{"id":"https://openalex.org/W1489884101","doi":"https://doi.org/10.1109/vtcspring.2015.7145738","title":"Channel-Oriented Channel Allocation Scheme (COCAS) for Multi-Antenna OFDMA Femtocells","display_name":"Channel-Oriented Channel Allocation Scheme (COCAS) for Multi-Antenna OFDMA Femtocells","publication_year":2015,"publication_date":"2015-05-01","ids":{"openalex":"https://openalex.org/W1489884101","doi":"https://doi.org/10.1109/vtcspring.2015.7145738","mag":"1489884101"},"language":"en","primary_location":{"id":"doi:10.1109/vtcspring.2015.7145738","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtcspring.2015.7145738","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE 81st Vehicular Technology Conference (VTC Spring)","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/A5077684464","display_name":"Ang-Hsun Tsai","orcid":"https://orcid.org/0000-0003-2445-3939"},"institutions":[{"id":"https://openalex.org/I111149068","display_name":"National Defense University","ror":"https://ror.org/01nqk4x38","country_code":"US","type":"education","lineage":["https://openalex.org/I111149068"]},{"id":"https://openalex.org/I4210094862","display_name":"National Defense University","ror":"https://ror.org/00hkj1v53","country_code":"TW","type":"education","lineage":["https://openalex.org/I4210094862"]}],"countries":["TW","US"],"is_corresponding":false,"raw_author_name":"Ang-Hsun Tsai","raw_affiliation_strings":["Department of Electrical and Electronic Engineering, National Defense University, Taiwan","National Defense University, Taiwan#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Electronic Engineering, National Defense University, Taiwan","institution_ids":["https://openalex.org/I4210094862"]},{"raw_affiliation_string":"National Defense University, Taiwan#TAB#","institution_ids":["https://openalex.org/I111149068"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100661626","display_name":"Li\u2010Chun Wang","orcid":"https://orcid.org/0000-0002-7883-6217"},"institutions":[{"id":"https://openalex.org/I148366613","display_name":"National Yang Ming Chiao Tung University","ror":"https://ror.org/00se2k293","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Li-Chun Wang","raw_affiliation_strings":["Department of Electrical and Computer Engineering, National Chiao Tung University, Taiwan","Department of Electrical and Computer Engineering"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, National Chiao Tung University, Taiwan","institution_ids":["https://openalex.org/I148366613"]},{"raw_affiliation_string":"Department of Electrical and Computer Engineering","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.01677678,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"63","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9998999834060669,"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":0.9998999834060669,"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":0.9994000196456909,"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":0.9926999807357788,"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":0.820762574672699},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7337608337402344},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6230031251907349},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.5633350014686584},{"id":"https://openalex.org/keywords/channel-allocation-schemes","display_name":"Channel allocation schemes","score":0.5418262481689453},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5393123626708984},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5388713479042053},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.5256845951080322},{"id":"https://openalex.org/keywords/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.5222535729408264},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.507593035697937},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.4906820058822632},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.4621816873550415},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.4620612859725952},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4487062692642212},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.38084012269973755},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.2257539927959442},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.19985172152519226},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.14510035514831543},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.053853362798690796}],"concepts":[{"id":"https://openalex.org/C152504517","wikidata":"https://www.wikidata.org/wiki/Q572455","display_name":"Femtocell","level":3,"score":0.820762574672699},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7337608337402344},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6230031251907349},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.5633350014686584},{"id":"https://openalex.org/C114237682","wikidata":"https://www.wikidata.org/wiki/Q5072483","display_name":"Channel allocation schemes","level":3,"score":0.5418262481689453},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5393123626708984},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5388713479042053},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.5256845951080322},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.5222535729408264},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.507593035697937},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.4906820058822632},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.4621816873550415},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.4620612859725952},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4487062692642212},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.38084012269973755},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2257539927959442},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.19985172152519226},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.14510035514831543},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.053853362798690796},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"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":1,"locations":[{"id":"doi:10.1109/vtcspring.2015.7145738","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vtcspring.2015.7145738","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 IEEE 81st Vehicular Technology Conference (VTC Spring)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/8","display_name":"Decent work and economic growth","score":0.4000000059604645}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1994534328","https://openalex.org/W2014060493","https://openalex.org/W2020771020","https://openalex.org/W2105118201","https://openalex.org/W2105531072","https://openalex.org/W2109604058","https://openalex.org/W2122496159","https://openalex.org/W2124568462","https://openalex.org/W2131155088","https://openalex.org/W2135010525","https://openalex.org/W2150976960","https://openalex.org/W2319668965","https://openalex.org/W3103450255","https://openalex.org/W4240891091"],"related_works":["https://openalex.org/W2325429773","https://openalex.org/W1979722674","https://openalex.org/W1999894119","https://openalex.org/W2025189274","https://openalex.org/W2092365485","https://openalex.org/W2123900769","https://openalex.org/W2169305728","https://openalex.org/W1572087604","https://openalex.org/W2078013232","https://openalex.org/W1654541684"],"abstract_inverted_index":{"In":[0],"this":[1],"paper,":[2],"we":[3],"propose":[4],"a":[5,102],"low-complexity":[6],"distributed":[7],"channel-oriented":[8],"channel":[9,41,66,98],"allocation":[10,67,99],"scheme":[11,100],"(COCAS)":[12],"to":[13],"improve":[14],"the":[15,21,48,63,85,96,109,114],"link":[16,72,115],"reliability":[17,73,116],"of":[18,24,38,43,65,74,79,105],"users":[19,75],"and":[20,46,55,68,76],"spectrum":[22,77,91],"efficiency":[23,78,92],"femtocells":[25,94],"for":[26,58,93],"multi-antenna":[27],"orthogonal":[28],"frequency-division":[29],"multiple":[30,69],"access":[31],"(OFDMA)-based":[32],"femtocell":[33,110],"systems.":[34],"By":[35],"two":[36],"steps":[37],"comparisons":[39],"on":[40,71,108],"gains":[42],"resource":[44,56],"blocks":[45,57],"antennas,":[47],"COCAS":[49,87],"can":[50,88],"jointly":[51],"allocate":[52],"suitable":[53],"antennas":[54,70,106],"transmission.":[59],"We":[60],"also":[61],"investigate":[62],"impacts":[64],"femtocells.":[80],"Simulation":[81],"results":[82],"show":[83],"that":[84],"proposed":[86],"achieve":[89],"higher":[90],"than":[95],"random":[97],"with":[101],"given":[103],"number":[104],"equipped":[107],"base":[111],"station,":[112],"under":[113],"requirement.":[117]},"counts_by_year":[],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}