{"id":"https://openalex.org/W2048002292","doi":"https://doi.org/10.1109/iswcs.2012.6328389","title":"Power allocation schemes for multichannel two-hop relaying systems","display_name":"Power allocation schemes for multichannel two-hop relaying systems","publication_year":2012,"publication_date":"2012-08-01","ids":{"openalex":"https://openalex.org/W2048002292","doi":"https://doi.org/10.1109/iswcs.2012.6328389","mag":"2048002292"},"language":"en","primary_location":{"id":"doi:10.1109/iswcs.2012.6328389","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2012.6328389","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 International Symposium on Wireless Communication Systems (ISWCS)","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/A5027243235","display_name":"Jos\u00e9 Mairton B. da Silva","orcid":"https://orcid.org/0000-0002-4503-4242"},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Jose M. B. da Silva","raw_affiliation_strings":["Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","[Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","institution_ids":["https://openalex.org/I243754102"]},{"raw_affiliation_string":"[Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil]","institution_ids":["https://openalex.org/I243754102"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065666108","display_name":"Yuri C. B. Silva","orcid":"https://orcid.org/0000-0002-1795-6004"},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Yuri C. B. Silva","raw_affiliation_strings":["Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","[Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","institution_ids":["https://openalex.org/I243754102"]},{"raw_affiliation_string":"[Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil]","institution_ids":["https://openalex.org/I243754102"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002093446","display_name":"Tarc\u00edsio F. Maciel","orcid":"https://orcid.org/0000-0002-8861-1708"},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Tarcisio F. Maciel","raw_affiliation_strings":["Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","[Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","institution_ids":["https://openalex.org/I243754102"]},{"raw_affiliation_string":"[Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil]","institution_ids":["https://openalex.org/I243754102"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085898218","display_name":"Francisco R. P. Cavalcanti","orcid":"https://orcid.org/0000-0001-8921-3448"},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Francisco R. P. Cavalcanti","raw_affiliation_strings":["Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","[Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil]"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","institution_ids":["https://openalex.org/I243754102"]},{"raw_affiliation_string":"[Wireless Telecommunications Research Group (GTEL), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil]","institution_ids":["https://openalex.org/I243754102"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5036220489","display_name":"Carlos Diego Rodrigues","orcid":"https://orcid.org/0000-0002-8881-5655"},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Carlos D. Rodrigues","raw_affiliation_strings":["Paralelism, Graphs and Optimization (ParGO), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","Paralelism, Graphs and Optimization (ParGO), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Paralelism, Graphs and Optimization (ParGO), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","institution_ids":["https://openalex.org/I243754102"]},{"raw_affiliation_string":"Paralelism, Graphs and Optimization (ParGO), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil","institution_ids":["https://openalex.org/I243754102"]}]},{"author_position":"last","author":{"id":null,"display_name":"Manoel B. Campelo Neto","orcid":null},"institutions":[{"id":"https://openalex.org/I243754102","display_name":"Universidade Federal do Cear\u00e1","ror":"https://ror.org/03srtnf24","country_code":"BR","type":"education","lineage":["https://openalex.org/I243754102"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Manoel B. Campelo Neto","raw_affiliation_strings":["Paralelism, Graphs and Optimization (ParGO), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","Paralelism, Graphs and Optimization (ParGO), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Paralelism, Graphs and Optimization (ParGO), Federal University of Cear\u00e1 (UFC), Fortaleza, Cear\u00e1, Brazil","institution_ids":["https://openalex.org/I243754102"]},{"raw_affiliation_string":"Paralelism, Graphs and Optimization (ParGO), Federal University of Cear\u00e1 (UFC), Fortaleza, Brazil","institution_ids":["https://openalex.org/I243754102"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I243754102"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.15510481,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":94},"biblio":{"volume":"2","issue":null,"first_page":"356","last_page":"360"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9959999918937683,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.982200026512146,"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":0.8405183553695679},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7315720319747925},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.6405385732650757},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.6231415271759033},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.6013075709342957},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.487045556306839},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.43889182806015015},{"id":"https://openalex.org/keywords/matching","display_name":"Matching (statistics)","score":0.4345974326133728},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.4279819428920746},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.41837847232818604},{"id":"https://openalex.org/keywords/reliability","display_name":"Reliability (semiconductor)","score":0.4121149182319641},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.39240777492523193},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.2015710473060608},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.19053801894187927},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.146259605884552},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.11748301982879639}],"concepts":[{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.8405183553695679},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7315720319747925},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.6405385732650757},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.6231415271759033},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.6013075709342957},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.487045556306839},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.43889182806015015},{"id":"https://openalex.org/C165064840","wikidata":"https://www.wikidata.org/wiki/Q1321061","display_name":"Matching (statistics)","level":2,"score":0.4345974326133728},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.4279819428920746},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.41837847232818604},{"id":"https://openalex.org/C43214815","wikidata":"https://www.wikidata.org/wiki/Q7310987","display_name":"Reliability (semiconductor)","level":3,"score":0.4121149182319641},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.39240777492523193},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.2015710473060608},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.19053801894187927},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.146259605884552},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.11748301982879639},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/iswcs.2012.6328389","is_oa":false,"landing_page_url":"https://doi.org/10.1109/iswcs.2012.6328389","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 International Symposium on Wireless Communication Systems (ISWCS)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.5199999809265137,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W622771520","https://openalex.org/W1967453062","https://openalex.org/W1988280565","https://openalex.org/W2011039300","https://openalex.org/W2098255692","https://openalex.org/W2102412823","https://openalex.org/W2117262637","https://openalex.org/W2118702395","https://openalex.org/W2119528184","https://openalex.org/W2129425110","https://openalex.org/W2130414143","https://openalex.org/W2155429953","https://openalex.org/W2478708596","https://openalex.org/W4250589301","https://openalex.org/W6674924638","https://openalex.org/W6677402356"],"related_works":["https://openalex.org/W1501039677","https://openalex.org/W3161598161","https://openalex.org/W2306672848","https://openalex.org/W2055131418","https://openalex.org/W2128552819","https://openalex.org/W4291701075","https://openalex.org/W1964989099","https://openalex.org/W2547202878","https://openalex.org/W4317418808","https://openalex.org/W2128109309"],"abstract_inverted_index":{"The":[0,45],"usage":[1],"of":[2,10,15,39],"relays":[3],"and":[4,19,29,67,136,143],"OFDM":[5],"can":[6,105],"improve":[7],"the":[8,37,41,60,83,86,101,130],"performance":[9,142],"wireless":[11],"systems":[12,35],"in":[13,79],"terms":[14],"data":[16],"rates,":[17],"coverage":[18],"reliability.":[20],"In":[21,95],"this":[22,96],"paper":[23,97],"we":[24,98],"study":[25],"joint":[26],"subcarrier":[27,65],"matching":[28,66],"power":[30,68,87,102],"allocation":[31,69,88,103],"for":[32],"two-hop":[33],"relay":[34],"with":[36,122],"purpose":[38],"maximizing":[40],"total":[42],"spectral":[43],"efficiency.":[44],"problem":[46,61,89,104],"is":[47,62],"formulated":[48],"as":[49],"a":[50,92,109,138],"mixed":[51],"integer":[52],"(binary)":[53],"problem,":[54],"but":[55,82],"due":[56],"to":[57,72,85,115],"its":[58],"complexity,":[59],"separated":[63],"into":[64,108],"subproblems.":[70],"Methods":[71],"solve":[73],"both":[74],"problems":[75],"have":[76],"been":[77],"presented":[78,91],"previous":[80],"works,":[81],"solution":[84],"still":[90],"high":[93],"complexity.":[94,144],"demonstrate":[99],"that":[100,129],"be":[106],"reformulated":[107],"more":[110],"tractable":[111],"form,":[112],"allowing":[113],"us":[114],"develop":[116],"suboptimal":[117,132],"solutions":[118,133],"based":[119],"on":[120],"water-filling":[121],"low":[123],"computational":[124],"cost.":[125],"Numerical":[126],"results":[127],"show":[128],"proposed":[131],"are":[134],"near-optimal":[135],"offer":[137],"good":[139],"trade-off":[140],"between":[141]},"counts_by_year":[{"year":2016,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}
