{"id":"https://openalex.org/W3158367352","doi":"https://doi.org/10.1109/lwc.2021.3074972","title":"Two-Hop Relay Probing in WiGig Device-to-Device Networks Using Sleeping Contextual Bandits","display_name":"Two-Hop Relay Probing in WiGig Device-to-Device Networks Using Sleeping Contextual Bandits","publication_year":2021,"publication_date":"2021-04-22","ids":{"openalex":"https://openalex.org/W3158367352","doi":"https://doi.org/10.1109/lwc.2021.3074972","mag":"3158367352"},"language":"en","primary_location":{"id":"doi:10.1109/lwc.2021.3074972","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2021.3074972","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-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/A5023202284","display_name":"Ehab Mahmoud Mohamed","orcid":"https://orcid.org/0000-0001-5443-9711"},"institutions":[{"id":"https://openalex.org/I86310350","display_name":"Aswan University","ror":"https://ror.org/048qnr849","country_code":"EG","type":"education","lineage":["https://openalex.org/I86310350"]},{"id":"https://openalex.org/I142608572","display_name":"Prince Sattam Bin Abdulaziz University","ror":"https://ror.org/04jt46d36","country_code":"SA","type":"education","lineage":["https://openalex.org/I142608572"]}],"countries":["EG","SA"],"is_corresponding":true,"raw_author_name":"Ehab Mahmoud Mohamed","raw_affiliation_strings":["Electrical Engineering Department, Aswan University, Aswan, Egypt","Electrical Engineering Department, College of Engineering, Prince Sattam Bin Abdulaziz University, Wadi Addwasir, Saudi Arabia"],"affiliations":[{"raw_affiliation_string":"Electrical Engineering Department, Aswan University, Aswan, Egypt","institution_ids":["https://openalex.org/I86310350"]},{"raw_affiliation_string":"Electrical Engineering Department, College of Engineering, Prince Sattam Bin Abdulaziz University, Wadi Addwasir, Saudi Arabia","institution_ids":["https://openalex.org/I142608572"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019103910","display_name":"Sherief Hashima","orcid":"https://orcid.org/0000-0002-4443-7066"},"institutions":[{"id":"https://openalex.org/I3089115","display_name":"Egyptian Atomic Energy Authority","ror":"https://ror.org/04hd0yz67","country_code":"EG","type":"government","lineage":["https://openalex.org/I3089115"]},{"id":"https://openalex.org/I4210126580","display_name":"RIKEN Center for Advanced Intelligence Project","ror":"https://ror.org/03ckxwf91","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210126580"]}],"countries":["EG","JP"],"is_corresponding":false,"raw_author_name":"Sherief Hashima","raw_affiliation_strings":["Computational Learning Theory Team, RIKEN-Advanced Intelligent Project, Fukuoka, Japan","Engineering Department, NRC, Egyptian Atomic Energy Authority, Cairo, Egypt"],"affiliations":[{"raw_affiliation_string":"Computational Learning Theory Team, RIKEN-Advanced Intelligent Project, Fukuoka, Japan","institution_ids":["https://openalex.org/I4210126580"]},{"raw_affiliation_string":"Engineering Department, NRC, Egyptian Atomic Energy Authority, Cairo, Egypt","institution_ids":["https://openalex.org/I3089115"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5018051479","display_name":"Kohei Hatano","orcid":"https://orcid.org/0000-0002-1536-1269"},"institutions":[{"id":"https://openalex.org/I135598925","display_name":"Kyushu University","ror":"https://ror.org/00p4k0j84","country_code":"JP","type":"education","lineage":["https://openalex.org/I135598925"]},{"id":"https://openalex.org/I4210126580","display_name":"RIKEN Center for Advanced Intelligence Project","ror":"https://ror.org/03ckxwf91","country_code":"JP","type":"facility","lineage":["https://openalex.org/I4210110652","https://openalex.org/I4210126580"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kohei Hatano","raw_affiliation_strings":["Computational Learning Theory Team, RIKEN-Advanced Intelligent Project, Fukuoka, Japan","Faculty of Arts and Science, Kyushu University, Fukuoka, Japan"],"affiliations":[{"raw_affiliation_string":"Computational Learning Theory Team, RIKEN-Advanced Intelligent Project, Fukuoka, Japan","institution_ids":["https://openalex.org/I4210126580"]},{"raw_affiliation_string":"Faculty of Arts and Science, Kyushu University, Fukuoka, Japan","institution_ids":["https://openalex.org/I135598925"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5038227024","display_name":"Saud Alhajaj Aldossari","orcid":"https://orcid.org/0000-0001-7219-7744"},"institutions":[{"id":"https://openalex.org/I142608572","display_name":"Prince Sattam Bin Abdulaziz University","ror":"https://ror.org/04jt46d36","country_code":"SA","type":"education","lineage":["https://openalex.org/I142608572"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Saud Alhajaj Aldossari","raw_affiliation_strings":["Electrical Engineering Department, College of Engineering, Prince Sattam Bin Abdulaziz University, Wadi Addwasir, Saudi Arabia"],"affiliations":[{"raw_affiliation_string":"Electrical Engineering Department, College of Engineering, Prince Sattam Bin Abdulaziz University, Wadi Addwasir, Saudi Arabia","institution_ids":["https://openalex.org/I142608572"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000807090","display_name":"Mahdi Zareei","orcid":"https://orcid.org/0000-0001-6623-1758"},"institutions":[{"id":"https://openalex.org/I98461037","display_name":"Tecnol\u00f3gico de Monterrey","ror":"https://ror.org/03ayjn504","country_code":"MX","type":"education","lineage":["https://openalex.org/I98461037"]}],"countries":["MX"],"is_corresponding":false,"raw_author_name":"Mahdi Zareei","raw_affiliation_strings":["School of Engineering and Sciences, Tecnologico de Monterrey, Zapopan, Mexico"],"affiliations":[{"raw_affiliation_string":"School of Engineering and Sciences, Tecnologico de Monterrey, Zapopan, Mexico","institution_ids":["https://openalex.org/I98461037"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5111087383","display_name":"Mohamed Rihan","orcid":null},"institutions":[{"id":"https://openalex.org/I180726961","display_name":"Shenzhen University","ror":"https://ror.org/01vy4gh70","country_code":"CN","type":"education","lineage":["https://openalex.org/I180726961"]},{"id":"https://openalex.org/I63601056","display_name":"Menoufia University","ror":"https://ror.org/05sjrb944","country_code":"EG","type":"education","lineage":["https://openalex.org/I63601056"]}],"countries":["CN","EG"],"is_corresponding":false,"raw_author_name":"Mohamed Rihan","raw_affiliation_strings":["Department of Electronics and Electrical Communications Engineering, Faculty of Electronic Engineering, Menoufia University, Menouf, Egypt","School of Mathematics and Statistics, Shenzhen University, Shenzhen, China"],"affiliations":[{"raw_affiliation_string":"Department of Electronics and Electrical Communications Engineering, Faculty of Electronic Engineering, Menoufia University, Menouf, Egypt","institution_ids":["https://openalex.org/I63601056"]},{"raw_affiliation_string":"School of Mathematics and Statistics, Shenzhen University, Shenzhen, China","institution_ids":["https://openalex.org/I180726961"]}]}],"institutions":[],"countries_distinct_count":5,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5023202284"],"corresponding_institution_ids":["https://openalex.org/I142608572","https://openalex.org/I86310350"],"apc_list":null,"apc_paid":null,"fwci":2.5068,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.89536018,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"10","issue":"7","first_page":"1581","last_page":"1585"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9997000098228455,"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":0.9997000098228455,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":0.9966999888420105,"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/T10936","display_name":"Millimeter-Wave Propagation and Modeling","score":0.9965999722480774,"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/relay","display_name":"Relay","score":0.8517261743545532},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7913937568664551},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.6080539226531982},{"id":"https://openalex.org/keywords/overhead","display_name":"Overhead (engineering)","score":0.6047452092170715},{"id":"https://openalex.org/keywords/context","display_name":"Context (archaeology)","score":0.5679833889007568},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5013167858123779},{"id":"https://openalex.org/keywords/process","display_name":"Process (computing)","score":0.501258134841919},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.4711669385433197},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.42131417989730835},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.3816252648830414},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.22955158352851868},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.2077273428440094}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.8517261743545532},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7913937568664551},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.6080539226531982},{"id":"https://openalex.org/C2779960059","wikidata":"https://www.wikidata.org/wiki/Q7113681","display_name":"Overhead (engineering)","level":2,"score":0.6047452092170715},{"id":"https://openalex.org/C2779343474","wikidata":"https://www.wikidata.org/wiki/Q3109175","display_name":"Context (archaeology)","level":2,"score":0.5679833889007568},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5013167858123779},{"id":"https://openalex.org/C98045186","wikidata":"https://www.wikidata.org/wiki/Q205663","display_name":"Process (computing)","level":2,"score":0.501258134841919},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.4711669385433197},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.42131417989730835},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.3816252648830414},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.22955158352851868},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.2077273428440094},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","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/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","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/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"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/lwc.2021.3074972","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lwc.2021.3074972","pdf_url":null,"source":{"id":"https://openalex.org/S2500830676","display_name":"IEEE Wireless Communications Letters","issn_l":"2162-2337","issn":["2162-2337","2162-2345"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Wireless Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.9100000262260437}],"awards":[{"id":"https://openalex.org/G1862685940","display_name":null,"funder_award_id":"JP21K14162","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"},{"id":"https://openalex.org/G5949226068","display_name":null,"funder_award_id":"JP19H04174","funder_id":"https://openalex.org/F4320334764","funder_display_name":"Japan Society for the Promotion of Science"}],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W2112420033","https://openalex.org/W2128370873","https://openalex.org/W2140750253","https://openalex.org/W2336775896","https://openalex.org/W2766305950","https://openalex.org/W2778443802","https://openalex.org/W2802561136","https://openalex.org/W2945260978","https://openalex.org/W2963184523","https://openalex.org/W2963945346","https://openalex.org/W3006472645","https://openalex.org/W3021875058"],"related_works":["https://openalex.org/W2539674285","https://openalex.org/W1998322187","https://openalex.org/W1038122923","https://openalex.org/W2952514781","https://openalex.org/W3019210376","https://openalex.org/W2391145594","https://openalex.org/W2078379271","https://openalex.org/W2043460294","https://openalex.org/W4210712718","https://openalex.org/W1905398909"],"abstract_inverted_index":{"Millimeter":[0],"wave":[1],"(mmWave)":[2],"relaying":[3],"has":[4],"been":[5],"introduced":[6],"recently":[7],"as":[8,26,105],"a":[9,125],"solution":[10],"to":[11,20,35,57,74,80,123,129],"extend":[12],"the":[13,23,31,37,48,54,81,93,96,108,117,137,148,154,164,168,176],"coverage":[14],"of":[15,50,84,95,174],"mmWave":[16,90],"communication":[17],"systems":[18],"and":[19,53,91,141,167,179],"deal":[21],"with":[22,153],"blockage":[24],"problem":[25],"well.":[27],"In":[28],"order":[29],"for":[30,107,131],"relay":[32],"probing":[33],"process":[34,140],"identify":[36],"most":[38],"suitable":[39],"relays,":[40],"we":[41],"should":[42],"maintain":[43],"an":[44,64],"intelligent":[45],"trade-off":[46],"between":[47],"number":[49],"probed":[51],"relays":[52,111,119],"overhead":[55],"due":[56,128],"beamforming":[58],"training":[59],"(BT).":[60],"This":[61],"letter":[62],"leverages":[63],"online":[65,138],"learning":[66,139],"tool,":[67],"namely":[68],"sleeping":[69,118,156],"contextual":[70],"multi-armed":[71],"bandits":[72],"(S-CMAB),":[73],"effectively":[75],"address":[76],"this":[77],"problem.":[78],"Thanks":[79],"multi-band":[82],"capability":[83],"WiGig":[85,110,126],"devices":[86],"that":[87,120,147],"supports":[88],"both":[89,175],"WiFi,":[92],"characteristics":[94],"WiFi":[97],"signal":[98],"centered":[99],"at":[100,113],"5.25":[101],"GHz":[102],"are":[103,121],"used":[104],"contexts":[106],"candidate":[109],"operating":[112],"60":[114],"GHz.":[115],"Moreover,":[116],"unable":[122],"construct":[124],"link,":[127],"blockages":[130],"instance,":[132],"could":[133],"be":[134],"identified":[135],"during":[136],"accordingly":[142],"excluded.":[143],"Extensive":[144],"simulations":[145],"prove":[146],"proposed":[149,155],"S-CMAB":[150],"approach":[151],"integrated":[152],"linear":[157],"upper":[158],"confidence":[159],"bound":[160],"(S-LinUCB)":[161],"algorithm":[162,171],"outperform":[163],"legacy":[165],"approaches":[166],"context-free":[169],"UCB":[170],"in":[172],"terms":[173],"average":[177],"throughput":[178],"energy":[180],"efficiency.":[181]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":7},{"year":2022,"cited_by_count":11},{"year":2021,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
