{"id":"https://openalex.org/W7164047010","doi":"https://doi.org/10.1109/jsac.2026.3701334","title":"Generalized Signal Design for RF and Optical SWIPT in Space\u2013Air\u2013Ground Integrated Networks","display_name":"Generalized Signal Design for RF and Optical SWIPT in Space\u2013Air\u2013Ground Integrated Networks","publication_year":2026,"publication_date":"2026-01-01","ids":{"openalex":"https://openalex.org/W7164047010","doi":"https://doi.org/10.1109/jsac.2026.3701334"},"language":null,"primary_location":{"id":"doi:10.1109/jsac.2026.3701334","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2026.3701334","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","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/A5138251479","display_name":"Shuaishuai Guo","orcid":"https://orcid.org/0000-0003-0885-7327"},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Shuaishuai Guo","raw_affiliation_strings":["School of Control Science and Engineering, Shandong University, Jinan, China"],"raw_orcid":"https://orcid.org/0000-0003-0885-7327","affiliations":[{"raw_affiliation_string":"School of Control Science and Engineering, Shandong University, Jinan, China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5092655022","display_name":"Kaiqian Qu","orcid":null},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Kaiqian Qu","raw_affiliation_strings":["School of Information Science and Engineering, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0009-0007-1357-7668","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001552076","display_name":"Chenhao Qi","orcid":"https://orcid.org/0000-0002-7360-939X"},"institutions":[{"id":"https://openalex.org/I76569877","display_name":"Southeast University","ror":"https://ror.org/04ct4d772","country_code":"CN","type":"education","lineage":["https://openalex.org/I76569877"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Chenhao Qi","raw_affiliation_strings":["School of Information Science and Engineering, Southeast University, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-7360-939X","affiliations":[{"raw_affiliation_string":"School of Information Science and Engineering, Southeast University, Nanjing, China","institution_ids":["https://openalex.org/I76569877"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5029285549","display_name":"Anbang Zhang","orcid":"https://orcid.org/0009-0001-3544-5574"},"institutions":[{"id":"https://openalex.org/I154099455","display_name":"Shandong University","ror":"https://ror.org/0207yh398","country_code":"CN","type":"education","lineage":["https://openalex.org/I154099455"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Anbang Zhang","raw_affiliation_strings":["School of Control Science and Engineering, Shandong University, Jinan, China"],"raw_orcid":"https://orcid.org/0009-0001-3544-5574","affiliations":[{"raw_affiliation_string":"School of Control Science and Engineering, Shandong University, Jinan, China","institution_ids":["https://openalex.org/I154099455"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5042844558","display_name":"Chenyuan Feng","orcid":"https://orcid.org/0000-0003-1758-9213"},"institutions":[{"id":"https://openalex.org/I23923803","display_name":"University of Exeter","ror":"https://ror.org/03yghzc09","country_code":"GB","type":"education","lineage":["https://openalex.org/I23923803"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Chenyuan Feng","raw_affiliation_strings":["Department of Computer Science, University of Exeter, Exeter, U.K"],"raw_orcid":"https://orcid.org/0000-0003-1758-9213","affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Exeter, Exeter, U.K","institution_ids":["https://openalex.org/I23923803"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5138205154","display_name":"Geyong Min","orcid":"https://orcid.org/0000-0003-1395-7314"},"institutions":[{"id":"https://openalex.org/I23923803","display_name":"University of Exeter","ror":"https://ror.org/03yghzc09","country_code":"GB","type":"education","lineage":["https://openalex.org/I23923803"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Geyong Min","raw_affiliation_strings":["Department of Computer Science, University of Exeter, Exeter, U.K"],"raw_orcid":"https://orcid.org/0000-0003-1395-7314","affiliations":[{"raw_affiliation_string":"Department of Computer Science, University of Exeter, Exeter, U.K","institution_ids":["https://openalex.org/I23923803"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.68178769,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"44","issue":null,"first_page":"4953","last_page":"4967"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10851","display_name":"Optical Wireless Communication Technologies","score":0.2906000018119812,"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/T10851","display_name":"Optical Wireless Communication Technologies","score":0.2906000018119812,"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/T10767","display_name":"Advanced Photonic Communication Systems","score":0.2840999960899353,"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/T12042","display_name":"Satellite Communication Systems","score":0.15119999647140503,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/integrated-optics","display_name":"Integrated optics","score":0.47749999165534973},{"id":"https://openalex.org/keywords/signal-processing","display_name":"Signal processing","score":0.4643000066280365},{"id":"https://openalex.org/keywords/radio-frequency","display_name":"Radio frequency","score":0.37770000100135803},{"id":"https://openalex.org/keywords/signal","display_name":"SIGNAL (programming language)","score":0.37700000405311584},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.33390000462532043},{"id":"https://openalex.org/keywords/optical-communication","display_name":"Optical communication","score":0.31380000710487366}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.769599974155426},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.5430999994277954},{"id":"https://openalex.org/C2984692560","wikidata":"https://www.wikidata.org/wiki/Q523846","display_name":"Integrated optics","level":2,"score":0.47749999165534973},{"id":"https://openalex.org/C104267543","wikidata":"https://www.wikidata.org/wiki/Q208163","display_name":"Signal processing","level":3,"score":0.4643000066280365},{"id":"https://openalex.org/C74064498","wikidata":"https://www.wikidata.org/wiki/Q3396184","display_name":"Radio frequency","level":2,"score":0.37770000100135803},{"id":"https://openalex.org/C2779843651","wikidata":"https://www.wikidata.org/wiki/Q7390335","display_name":"SIGNAL (programming language)","level":2,"score":0.37700000405311584},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.33390000462532043},{"id":"https://openalex.org/C129404179","wikidata":"https://www.wikidata.org/wiki/Q1469765","display_name":"Optical communication","level":2,"score":0.31380000710487366},{"id":"https://openalex.org/C2986910011","wikidata":"https://www.wikidata.org/wiki/Q17517","display_name":"Cellular radio","level":3,"score":0.29910001158714294},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.2985999882221222},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.28600001335144043},{"id":"https://openalex.org/C3866505","wikidata":"https://www.wikidata.org/wiki/Q3935725","display_name":"Optical communications repeater","level":5,"score":0.2815000116825104},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.28130000829696655},{"id":"https://openalex.org/C530198007","wikidata":"https://www.wikidata.org/wiki/Q80831","display_name":"Integrated circuit","level":2,"score":0.260699987411499}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/jsac.2026.3701334","is_oa":false,"landing_page_url":"https://doi.org/10.1109/jsac.2026.3701334","pdf_url":null,"source":{"id":"https://openalex.org/S90422530","display_name":"IEEE Journal on Selected Areas in Communications","issn_l":"0733-8716","issn":["0733-8716","1558-0008"],"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 Journal on Selected Areas in Communications","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.47167786955833435,"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7"}],"awards":[{"id":"https://openalex.org/G2088587267","display_name":null,"funder_award_id":"ZR2025MS983","funder_id":"https://openalex.org/F4320324174","funder_display_name":"Natural Science Foundation of Shandong Province"},{"id":"https://openalex.org/G3121655656","display_name":null,"funder_award_id":"ZR2025MS983","funder_id":"https://openalex.org/F4320336925","funder_display_name":"Shandong Provincial Postdoctoral Science Foundation"},{"id":"https://openalex.org/G8143241445","display_name":null,"funder_award_id":"62301328","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320324174","display_name":"Natural Science Foundation of Shandong Province","ror":null},{"id":"https://openalex.org/F4320336925","display_name":"Shandong Provincial Postdoctoral Science Foundation","ror":null}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":36,"referenced_works":["https://openalex.org/W1966000877","https://openalex.org/W1996215314","https://openalex.org/W2032372805","https://openalex.org/W2051434435","https://openalex.org/W2076680677","https://openalex.org/W2122744491","https://openalex.org/W2123843059","https://openalex.org/W2140684029","https://openalex.org/W2468947923","https://openalex.org/W2555370795","https://openalex.org/W2739984441","https://openalex.org/W2790354097","https://openalex.org/W2906168043","https://openalex.org/W2913631833","https://openalex.org/W2949229731","https://openalex.org/W2968389137","https://openalex.org/W2969519626","https://openalex.org/W2981096252","https://openalex.org/W3000290725","https://openalex.org/W3027460437","https://openalex.org/W3034013821","https://openalex.org/W3200629432","https://openalex.org/W4285293128","https://openalex.org/W4292363360","https://openalex.org/W4387883758","https://openalex.org/W4393213332","https://openalex.org/W4394711313","https://openalex.org/W4399619630","https://openalex.org/W4401073096","https://openalex.org/W4403059010","https://openalex.org/W4404645791","https://openalex.org/W4409325843","https://openalex.org/W4414539085","https://openalex.org/W7092203543","https://openalex.org/W7114907119","https://openalex.org/W7131661634"],"related_works":[],"abstract_inverted_index":{"Simultaneous":[0],"wireless":[1,91],"information":[2],"and":[3,38,54,64,95,119,127],"power":[4,66,92,98],"transfer":[5,93],"(SWIPT)":[6],"has":[7],"emerged":[8],"as":[9],"a":[10,26,70,77,146],"cornerstone":[11],"technology":[12],"for":[13,148],"sustainable":[14,149],"connectivity":[15],"in":[16,138,152],"sixth-generation":[17],"(6G)":[18],"space\u2013air\u2013ground":[19],"integrated":[20,155],"networks":[21],"(SAGIN).":[22],"This":[23],"paper":[24],"proposes":[25],"unified":[27],"signal":[28,72],"design":[29,73],"framework":[30,74],"that":[31,131],"jointly":[32],"supports":[33],"radio-frequency":[34],"(RF)":[35],"coherent":[36],"reception":[37],"noncoherent":[39],"energy":[40],"detection":[41],"with":[42,142],"colocated":[43],"or":[44],"separated":[45],"deployments":[46],"of":[47],"information/energy":[48],"receivers":[49],"(IR/ER),":[50],"thereby":[51],"bridging":[52],"RF":[53],"intensity-modulation/direct-detection":[55],"(IM/DD)":[56],"optical":[57],"links.":[58],"Guided":[59],"by":[60],"reliability,":[61],"spectral":[62],"efficiency,":[63],"harvested":[65],"metrics,":[67],"we":[68],"develop":[69],"generalized":[71],"based":[75],"on":[76],"refined":[78],"sphere-packing":[79],"aimed":[80],"at":[81],"constructing":[82],"high-dimensional":[83],"symbols":[84],"across":[85],"space-time-frequency":[86],"resources":[87],"subject":[88],"to":[89],"symbol-level":[90],"constraints":[94],"an":[96,112,120],"average":[97],"budget.":[99],"The":[100],"resulting":[101],"nonconvex":[102],"quadratically":[103],"constrained":[104],"quadratic":[105],"program":[106],"(QCQP)":[107],"is":[108],"efficiently":[109],"solved":[110],"using":[111],"alternating":[113],"semidefinite":[114],"programming\u2013linear":[115],"programming":[116],"(ASDP\u2013LP)":[117],"method":[118],"augmented":[121],"Lagrangian":[122],"dual-ascent":[123],"(ALDA)":[124],"algorithm.":[125],"Analytical":[126],"simulation":[128],"results":[129],"confirm":[130],"the":[132],"proposed":[133],"approach":[134],"achieves":[135],"significant":[136],"gains":[137],"communication-power":[139],"trade-offs":[140],"compared":[141],"conventional":[143],"schemes,":[144],"providing":[145],"foundation":[147],"RF\u2013optical":[150],"SWIPT":[151],"future":[153],"6G":[154],"networks.":[156]},"counts_by_year":[],"updated_date":"2026-06-24T06:17:17.354583","created_date":"2026-06-10T00:00:00"}
