{"id":"https://openalex.org/W1973560162","doi":"https://doi.org/10.1109/jstsp.2012.2190381","title":"On the Expanded Region of Picocells in Heterogeneous Networks","display_name":"On the Expanded Region of Picocells in Heterogeneous Networks","publication_year":2012,"publication_date":"2012-03-08","ids":{"openalex":"https://openalex.org/W1973560162","doi":"https://doi.org/10.1109/jstsp.2012.2190381","mag":"1973560162"},"language":"en","primary_location":{"id":"doi:10.1109/jstsp.2012.2190381","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2012.2190381","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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 Journal of Selected Topics in Signal Processing","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/A5105467988","display_name":"David Lopez-Perez","orcid":null},"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":true,"raw_author_name":"David Lopez-Perez","raw_affiliation_strings":["Centre for Telecommunications Research, Kings College London, London, UK","Centre for Telecommun. Res., King''s Coll. London, London, UK"],"affiliations":[{"raw_affiliation_string":"Centre for Telecommunications Research, Kings College London, London, UK","institution_ids":["https://openalex.org/I183935753"]},{"raw_affiliation_string":"Centre for Telecommun. Res., King''s Coll. London, London, UK","institution_ids":["https://openalex.org/I183935753"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5069850104","display_name":"Xiaoli Chu","orcid":"https://orcid.org/0000-0003-1863-6149"},"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":"Xiaoli Chu","raw_affiliation_strings":["Centre for Telecommunications Research, Kings College London, London, UK","Centre for Telecommun. Res., King''s Coll. London, London, UK"],"affiliations":[{"raw_affiliation_string":"Centre for Telecommunications Research, Kings College London, London, UK","institution_ids":["https://openalex.org/I183935753"]},{"raw_affiliation_string":"Centre for Telecommun. Res., King''s Coll. London, London, UK","institution_ids":["https://openalex.org/I183935753"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5016722903","display_name":"\u0130smail G\u00fcven\u00e7","orcid":"https://orcid.org/0000-0002-1387-6242"},"institutions":[{"id":"https://openalex.org/I4210147724","display_name":"International Trachoma Initiative","ror":"https://ror.org/045jt2189","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210147724"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"\u0130smail Guvenc","raw_affiliation_strings":["DOCOMO Innovations, Inc., Palo Alto, CA, USA","[DOCOMO Innovations, Inc, Palo Alto, CA, USA]"],"affiliations":[{"raw_affiliation_string":"DOCOMO Innovations, Inc., Palo Alto, CA, USA","institution_ids":[]},{"raw_affiliation_string":"[DOCOMO Innovations, Inc, Palo Alto, CA, USA]","institution_ids":["https://openalex.org/I4210147724"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5105467988"],"corresponding_institution_ids":["https://openalex.org/I183935753"],"apc_list":null,"apc_paid":null,"fwci":24.7154,"has_fulltext":false,"cited_by_count":181,"citation_normalized_percentile":{"value":0.9970959,"is_in_top_1_percent":true,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":100},"biblio":{"volume":"6","issue":"3","first_page":"281","last_page":"294"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":1.0,"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":1.0,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9995999932289124,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.9995999932289124,"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/macrocell","display_name":"Macrocell","score":0.9868447780609131},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.7834522724151611},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5758011341094971},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5605209469795227},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.551474392414093},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5232937932014465},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.45217517018318176},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.26955801248550415},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23544350266456604}],"concepts":[{"id":"https://openalex.org/C2778291847","wikidata":"https://www.wikidata.org/wiki/Q1163937","display_name":"Macrocell","level":3,"score":0.9868447780609131},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.7834522724151611},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5758011341094971},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5605209469795227},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.551474392414093},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5232937932014465},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.45217517018318176},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.26955801248550415},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23544350266456604},{"id":"https://openalex.org/C21547014","wikidata":"https://www.wikidata.org/wiki/Q1423657","display_name":"Operations management","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":2,"locations":[{"id":"doi:10.1109/jstsp.2012.2190381","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jstsp.2012.2190381","pdf_url":null,"source":{"id":"https://openalex.org/S42167783","display_name":"IEEE Journal of Selected Topics in Signal Processing","issn_l":"1932-4553","issn":["1932-4553","1941-0484"],"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 Journal of Selected Topics in Signal Processing","raw_type":"journal-article"},{"id":"pmh:oai:eprints.whiterose.ac.uk:77288","is_oa":false,"landing_page_url":"http://eprints.whiterose.ac.uk/77288/","pdf_url":null,"source":{"id":"https://openalex.org/S4306400854","display_name":"White Rose Research Online (University of Leeds, The University of Sheffield, University of York)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I2800616092","host_organization_name":"White Rose University Consortium","host_organization_lineage":["https://openalex.org/I2800616092"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[{"id":"https://openalex.org/G4156393328","display_name":null,"funder_award_id":"EP/H020268/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":31,"referenced_works":["https://openalex.org/W638229862","https://openalex.org/W1490674876","https://openalex.org/W1495565530","https://openalex.org/W1591875227","https://openalex.org/W1977545325","https://openalex.org/W1978640720","https://openalex.org/W2021452703","https://openalex.org/W2030019404","https://openalex.org/W2109346299","https://openalex.org/W2113643803","https://openalex.org/W2117527647","https://openalex.org/W2122496159","https://openalex.org/W2127414124","https://openalex.org/W2127470768","https://openalex.org/W2129591674","https://openalex.org/W2131541710","https://openalex.org/W2136530738","https://openalex.org/W2144839491","https://openalex.org/W2151673354","https://openalex.org/W2154782861","https://openalex.org/W2159664891","https://openalex.org/W2166992175","https://openalex.org/W2171203705","https://openalex.org/W2217450957","https://openalex.org/W2478503558","https://openalex.org/W2543908136","https://openalex.org/W4213060235","https://openalex.org/W4301216918","https://openalex.org/W6645046715","https://openalex.org/W6685037053","https://openalex.org/W7001373365"],"related_works":["https://openalex.org/W1763182976","https://openalex.org/W2785415239","https://openalex.org/W1520620655","https://openalex.org/W790449367","https://openalex.org/W2167292361","https://openalex.org/W1482197907","https://openalex.org/W2289314820","https://openalex.org/W2017282549","https://openalex.org/W4302568799","https://openalex.org/W1550567184"],"abstract_inverted_index":{"In":[0,92],"order":[1],"to":[2,37,83,99,119,131,141],"expand":[3],"the":[4,12,18,38,84,88,156,159],"downlink":[5],"(DL)":[6],"coverage":[7],"areas":[8],"of":[9,14,20,44,59,158],"picocells":[10],"in":[11,27,64,69],"presence":[13],"an":[15],"umbrella":[16],"macrocell,":[17],"concept":[19],"range":[21,31,53,106],"expansion":[22,32,54,107],"has":[23],"been":[24],"recently":[25],"proposed,":[26],"which":[28],"a":[29,125],"positive":[30],"bias":[33],"(REB)":[34],"is":[35],"added":[36],"DL":[39,57,66,90,111,134],"received":[40],"signal":[41],"strengths":[42],"(RSSs)":[43],"picocell":[45,70,76,121],"pilot":[46],"signals":[47],"at":[48,152],"user":[49,77],"equipments":[50,78],"(UEs).":[51],"Although":[52],"may":[55],"increase":[56],"footprints":[58],"picocells,":[60,153],"it":[61],"also":[62],"results":[63,145],"severe":[65],"inter-cell":[67,115],"interference":[68,116,137],"expanded":[71],"regions":[72],"(ERs),":[73],"because":[74],"ER":[75,142],"(PUEs)":[79],"are":[80],"not":[81],"connected":[82],"cells":[85],"that":[86],"provide":[87,146],"strongest":[89],"RSSs.":[91],"this":[93],"paper,":[94],"we":[95],"derive":[96],"closed-form":[97],"formulas":[98],"calculate":[100],"appropriate":[101],"REBs":[102],"for":[103],"two":[104],"different":[105],"strategies,":[108],"investigate":[109],"both":[110,133],"and":[112,123,135,154],"uplink":[113],"(UL)":[114],"coordination":[117],"(ICIC)":[118],"enhance":[120],"performance,":[122],"propose":[124],"new":[126],"macrocell\u2013picocell":[127,161],"cooperative":[128,162],"scheduling":[129,163],"scheme":[130,164],"mitigate":[132],"UL":[136],"caused":[138],"by":[139],"macrocells":[140],"PUEs.":[143],"Simulation":[144],"insights":[147],"on":[148],"REB":[149],"selection":[150],"approaches":[151],"demonstrate":[155],"benefits":[157],"proposed":[160],"over":[165],"alternative":[166],"approaches.":[167]},"counts_by_year":[{"year":2025,"cited_by_count":3},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":5},{"year":2020,"cited_by_count":7},{"year":2019,"cited_by_count":9},{"year":2018,"cited_by_count":5},{"year":2017,"cited_by_count":16},{"year":2016,"cited_by_count":22},{"year":2015,"cited_by_count":29},{"year":2014,"cited_by_count":36},{"year":2013,"cited_by_count":32},{"year":2012,"cited_by_count":2}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}