{"id":"https://openalex.org/W2121679933","doi":"https://doi.org/10.1109/vetecs.2009.5073524","title":"Efficient Channel Quality Feedback Schemes For OFDMA Systems With Different Schedulers","display_name":"Efficient Channel Quality Feedback Schemes For OFDMA Systems With Different Schedulers","publication_year":2009,"publication_date":"2009-04-01","ids":{"openalex":"https://openalex.org/W2121679933","doi":"https://doi.org/10.1109/vetecs.2009.5073524","mag":"2121679933"},"language":"en","primary_location":{"id":"doi:10.1109/vetecs.2009.5073524","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2009.5073524","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"VTC Spring 2009 - IEEE 69th Vehicular Technology Conference","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/A5005231793","display_name":"Badri Varadarajan","orcid":null},"institutions":[{"id":"https://openalex.org/I74760111","display_name":"Texas Instruments (United States)","ror":"https://ror.org/03vsmv677","country_code":"US","type":"company","lineage":["https://openalex.org/I74760111"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Badri Varadarajan","raw_affiliation_strings":["DSPS Research and Development Center, Texas Instruments, Inc., Dallas, TX, USA","DSPS R&D Center, Texas Instruments, Inc., Dallas, TX#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DSPS Research and Development Center, Texas Instruments, Inc., Dallas, TX, USA","institution_ids":["https://openalex.org/I74760111"]},{"raw_affiliation_string":"DSPS R&D Center, Texas Instruments, Inc., Dallas, TX#TAB#","institution_ids":["https://openalex.org/I74760111"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035873237","display_name":"Runhua Chen","orcid":"https://orcid.org/0000-0002-2413-1377"},"institutions":[{"id":"https://openalex.org/I74760111","display_name":"Texas Instruments (United States)","ror":"https://ror.org/03vsmv677","country_code":"US","type":"company","lineage":["https://openalex.org/I74760111"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Runhua Chen","raw_affiliation_strings":["DSPS Research and Development Center, Texas Instruments, Inc., Dallas, TX, USA","DSPS R&D Center, Texas Instruments, Inc., Dallas, TX#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DSPS Research and Development Center, Texas Instruments, Inc., Dallas, TX, USA","institution_ids":["https://openalex.org/I74760111"]},{"raw_affiliation_string":"DSPS R&D Center, Texas Instruments, Inc., Dallas, TX#TAB#","institution_ids":["https://openalex.org/I74760111"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004965245","display_name":"E.N. Onggosanusi","orcid":null},"institutions":[{"id":"https://openalex.org/I74760111","display_name":"Texas Instruments (United States)","ror":"https://ror.org/03vsmv677","country_code":"US","type":"company","lineage":["https://openalex.org/I74760111"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Eko N. Onggosanusi","raw_affiliation_strings":["DSPS Research and Development Center, Texas Instruments, Inc., Dallas, TX, USA","DSPS R&D Center, Texas Instruments, Inc., Dallas, TX#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DSPS Research and Development Center, Texas Instruments, Inc., Dallas, TX, USA","institution_ids":["https://openalex.org/I74760111"]},{"raw_affiliation_string":"DSPS R&D Center, Texas Instruments, Inc., Dallas, TX#TAB#","institution_ids":["https://openalex.org/I74760111"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008228126","display_name":"Il Han Kim","orcid":"https://orcid.org/0000-0002-4755-5201"},"institutions":[{"id":"https://openalex.org/I74760111","display_name":"Texas Instruments (United States)","ror":"https://ror.org/03vsmv677","country_code":"US","type":"company","lineage":["https://openalex.org/I74760111"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Il Han Kim","raw_affiliation_strings":["DSPS Research and Development Center, Texas Instruments, Inc., Dallas, TX, USA","DSPS R&D Center, Texas Instruments, Inc., Dallas, TX#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DSPS Research and Development Center, Texas Instruments, Inc., Dallas, TX, USA","institution_ids":["https://openalex.org/I74760111"]},{"raw_affiliation_string":"DSPS R&D Center, Texas Instruments, Inc., Dallas, TX#TAB#","institution_ids":["https://openalex.org/I74760111"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5023322736","display_name":"Anand G. Dabak","orcid":"https://orcid.org/0009-0001-2759-1782"},"institutions":[{"id":"https://openalex.org/I74760111","display_name":"Texas Instruments (United States)","ror":"https://ror.org/03vsmv677","country_code":"US","type":"company","lineage":["https://openalex.org/I74760111"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Anand G. Dabak","raw_affiliation_strings":["DSPS Research and Development Center, Texas Instruments, Inc., Dallas, TX, USA","DSPS R&D Center, Texas Instruments, Inc., Dallas, TX#TAB#"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"DSPS Research and Development Center, Texas Instruments, Inc., Dallas, TX, USA","institution_ids":["https://openalex.org/I74760111"]},{"raw_affiliation_string":"DSPS R&D Center, Texas Instruments, Inc., Dallas, TX#TAB#","institution_ids":["https://openalex.org/I74760111"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I74760111"],"apc_list":null,"apc_paid":null,"fwci":0.6104,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.72947714,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"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/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":0.9997000098228455,"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":0.9993000030517578,"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":0.7914384603500366},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiple-access","display_name":"Orthogonal frequency-division multiple access","score":0.743371307849884},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.6859151124954224},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.6658140420913696},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.6565260291099548},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.5379394292831421},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.528451681137085},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.49403268098831177},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.4723528325557709},{"id":"https://openalex.org/keywords/cellular-network","display_name":"Cellular network","score":0.4591488242149353},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4423621892929077},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.34717392921447754},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3235616683959961},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.10276004672050476},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.0950787365436554},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.08960095047950745}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7914384603500366},{"id":"https://openalex.org/C2775907427","wikidata":"https://www.wikidata.org/wiki/Q2697649","display_name":"Orthogonal frequency-division multiple access","level":4,"score":0.743371307849884},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.6859151124954224},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.6658140420913696},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.6565260291099548},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.5379394292831421},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.528451681137085},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.49403268098831177},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.4723528325557709},{"id":"https://openalex.org/C153646914","wikidata":"https://www.wikidata.org/wiki/Q535695","display_name":"Cellular network","level":2,"score":0.4591488242149353},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4423621892929077},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.34717392921447754},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3235616683959961},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.10276004672050476},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0950787365436554},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.08960095047950745},{"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/vetecs.2009.5073524","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecs.2009.5073524","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"VTC Spring 2009 - IEEE 69th Vehicular Technology Conference","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W1588594383","https://openalex.org/W1978507668","https://openalex.org/W2114199746","https://openalex.org/W2151824615","https://openalex.org/W2162825687","https://openalex.org/W2171398200"],"related_works":["https://openalex.org/W790449367","https://openalex.org/W4302568799","https://openalex.org/W1482197907","https://openalex.org/W1550567184","https://openalex.org/W2950729840","https://openalex.org/W2156248763","https://openalex.org/W2291764513","https://openalex.org/W2063285884","https://openalex.org/W2383112630","https://openalex.org/W1843974825"],"abstract_inverted_index":{"In":[0,65],"orthogonal":[1],"frequency":[2,10],"division-multiple":[3],"access":[4],"(OFDMA)":[5],"systems,":[6],"the":[7,23,32,85,97,102,115,135,189],"available":[8],"downlink":[9],"is":[11,117,125],"divided":[12],"into":[13,74],"subbands":[14,103],"which":[15,105],"are":[16,26,91,146],"shared":[17],"among":[18],"users.":[19,161],"The":[20],"transmitter":[21,41],"determines":[22],"users":[24],"that":[25,179],"scheduled":[27],"on":[28,62,87,104,134],"each":[29,36,43,168],"subband,":[30],"and":[31,76,90,145,159],"data":[33],"rate":[34],"for":[35,112,172],"user.":[37],"To":[38],"enable":[39],"these":[40],"choices,":[42],"user":[44],"feeds":[45],"back":[46],"a":[47,53,121,173],"channel":[48],"quality":[49],"indicator":[50],"(CQI),":[51],"giving":[52],"compressed":[54],"version":[55],"of":[56],"its":[57],"observed":[58],"signal-to-interference-noise":[59],"ratio":[60],"(SINR)":[61],"all":[63,88],"subbands.":[64],"this":[66],"paper,":[67],"we":[68],"classify":[69],"existing":[70],"CQI":[71,86],"compression":[72],"schemes":[73,80,182],"symmetric":[75],"asymmetric":[77],"schemes.":[78],"Symmetric":[79],"aim":[81],"to":[82,93,148],"accurately":[83,100],"represent":[84],"subbands,":[89,144],"shown":[92,147],"be":[94,108],"suitable":[95],"when":[96,114,120],"receiver":[98,116],"cannot":[99],"predict":[101],"it":[106],"will":[107],"scheduled.":[109],"This":[110],"happens,":[111],"instance,":[113],"fast-moving,":[118],"or":[119,127,185],"round-":[122],"robin":[123],"scheduler":[124],"employed,":[126],"during":[128],"low":[129],"load":[130],"conditions.":[131],"Asymmetric":[132],"schemes,":[133],"other":[136],"hand,":[137],"greedily":[138],"achieve":[139,183],"accuracy":[140],"only":[141],"in":[142,151,167,195],"high-SINR":[143],"perform":[149],"well":[150],"high-load":[152],"cellular":[153,176],"networks":[154],"with":[155,197],"proportional":[156],"fair":[157],"scheduling":[158],"low-speed":[160],"We":[162],"propose":[163],"one":[164],"new":[165],"scheme":[166,193],"category.":[169],"Simulation":[170],"results":[171],"3GPP":[174],"LTE":[175],"network":[177],"show":[178],"our":[180],"proposed":[181],"similar":[184],"better":[186],"performance":[187],"than":[188],"current":[190],"best-M":[191],"feedback":[192],"used":[194],"LTE,":[196],"30%":[198],"less":[199],"overhead.":[200]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-06-26T08:34:08.712188","created_date":"2025-10-10T00:00:00"}
