"correctly":[54],"received":[55],"messages":[56],"base":[59],"station":[60],"(BS)":[61],"shared":[64],"wireless":[65],"modeled":[68],"as":[69],"channel.":[73],"The":[74],"hence":[76],"play":[77],"role":[79],"uncoordinated":[81],"relays":[82],"that":[83],"provide":[84],"space":[85],"diversity":[86],"may":[88],"reduce":[89],"performance":[90,120],"losses":[91],"caused":[92],"by":[93],"collisions.":[94],"Both":[95],"non-orthogonal":[96],"inter-service":[98],"orthogonal":[99],"resource":[100],"sharing":[101],"are":[102,110,115],"considered":[103],"compared.":[105],"Throughput":[106],"reliability":[108],"metrics":[109],"analyzed,":[111],"numerical":[113],"results":[114],"provided":[116],"assess":[118],"trade-offs":[121],"between":[122],"services.":[127]},"counts_by_year":[{"year":2020,"cited_by_count":3}],"updated_date":"2026-07-28T07:46:37.118299","created_date":"2025-10-10T00:00:00"}