{"id":"https://openalex.org/W2022737364","doi":"https://doi.org/10.1109/vetecf.2011.6092852","title":"Relay Aided Lifetime Prolongation for User Equipments in Hotspots","display_name":"Relay Aided Lifetime Prolongation for User Equipments in Hotspots","publication_year":2011,"publication_date":"2011-09-01","ids":{"openalex":"https://openalex.org/W2022737364","doi":"https://doi.org/10.1109/vetecf.2011.6092852","mag":"2022737364"},"language":"en","primary_location":{"id":"doi:10.1109/vetecf.2011.6092852","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecf.2011.6092852","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Vehicular Technology Conference (VTC Fall)","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/A5028341059","display_name":"Saifeng Ni","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Saifeng Ni","raw_affiliation_strings":["Wireless Information Network Laboratory, USTC, Hefei, Anhui, China","Wireless Inf. Network Lab., USTC, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Wireless Information Network Laboratory, USTC, Hefei, Anhui, China","institution_ids":[]},{"raw_affiliation_string":"Wireless Inf. Network Lab., USTC, Hefei, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5002524087","display_name":"Sihai Zhang","orcid":"https://orcid.org/0000-0001-5758-2169"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Sihai Zhang","raw_affiliation_strings":["Wireless Information Network Laboratory, USTC, Hefei, Anhui, China","Wireless Inf. Network Lab., USTC, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Wireless Information Network Laboratory, USTC, Hefei, Anhui, China","institution_ids":[]},{"raw_affiliation_string":"Wireless Inf. Network Lab., USTC, Hefei, China","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5065141875","display_name":"Wuyang Zhou","orcid":"https://orcid.org/0000-0003-2229-2852"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Wuyang Zhou","raw_affiliation_strings":["Wireless Information Network Laboratory, USTC, Hefei, Anhui, China","Wireless Inf. Network Lab., USTC, Hefei, China"],"affiliations":[{"raw_affiliation_string":"Wireless Information Network Laboratory, USTC, Hefei, Anhui, China","institution_ids":[]},{"raw_affiliation_string":"Wireless Inf. Network Lab., USTC, Hefei, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5085292302","display_name":"Bin Xia","orcid":"https://orcid.org/0000-0003-4713-5765"},"institutions":[{"id":"https://openalex.org/I2250955327","display_name":"Huawei Technologies (China)","ror":"https://ror.org/00cmhce21","country_code":"CN","type":"company","lineage":["https://openalex.org/I2250955327"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Bin Xia","raw_affiliation_strings":["Huawei Technologies, Inc., Shanghai, China","Huawei Technol. Co., Shanghai, China"],"affiliations":[{"raw_affiliation_string":"Huawei Technologies, Inc., Shanghai, China","institution_ids":["https://openalex.org/I2250955327"]},{"raw_affiliation_string":"Huawei Technol. Co., Shanghai, China","institution_ids":["https://openalex.org/I2250955327"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5028341059"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.12264469,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"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/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T10796","display_name":"Cooperative Communication and Network Coding","score":1.0,"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/T11158","display_name":"Wireless Networks and Protocols","score":0.9987999796867371,"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":0.9987000226974487,"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":0.9163855314254761},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.6734572649002075},{"id":"https://openalex.org/keywords/power-control","display_name":"Power control","score":0.629493236541748},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5270469784736633},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.4952761232852936},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.45958083868026733},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.4168587923049927},{"id":"https://openalex.org/keywords/protective-relay","display_name":"Protective relay","score":0.4136131703853607},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.38505125045776367},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.34920498728752136},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.315743625164032},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26128342747688293}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.9163855314254761},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.6734572649002075},{"id":"https://openalex.org/C56685638","wikidata":"https://www.wikidata.org/wiki/Q2300474","display_name":"Power control","level":3,"score":0.629493236541748},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5270469784736633},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.4952761232852936},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.45958083868026733},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.4168587923049927},{"id":"https://openalex.org/C2412688","wikidata":"https://www.wikidata.org/wiki/Q503732","display_name":"Protective relay","level":4,"score":0.4136131703853607},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.38505125045776367},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.34920498728752136},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.315743625164032},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26128342747688293},{"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/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/vetecf.2011.6092852","is_oa":false,"landing_page_url":"https://doi.org/10.1109/vetecf.2011.6092852","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2011 IEEE Vehicular Technology Conference (VTC Fall)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.9100000262260437,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W1972113789","https://openalex.org/W2009389101","https://openalex.org/W2020025991","https://openalex.org/W2113397531","https://openalex.org/W2130347036","https://openalex.org/W2148963518","https://openalex.org/W2152121970","https://openalex.org/W2403132503"],"related_works":["https://openalex.org/W1973873454","https://openalex.org/W3142892065","https://openalex.org/W2384133917","https://openalex.org/W2056980334","https://openalex.org/W2874772501","https://openalex.org/W2673189356","https://openalex.org/W3116605813","https://openalex.org/W2186816342","https://openalex.org/W2327779871","https://openalex.org/W4385992698"],"abstract_inverted_index":{"In":[0,44],"this":[1],"paper,":[2],"lifetime":[3,54,77],"of":[4,41,72],"user":[5],"equipments":[6],"in":[7],"hotspots":[8],"is":[9],"prolonged":[10],"by":[11],"combining":[12],"relay":[13,23,26,73],"technology":[14,74],"and":[15,24,53],"power":[16,29,51],"control":[17,30,52],"policy.":[18],"As":[19],"to":[20,34],"both":[21,50],"cable":[22],"wireless":[25],"scenarios,":[27],"effective":[28],"policies":[31],"are":[32,56],"adopted":[33],"maximize":[35],"energy":[36],"efficiency":[37],"under":[38],"the":[39,46,70],"premise":[40],"guaranteeing":[42],"QoS.":[43],"addition,":[45],"closed-form":[47],"results":[48],"for":[49],"gain":[55],"obtained,":[57],"which":[58],"match":[59],"well":[60],"with":[61],"numerical":[62],"results.":[63],"This":[64],"work":[65],"extends":[66],"our":[67],"understanding":[68],"about":[69],"effect":[71],"on":[75],"UE's":[76],"prolongation.":[78]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}