{"id":"https://openalex.org/W2885342277","doi":"https://doi.org/10.1145/3225058.3225080","title":"Charging Task Scheduling for Directional Wireless Charger Networks","display_name":"Charging Task Scheduling for Directional Wireless Charger Networks","publication_year":2018,"publication_date":"2018-08-08","ids":{"openalex":"https://openalex.org/W2885342277","doi":"https://doi.org/10.1145/3225058.3225080","mag":"2885342277"},"language":"en","primary_location":{"id":"doi:10.1145/3225058.3225080","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3225058.3225080","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 47th International Conference on Parallel Processing","raw_type":"proceedings-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/A5003181030","display_name":"Haipeng Dai","orcid":"https://orcid.org/0000-0003-0545-8187"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Haipeng Dai","raw_affiliation_strings":["State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5087258551","display_name":"Ke Sun","orcid":"https://orcid.org/0000-0001-9563-1398"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ke Sun","raw_affiliation_strings":["State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5008787905","display_name":"Alex X. Liu","orcid":"https://orcid.org/0000-0002-6916-1326"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]},{"id":"https://openalex.org/I87216513","display_name":"Michigan State University","ror":"https://ror.org/05hs6h993","country_code":"US","type":"education","lineage":["https://openalex.org/I87216513"]}],"countries":["CN","US"],"is_corresponding":false,"raw_author_name":"Alex X. Liu","raw_affiliation_strings":["State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China, Department of Computer Science and Engineering, Michigan State University, East Lansing, Michigan, USA"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China, Department of Computer Science and Engineering, Michigan State University, East Lansing, Michigan, USA","institution_ids":["https://openalex.org/I881766915","https://openalex.org/I87216513"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100448155","display_name":"Lijun Zhang","orcid":"https://orcid.org/0000-0002-5138-3182"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Lijun Zhang","raw_affiliation_strings":["State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101513130","display_name":"Jiaqi Zheng","orcid":"https://orcid.org/0000-0001-8403-9655"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jiaqi Zheng","raw_affiliation_strings":["State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China","institution_ids":["https://openalex.org/I881766915"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100428808","display_name":"Guihai Chen","orcid":"https://orcid.org/0000-0002-6934-1685"},"institutions":[{"id":"https://openalex.org/I881766915","display_name":"Nanjing University","ror":"https://ror.org/01rxvg760","country_code":"CN","type":"education","lineage":["https://openalex.org/I881766915"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guihai Chen","raw_affiliation_strings":["State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China"],"affiliations":[{"raw_affiliation_string":"State Key Laboratory for Novel Software Technology, Nanjing University, Nanjing, Jiangsu, China","institution_ids":["https://openalex.org/I881766915"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5003181030"],"corresponding_institution_ids":["https://openalex.org/I881766915"],"apc_list":null,"apc_paid":null,"fwci":1.545,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.83980302,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"10"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11392","display_name":"Energy Harvesting in Wireless Networks","score":1.0,"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/T11392","display_name":"Energy Harvesting in Wireless Networks","score":1.0,"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/T11249","display_name":"Wireless Power Transfer Systems","score":0.9986000061035156,"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/T11458","display_name":"Advanced Wireless Communication Technologies","score":0.9884999990463257,"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/submodular-set-function","display_name":"Submodular set function","score":0.813427209854126},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7476542592048645},{"id":"https://openalex.org/keywords/testbed","display_name":"Testbed","score":0.5721586346626282},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.56514573097229},{"id":"https://openalex.org/keywords/wireless-sensor-network","display_name":"Wireless sensor network","score":0.5535123348236084},{"id":"https://openalex.org/keywords/scheduling","display_name":"Scheduling (production processes)","score":0.53745037317276},{"id":"https://openalex.org/keywords/matroid","display_name":"Matroid","score":0.5134773850440979},{"id":"https://openalex.org/keywords/approximation-algorithm","display_name":"Approximation algorithm","score":0.5035433173179626},{"id":"https://openalex.org/keywords/online-algorithm","display_name":"Online algorithm","score":0.47729718685150146},{"id":"https://openalex.org/keywords/competitive-analysis","display_name":"Competitive analysis","score":0.46423497796058655},{"id":"https://openalex.org/keywords/distributed-computing","display_name":"Distributed computing","score":0.4218830168247223},{"id":"https://openalex.org/keywords/wireless-network","display_name":"Wireless network","score":0.417511522769928},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.36390358209609985},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.33897876739501953},{"id":"https://openalex.org/keywords/upper-and-lower-bounds","display_name":"Upper and lower bounds","score":0.24655693769454956},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.24474939703941345},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.1160605251789093}],"concepts":[{"id":"https://openalex.org/C178621042","wikidata":"https://www.wikidata.org/wiki/Q7631710","display_name":"Submodular set function","level":2,"score":0.813427209854126},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7476542592048645},{"id":"https://openalex.org/C31395832","wikidata":"https://www.wikidata.org/wiki/Q1318674","display_name":"Testbed","level":2,"score":0.5721586346626282},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.56514573097229},{"id":"https://openalex.org/C24590314","wikidata":"https://www.wikidata.org/wiki/Q336038","display_name":"Wireless sensor network","level":2,"score":0.5535123348236084},{"id":"https://openalex.org/C206729178","wikidata":"https://www.wikidata.org/wiki/Q2271896","display_name":"Scheduling (production processes)","level":2,"score":0.53745037317276},{"id":"https://openalex.org/C106286213","wikidata":"https://www.wikidata.org/wiki/Q898572","display_name":"Matroid","level":2,"score":0.5134773850440979},{"id":"https://openalex.org/C148764684","wikidata":"https://www.wikidata.org/wiki/Q621751","display_name":"Approximation algorithm","level":2,"score":0.5035433173179626},{"id":"https://openalex.org/C196921405","wikidata":"https://www.wikidata.org/wiki/Q786431","display_name":"Online algorithm","level":2,"score":0.47729718685150146},{"id":"https://openalex.org/C102408133","wikidata":"https://www.wikidata.org/wiki/Q5156350","display_name":"Competitive analysis","level":3,"score":0.46423497796058655},{"id":"https://openalex.org/C120314980","wikidata":"https://www.wikidata.org/wiki/Q180634","display_name":"Distributed computing","level":1,"score":0.4218830168247223},{"id":"https://openalex.org/C108037233","wikidata":"https://www.wikidata.org/wiki/Q11375","display_name":"Wireless network","level":3,"score":0.417511522769928},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.36390358209609985},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.33897876739501953},{"id":"https://openalex.org/C77553402","wikidata":"https://www.wikidata.org/wiki/Q13222579","display_name":"Upper and lower bounds","level":2,"score":0.24655693769454956},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.24474939703941345},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.1160605251789093},{"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/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/3225058.3225080","is_oa":false,"landing_page_url":"https://doi.org/10.1145/3225058.3225080","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 47th International Conference on Parallel Processing","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W654748054","https://openalex.org/W1496876165","https://openalex.org/W1531257206","https://openalex.org/W1576820654","https://openalex.org/W1680189815","https://openalex.org/W1783275161","https://openalex.org/W1966079129","https://openalex.org/W1977376809","https://openalex.org/W1981310772","https://openalex.org/W1982770143","https://openalex.org/W1994064580","https://openalex.org/W2011741843","https://openalex.org/W2022739345","https://openalex.org/W2032372805","https://openalex.org/W2095356712","https://openalex.org/W2116385515","https://openalex.org/W2167990963","https://openalex.org/W2257832892","https://openalex.org/W2475181244","https://openalex.org/W2488111582","https://openalex.org/W2489290374","https://openalex.org/W2514707367","https://openalex.org/W2518146653","https://openalex.org/W2546526328","https://openalex.org/W2562146766","https://openalex.org/W2735279974","https://openalex.org/W2752885492","https://openalex.org/W2758449705","https://openalex.org/W2760845069","https://openalex.org/W2786556725","https://openalex.org/W2787460569","https://openalex.org/W2790502685","https://openalex.org/W2792717301","https://openalex.org/W3104612859","https://openalex.org/W4234897719","https://openalex.org/W4246219036"],"related_works":["https://openalex.org/W4320232260","https://openalex.org/W4252399622","https://openalex.org/W1499990180","https://openalex.org/W4241672388","https://openalex.org/W4213299358","https://openalex.org/W2564742953","https://openalex.org/W2793095688","https://openalex.org/W4367393448","https://openalex.org/W1623410360","https://openalex.org/W3115340459"],"abstract_inverted_index":{"This":[0],"paper":[1],"studies":[2],"the":[3,37,41,54,60,79,109,159,165],"problem":[4],"of":[5,19,31,39,75,81,112,138,158,174],"cHarging":[6],"tAsk":[7],"Scheduling":[8],"for":[9,58],"direcTional":[10],"wireless":[11,22],"chargEr":[12],"networks":[13],"(HASTE),":[14],"i.e.,":[15],"given":[16],"a":[17,25,29,46,72,83,88,94,117,135],"set":[18],"rotatable":[20],"directional":[21],"chargers":[23,42],"on":[24,134],"2D":[26],"area":[27],"and":[28,92,121,131,143,163],"series":[30],"offline":[32,48,96],"(online)":[33],"charging":[34,56,161,175],"tasks,":[35],"scheduling":[36],"orientations":[38],"all":[40,59],"with":[43],"time":[44],"in":[45,172],"centralized":[47,95],"(distributed":[49],"online)":[50],"fashion":[51],"to":[52,87,103,170],"maximize":[53],"overall":[55],"utility":[57],"tasks.":[61],"We":[62,128],"prove":[63,70,122],"that":[64,71,98,151],"HASTE":[65,76,105],"is":[66,108],"NP-hard.":[67],"Then,":[68],"we":[69,115],"relaxed":[73],"version":[74],"falls":[77],"within":[78],"realm":[80],"maximizing":[82],"submodular":[84],"function":[85],"subject":[86],"partition":[89],"matroid":[90],"constraint,":[91],"propose":[93,116],"algorithm":[97,120,155],"achieves":[99,124,156],"(1-\u03c1)(1-1/e)":[100],"approximation":[101],"ratio":[102],"address":[104],"where":[106],"\u03c1":[107],"switching":[110],"delay":[111],"chargers.":[113],"Further,":[114],"distributed":[118,153],"online":[119,154],"it":[123],"1/2(1-\u03c1)(1-1/e)":[125],"competitive":[126],"ratio.":[127],"conduct":[129],"simulations,":[130],"field":[132],"experiments":[133],"testbed":[136],"consisting":[137],"8":[139,144],"off-the-shelf":[140],"power":[141],"transmitters":[142],"rechargeable":[145],"sensor":[146],"nodes.":[147],"The":[148],"results":[149],"show":[150],"our":[152],"92.97%":[157],"optimal":[160],"utility,":[162],"outperforms":[164],"comparison":[166],"algorithms":[167],"by":[168],"up":[169],"26.19%":[171],"terms":[173],"utility.":[176]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":5},{"year":2019,"cited_by_count":4}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}