{"id":"https://openalex.org/W3175953858","doi":"https://doi.org/10.1109/tvt.2021.3090760","title":"HAP-Reserved Communications in Space-Air-Ground Integrated Networks","display_name":"HAP-Reserved Communications in Space-Air-Ground Integrated Networks","publication_year":2021,"publication_date":"2021-06-22","ids":{"openalex":"https://openalex.org/W3175953858","doi":"https://doi.org/10.1109/tvt.2021.3090760","mag":"3175953858"},"language":"en","primary_location":{"id":"doi:10.1109/tvt.2021.3090760","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2021.3090760","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular Technology","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/A5100645992","display_name":"Xuelin Cao","orcid":"https://orcid.org/0000-0002-6221-0754"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":true,"raw_author_name":"Xuelin Cao","raw_affiliation_strings":["Engineering Product Development Pillar, Singapore University of Technology and Design, Singapore"],"affiliations":[{"raw_affiliation_string":"Engineering Product Development Pillar, Singapore University of Technology and Design, Singapore","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5028362101","display_name":"Bo Yang","orcid":"https://orcid.org/0000-0002-6275-8904"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Bo Yang","raw_affiliation_strings":["Engineering Product Development Pillar, Singapore University of Technology and Design, Singapore"],"affiliations":[{"raw_affiliation_string":"Engineering Product Development Pillar, Singapore University of Technology and Design, Singapore","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060020877","display_name":"Chau Yuen","orcid":"https://orcid.org/0000-0002-9307-2120"},"institutions":[{"id":"https://openalex.org/I152815399","display_name":"Singapore University of Technology and Design","ror":"https://ror.org/05j6fvn87","country_code":"SG","type":"education","lineage":["https://openalex.org/I152815399"]}],"countries":["SG"],"is_corresponding":false,"raw_author_name":"Chau Yuen","raw_affiliation_strings":["Engineering Product Development Pillar, Singapore University of Technology and Design, Singapore"],"affiliations":[{"raw_affiliation_string":"Engineering Product Development Pillar, Singapore University of Technology and Design, Singapore","institution_ids":["https://openalex.org/I152815399"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5063667378","display_name":"Zhu Han","orcid":"https://orcid.org/0000-0002-6606-5822"},"institutions":[{"id":"https://openalex.org/I44461941","display_name":"University of Houston","ror":"https://ror.org/048sx0r50","country_code":"US","type":"education","lineage":["https://openalex.org/I44461941"]},{"id":"https://openalex.org/I35928602","display_name":"Kyung Hee University","ror":"https://ror.org/01zqcg218","country_code":"KR","type":"education","lineage":["https://openalex.org/I35928602"]}],"countries":["KR","US"],"is_corresponding":false,"raw_author_name":"Zhu Han","raw_affiliation_strings":["Department of Computer Science, and Engineering, Kyung Hee University, Seoul, South Korea","Department of Electrical, Computer Engineering in the University of Houston, Houston, TX, USA"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science, and Engineering, Kyung Hee University, Seoul, South Korea","institution_ids":["https://openalex.org/I35928602"]},{"raw_affiliation_string":"Department of Electrical, Computer Engineering in the University of Houston, Houston, TX, USA","institution_ids":["https://openalex.org/I44461941"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100645992"],"corresponding_institution_ids":["https://openalex.org/I152815399"],"apc_list":null,"apc_paid":null,"fwci":9.1799,"has_fulltext":false,"cited_by_count":38,"citation_normalized_percentile":{"value":0.97575177,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":"70","issue":"8","first_page":"8286","last_page":"8291"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11133","display_name":"UAV Applications and Optimization","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T11133","display_name":"UAV Applications and Optimization","score":0.9997000098228455,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T12042","display_name":"Satellite Communication Systems","score":0.9991999864578247,"subfield":{"id":"https://openalex.org/subfields/2202","display_name":"Aerospace 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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.987500011920929,"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/transmission","display_name":"Transmission (telecommunications)","score":0.799945056438446},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5810142755508423},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.49045369029045105},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.48876070976257324},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.44718137383461},{"id":"https://openalex.org/keywords/ground-segment","display_name":"Ground segment","score":0.4395577609539032},{"id":"https://openalex.org/keywords/electric-power-transmission","display_name":"Electric power transmission","score":0.4365483820438385},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.3620378375053406},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.3200778365135193},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.23131144046783447},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.16994425654411316},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.12032395601272583},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.071175217628479}],"concepts":[{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.799945056438446},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5810142755508423},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.49045369029045105},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.48876070976257324},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.44718137383461},{"id":"https://openalex.org/C2781051052","wikidata":"https://www.wikidata.org/wiki/Q889737","display_name":"Ground segment","level":3,"score":0.4395577609539032},{"id":"https://openalex.org/C140311924","wikidata":"https://www.wikidata.org/wiki/Q200928","display_name":"Electric power transmission","level":2,"score":0.4365483820438385},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.3620378375053406},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.3200778365135193},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.23131144046783447},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.16994425654411316},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.12032395601272583},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.071175217628479},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tvt.2021.3090760","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tvt.2021.3090760","pdf_url":null,"source":{"id":"https://openalex.org/S10936095","display_name":"IEEE Transactions on Vehicular Technology","issn_l":"0018-9545","issn":["0018-9545","1939-9359"],"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 Transactions on Vehicular Technology","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.8199999928474426,"id":"https://metadata.un.org/sdg/11","display_name":"Sustainable cities and communities"}],"awards":[{"id":"https://openalex.org/G5000464008","display_name":null,"funder_award_id":"RIE2020","funder_id":"https://openalex.org/F4320320696","funder_display_name":"Agency for Science, Technology and Research"}],"funders":[{"id":"https://openalex.org/F4320320696","display_name":"Agency for Science, Technology and Research","ror":"https://ror.org/036wvzt09"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W2114791139","https://openalex.org/W2162598825","https://openalex.org/W2577229955","https://openalex.org/W2604436698","https://openalex.org/W2734990044","https://openalex.org/W2805161269","https://openalex.org/W2886485362","https://openalex.org/W2896977747","https://openalex.org/W2909847702","https://openalex.org/W2911323097","https://openalex.org/W2960447515","https://openalex.org/W2965694871","https://openalex.org/W3023078779","https://openalex.org/W3026933913","https://openalex.org/W3032755566","https://openalex.org/W3083761276","https://openalex.org/W3086362943","https://openalex.org/W3091203760","https://openalex.org/W3138193098","https://openalex.org/W3167603521"],"related_works":["https://openalex.org/W3007475720","https://openalex.org/W297064488","https://openalex.org/W2136583354","https://openalex.org/W2111238207","https://openalex.org/W1975289146","https://openalex.org/W2760721665","https://openalex.org/W2105887828","https://openalex.org/W2122599759","https://openalex.org/W2107954672","https://openalex.org/W330130819"],"abstract_inverted_index":{"Terrestrial":[0],"communication":[1,71],"networks":[2],"have":[3],"experienced":[4],"significant":[5],"development":[6],"in":[7,28],"recent":[8],"years":[9],"by":[10],"providing":[11],"emerging":[12],"services":[13],"for":[14,33],"ground":[15,34,91,125],"users.":[16],"However,":[17],"one":[18],"critical":[19],"challenge":[20],"raised":[21],"is":[22],"to":[23,37,67],"provide":[24],"full":[25],"coverage":[26],"(especially":[27],"dense":[29],"high-rise":[30],"urban":[31],"environments)":[32],"users":[35],"due":[36],"scarce":[38],"network":[39],"resources":[40],"and":[41,72,104,118],"limited":[42],"coverage.":[43],"To":[44,77],"meet":[45],"this":[46],"challenge,":[47],"we":[48,83],"propose":[49,84],"a":[50,85,110,124],"high":[51],"altitude":[52],"platform":[53],"(HAP)-reserved":[54],"ground-air-space":[55],"(GAS)":[56],"transmission":[57,65,75,81,86,95,103,108,130,140],"scheme,":[58,96],"which":[59],"combines":[60],"with":[61,109],"the":[62,69,74,79,90,100,105,115,120,128,135,138],"ground-to-space":[63],"(G2S)":[64],"scheme":[66],"strengthen":[68],"terrestrial":[70],"save":[73],"power.":[76],"integrate":[78],"two":[80],"schemes,":[82],"control":[87,141],"strategy.":[88,142],"Wherein,":[89],"user":[92,126],"decides":[93],"its":[94],"i.e.,":[97],"switches":[98],"between":[99],"GAS":[101,129],"link":[102,107],"G2S":[106],"probability.":[111],"We":[112],"then":[113],"maximize":[114],"overall":[116],"throughput":[117],"derive":[119],"optimal":[121],"probability":[122],"that":[123],"adopts":[127],"scheme.":[131],"Numerical":[132],"results":[133],"demonstrate":[134],"superiority":[136],"of":[137],"proposed":[139]},"counts_by_year":[{"year":2025,"cited_by_count":11},{"year":2024,"cited_by_count":12},{"year":2023,"cited_by_count":9},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}