{"id":"https://openalex.org/W2066099741","doi":"https://doi.org/10.1109/wiopt.2014.6850342","title":"Energy-efficient two-hop LTE resource allocation in high speed trains with moving relays","display_name":"Energy-efficient two-hop LTE resource allocation in high speed trains with moving relays","publication_year":2014,"publication_date":"2014-05-01","ids":{"openalex":"https://openalex.org/W2066099741","doi":"https://doi.org/10.1109/wiopt.2014.6850342","mag":"2066099741"},"language":"en","primary_location":{"id":"doi:10.1109/wiopt.2014.6850342","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wiopt.2014.6850342","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 12th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)","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/A5055415133","display_name":"Ahmad Alsharoa","orcid":null},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Ahmad Alsharoa","raw_affiliation_strings":["Computer, Electrical, and Mathematical Science of Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Makkah, Province, Kingdom of Saudi Arabia","Comput., Electr., & Math. Sci. of Eng. (CEMSE) Div., King Abdullah Univ. of Sci. & Technol. (KAUST), Thuwal, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer, Electrical, and Mathematical Science of Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Makkah, Province, Kingdom of Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]},{"raw_affiliation_string":"Comput., Electr., & Math. Sci. of Eng. (CEMSE) Div., King Abdullah Univ. of Sci. & Technol. (KAUST), Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5021394822","display_name":"Hakim Ghazzai","orcid":"https://orcid.org/0000-0002-8636-4264"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Hakim Ghazzai","raw_affiliation_strings":["Computer, Electrical, and Mathematical Science of Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Makkah, Province, Kingdom of Saudi Arabia","Comput., Electr., & Math. Sci. of Eng. (CEMSE) Div., King Abdullah Univ. of Sci. & Technol. (KAUST), Thuwal, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer, Electrical, and Mathematical Science of Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Makkah, Province, Kingdom of Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]},{"raw_affiliation_string":"Comput., Electr., & Math. Sci. of Eng. (CEMSE) Div., King Abdullah Univ. of Sci. & Technol. (KAUST), Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012304239","display_name":"Elias Yaacoub","orcid":"https://orcid.org/0000-0002-3318-0621"},"institutions":[{"id":"https://openalex.org/I4210092118","display_name":"Qatar Mobility Innovations Center","ror":"https://ror.org/00dgyys91","country_code":"QA","type":"facility","lineage":["https://openalex.org/I4210092118"]},{"id":"https://openalex.org/I4210105992","display_name":"Qatar Science and Technology Park","ror":"https://ror.org/01gshyb58","country_code":"QA","type":"archive","lineage":["https://openalex.org/I4210105992"]}],"countries":["QA"],"is_corresponding":false,"raw_author_name":"Elias Yaacoub","raw_affiliation_strings":["Qatar Mobility Innovations Center (QMIC), Qatar Science and Technology Park, Doha, Qatar","Qatar Mobility Innovations Center (QMIC) Doha Qatar"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Qatar Mobility Innovations Center (QMIC), Qatar Science and Technology Park, Doha, Qatar","institution_ids":["https://openalex.org/I4210092118","https://openalex.org/I4210105992"]},{"raw_affiliation_string":"Qatar Mobility Innovations Center (QMIC) Doha Qatar","institution_ids":["https://openalex.org/I4210092118"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083193286","display_name":"Mohamed\u2010Slim Alouini","orcid":"https://orcid.org/0000-0003-4827-1793"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Mohamed-Slim Alouini","raw_affiliation_strings":["Computer, Electrical, and Mathematical Science of Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Makkah, Province, Kingdom of Saudi Arabia","Comput., Electr., & Math. Sci. of Eng. (CEMSE) Div., King Abdullah Univ. of Sci. & Technol. (KAUST), Thuwal, Saudi Arabia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Computer, Electrical, and Mathematical Science of Engineering (CEMSE) Division, King Abdullah University of Science and Technology (KAUST), Makkah, Province, Kingdom of Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]},{"raw_affiliation_string":"Comput., Electr., & Math. Sci. of Eng. (CEMSE) Div., King Abdullah Univ. of Sci. & Technol. (KAUST), Thuwal, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"528","last_page":"533"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994000196456909,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9994000196456909,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9973999857902527,"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/T12146","display_name":"Power Line Communications and Noise","score":0.9973000288009644,"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/enodeb","display_name":"EnodeB","score":0.9234204888343811},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7507098317146301},{"id":"https://openalex.org/keywords/relay","display_name":"Relay","score":0.6322550773620605},{"id":"https://openalex.org/keywords/train","display_name":"Train","score":0.5949252247810364},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.5753920674324036},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.5427039861679077},{"id":"https://openalex.org/keywords/lte-advanced","display_name":"LTE Advanced","score":0.46384456753730774},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.44320008158683777},{"id":"https://openalex.org/keywords/schedule","display_name":"Schedule","score":0.44007959961891174},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.43813571333885193},{"id":"https://openalex.org/keywords/hop","display_name":"Hop (telecommunications)","score":0.43269115686416626},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.41612130403518677},{"id":"https://openalex.org/keywords/user-equipment","display_name":"User equipment","score":0.35464170575141907},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.35186460614204407},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.3434230089187622},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.15556329488754272},{"id":"https://openalex.org/keywords/base-station","display_name":"Base station","score":0.12381953001022339},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.09147700667381287}],"concepts":[{"id":"https://openalex.org/C2776384992","wikidata":"https://www.wikidata.org/wiki/Q5379353","display_name":"EnodeB","level":4,"score":0.9234204888343811},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7507098317146301},{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.6322550773620605},{"id":"https://openalex.org/C190839683","wikidata":"https://www.wikidata.org/wiki/Q2448197","display_name":"Train","level":2,"score":0.5949252247810364},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.5753920674324036},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.5427039861679077},{"id":"https://openalex.org/C17652562","wikidata":"https://www.wikidata.org/wiki/Q1345402","display_name":"LTE Advanced","level":3,"score":0.46384456753730774},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.44320008158683777},{"id":"https://openalex.org/C68387754","wikidata":"https://www.wikidata.org/wiki/Q7271585","display_name":"Schedule","level":2,"score":0.44007959961891174},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.43813571333885193},{"id":"https://openalex.org/C25906391","wikidata":"https://www.wikidata.org/wiki/Q1432381","display_name":"Hop (telecommunications)","level":2,"score":0.43269115686416626},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.41612130403518677},{"id":"https://openalex.org/C2781327853","wikidata":"https://www.wikidata.org/wiki/Q3552547","display_name":"User equipment","level":3,"score":0.35464170575141907},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.35186460614204407},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.3434230089187622},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15556329488754272},{"id":"https://openalex.org/C68649174","wikidata":"https://www.wikidata.org/wiki/Q1379116","display_name":"Base station","level":2,"score":0.12381953001022339},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.09147700667381287},{"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/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.0},{"id":"https://openalex.org/C58640448","wikidata":"https://www.wikidata.org/wiki/Q42515","display_name":"Cartography","level":1,"score":0.0},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","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":3,"locations":[{"id":"doi:10.1109/wiopt.2014.6850342","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wiopt.2014.6850342","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2014 12th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)","raw_type":"proceedings-article"},{"id":"pmh:oai:qspace.qu.edu.qa:10576/59458","is_oa":false,"landing_page_url":"http://hdl.handle.net/10576/59458","pdf_url":null,"source":{"id":"https://openalex.org/S4306400014","display_name":"Qatar University QSpace (Qatar University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I60342839","host_organization_name":"Qatar University","host_organization_lineage":["https://openalex.org/I60342839"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Conference"},{"id":"pmh:oai:repository.kaust.edu.sa:10754/564917","is_oa":false,"landing_page_url":"http://hdl.handle.net/10754/564917","pdf_url":null,"source":{"id":"https://openalex.org/S4306401596","display_name":"King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I71920554","host_organization_name":"King Abdullah University of Science and Technology","host_organization_lineage":["https://openalex.org/I71920554"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1509061701","https://openalex.org/W2001235484","https://openalex.org/W2005273067","https://openalex.org/W2028848900","https://openalex.org/W2041443407","https://openalex.org/W2106093672","https://openalex.org/W2127697018","https://openalex.org/W2144545879","https://openalex.org/W2157693833","https://openalex.org/W2164928456","https://openalex.org/W2405686381","https://openalex.org/W4250589301"],"related_works":["https://openalex.org/W1564794196","https://openalex.org/W2073328971","https://openalex.org/W2029208489","https://openalex.org/W2563655269","https://openalex.org/W2037227306","https://openalex.org/W2098636313","https://openalex.org/W2168681758","https://openalex.org/W3011628257","https://openalex.org/W2111366308","https://openalex.org/W2124575979"],"abstract_inverted_index":{"High-speed":[0],"railway":[1],"system":[2],"equipped":[3],"with":[4,101,130,138],"moving":[5,69],"relay":[6],"stations":[7],"placed":[8],"on":[9,77],"the":[10,13,24,32,47,60,65,68,78,83,88,96,102,113,121,124,139],"middle":[11],"of":[12,15,41,49,64,99,123],"ceiling":[14],"each":[16],"train":[17,25],"wagon":[18],"is":[19,44],"investigated.":[20],"The":[21,39],"users":[22,51,100],"inside":[23],"are":[26],"served":[27,50],"in":[28,92],"two":[29],"hops":[30],"via":[31],"3GPP":[33],"Long":[34],"Term":[35],"Evolution":[36],"(LTE)":[37],"technology.":[38],"objective":[40],"this":[42],"work":[43],"to":[45,81,94],"maximize":[46],"number":[48,98],"by":[52],"respecting":[53],"a":[54,109],"specific":[55],"quality-of-service":[56],"constraint":[57],"while":[58],"minimizing":[59],"total":[61],"power":[62,104,114],"consumption":[63],"eNodeB":[66],"and":[67,127],"relays.":[70],"We":[71],"propose":[72],"an":[73],"efficient":[74],"algorithm":[75],"based":[76],"Hungarian":[79],"method":[80],"find":[82],"optimal":[84],"resource":[85,90],"allocation":[86,115],"over":[87],"LTE":[89],"blocks":[91],"order":[93],"serve":[95],"maximum":[97],"minimum":[103],"consumption.":[105],"Moreover,":[106],"we":[107],"derive":[108],"closed-form":[110],"expression":[111],"for":[112],"problem.":[116],"Our":[117],"simulation":[118],"results":[119],"illustrate":[120],"performance":[122],"proposed":[125],"scheme":[126],"compare":[128],"it":[129],"various":[131],"previously":[132],"developed":[133],"algorithms":[134],"as":[135,137],"well":[136],"direct":[140],"transmission":[141],"scenario.":[142]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":1}],"updated_date":"2026-07-14T23:27:15.235271","created_date":"2025-10-10T00:00:00"}