{"id":"https://openalex.org/W2887956247","doi":"https://doi.org/10.1109/icc.2018.8422359","title":"Joint User Association and Resource Optimization for Unlicensed LTE Systems","display_name":"Joint User Association and Resource Optimization for Unlicensed LTE Systems","publication_year":2018,"publication_date":"2018-05-01","ids":{"openalex":"https://openalex.org/W2887956247","doi":"https://doi.org/10.1109/icc.2018.8422359","mag":"2887956247"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2018.8422359","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2018.8422359","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-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/A5100448480","display_name":"Rui Liu","orcid":"https://orcid.org/0000-0002-4444-5701"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Rui Liu","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019562814","display_name":"Qimei Chen","orcid":"https://orcid.org/0000-0003-2497-8911"},"institutions":[{"id":"https://openalex.org/I37461747","display_name":"Wuhan University","ror":"https://ror.org/033vjfk17","country_code":"CN","type":"education","lineage":["https://openalex.org/I37461747"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Qimei Chen","raw_affiliation_strings":["College of Electrical Information, Wuhan University, Wuhan, China"],"affiliations":[{"raw_affiliation_string":"College of Electrical Information, Wuhan University, Wuhan, China","institution_ids":["https://openalex.org/I37461747"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5079187892","display_name":"Guanding Yu","orcid":"https://orcid.org/0000-0003-1354-2557"},"institutions":[{"id":"https://openalex.org/I76130692","display_name":"Zhejiang University","ror":"https://ror.org/00a2xv884","country_code":"CN","type":"education","lineage":["https://openalex.org/I76130692"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guanding Yu","raw_affiliation_strings":["College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China"],"affiliations":[{"raw_affiliation_string":"College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou, China","institution_ids":["https://openalex.org/I76130692"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5100448480"],"corresponding_institution_ids":["https://openalex.org/I76130692"],"apc_list":null,"apc_paid":null,"fwci":1.1072,"has_fulltext":false,"cited_by_count":7,"citation_normalized_percentile":{"value":0.80467553,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"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/T11158","display_name":"Wireless Networks and Protocols","score":0.9998000264167786,"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"}},"topics":[{"id":"https://openalex.org/T11158","display_name":"Wireless Networks and Protocols","score":0.9998000264167786,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9997000098228455,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9997000098228455,"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":0.7321789264678955},{"id":"https://openalex.org/keywords/bandwidth","display_name":"Bandwidth (computing)","score":0.5968297123908997},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5922090411186218},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5657050609588623},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.5556054711341858},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5240809321403503},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.5150196552276611},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5140649080276489},{"id":"https://openalex.org/keywords/bandwidth-allocation","display_name":"Bandwidth allocation","score":0.4953805208206177},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.4865626394748688},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.48469117283821106},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.4630703032016754},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4145435392856598},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.3297952711582184},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.23354485630989075},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.21824118494987488},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1290399134159088},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11150428652763367},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.10877498984336853}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7321789264678955},{"id":"https://openalex.org/C2776257435","wikidata":"https://www.wikidata.org/wiki/Q1576430","display_name":"Bandwidth (computing)","level":2,"score":0.5968297123908997},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5922090411186218},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5657050609588623},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.5556054711341858},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5240809321403503},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.5150196552276611},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5140649080276489},{"id":"https://openalex.org/C200157131","wikidata":"https://www.wikidata.org/wiki/Q4854763","display_name":"Bandwidth allocation","level":3,"score":0.4953805208206177},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.4865626394748688},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.48469117283821106},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.4630703032016754},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4145435392856598},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.3297952711582184},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.23354485630989075},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.21824118494987488},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1290399134159088},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11150428652763367},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.10877498984336853},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc.2018.8422359","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2018.8422359","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 IEEE International Conference on Communications (ICC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","display_name":"Industry, innovation and infrastructure","score":0.4699999988079071}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1992870629","https://openalex.org/W2012500540","https://openalex.org/W2068115726","https://openalex.org/W2113746883","https://openalex.org/W2118472616","https://openalex.org/W2162598825","https://openalex.org/W2183139955","https://openalex.org/W2184745253","https://openalex.org/W2290110915","https://openalex.org/W2290353973","https://openalex.org/W2323909775","https://openalex.org/W2417691320","https://openalex.org/W4235234911","https://openalex.org/W6696855575"],"related_works":["https://openalex.org/W3209566644","https://openalex.org/W1501465487","https://openalex.org/W2500106866","https://openalex.org/W2149569983","https://openalex.org/W1989270073","https://openalex.org/W2122807322","https://openalex.org/W2124130287","https://openalex.org/W2037283301","https://openalex.org/W2027592263","https://openalex.org/W4232672622"],"abstract_inverted_index":{"LTE-Unlicensed":[0],"(LTE-U)":[1],"has":[2],"been":[3],"widely":[4],"considered":[5],"as":[6],"one":[7],"of":[8,65,95,126],"the":[9,27,31,40,62,80,93,105,122],"most":[10],"up-to-date":[11],"promising":[12],"innovations":[13],"to":[14,83],"achieve":[15],"more":[16],"ambitious":[17],"data":[18],"rate":[19],"under":[20],"a":[21,68,100],"unified":[22],"networking":[23],"architecture":[24],"by":[25],"extending":[26],"LTE":[28],"network":[29],"into":[30],"bandwidth-rich":[32],"unlicensed":[33],"spectrum.":[34],"In":[35],"this":[36],"paper,":[37],"we":[38],"study":[39],"user":[41],"association":[42],"optimization":[43,71],"for":[44],"LTE-U":[45,66],"systems":[46],"with":[47],"multiple":[48],"small":[49],"cell":[50],"base":[51],"stations":[52],"(SBSs)":[53],"and":[54,124],"WiFi":[55],"access":[56],"points":[57],"(APs).":[58],"Aiming":[59],"at":[60],"maximizing":[61],"whole":[63],"throughput":[64],"systems,":[67],"non-convex":[69],"combinatorial":[70],"problem":[72],"is":[73,76,89,111,117],"modeled,":[74],"which":[75],"NP-hard.":[77],"By":[78],"relaxing":[79],"integer":[81],"variables":[82],"continuous":[84],"variables,":[85],"an":[86],"upper-bound":[87],"algorithm":[88,102],"developed":[90],"based":[91,103],"on":[92,104],"theory":[94],"sum-of-":[96],"ratios":[97],"optimization.":[98],"Moreover,":[99],"heuristic":[101],"student":[106],"project":[107],"allocation":[108],"(SPA)":[109],"modeling":[110],"also":[112],"developed,":[113],"whose":[114],"computational":[115],"complexity":[116],"linear.":[118],"Numerical":[119],"results":[120],"demonstrate":[121],"effectiveness":[123],"efficiency":[125],"our":[127],"proposed":[128],"algorithms.":[129]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
