{"id":"https://openalex.org/W2027724636","doi":"https://doi.org/10.1109/chinacom.2011.6158220","title":"Clashes of femtocells with limited number of location area codes","display_name":"Clashes of femtocells with limited number of location area codes","publication_year":2011,"publication_date":"2011-08-01","ids":{"openalex":"https://openalex.org/W2027724636","doi":"https://doi.org/10.1109/chinacom.2011.6158220","mag":"2027724636"},"language":"en","primary_location":{"id":"doi:10.1109/chinacom.2011.6158220","is_oa":false,"landing_page_url":"https://doi.org/10.1109/chinacom.2011.6158220","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 6th International ICST Conference on Communications and Networking in China (CHINACOM)","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/A5101625048","display_name":"Yifei Huang","orcid":"https://orcid.org/0000-0003-1987-7323"},"institutions":[{"id":"https://openalex.org/I31746571","display_name":"UNSW Sydney","ror":"https://ror.org/03r8z3t63","country_code":"AU","type":"education","lineage":["https://openalex.org/I31746571"]}],"countries":["AU"],"is_corresponding":false,"raw_author_name":"Yifei Huang","raw_affiliation_strings":["School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, Australia","School of Electrical Engineering and Telecommunications, University of New South Wales,Sydney,Australia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales, Sydney, Australia","institution_ids":["https://openalex.org/I31746571"]},{"raw_affiliation_string":"School of Electrical Engineering and Telecommunications, University of New South Wales,Sydney,Australia","institution_ids":["https://openalex.org/I31746571"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075571621","display_name":"Jason Hang Ching Leung","orcid":"https://orcid.org/0000-0003-3382-9096"},"institutions":[{"id":"https://openalex.org/I1322087612","display_name":"Alcatel Lucent (Germany)","ror":"https://ror.org/00c5mwp75","country_code":"DE","type":"company","lineage":["https://openalex.org/I1322087612"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Jason Leung","raw_affiliation_strings":["Wireless Access Division, Alcatel-Lucent, Rhodes, NSW, Australia","Wireless Access Division, Alcatel-Lucent, Rhodes, NSW, Australia#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Access Division, Alcatel-Lucent, Rhodes, NSW, Australia","institution_ids":[]},{"raw_affiliation_string":"Wireless Access Division, Alcatel-Lucent, Rhodes, NSW, Australia#TAB#","institution_ids":["https://openalex.org/I1322087612"]}]}],"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":false,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"574","last_page":"579"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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"}},"topics":[{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","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"}},{"id":"https://openalex.org/T11896","display_name":"Opportunistic and Delay-Tolerant Networks","score":0.996999979019165,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9958000183105469,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/femtocell","display_name":"Femtocell","score":0.9842383861541748},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7052536010742188},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6793417930603027},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5669265389442444},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.47184184193611145},{"id":"https://openalex.org/keywords/internet-access","display_name":"Internet access","score":0.4481019675731659},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4420723617076874},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.3653640151023865},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.32143235206604004},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.11953821778297424}],"concepts":[{"id":"https://openalex.org/C152504517","wikidata":"https://www.wikidata.org/wiki/Q572455","display_name":"Femtocell","level":3,"score":0.9842383861541748},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7052536010742188},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6793417930603027},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5669265389442444},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.47184184193611145},{"id":"https://openalex.org/C83849155","wikidata":"https://www.wikidata.org/wiki/Q1472399","display_name":"Internet access","level":3,"score":0.4481019675731659},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4420723617076874},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.3653640151023865},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.32143235206604004},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.11953821778297424},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/chinacom.2011.6158220","is_oa":false,"landing_page_url":"https://doi.org/10.1109/chinacom.2011.6158220","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 6th International ICST Conference on Communications and Networking in China (CHINACOM)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.75,"id":"https://metadata.un.org/sdg/1","display_name":"No poverty"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W2122496159","https://openalex.org/W2156711827","https://openalex.org/W2203131455","https://openalex.org/W2247577852","https://openalex.org/W2322524800","https://openalex.org/W2588980185","https://openalex.org/W4401384015"],"related_works":["https://openalex.org/W2052892589","https://openalex.org/W80206304","https://openalex.org/W2153023023","https://openalex.org/W2287071596","https://openalex.org/W2137662009","https://openalex.org/W1987533529","https://openalex.org/W2303288554","https://openalex.org/W2241548137","https://openalex.org/W125393411","https://openalex.org/W3033750547"],"abstract_inverted_index":{"Common":[0],"cellular":[1],"blackspots":[2],"such":[3,76,118],"as":[4,77],"low":[5,25],"lying":[6],"areas":[7],"and":[8,129,139],"indoors":[9],"have":[10],"recently":[11],"countered":[12],"the":[13,20,40,96,102,114,144,154],"problem":[14],"of":[15,22,71,90,104,117,146,156],"poor":[16],"network":[17],"coverage":[18,38],"through":[19],"use":[21],"femtocells,":[23],"i.e.,":[24],"power":[26],"mobile":[27,37],"base":[28],"stations":[29],"deployed":[30],"in":[31],"an":[32],"ad-hoc":[33],"manner":[34],"offering":[35],"dedicated":[36],"for":[39,67],"home,":[41],"business":[42],"or":[43],"hotspot":[44],"via":[45],"a":[46,56,88,107],"broadband":[47],"Internet":[48],"connection.":[49],"Each":[50],"active":[51,92],"femtocell":[52,125],"must":[53,62],"be":[54,149],"assigned":[55],"Location":[57],"Area":[58],"Code":[59],"(LAC)":[60],"which":[61],"differ":[63],"from":[64],"neighbouring":[65],"LACs":[66,157],"Mobility":[68],"Management":[69],"purposes":[70],"connected":[72],"end":[73],"user":[74],"devices":[75],"handsets.":[78],"When":[79],"each":[80],"LAC":[81],"is":[82,86,110],"randomly":[83],"assigned,":[84],"there":[85],"always":[87],"probability":[89],"adjacent":[91],"femtocells":[93],"being":[94],"allocated":[95],"same":[97],"LAC.":[98],"To":[99],"better":[100],"understand":[101],"frequency":[103],"potential":[105],"clashes,":[106],"mathematical":[108,135],"analysis":[109],"provided":[111],"to":[112,132],"determine":[113],"expected":[115],"number":[116,145,155],"conflicts.":[119],"In":[120],"this":[121],"paper,":[122],"real":[123],"life":[124],"distributions":[126],"are":[127],"modelled":[128],"simulations":[130],"performed":[131],"confirm":[133],"derived":[134],"results.":[136],"Both":[137],"theoretical":[138],"simulation":[140],"results":[141],"show":[142],"that":[143],"clashes":[147],"can":[148],"proportionally":[150],"decreased":[151],"by":[152],"increasing":[153],"available.":[158]},"counts_by_year":[],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}