{"id":"https://openalex.org/W2186948761","doi":"https://doi.org/10.1109/wcsp.2015.7341064","title":"Energy-efficient power allocation over multibeam satellite downlinks with imperfect CSI","display_name":"Energy-efficient power allocation over multibeam satellite downlinks with imperfect CSI","publication_year":2015,"publication_date":"2015-10-01","ids":{"openalex":"https://openalex.org/W2186948761","doi":"https://doi.org/10.1109/wcsp.2015.7341064","mag":"2186948761"},"language":"en","primary_location":{"id":"doi:10.1109/wcsp.2015.7341064","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp.2015.7341064","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 International Conference on Wireless Communications & Signal Processing (WCSP)","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/A5035950342","display_name":"Ting Qi","orcid":"https://orcid.org/0000-0001-9086-5064"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ting Qi","raw_affiliation_strings":["Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102864708","display_name":"Youzheng Wang","orcid":"https://orcid.org/0000-0001-9497-9640"},"institutions":[{"id":"https://openalex.org/I99065089","display_name":"Tsinghua University","ror":"https://ror.org/03cve4549","country_code":"CN","type":"education","lineage":["https://openalex.org/I99065089"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Youzheng Wang","raw_affiliation_strings":["Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University, Beijing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tsinghua National Laboratory for Information Science and Technology (TNList), Tsinghua University, Beijing, China","institution_ids":["https://openalex.org/I99065089"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I99065089"],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"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/T12042","display_name":"Satellite Communication Systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12042","display_name":"Satellite Communication Systems","score":1.0,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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":0.9987000226974487,"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":0.9983999729156494,"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/computer-science","display_name":"Computer science","score":0.6835212111473083},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.6818734407424927},{"id":"https://openalex.org/keywords/convexity","display_name":"Convexity","score":0.5324847102165222},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.5182328224182129},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.4847964346408844},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.48364341259002686},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.4760698676109314},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.4688699543476105},{"id":"https://openalex.org/keywords/computational-complexity-theory","display_name":"Computational complexity theory","score":0.44617703557014465},{"id":"https://openalex.org/keywords/linear-programming","display_name":"Linear programming","score":0.4369974136352539},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.4365932047367096},{"id":"https://openalex.org/keywords/channel-state-information","display_name":"Channel state information","score":0.4141281247138977},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.29476067423820496},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.23565009236335754},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.19471046328544617},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.17533347010612488},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14423945546150208},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.11391463875770569},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09561321139335632}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6835212111473083},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.6818734407424927},{"id":"https://openalex.org/C72134830","wikidata":"https://www.wikidata.org/wiki/Q5166524","display_name":"Convexity","level":2,"score":0.5324847102165222},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.5182328224182129},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.4847964346408844},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.48364341259002686},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.4760698676109314},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.4688699543476105},{"id":"https://openalex.org/C179799912","wikidata":"https://www.wikidata.org/wiki/Q205084","display_name":"Computational complexity theory","level":2,"score":0.44617703557014465},{"id":"https://openalex.org/C41045048","wikidata":"https://www.wikidata.org/wiki/Q202843","display_name":"Linear programming","level":2,"score":0.4369974136352539},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.4365932047367096},{"id":"https://openalex.org/C148063708","wikidata":"https://www.wikidata.org/wiki/Q5072511","display_name":"Channel state information","level":3,"score":0.4141281247138977},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.29476067423820496},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.23565009236335754},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.19471046328544617},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.17533347010612488},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14423945546150208},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.11391463875770569},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09561321139335632},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C106159729","wikidata":"https://www.wikidata.org/wiki/Q2294553","display_name":"Financial economics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcsp.2015.7341064","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcsp.2015.7341064","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2015 International Conference on Wireless Communications & Signal Processing (WCSP)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","score":0.8999999761581421,"id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":13,"referenced_works":["https://openalex.org/W1965804046","https://openalex.org/W1967956032","https://openalex.org/W1973942348","https://openalex.org/W1987123761","https://openalex.org/W2020214664","https://openalex.org/W2035915189","https://openalex.org/W2070084552","https://openalex.org/W2108991453","https://openalex.org/W2120686080","https://openalex.org/W2136687807","https://openalex.org/W2140516799","https://openalex.org/W2144000019","https://openalex.org/W2157422130"],"related_works":["https://openalex.org/W2137509205","https://openalex.org/W2541551907","https://openalex.org/W2903433877","https://openalex.org/W2131674129","https://openalex.org/W2003848856","https://openalex.org/W2558107934","https://openalex.org/W2740113683","https://openalex.org/W1588473452","https://openalex.org/W4220803217","https://openalex.org/W1968565322"],"abstract_inverted_index":{"In":[0],"this":[1,28,108],"paper,":[2],"we":[3],"address":[4],"the":[5,24,38,47,56,62,85,98,124,133],"power":[6,42],"allocation":[7],"problem":[8,29,70,87],"over":[9],"multibeam":[10],"satellite":[11,134],"downlinks.":[12],"Different":[13],"from":[14],"conventional":[15,111],"methods":[16],"taking":[17],"system":[18],"throughput":[19],"or":[20],"rate":[21],"matching":[22],"as":[23,32],"optimization":[25,36,65],"object,":[26],"here":[27],"is":[30,53,66],"modeled":[31],"energy":[33],"efficiency":[34],"(EE)":[35],"under":[37],"consideration":[39],"of":[40,115,119,126,132],"limited":[41],"resource":[43],"in":[44,113],"satellite.":[45],"Furthermore,":[46],"imperfect":[48,127],"channel":[49,135],"state":[50],"information":[51],"(CSI)":[52],"taken":[54],"into":[55,79],"model,":[57],"which":[58],"adds":[59],"complexity":[60],"to":[61,96],"problem.":[63],"This":[64],"a":[67],"non-linear":[68],"fractional":[69],"and":[71,90,129],"not":[72],"convex,":[73],"but":[74],"it":[75],"can":[76],"be":[77],"transformed":[78,86],"parametric":[80],"programming.":[81],"We":[82],"deduce":[83],"that":[84,107],"owns":[88],"convexity,":[89],"propose":[91],"an":[92],"efficient":[93],"iterative":[94],"algorithm":[95,109],"achieve":[97],"optimal":[99],"solution":[100],"with":[101,117],"linear":[102],"complexity.":[103],"Simulation":[104],"results":[105],"show":[106],"outperforms":[110],"schemes":[112],"terms":[114],"EE":[116],"guarantee":[118],"minimum":[120],"demand":[121],"rate.":[122],"Particularly,":[123],"impacts":[125],"CSI":[128],"rain":[130],"attenuation":[131],"are":[136],"revealed":[137],"by":[138],"simulation.":[139]},"counts_by_year":[{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":4},{"year":2020,"cited_by_count":3},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}