{"id":"https://openalex.org/W3036271150","doi":"https://doi.org/10.1109/wcnc45663.2020.9120844","title":"Joint Reflection Coefficient Selection and Subcarrier Allocation for Backscatter Systems with NOMA","display_name":"Joint Reflection Coefficient Selection and Subcarrier Allocation for Backscatter Systems with NOMA","publication_year":2020,"publication_date":"2020-05-01","ids":{"openalex":"https://openalex.org/W3036271150","doi":"https://doi.org/10.1109/wcnc45663.2020.9120844","mag":"3036271150"},"language":"en","primary_location":{"id":"doi:10.1109/wcnc45663.2020.9120844","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc45663.2020.9120844","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Wireless Communications and Networking Conference (WCNC)","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/A5005389070","display_name":"Farhad Dashti Ardakani","orcid":null},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Farhad Dashti Ardakani","raw_affiliation_strings":["The University of British Columbia, Department of Electrical and Computer Engineering, Vancouver, Canada","The University of British Columbia, Vancouver, BS, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of British Columbia, Department of Electrical and Computer Engineering, Vancouver, Canada","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"The University of British Columbia, Vancouver, BS, Canada","institution_ids":["https://openalex.org/I141945490"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5003037377","display_name":"Vincent W. S. Wong","orcid":"https://orcid.org/0000-0003-3821-4365"},"institutions":[{"id":"https://openalex.org/I141945490","display_name":"University of British Columbia","ror":"https://ror.org/03rmrcq20","country_code":"CA","type":"education","lineage":["https://openalex.org/I141945490"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"Vincent W.S. Wong","raw_affiliation_strings":["The University of British Columbia, Department of Electrical and Computer Engineering, Vancouver, Canada","The University of British Columbia, Vancouver, BS, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"The University of British Columbia, Department of Electrical and Computer Engineering, Vancouver, Canada","institution_ids":["https://openalex.org/I141945490"]},{"raw_affiliation_string":"The University of British Columbia, Vancouver, BS, Canada","institution_ids":["https://openalex.org/I141945490"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I141945490"],"apc_list":null,"apc_paid":null,"fwci":5.3674,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.97146825,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998999834060669,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9998999834060669,"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":0.9998000264167786,"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/T11192","display_name":"Underwater Vehicles and Communication Systems","score":0.9976999759674072,"subfield":{"id":"https://openalex.org/subfields/2212","display_name":"Ocean 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":0.6622236967086792},{"id":"https://openalex.org/keywords/benchmark","display_name":"Benchmark (surveying)","score":0.6341449022293091},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6063045263290405},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.5789450407028198},{"id":"https://openalex.org/keywords/convex-optimization","display_name":"Convex optimization","score":0.5367732048034668},{"id":"https://openalex.org/keywords/optimization-problem","display_name":"Optimization problem","score":0.5318619608879089},{"id":"https://openalex.org/keywords/backscatter","display_name":"Backscatter (email)","score":0.5250974893569946},{"id":"https://openalex.org/keywords/noma","display_name":"Noma","score":0.5183090567588806},{"id":"https://openalex.org/keywords/resource-allocation","display_name":"Resource allocation","score":0.44761449098587036},{"id":"https://openalex.org/keywords/aggregate","display_name":"Aggregate (composite)","score":0.4306453466415405},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.34084784984588623},{"id":"https://openalex.org/keywords/regular-polygon","display_name":"Regular polygon","score":0.2568201422691345},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.25421684980392456},{"id":"https://openalex.org/keywords/orthogonal-frequency-division-multiplexing","display_name":"Orthogonal frequency-division multiplexing","score":0.20179495215415955},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.14811033010482788},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.13713711500167847},{"id":"https://openalex.org/keywords/telecommunications-link","display_name":"Telecommunications link","score":0.09514006972312927},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.09436139464378357}],"concepts":[{"id":"https://openalex.org/C198329298","wikidata":"https://www.wikidata.org/wiki/Q586358","display_name":"Subcarrier","level":4,"score":0.6622236967086792},{"id":"https://openalex.org/C185798385","wikidata":"https://www.wikidata.org/wiki/Q1161707","display_name":"Benchmark (surveying)","level":2,"score":0.6341449022293091},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6063045263290405},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.5789450407028198},{"id":"https://openalex.org/C157972887","wikidata":"https://www.wikidata.org/wiki/Q463359","display_name":"Convex optimization","level":3,"score":0.5367732048034668},{"id":"https://openalex.org/C137836250","wikidata":"https://www.wikidata.org/wiki/Q984063","display_name":"Optimization problem","level":2,"score":0.5318619608879089},{"id":"https://openalex.org/C30354325","wikidata":"https://www.wikidata.org/wiki/Q204667","display_name":"Backscatter (email)","level":3,"score":0.5250974893569946},{"id":"https://openalex.org/C2775918612","wikidata":"https://www.wikidata.org/wiki/Q994794","display_name":"Noma","level":3,"score":0.5183090567588806},{"id":"https://openalex.org/C29202148","wikidata":"https://www.wikidata.org/wiki/Q287260","display_name":"Resource allocation","level":2,"score":0.44761449098587036},{"id":"https://openalex.org/C4679612","wikidata":"https://www.wikidata.org/wiki/Q866298","display_name":"Aggregate (composite)","level":2,"score":0.4306453466415405},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.34084784984588623},{"id":"https://openalex.org/C112680207","wikidata":"https://www.wikidata.org/wiki/Q714886","display_name":"Regular polygon","level":2,"score":0.2568201422691345},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.25421684980392456},{"id":"https://openalex.org/C40409654","wikidata":"https://www.wikidata.org/wiki/Q375889","display_name":"Orthogonal frequency-division multiplexing","level":3,"score":0.20179495215415955},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.14811033010482788},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.13713711500167847},{"id":"https://openalex.org/C138660444","wikidata":"https://www.wikidata.org/wiki/Q5607897","display_name":"Telecommunications link","level":2,"score":0.09514006972312927},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.09436139464378357},{"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/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","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/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.0},{"id":"https://openalex.org/C13280743","wikidata":"https://www.wikidata.org/wiki/Q131089","display_name":"Geodesy","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}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/wcnc45663.2020.9120844","is_oa":false,"landing_page_url":"https://doi.org/10.1109/wcnc45663.2020.9120844","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2020 IEEE Wireless Communications and Networking Conference (WCNC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/9","score":0.5600000023841858,"display_name":"Industry, innovation and infrastructure"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":12,"referenced_works":["https://openalex.org/W1967956032","https://openalex.org/W1997958020","https://openalex.org/W2186982976","https://openalex.org/W2510173137","https://openalex.org/W2772502660","https://openalex.org/W2775135700","https://openalex.org/W2789703398","https://openalex.org/W2963182284","https://openalex.org/W2963291364","https://openalex.org/W2975892129","https://openalex.org/W3098197514","https://openalex.org/W6687245102"],"related_works":["https://openalex.org/W3030525848","https://openalex.org/W4385197910","https://openalex.org/W2340639785","https://openalex.org/W3010814398","https://openalex.org/W4385197899","https://openalex.org/W3005957545","https://openalex.org/W2076432172","https://openalex.org/W4309235375","https://openalex.org/W1964989099","https://openalex.org/W2547202878"],"abstract_inverted_index":{"Non-orthogonal":[0],"multiple":[1,155],"access":[2,156],"(NOMA)":[3],"and":[4,53,61,105,109],"backscatter":[5,32],"communication":[6,15,33],"are":[7],"two":[8],"emerging":[9],"technologies":[10],"that":[11,124,142],"enable":[12],"low":[13],"power":[14],"for":[16],"the":[17,40,45,50,68,93,125,135,153],"Internet":[18],"of":[19,44,102],"Things":[20],"(IoT)":[21],"devices.":[22],"In":[23],"this":[24],"paper,":[25],"we":[26,71],"consider":[27],"a":[28,87,115,147],"multicarrier":[29],"NOMA":[30],"(MC-NOMA)":[31],"system.":[34],"The":[35,56,80],"objective":[36],"is":[37,59],"to":[38,96,113,134],"maximize":[39],"aggregate":[41,130,149],"data":[42,131,150],"rate":[43,132,151],"system":[46],"by":[47,99],"jointly":[48],"optimizing":[49],"reflection":[51],"coefficients":[52],"subcarrier":[54],"allocation.":[55],"formulated":[57],"problem":[58,95,98],"nonconvex":[60,94],"exhibits":[62],"hidden":[63],"monotonicity":[64],"structure.":[65],"To":[66],"obtain":[67,114],"optimal":[69,137],"solution,":[70],"propose":[72,110],"an":[73,111,129],"algorithm":[74,82,112],"based":[75],"on":[76],"discrete":[77],"monotonic":[78],"optimization.":[79],"proposed":[81,136,144],"can":[83],"be":[84],"considered":[85],"as":[86],"performance":[88],"benchmark.":[89],"We":[90],"also":[91,140],"transform":[92],"another":[97],"using":[100],"difference":[101],"convex":[103,107],"functions":[104],"successive":[106],"approximation":[108],"suboptimal":[116,126],"solution":[117],"in":[118],"polynomial":[119],"time.":[120],"Simulation":[121],"results":[122],"show":[123,141],"scheme":[127],"achieves":[128],"close":[133],"scheme.":[138,158],"Results":[139],"our":[143],"schemes":[145],"provide":[146],"higher":[148],"than":[152],"orthogonal":[154],"(OMA)":[157]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":8},{"year":2020,"cited_by_count":1}],"updated_date":"2026-07-29T14:22:42.915294","created_date":"2025-10-10T00:00:00"}