{"id":"https://openalex.org/W2921240648","doi":"https://doi.org/10.1109/twc.2019.2904269","title":"IoT-U: Cellular Internet-of-Things Networks Over Unlicensed Spectrum","display_name":"IoT-U: Cellular Internet-of-Things Networks Over Unlicensed Spectrum","publication_year":2019,"publication_date":"2019-04-01","ids":{"openalex":"https://openalex.org/W2921240648","doi":"https://doi.org/10.1109/twc.2019.2904269","mag":"2921240648"},"language":"en","primary_location":{"id":"doi:10.1109/twc.2019.2904269","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2019.2904269","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/A5100440579","display_name":"Hongliang Zhang","orcid":"https://orcid.org/0000-0003-3393-8612"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Hongliang Zhang","raw_affiliation_strings":["National Engineering Laboratory for Big Data Analysis and Applications, School of Electronics Engineering and Computer Science, Peking University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Big Data Analysis and Applications, School of Electronics Engineering and Computer Science, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5025572015","display_name":"Boya Di","orcid":"https://orcid.org/0000-0003-3484-1361"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Boya Di","raw_affiliation_strings":["National Engineering Laboratory for Big Data Analysis and Applications, School of Electronics Engineering and Computer Science, Peking University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Big Data Analysis and Applications, School of Electronics Engineering and Computer Science, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5064314482","display_name":"Kaigui Bian","orcid":null},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kaigui Bian","raw_affiliation_strings":["National Engineering Laboratory for Big Data Analysis and Applications, School of Electronics Engineering and Computer Science, Peking University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Big Data Analysis and Applications, School of Electronics Engineering and Computer Science, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102012574","display_name":"Lingyang Song","orcid":"https://orcid.org/0000-0001-8644-8241"},"institutions":[{"id":"https://openalex.org/I20231570","display_name":"Peking University","ror":"https://ror.org/02v51f717","country_code":"CN","type":"education","lineage":["https://openalex.org/I20231570"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lingyang Song","raw_affiliation_strings":["National Engineering Laboratory for Big Data Analysis and Applications, School of Electronics Engineering and Computer Science, Peking University, Beijing, China"],"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Big Data Analysis and Applications, School of Electronics Engineering and Computer Science, Peking University, Beijing, China","institution_ids":["https://openalex.org/I20231570"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100440579"],"corresponding_institution_ids":["https://openalex.org/I20231570"],"apc_list":null,"apc_paid":null,"fwci":3.5768,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.93335238,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"18","issue":"5","first_page":"2477","last_page":"2492"},"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/T10273","display_name":"IoT and Edge/Fog Computing","score":0.9987999796867371,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9969000220298767,"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/computer-science","display_name":"Computer science","score":0.8079713582992554},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6962288618087769},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.6839505434036255},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6210883259773254},{"id":"https://openalex.org/keywords/internet-of-things","display_name":"Internet of Things","score":0.6014419794082642},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.5102584362030029},{"id":"https://openalex.org/keywords/upload","display_name":"Upload","score":0.4596402943134308},{"id":"https://openalex.org/keywords/leverage","display_name":"Leverage (statistics)","score":0.45398157835006714},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4252287745475769},{"id":"https://openalex.org/keywords/spectrum-management","display_name":"Spectrum management","score":0.4136210083961487},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.39010366797447205},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.23151293396949768},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.17658036947250366},{"id":"https://openalex.org/keywords/cognitive-radio","display_name":"Cognitive radio","score":0.15515998005867004},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.10349637269973755},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.07655614614486694},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.07121235132217407}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8079713582992554},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6962288618087769},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.6839505434036255},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6210883259773254},{"id":"https://openalex.org/C81860439","wikidata":"https://www.wikidata.org/wiki/Q251212","display_name":"Internet of Things","level":2,"score":0.6014419794082642},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.5102584362030029},{"id":"https://openalex.org/C71901391","wikidata":"https://www.wikidata.org/wiki/Q7126699","display_name":"Upload","level":2,"score":0.4596402943134308},{"id":"https://openalex.org/C153083717","wikidata":"https://www.wikidata.org/wiki/Q6535263","display_name":"Leverage (statistics)","level":2,"score":0.45398157835006714},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4252287745475769},{"id":"https://openalex.org/C63029442","wikidata":"https://www.wikidata.org/wiki/Q6504978","display_name":"Spectrum management","level":4,"score":0.4136210083961487},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.39010366797447205},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.23151293396949768},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.17658036947250366},{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.15515998005867004},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.10349637269973755},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.07655614614486694},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.07121235132217407},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/twc.2019.2904269","is_oa":false,"landing_page_url":"https://doi.org/10.1109/twc.2019.2904269","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/G7339862247","display_name":null,"funder_award_id":"61625101","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"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W586995468","https://openalex.org/W1484024531","https://openalex.org/W1564088886","https://openalex.org/W1994427482","https://openalex.org/W2113746883","https://openalex.org/W2134289576","https://openalex.org/W2144931885","https://openalex.org/W2150957592","https://openalex.org/W2158893758","https://openalex.org/W2171978813","https://openalex.org/W2189267014","https://openalex.org/W2238723005","https://openalex.org/W2344783839","https://openalex.org/W2493910502","https://openalex.org/W2507748565","https://openalex.org/W2509256189","https://openalex.org/W2587472379","https://openalex.org/W2587967768","https://openalex.org/W2595167321","https://openalex.org/W2602199281","https://openalex.org/W2625808730","https://openalex.org/W2751567280","https://openalex.org/W2764333513","https://openalex.org/W2770964761","https://openalex.org/W2773093775","https://openalex.org/W2782584196","https://openalex.org/W2783858216","https://openalex.org/W2800406063","https://openalex.org/W2807511543","https://openalex.org/W3103282502","https://openalex.org/W3103828530","https://openalex.org/W4213255380","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W790449367","https://openalex.org/W1482197907","https://openalex.org/W2515629000","https://openalex.org/W4302568799","https://openalex.org/W1550567184","https://openalex.org/W2291764513","https://openalex.org/W2950729840","https://openalex.org/W2289314820","https://openalex.org/W2103590590","https://openalex.org/W2156248763"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3,119,136],"consider":[4],"an":[5],"uplink":[6],"cellular":[7,13,48],"Internet-of-Things":[8],"(IoT)":[9],"network,":[10],"where":[11],"a":[12,24,56,122],"user":[14],"(CU)":[15],"can":[16,35,79,164],"serve":[17],"as":[18,89],"the":[19,32,38,42,53,63,66,70,76,81,96,109,115,132,138,160,173],"mobile":[20],"data":[21,40,54,68],"aggregator":[22],"for":[23,84],"cluster":[25],"of":[26,98],"IoT":[27,33,77,90,100,106,167],"devices.":[28],"To":[29,72,130],"be":[30],"specific,":[31],"devices":[34,78,101,168],"either":[36],"transmit":[37,117],"sensory":[39],"to":[41,55,69,88,94],"base":[43],"station":[44],"(BS)":[45],"directly":[46],"by":[47,146],"communications,":[49,86],"or":[50,112],"first":[51,120],"aggregate":[52],"CU":[57,64,111],"through":[58],"machine-to-machine":[59],"(M2M)":[60],"communications":[61],"before":[62],"uploads":[65],"aggregated":[67],"BS.":[71],"support":[73,165],"massive":[74],"connections,":[75],"leverage":[80],"unlicensed":[82,91],"spectrum":[83],"M2M":[85],"referred":[87],"(IoT-U).":[92],"Aiming":[93],"maximize":[95],"number":[97],"scheduled":[99],"and":[102,150],"meanwhile":[103],"associate":[104],"each":[105],"device":[107],"with":[108,114],"right":[110],"BS":[113],"minimum":[116],"power,":[118],"introduce":[121],"single-stage":[123],"formulation":[124],"that":[125,159,170],"captures":[126],"these":[127],"objectives":[128],"simultaneously.":[129],"tackle":[131],"NP-hard":[133],"problem":[134,139],"efficiently,":[135],"decouple":[137],"into":[140],"two":[141],"subproblems,":[142],"which":[143],"are":[144],"solved":[145],"successive":[147],"linear":[148],"programming":[149],"convex":[151],"optimization":[152],"techniques,":[153],"respectively.":[154],"The":[155],"simulation":[156],"results":[157],"show":[158],"proposed":[161],"IoT-U":[162],"scheme":[163],"more":[166],"than":[169],"only":[171],"using":[172],"licensed":[174],"spectrum.":[175]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":11},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}