{"id":"https://openalex.org/W2120890241","doi":"https://doi.org/10.1109/wcnc.2009.4917939","title":"Reduced Feedback and Signaling Schemes for Sum-Rate Maximization in OFDMA systems","display_name":"Reduced Feedback and Signaling Schemes for Sum-Rate Maximization in OFDMA systems","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2120890241","doi":"https://doi.org/10.1109/wcnc.2009.4917939","mag":"2120890241"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc.2009.4917939","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2009.4917939","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE Wireless Communications and Networking Conference","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/A5083290800","display_name":"Naveen Arulselvan","orcid":null},"institutions":[{"id":"https://openalex.org/I1333370159","display_name":"Motorola (United States)","ror":"https://ror.org/01hafxd32","country_code":"US","type":"company","lineage":["https://openalex.org/I1333370159"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Naveen Arulselvan","raw_affiliation_strings":["Network Advanced Technologies, Motorola, Bangalore, India","Network Advanced Technologies, Motorola, Bangalore, India#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Network Advanced Technologies, Motorola, Bangalore, India","institution_ids":[]},{"raw_affiliation_string":"Network Advanced Technologies, Motorola, Bangalore, India#TAB#","institution_ids":["https://openalex.org/I1333370159"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109211869","display_name":"Suresh Kalyanasundaram","orcid":null},"institutions":[{"id":"https://openalex.org/I1333370159","display_name":"Motorola (United States)","ror":"https://ror.org/01hafxd32","country_code":"US","type":"company","lineage":["https://openalex.org/I1333370159"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Suresh Kalyanasundaram","raw_affiliation_strings":["Network Advanced Technologies, Motorola, Bangalore, India","Network Advanced Technologies, Motorola, Bangalore, India#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Network Advanced Technologies, Motorola, Bangalore, India","institution_ids":[]},{"raw_affiliation_string":"Network Advanced Technologies, Motorola, Bangalore, India#TAB#","institution_ids":["https://openalex.org/I1333370159"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I1333370159"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11409","display_name":"Advanced Wireless Network 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/T11409","display_name":"Advanced Wireless Network 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/T10148","display_name":"Advanced MIMO Systems 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"}},{"id":"https://openalex.org/T10575","display_name":"Wireless Communication Networks Research","score":0.9987999796867371,"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/computer-science","display_name":"Computer science","score":0.7787685990333557},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.7341615557670593},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.716335654258728},{"id":"https://openalex.org/keywords/maximization","display_name":"Maximization","score":0.6601038575172424},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.5530843138694763},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.5485383868217468},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5162303447723389},{"id":"https://openalex.org/keywords/quality","display_name":"Quality (philosophy)","score":0.47972360253334045},{"id":"https://openalex.org/keywords/diversity-gain","display_name":"Diversity gain","score":0.43776270747184753},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.2509191036224365},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.19574597477912903},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.09623986482620239}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7787685990333557},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.7341615557670593},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.716335654258728},{"id":"https://openalex.org/C2776330181","wikidata":"https://www.wikidata.org/wiki/Q18358244","display_name":"Maximization","level":2,"score":0.6601038575172424},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.5530843138694763},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.5485383868217468},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5162303447723389},{"id":"https://openalex.org/C2779530757","wikidata":"https://www.wikidata.org/wiki/Q1207505","display_name":"Quality (philosophy)","level":2,"score":0.47972360253334045},{"id":"https://openalex.org/C164785522","wikidata":"https://www.wikidata.org/wiki/Q5283966","display_name":"Diversity gain","level":4,"score":0.43776270747184753},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.2509191036224365},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.19574597477912903},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.09623986482620239},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc.2009.4917939","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc.2009.4917939","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2009 IEEE Wireless Communications and Networking Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4099999964237213,"display_name":"Decent work and economic growth","id":"https://metadata.un.org/sdg/8"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1964773003","https://openalex.org/W2118019594","https://openalex.org/W2120718030","https://openalex.org/W2130348201","https://openalex.org/W2130816261","https://openalex.org/W2147084975","https://openalex.org/W2164599584","https://openalex.org/W2165954505","https://openalex.org/W2318245334","https://openalex.org/W2329783727","https://openalex.org/W2622561100","https://openalex.org/W4248786104","https://openalex.org/W6684330836"],"related_works":["https://openalex.org/W2792339401","https://openalex.org/W2530747331","https://openalex.org/W3097525855","https://openalex.org/W2125564215","https://openalex.org/W2517776947","https://openalex.org/W1986382998","https://openalex.org/W2084482193","https://openalex.org/W2972611783","https://openalex.org/W2063393180","https://openalex.org/W2942962000"],"abstract_inverted_index":{"We":[0,69],"study":[1],"several":[2],"channel":[3,53,105],"quality":[4,54,106],"reporting":[5,22,98],"strategies":[6],"for":[7,73,82],"OFDMA":[8],"systems":[9],"that":[10,80],"maximize":[11],"the":[12,27,33,48,58,66,86,109,117],"sum-rate":[13,94],"while":[14],"constrained":[15],"by":[16],"feedback":[17],"and":[18],"signaling":[19],"overhead.":[20],"These":[21],"schemes":[23,88],"are":[24],"based":[25],"on":[26,99,108],"grouping":[28,61,75,87],"idea,":[29],"which":[30],"essentially":[31],"limits":[32],"number":[34],"of":[35],"users":[36],"accessing":[37],"a":[38,90],"sub-channel":[39],"or":[40],"physical":[41],"resource":[42],"block.":[43],"This":[44],"in":[45,93],"turn":[46],"reduces":[47,65],"overhead":[49],"needed":[50],"to":[51,97,115],"convey":[52],"indication":[55],"(CQI).":[56],"On":[57],"other":[59],"hand,":[60],"user":[62],"and/or":[63],"sub-channels":[64],"multi-user":[67],"diversity.":[68],"investigate":[70],"this":[71],"trade-off":[72],"various":[74],"schemes.":[76],"Numerical":[77],"experiments":[78],"show":[79],"even":[81],"reasonably":[83],"high":[84],"overheads,":[85],"achieve":[89],"substantial":[91],"gain":[92],"as":[95],"compared":[96],"all":[100],"sub-channels.":[101],"Reporting":[102],"fine-":[103],"granular":[104],"information":[107],"user's":[110],"best":[111],"subchannels,":[112],"is":[113],"found":[114],"be":[116],"optimal":[118],"strategy.":[119]},"counts_by_year":[{"year":2013,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}