{"id":"https://openalex.org/W1996882606","doi":"https://doi.org/10.1109/pimrc.2011.6140006","title":"Optimal power allocation in multi-hop cognitive radio networks","display_name":"Optimal power allocation in multi-hop cognitive radio networks","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W1996882606","doi":"https://doi.org/10.1109/pimrc.2011.6140006","mag":"1996882606"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2011.6140006","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2011.6140006","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-49643","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5025709683","display_name":"Maksym A. Girnyk","orcid":"https://orcid.org/0000-0003-3003-1601"},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":true,"raw_author_name":"Maksym A. Girnyk","raw_affiliation_strings":["School of Electrical Engineering and the ACCESS Linnaeus Center, KTH Royal Institute of Technology, Sweden","School of Electrical Engineering and the ACCESS Linnaeus Center, KTH-Royal Institute of Technology, Stockholm, Sweden"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and the ACCESS Linnaeus Center, KTH Royal Institute of Technology, Sweden","institution_ids":["https://openalex.org/I86987016"]},{"raw_affiliation_string":"School of Electrical Engineering and the ACCESS Linnaeus Center, KTH-Royal Institute of Technology, Stockholm, Sweden","institution_ids":["https://openalex.org/I86987016"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107922437","display_name":"Ming Xiao","orcid":null},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Ming Xiao","raw_affiliation_strings":["School of Electrical Engineering and the ACCESS Linnaeus Center, KTH Royal Institute of Technology, Sweden","School of Electrical Engineering and the ACCESS Linnaeus Center, KTH-Royal Institute of Technology, Stockholm, Sweden"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and the ACCESS Linnaeus Center, KTH Royal Institute of Technology, Sweden","institution_ids":["https://openalex.org/I86987016"]},{"raw_affiliation_string":"School of Electrical Engineering and the ACCESS Linnaeus Center, KTH-Royal Institute of Technology, Stockholm, Sweden","institution_ids":["https://openalex.org/I86987016"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5026962956","display_name":"Lars K. Rasmussen","orcid":"https://orcid.org/0000-0001-7182-9543"},"institutions":[{"id":"https://openalex.org/I86987016","display_name":"KTH Royal Institute of Technology","ror":"https://ror.org/026vcq606","country_code":"SE","type":"education","lineage":["https://openalex.org/I86987016"]}],"countries":["SE"],"is_corresponding":false,"raw_author_name":"Lars K. Rasmussen","raw_affiliation_strings":["School of Electrical Engineering and the ACCESS Linnaeus Center, KTH Royal Institute of Technology, Sweden","School of Electrical Engineering and the ACCESS Linnaeus Center, KTH-Royal Institute of Technology, Stockholm, Sweden"],"affiliations":[{"raw_affiliation_string":"School of Electrical Engineering and the ACCESS Linnaeus Center, KTH Royal Institute of Technology, Sweden","institution_ids":["https://openalex.org/I86987016"]},{"raw_affiliation_string":"School of Electrical Engineering and the ACCESS Linnaeus Center, KTH-Royal Institute of Technology, Stockholm, Sweden","institution_ids":["https://openalex.org/I86987016"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5025709683"],"corresponding_institution_ids":["https://openalex.org/I86987016"],"apc_list":null,"apc_paid":null,"fwci":1.4003,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.81544238,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":null,"issue":null,"first_page":"472","last_page":"476"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","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"}},"topics":[{"id":"https://openalex.org/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","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/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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994999766349792,"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/cognitive-radio","display_name":"Cognitive radio","score":0.7706303596496582},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.7381129264831543},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7032727003097534},{"id":"https://openalex.org/keywords/hop","display_name":"Hop (telecommunications)","score":0.6721631288528442},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.5843603610992432},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.583704948425293},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.5458628535270691},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.5457635521888733},{"id":"https://openalex.org/keywords/constraint","display_name":"Constraint (computer-aided design)","score":0.523352324962616},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.45133572816848755},{"id":"https://openalex.org/keywords/network-topology","display_name":"Network topology","score":0.4483802914619446},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.44082915782928467},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.41892626881599426},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1992996335029602},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.17607730627059937},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.11918860673904419}],"concepts":[{"id":"https://openalex.org/C149946192","wikidata":"https://www.wikidata.org/wiki/Q3235733","display_name":"Cognitive radio","level":3,"score":0.7706303596496582},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.7381129264831543},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7032727003097534},{"id":"https://openalex.org/C25906391","wikidata":"https://www.wikidata.org/wiki/Q1432381","display_name":"Hop (telecommunications)","level":2,"score":0.6721631288528442},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.5843603610992432},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.583704948425293},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.5458628535270691},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.5457635521888733},{"id":"https://openalex.org/C2776036281","wikidata":"https://www.wikidata.org/wiki/Q48769818","display_name":"Constraint (computer-aided design)","level":2,"score":0.523352324962616},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.45133572816848755},{"id":"https://openalex.org/C199845137","wikidata":"https://www.wikidata.org/wiki/Q145490","display_name":"Network topology","level":2,"score":0.4483802914619446},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.44082915782928467},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.41892626881599426},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1992996335029602},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.17607730627059937},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.11918860673904419},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","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},{"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/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/pimrc.2011.6140006","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2011.6140006","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE 22nd International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"},{"id":"pmh:oai:DiVA.org:kth-49643","is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-49643","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","issn_l":null,"issn":null,"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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference paper"},{"id":"pmh:oai:urm_publish:9915909485701831","is_oa":false,"landing_page_url":"https://unisa.alma.exlibrisgroup.com/view/delivery/61USOUTHAUS_INST/12177285140001831","pdf_url":null,"source":{"id":"https://openalex.org/S4306402528","display_name":"UniSA Research Outputs Repository (University of South Australia)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I170239107","host_organization_name":"University of South Australia","host_organization_lineage":["https://openalex.org/I170239107"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"text"}],"best_oa_location":{"id":"pmh:oai:DiVA.org:kth-49643","is_oa":true,"landing_page_url":"http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-49643","pdf_url":null,"source":{"id":"https://openalex.org/S4306401559","display_name":"KTH Publication Database DiVA (KTH Royal Institute of Technology)","issn_l":null,"issn":null,"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":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference paper"},"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1562270425","https://openalex.org/W1669415347","https://openalex.org/W1967505494","https://openalex.org/W2049468127","https://openalex.org/W2050902239","https://openalex.org/W2118289862","https://openalex.org/W2143343035","https://openalex.org/W2154501376","https://openalex.org/W2155227771","https://openalex.org/W2168078104","https://openalex.org/W2168456675","https://openalex.org/W2296319761","https://openalex.org/W4250589301","https://openalex.org/W6637405678"],"related_works":["https://openalex.org/W2539674285","https://openalex.org/W2559261346","https://openalex.org/W1998322187","https://openalex.org/W1038122923","https://openalex.org/W4280609833","https://openalex.org/W2136943174","https://openalex.org/W2952514781","https://openalex.org/W1973979964","https://openalex.org/W4235820682","https://openalex.org/W2519669146"],"abstract_inverted_index":{"Optimal":[0],"power":[1,57,108,126,143],"allocation":[2,58,127],"in":[3],"a":[4,88],"multi-hop":[5],"cognitive":[6],"radio":[7],"network":[8,67],"is":[9,32,94,110],"investigated.":[10],"Information":[11],"transmitted":[12],"from":[13],"the":[14,24,29,38,62,66,69,91,97,106,120,124],"source":[15],"passes":[16],"through":[17],"several":[18],"wireless":[19],"relay":[20],"nodes":[21,49],"before":[22],"reaching":[23],"destination.":[25],"At":[26],"each":[27],"hop,":[28],"received":[30],"signal":[31],"decoded,":[33],"re-encoded":[34],"and":[35,50,105,115],"retransmitted":[36],"to":[37,75,139],"following":[39],"node.":[40],"Transmissions":[41],"at":[42],"every":[43,100],"hop":[44],"are":[45,103,128],"overheard":[46],"by":[47],"nearby":[48],"therefore":[51],"cause":[52],"interference.":[53],"We":[54,78],"study":[55],"optimal":[56,92,125],"strategies":[59],"that":[60,80,83,118],"maximize":[61],"end-to-end":[63],"throughput":[64],"of":[65,71,99,122],"under":[68],"constraint":[70,109],"strictly":[72],"limited":[73],"interference":[74,107],"external":[76],"users.":[77],"show":[79,135],"for":[81],"networks":[82],"can":[84],"be":[85],"modeled":[86],"as":[87,130],"line":[89],"topology":[90],"solution":[93],"achieved":[95],"when":[96],"capacities":[98],"intermediate":[101],"link":[102],"equal":[104,142],"satisfied":[111],"with":[112,141],"equality.":[113],"High-":[114],"low-SNR":[116],"approximations":[117],"simplify":[119],"problem":[121],"finding":[123],"presented":[129],"well.":[131],"The":[132],"numerical":[133],"results":[134],"good":[136],"performance":[137],"compared":[138],"schemes":[140],"allocation.":[144]},"counts_by_year":[{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}