{"id":"https://openalex.org/W2963766275","doi":"https://doi.org/10.1109/glocom.2011.6133870","title":"Exploiting Interference Alignment in Multi-Cell Cooperative OFDMA Resource Allocation","display_name":"Exploiting Interference Alignment in Multi-Cell Cooperative OFDMA Resource Allocation","publication_year":2011,"publication_date":"2011-12-01","ids":{"openalex":"https://openalex.org/W2963766275","doi":"https://doi.org/10.1109/glocom.2011.6133870","mag":"2963766275"},"language":"en","primary_location":{"id":"doi:10.1109/glocom.2011.6133870","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2011.6133870","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Global Telecommunications Conference - GLOBECOM 2011","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/A5088805507","display_name":"Bin Da","orcid":null},"institutions":[{"id":"https://openalex.org/I165932596","display_name":"National University of Singapore","ror":"https://ror.org/01tgyzw49","country_code":"SG","type":"education","lineage":["https://openalex.org/I165932596"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Bin Da","raw_affiliation_strings":["ECE Department, National University of Singapore, Singapore"],"affiliations":[{"raw_affiliation_string":"ECE Department, National University of Singapore, Singapore","institution_ids":["https://openalex.org/I165932596"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100422102","display_name":"Rui Zhang","orcid":"https://orcid.org/0000-0002-8729-8393"},"institutions":[{"id":"https://openalex.org/I3005327000","display_name":"Institute for Infocomm Research","ror":"https://ror.org/053rfa017","country_code":"SG","type":"facility","lineage":["https://openalex.org/I115228651","https://openalex.org/I3005327000","https://openalex.org/I91275662"]},{"id":"https://openalex.org/I115228651","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09","country_code":"SG","type":"government","lineage":["https://openalex.org/I115228651"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Rui Zhang","raw_affiliation_strings":["Institute for Infocomm Research, Agency for Science, Technology and Research, Singapore"],"affiliations":[{"raw_affiliation_string":"Institute for Infocomm Research, Agency for Science, Technology and Research, Singapore","institution_ids":["https://openalex.org/I3005327000","https://openalex.org/I115228651"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5088805507"],"corresponding_institution_ids":["https://openalex.org/I165932596"],"apc_list":null,"apc_paid":null,"fwci":4.5044,"has_fulltext":false,"cited_by_count":31,"citation_normalized_percentile":{"value":0.95073562,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9998999834060669,"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":0.9998000264167786,"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/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.8305916786193848},{"id":"https://openalex.org/keywords/subcarrier","display_name":"Subcarrier","score":0.8302347660064697},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7622474431991577},{"id":"https://openalex.org/keywords/frequency-division-multiple-access","display_name":"Frequency-division multiple access","score":0.6424160003662109},{"id":"https://openalex.org/keywords/precoding","display_name":"Precoding","score":0.6219923496246338},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.6142586469650269},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.5799717903137207},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.5769523978233337},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5525093078613281},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.5315021872520447},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4936269521713257},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4873870015144348},{"id":"https://openalex.org/keywords/frequency-domain","display_name":"Frequency domain","score":0.4656686782836914},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.46096229553222656},{"id":"https://openalex.org/keywords/channel-allocation-schemes","display_name":"Channel allocation schemes","score":0.44272589683532715},{"id":"https://openalex.org/keywords/zero-forcing-precoding","display_name":"Zero-forcing precoding","score":0.4375638961791992},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.36673569679260254},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.3652709424495697},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.35233497619628906},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.24975985288619995},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.2101708948612213},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.20678499341011047},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.18488231301307678},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.11082383990287781}],"concepts":[{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.8305916786193848},{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.8302347660064697},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7622474431991577},{"id":"https://openalex.org/C2776208322","wikidata":"https://www.wikidata.org/wiki/Q844071","display_name":"Frequency-division multiple access","level":4,"score":0.6424160003662109},{"id":"https://openalex.org/C160562895","wikidata":"https://www.wikidata.org/wiki/Q7239557","display_name":"Precoding","level":4,"score":0.6219923496246338},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.6142586469650269},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.5799717903137207},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.5769523978233337},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5525093078613281},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.5315021872520447},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4936269521713257},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4873870015144348},{"id":"https://openalex.org/C19118579","wikidata":"https://www.wikidata.org/wiki/Q786423","display_name":"Frequency domain","level":2,"score":0.4656686782836914},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.46096229553222656},{"id":"https://openalex.org/C114237682","wikidata":"https://www.wikidata.org/wiki/Q5072483","display_name":"Channel allocation schemes","level":3,"score":0.44272589683532715},{"id":"https://openalex.org/C155437304","wikidata":"https://www.wikidata.org/wiki/Q8069444","display_name":"Zero-forcing precoding","level":5,"score":0.4375638961791992},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.36673569679260254},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.3652709424495697},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.35233497619628906},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.24975985288619995},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.2101708948612213},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.20678499341011047},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.18488231301307678},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.11082383990287781},{"id":"https://openalex.org/C31972630","wikidata":"https://www.wikidata.org/wiki/Q844240","display_name":"Computer vision","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/glocom.2011.6133870","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocom.2011.6133870","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Global Telecommunications Conference - GLOBECOM 2011","raw_type":"proceedings-article"},{"id":"pmh:oai:scholarbank.nus.edu.sg:10635/70259","is_oa":false,"landing_page_url":"http://scholarbank.nus.edu.sg/handle/10635/70259","pdf_url":null,"source":{"id":"https://openalex.org/S7407052290","display_name":"National University of Singapore","issn_l":null,"issn":[],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Scopus","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1979408141","https://openalex.org/W2036979480","https://openalex.org/W2099156432","https://openalex.org/W2107413438","https://openalex.org/W2154162775","https://openalex.org/W2154163615","https://openalex.org/W2156338286","https://openalex.org/W2161272050","https://openalex.org/W2167357515"],"related_works":["https://openalex.org/W2149829992","https://openalex.org/W2159788023","https://openalex.org/W2159051821","https://openalex.org/W2156338286","https://openalex.org/W1985622380","https://openalex.org/W2039885912","https://openalex.org/W2089366220","https://openalex.org/W2123193538","https://openalex.org/W1954274336","https://openalex.org/W2963766275"],"abstract_inverted_index":{"This":[0],"paper":[1,79],"studies":[2],"cooperative":[3,90],"resource":[4,91],"allocation":[5,75,92,118],"schemes":[6,183],"for":[7,70,94,119,132,196],"the":[8,22,26,44,61,78,81,99,127,139,147,155,164,169,188],"inter-cell":[9,156],"interference":[10,82,157],"control":[11],"in":[12,29,57,76],"multi-cell":[13,95],"orthogonal":[14],"frequency":[15,46,55],"division":[16],"multiple":[17],"access":[18,43],"(OFDMA)":[19],"systems.":[20,59],"For":[21],"purpose":[23],"of":[24,108,190],"exposition,":[25],"downlink":[27],"transmission":[28],"a":[30,53,88,133,160],"simplified":[31],"three-cell":[32],"system":[33,128],"is":[34,37,122,174],"examined.":[35],"It":[36],"assumed":[38],"that":[39,64,138],"all":[40,120],"cells":[41,121],"simultaneously":[42],"same":[45],"band":[47],"using":[48],"OFDMA,":[49,77],"which":[50],"corresponds":[51],"to":[52,86,125,186],"universal":[54],"reuse":[56],"cellular":[58,198],"Unlike":[60],"conventional":[62],"approach":[63],"treats":[65],"subcarriers":[66],"as":[67,163],"separate":[68],"dimensions":[69],"user":[71,114],"scheduling":[72],"and":[73,116,168,193],"power":[74,117],"exploits":[80],"alignment":[83],"(IA)":[84],"technique":[85],"formulate":[87],"new":[89],"scheme":[93,141,149],"OFDMA":[96],"by":[97,178],"incorporating":[98],"frequency-domain":[100,109,151],"precoding":[101,152],"over":[102,146],"parallel":[103],"subcarriers.":[104],"The":[105],"joint":[106],"optimization":[107],"precoders":[110],"via":[111],"IA,":[112],"subcarrier":[113],"selection":[115],"then":[123],"investigated":[124],"maximize":[126],"sum-throughput.":[129],"Numerical":[130],"results":[131],"symmetric":[134],"channel":[135,202],"setup":[136],"reveal":[137],"IA-based":[140,194],"achieves":[142],"notable":[143],"throughput":[144],"gains":[145],"traditional":[148,192],"without":[150],"only":[153],"when":[154],"link":[158],"has":[159],"comparable":[161],"strength":[162],"direct":[165],"signal":[166],"link,":[167],"direct-link":[170],"signal-to-noise":[171],"ratio":[172],"(SNR)":[173],"sufficiently":[175],"high.":[176],"Motivated":[177],"this":[179],"observation,":[180],"two":[181],"hybrid":[182],"are":[184],"proposed":[185],"exploit":[187],"benefits":[189],"both":[191],"schemes,":[195],"practical":[197],"systems":[199],"with":[200],"heterogenous":[201],"conditions.":[203]},"counts_by_year":[{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":6},{"year":2015,"cited_by_count":3},{"year":2014,"cited_by_count":7},{"year":2013,"cited_by_count":7},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
