{"id":"https://openalex.org/W2169340764","doi":"https://doi.org/10.1109/icc.2004.1313135","title":"Subcarrier and power allocation for QoS-aware OFDMA systems using embedded modulation","display_name":"Subcarrier and power allocation for QoS-aware OFDMA systems using embedded modulation","publication_year":2004,"publication_date":"2004-01-01","ids":{"openalex":"https://openalex.org/W2169340764","doi":"https://doi.org/10.1109/icc.2004.1313135","mag":"2169340764"},"language":"en","primary_location":{"id":"doi:10.1109/icc.2004.1313135","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2004.1313135","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577)","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/A5052519753","display_name":"S\u0142awomir Pietrzyk","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"S. Pietrzyk","raw_affiliation_strings":["Access Network Unit, Polska Telefonia Cyfrowa Sp. z o. o., Warsaw, Poland"],"affiliations":[{"raw_affiliation_string":"Access Network Unit, Polska Telefonia Cyfrowa Sp. z o. o., Warsaw, Poland","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5057575926","display_name":"Gerard J. M. Janssen","orcid":"https://orcid.org/0000-0001-5423-4468"},"institutions":[{"id":"https://openalex.org/I98358874","display_name":"Delft University of Technology","ror":"https://ror.org/02e2c7k09","country_code":"NL","type":"education","lineage":["https://openalex.org/I98358874"]}],"countries":["NL"],"is_corresponding":false,"raw_author_name":"G.J.M. Janssen","raw_affiliation_strings":["Wireless & Mobile Communications Group, Department of Electrical Engineering , Mathematics and Computer Science (EEMCS), Delft University of Technnology, Delft, Netherlands"],"affiliations":[{"raw_affiliation_string":"Wireless & Mobile Communications Group, Department of Electrical Engineering , Mathematics and Computer Science (EEMCS), Delft University of Technnology, Delft, Netherlands","institution_ids":["https://openalex.org/I98358874"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5052519753"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.6333,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.90119512,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":null,"issue":null,"first_page":"3202","last_page":"3206 Vol.6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11409","display_name":"Advanced Wireless Network 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/T11409","display_name":"Advanced Wireless Network 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/T10575","display_name":"Wireless Communication Networks Research","score":0.9988999962806702,"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/T10125","display_name":"Advanced Wireless Communication Techniques","score":0.9987000226974487,"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/subcarrier","display_name":"Subcarrier","score":0.8823018074035645},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7466990947723389},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.641333281993866},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.613215982913971},{"id":"https://openalex.org/keywords/modulation","display_name":"Modulation (music)","score":0.5659930109977722},{"id":"https://openalex.org/keywords/quadrature-amplitude-modulation","display_name":"Quadrature amplitude modulation","score":0.5347899794578552},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.5345000624656677},{"id":"https://openalex.org/keywords/qam","display_name":"QAM","score":0.5099519491195679},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4982109069824219},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.4726884663105011},{"id":"https://openalex.org/keywords/link-adaptation","display_name":"Link adaptation","score":0.452564537525177},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.45241212844848633},{"id":"https://openalex.org/keywords/constellation-diagram","display_name":"Constellation diagram","score":0.42962098121643066},{"id":"https://openalex.org/keywords/time-division-multiple-access","display_name":"Time division multiple access","score":0.42536604404449463},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.33530154824256897},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.25545287132263184},{"id":"https://openalex.org/keywords/bit-error-rate","display_name":"Bit error rate","score":0.2181990146636963},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1172347366809845},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.0939907431602478},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.06125333905220032}],"concepts":[{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.8823018074035645},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7466990947723389},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.641333281993866},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.613215982913971},{"id":"https://openalex.org/C123079801","wikidata":"https://www.wikidata.org/wiki/Q750240","display_name":"Modulation (music)","level":2,"score":0.5659930109977722},{"id":"https://openalex.org/C32409245","wikidata":"https://www.wikidata.org/wiki/Q749753","display_name":"Quadrature amplitude modulation","level":4,"score":0.5347899794578552},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.5345000624656677},{"id":"https://openalex.org/C59030546","wikidata":"https://www.wikidata.org/wiki/Q7265371","display_name":"QAM","level":5,"score":0.5099519491195679},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4982109069824219},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.4726884663105011},{"id":"https://openalex.org/C138916503","wikidata":"https://www.wikidata.org/wiki/Q2714551","display_name":"Link adaptation","level":4,"score":0.452564537525177},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.45241212844848633},{"id":"https://openalex.org/C185837786","wikidata":"https://www.wikidata.org/wiki/Q1782940","display_name":"Constellation diagram","level":4,"score":0.42962098121643066},{"id":"https://openalex.org/C117313154","wikidata":"https://www.wikidata.org/wiki/Q878344","display_name":"Time division multiple access","level":2,"score":0.42536604404449463},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.33530154824256897},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.25545287132263184},{"id":"https://openalex.org/C56296756","wikidata":"https://www.wikidata.org/wiki/Q840922","display_name":"Bit error rate","level":3,"score":0.2181990146636963},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1172347366809845},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.0939907431602478},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.06125333905220032},{"id":"https://openalex.org/C107038049","wikidata":"https://www.wikidata.org/wiki/Q35986","display_name":"Aesthetics","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/icc.2004.1313135","is_oa":false,"landing_page_url":"https://doi.org/10.1109/icc.2004.1313135","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320322637","display_name":"Politechnika Warszawska","ror":"https://ror.org/00y0xnp53"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1542105109","https://openalex.org/W1591060083","https://openalex.org/W1986900179","https://openalex.org/W2100094828","https://openalex.org/W2101413281","https://openalex.org/W2155595343","https://openalex.org/W2159065725","https://openalex.org/W2160173487","https://openalex.org/W2170898277","https://openalex.org/W2222512263","https://openalex.org/W2296441616","https://openalex.org/W6683624868"],"related_works":["https://openalex.org/W2353465708","https://openalex.org/W1534081649","https://openalex.org/W1629015975","https://openalex.org/W2380145154","https://openalex.org/W2776889143","https://openalex.org/W2508338264","https://openalex.org/W3139451426","https://openalex.org/W2103491754","https://openalex.org/W2737715209","https://openalex.org/W2253476804"],"abstract_inverted_index":{"A":[0],"low-complexity,":[1],"suboptimal":[2],"algorithm":[3,123],"to":[4,14,33,69,132],"distribute":[5],"subcarriers":[6],"and":[7,113],"transmit":[8,127],"power":[9,103,128],"among":[10],"multiple":[11],"users":[12,88,107],"according":[13],"their":[15],"individual":[16],"QoS":[17],"requirements":[18],"in":[19,38,125],"an":[20],"OFDMA":[21],"system":[22,36],"employing":[23],"embedded":[24,30],"modulation":[25,31,112],"is":[26,65,75,101,129],"proposed.":[27],"Application":[28],"of":[29,50,62,80,120],"allows":[32],"increase":[34],"the":[35,39,51,59,91,121,133],"capacity":[37],"downlink":[40],"by":[41,137],"stacking":[42,100],"K":[43],"independent,":[44],"QAM":[45],"modulated":[46],"signals":[47],"on":[48],"each":[49],"N":[52,70],"available":[53],"OFDM":[54],"subcarriers.":[55],"In":[56],"this":[57],"way,":[58],"maximum":[60],"number":[61,79],"independent":[63],"links":[64,81],"N/spl":[66],"middot/K":[67],"compared":[68],"when":[71],"no":[72],"subcarrier":[73],"sharing":[74,116],"allowed.":[76],"The":[77,118],"larger":[78],"can":[82],"be":[83],"used":[84],"for":[85],"serving":[86],"more":[87,102],"or":[89],"increasing":[90],"users'":[92],"data":[93],"rates.":[94],"Simulation":[95],"results":[96],"show":[97],"that":[98],"signal":[99],"efficient":[104],"than":[105],"addressing":[106],"with":[108],"a":[109],"higher":[110],"order":[111],"applying":[114],"time":[115],"(TDMA).":[117],"performance":[119],"proposed":[122],"expressed":[124],"total":[126],"very":[130],"close":[131],"optimal":[134],"solution":[135],"found":[136],"exhaustive":[138],"search.":[139]},"counts_by_year":[{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}