{"id":"https://openalex.org/W2944486990","doi":"https://doi.org/10.3390/s19092154","title":"Joint Optimization of Interference Coordination Parameters and Base-Station Density for Energy-Efficient Heterogeneous Networks","display_name":"Joint Optimization of Interference Coordination Parameters and Base-Station Density for Energy-Efficient Heterogeneous Networks","publication_year":2019,"publication_date":"2019-05-09","ids":{"openalex":"https://openalex.org/W2944486990","doi":"https://doi.org/10.3390/s19092154","mag":"2944486990","pmid":"https://pubmed.ncbi.nlm.nih.gov/31075926"},"language":"en","primary_location":{"id":"doi:10.3390/s19092154","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19092154","pdf_url":"https://www.mdpi.com/1424-8220/19/9/2154/pdf?version=1557400819","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1424-8220/19/9/2154/pdf?version=1557400819","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5012106928","display_name":"Yanzan Sun","orcid":"https://orcid.org/0000-0003-3131-1760"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanzan Sun","raw_affiliation_strings":["Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100668505","display_name":"Han Xu","orcid":"https://orcid.org/0000-0002-9004-9830"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Han Xu","raw_affiliation_strings":["Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019052479","display_name":"Shunqing Zhang","orcid":"https://orcid.org/0000-0002-5156-9235"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shunqing Zhang","raw_affiliation_strings":["Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5078361695","display_name":"Yating Wu","orcid":"https://orcid.org/0000-0002-8938-3110"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yating Wu","raw_affiliation_strings":["Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100453587","display_name":"Tao Wang","orcid":"https://orcid.org/0000-0002-7440-4556"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Tao Wang","raw_affiliation_strings":["Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5081926589","display_name":"Yong Fang","orcid":null},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yong Fang","raw_affiliation_strings":["Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China","institution_ids":["https://openalex.org/I113940042"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5084521046","display_name":"Shugong Xu","orcid":"https://orcid.org/0000-0003-1905-6269"},"institutions":[{"id":"https://openalex.org/I113940042","display_name":"Shanghai University","ror":"https://ror.org/006teas31","country_code":"CN","type":"education","lineage":["https://openalex.org/I113940042"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shugong Xu","raw_affiliation_strings":["Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China"],"affiliations":[{"raw_affiliation_string":"Shanghai Institute for Advanced Communication and Data Science, Key laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200072, China","institution_ids":["https://openalex.org/I113940042"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":["https://openalex.org/A5100453587"],"corresponding_institution_ids":["https://openalex.org/I113940042"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2598},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2598},"fwci":0.2412,"has_fulltext":true,"cited_by_count":3,"citation_normalized_percentile":{"value":0.53913062,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"19","issue":"9","first_page":"2154","last_page":"2154"},"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9991999864578247,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9973999857902527,"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/reduction","display_name":"Reduction (mathematics)","score":0.6172866821289062},{"id":"https://openalex.org/keywords/heterogeneous-network","display_name":"Heterogeneous network","score":0.5829893946647644},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5658257007598877},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5631215572357178},{"id":"https://openalex.org/keywords/heuristic","display_name":"Heuristic","score":0.5533080101013184},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.5359044671058655},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4118986427783966},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.25421977043151855},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.213455468416214},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.18452861905097961},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17208784818649292},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.15873605012893677},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.11635953187942505}],"concepts":[{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.6172866821289062},{"id":"https://openalex.org/C158207573","wikidata":"https://www.wikidata.org/wiki/Q5747224","display_name":"Heterogeneous network","level":4,"score":0.5829893946647644},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5658257007598877},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5631215572357178},{"id":"https://openalex.org/C173801870","wikidata":"https://www.wikidata.org/wiki/Q201413","display_name":"Heuristic","level":2,"score":0.5533080101013184},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.5359044671058655},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4118986427783966},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.25421977043151855},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.213455468416214},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.18452861905097961},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17208784818649292},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.15873605012893677},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.11635953187942505},{"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},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":5,"locations":[{"id":"doi:10.3390/s19092154","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19092154","pdf_url":"https://www.mdpi.com/1424-8220/19/9/2154/pdf?version=1557400819","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},{"id":"pmid:31075926","is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/31075926","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors (Basel, Switzerland)","raw_type":null},{"id":"pmh:oai:doaj.org/article:86add3da6a6c4c1fb786f82d0077fc2e","is_oa":true,"landing_page_url":"https://doaj.org/article/86add3da6a6c4c1fb786f82d0077fc2e","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors, Vol 19, Iss 9, p 2154 (2019)","raw_type":"article"},{"id":"pmh:oai:mdpi.com:/1424-8220/19/9/2154/","is_oa":true,"landing_page_url":"http://dx.doi.org/10.3390/s19092154","pdf_url":null,"source":{"id":"https://openalex.org/S4306400947","display_name":"MDPI (MDPI AG)","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I4210097602","host_organization_name":"Multidisciplinary Digital Publishing Institute (Switzerland)","host_organization_lineage":["https://openalex.org/I4210097602"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors","raw_type":"Text"},{"id":"pmh:oai:pubmedcentral.nih.gov:6540024","is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6540024","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Sensors (Basel)","raw_type":"Text"}],"best_oa_location":{"id":"doi:10.3390/s19092154","is_oa":true,"landing_page_url":"https://doi.org/10.3390/s19092154","pdf_url":"https://www.mdpi.com/1424-8220/19/9/2154/pdf?version=1557400819","source":{"id":"https://openalex.org/S101949793","display_name":"Sensors","issn_l":"1424-8220","issn":["1424-8220"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310310987","host_organization_name":"Multidisciplinary Digital Publishing Institute","host_organization_lineage":["https://openalex.org/P4310310987"],"host_organization_lineage_names":["Multidisciplinary Digital Publishing Institute"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Sensors","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.8999999761581421}],"awards":[{"id":"https://openalex.org/G6749503337","display_name":null,"funder_award_id":"61701293, 61671011, 61673253, 61420106011","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":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2944486990.pdf","grobid_xml":"https://content.openalex.org/works/W2944486990.grobid-xml"},"referenced_works_count":45,"referenced_works":["https://openalex.org/W1979089517","https://openalex.org/W1983312299","https://openalex.org/W2005108639","https://openalex.org/W2013366448","https://openalex.org/W2015078646","https://openalex.org/W2018989036","https://openalex.org/W2034420299","https://openalex.org/W2042386110","https://openalex.org/W2054742903","https://openalex.org/W2055570307","https://openalex.org/W2086665915","https://openalex.org/W2087391774","https://openalex.org/W2088293838","https://openalex.org/W2125986229","https://openalex.org/W2150166076","https://openalex.org/W2161044775","https://openalex.org/W2164859848","https://openalex.org/W2191948661","https://openalex.org/W2270425622","https://openalex.org/W2313303642","https://openalex.org/W2336972884","https://openalex.org/W2343823234","https://openalex.org/W2346210987","https://openalex.org/W2398409936","https://openalex.org/W2476729824","https://openalex.org/W2520246776","https://openalex.org/W2541524123","https://openalex.org/W2547099321","https://openalex.org/W2552629187","https://openalex.org/W2564676214","https://openalex.org/W2622420702","https://openalex.org/W2622918285","https://openalex.org/W2623190248","https://openalex.org/W2740799653","https://openalex.org/W2741152757","https://openalex.org/W2743113287","https://openalex.org/W2743566083","https://openalex.org/W2755018632","https://openalex.org/W2767359317","https://openalex.org/W2780304656","https://openalex.org/W2782852827","https://openalex.org/W2963480448","https://openalex.org/W3099804118","https://openalex.org/W3100082866","https://openalex.org/W3101445254"],"related_works":["https://openalex.org/W1927327903","https://openalex.org/W1544665982","https://openalex.org/W2022479666","https://openalex.org/W2805504328","https://openalex.org/W2069304052","https://openalex.org/W2355299259","https://openalex.org/W2382846283","https://openalex.org/W2379400063","https://openalex.org/W1982458038","https://openalex.org/W4234131065"],"abstract_inverted_index":{"Heterogeneous":[0],"networks":[1],"(HetNets),":[2],"consisting":[3],"of":[4,21,37,86,91,129,136,143],"macro-cells":[5],"and":[6,25,88,147,163,182,210,224,229,250],"overlaying":[7],"pico-cells,":[8],"have":[9],"been":[10],"recognized":[11],"as":[12,133],"a":[13,134,171,188,193,236],"promising":[14],"paradigm":[15],"to":[16,58,106,175,200,215,242,254],"support":[17],"the":[18,39,60,78,84,89,101,108,111,126,130,156,177,216,219,272],"exponential":[19],"growth":[20],"data":[22],"traffic":[23],"demands":[24],"high":[26],"network":[27,102,109,131,257,273],"energy":[28],"efficiency":[29],"(EE).":[30],"However,":[31],"for":[32,73,100],"two-tier":[33],"heterogeneous":[34],"architecture":[35],"deployment":[36,75],"HetNets,":[38],"inter-tier":[40,61],"interference":[41,49,62],"will":[42],"be":[43],"challenging.":[44],"Time":[45],"domain":[46],"further-enhanced":[47],"inter-cell":[48],"coordination":[50],"(FeICIC)":[51],"proposed":[52,199,241,266],"in":[53,76,118],"3GPP":[54],"Release-11":[55],"becomes":[56],"necessary":[57],"mitigate":[59],"by":[63,170],"applying":[64],"low":[65,144,277],"power":[66,85,140,145,164,183,211,225,247],"almost":[67],"blank":[68],"subframe":[69],"(ABS)":[70],"scheme.":[71],"Therefore,":[72],"HetNets":[74],"reality,":[77],"pico-cell":[79],"range":[80],"expansion":[81],"(CRE)":[82],"bias,":[83,139,246],"ABS":[87,146],"density":[90,149,203,231,252],"pico":[92,137,160,179,207,221,244],"base":[93],"stations":[94],"(PBSs)":[95],"are":[96,115,233],"three":[97,113],"important":[98],"factors":[99,114],"EE":[103,132,258,274],"improvement.":[104],"Aiming":[105],"improve":[107],"EE,":[110],"above":[112,220],"jointly":[116,253],"considered":[117],"this":[119],"paper.":[120],"In":[121],"particular,":[122],"we":[123],"first":[124],"derive":[125],"closed-form":[127],"expression":[128],"function":[135],"CRE":[138,161,180,208,222,245],"reduction":[141,165,184,212,226,248],"factor":[142,166,185,227,249],"PBS":[148,190,202,230,251],"based":[150,204],"on":[151,205],"stochastic":[152],"geometry":[153],"model.":[154],"Then,":[155],"approximate":[157],"relationship":[158],"between":[159],"bias":[162,181,209,223],"is":[167,197,239],"deduced,":[168],"followed":[169],"linear":[172,194],"search":[173,195],"algorithm":[174,196,238,268],"get":[176],"near-optimal":[178],"together":[186],"at":[187],"given":[189],"density.":[191],"Next,":[192],"further":[198,240],"optimize":[201,243],"fixed":[206],"factor.":[213],"Due":[214],"fact":[217],"that":[218,264],"optimization":[228,232],"optimized":[234],"separately,":[235],"heuristic":[237,267],"achieve":[255],"global":[256],"maximization.":[259],"Numerical":[260],"simulation":[261],"results":[262],"show":[263],"our":[265],"can":[269],"significantly":[270],"enhance":[271],"while":[275],"incurring":[276],"computational":[278],"complexity.":[279]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}