{"id":"https://openalex.org/W2962951858","doi":"https://doi.org/10.1109/pimrc.2018.8580806","title":"Distributed Layered Grant-Free Non-Orthogonal Multiple Access for Massive MTC","display_name":"Distributed Layered Grant-Free Non-Orthogonal Multiple Access for Massive MTC","publication_year":2018,"publication_date":"2018-09-01","ids":{"openalex":"https://openalex.org/W2962951858","doi":"https://doi.org/10.1109/pimrc.2018.8580806","mag":"2962951858"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2018.8580806","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2018.8580806","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-article"},"type":"conference-paper","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/A5005680489","display_name":"Hui Jiang","orcid":"https://orcid.org/0000-0003-4912-4023"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hui Jiang","raw_affiliation_strings":["National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018587643","display_name":"Qimei Cui","orcid":"https://orcid.org/0000-0003-1720-220X"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qimei Cui","raw_affiliation_strings":["National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101903852","display_name":"Yu Gu","orcid":"https://orcid.org/0000-0003-0135-2326"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yu Gu","raw_affiliation_strings":["National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5091040593","display_name":"Xiaoqi Qin","orcid":"https://orcid.org/0000-0002-5788-0657"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaoqi Qin","raw_affiliation_strings":["National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100686652","display_name":"Xuefei Zhang","orcid":"https://orcid.org/0000-0001-7096-9667"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xuefei Zhang","raw_affiliation_strings":["National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100624765","display_name":"Xiaofeng Tao","orcid":"https://orcid.org/0000-0001-9518-1622"},"institutions":[{"id":"https://openalex.org/I139759216","display_name":"Beijing University of Posts and Telecommunications","ror":"https://ror.org/04w9fbh59","country_code":"CN","type":"education","lineage":["https://openalex.org/I139759216"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiaofeng Tao","raw_affiliation_strings":["National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"National Engineering Laboratory for Mobile Network Technologies, Beijing University of Posts and Telecommunications, Beijing, China","institution_ids":["https://openalex.org/I139759216"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I139759216"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":47,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"7"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998000264167786,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998000264167786,"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/T12079","display_name":"IoT Networks and Protocols","score":0.998199999332428,"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/T10326","display_name":"Indoor and Outdoor Localization Technologies","score":0.9907000064849854,"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":0.7628545761108398},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.727723240852356},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.6382306218147278},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5658254623413086},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.5626602172851562},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.5351361632347107},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5218973755836487},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.46216511726379395},{"id":"https://openalex.org/keywords/random-access","display_name":"Random access","score":0.4149349629878998},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.39344170689582825},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.16781461238861084},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.14209264516830444}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7628545761108398},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.727723240852356},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.6382306218147278},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5658254623413086},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.5626602172851562},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.5351361632347107},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5218973755836487},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.46216511726379395},{"id":"https://openalex.org/C101722063","wikidata":"https://www.wikidata.org/wiki/Q218825","display_name":"Random access","level":2,"score":0.4149349629878998},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.39344170689582825},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.16781461238861084},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.14209264516830444},{"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/pimrc.2018.8580806","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2018.8580806","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":15,"referenced_works":["https://openalex.org/W1922937245","https://openalex.org/W1988969816","https://openalex.org/W2132411069","https://openalex.org/W2310071424","https://openalex.org/W2464863771","https://openalex.org/W2508031406","https://openalex.org/W2601871131","https://openalex.org/W2616428998","https://openalex.org/W2735475593","https://openalex.org/W2737159091","https://openalex.org/W2962894043","https://openalex.org/W2962947312","https://openalex.org/W2964133022","https://openalex.org/W3103720573","https://openalex.org/W3104396742"],"related_works":["https://openalex.org/W3165611029","https://openalex.org/W2370038111","https://openalex.org/W3191669748","https://openalex.org/W2510978767","https://openalex.org/W4365807906","https://openalex.org/W2157864637","https://openalex.org/W4223416141","https://openalex.org/W2546639359","https://openalex.org/W2105999282","https://openalex.org/W1922070205"],"abstract_inverted_index":{"Grant-free":[0],"transmission":[1,12,117,187],"is":[2,26,38,57,75,119,144,163],"considered":[3],"as":[4],"a":[5,86],"promising":[6],"technology":[7],"to":[8,19,40,121,146],"support":[9],"sporadic":[10],"data":[11],"in":[13,43,177],"massive":[14],"machine-type":[15],"communications":[16],"(mMTC).":[17],"Due":[18],"the":[20,64,98,128,148,161,169,197],"distributed":[21,88,111],"manner,":[22],"high":[23],"collision":[24,123],"probability":[25],"an":[27],"inherent":[28],"drawback":[29],"of":[30,131,175,179,196],"grant-free":[31,45,79,90,113],"access":[32,36,136],"techniques.":[33,80],"Non-orthogonal":[34],"multiple":[35],"(NOMA)":[37],"expected":[39,180],"be":[41],"used":[42],"uplink":[44],"transmission,":[46],"multiplying":[47],"connection":[48,132,149,181],"opportunities":[49],"by":[50,172,189],"exploiting":[51],"power":[52,108],"domain":[53],"resources.":[54],"However,":[55],"it":[56],"usually":[58],"applied":[59],"for":[60,78],"coordinated":[61,185],"transmissions":[62],"where":[63],"base":[65],"station":[66],"performs":[67],"coordination":[68],"with":[69,191],"full":[70],"channel":[71],"state":[72],"information,":[73],"which":[74],"not":[76],"suitable":[77],"In":[81],"this":[82,94],"paper,":[83],"we":[84,96,126],"propose":[85],"novel":[87],"layered":[89,112],"NOMA":[91,114,139],"framework.":[92],"Under":[93],"framework,":[95],"divide":[97],"cell":[99],"into":[100],"different":[101],"layers":[102],"based":[103,115],"on":[104],"predetermined":[105],"inter-layer":[106],"received":[107],"difference.":[109],"A":[110,134],"hybrid":[116],"scheme":[118,167,171],"proposed":[120,145,166],"reduce":[122],"probability.":[124],"Moreover,":[125],"derive":[127],"closed-form":[129],"expression":[130],"throughput.":[133],"joint":[135],"control":[137],"and":[138,155,183],"layer":[140],"selection":[141],"(JACNLS)":[142],"algorithm":[143],"solve":[147],"throughput":[150,182],"optimization":[151],"problem.":[152],"The":[153],"numerical":[154],"simulation":[156],"results":[157],"reveal":[158],"that,":[159],"when":[160],"system":[162],"overloaded,":[164],"our":[165],"outperforms":[168,184],"grant-free-only":[170],"three":[173],"orders":[174],"magnitude":[176],"terms":[178],"OMA":[186],"schemes":[188],"31.25%":[190],"only":[192],"0.0189%":[193],"signaling":[194],"overhead":[195],"latter.":[198]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":8},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":9},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":9},{"year":2019,"cited_by_count":5}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}