{"id":"https://openalex.org/W3196468970","doi":"https://doi.org/10.1109/lcomm.2021.3109036","title":"Analysis of ULA Spacing Threshold and Capacity Reduction in Distributed Satellite MIMO Scenarios","display_name":"Analysis of ULA Spacing Threshold and Capacity Reduction in Distributed Satellite MIMO Scenarios","publication_year":2021,"publication_date":"2021-08-30","ids":{"openalex":"https://openalex.org/W3196468970","doi":"https://doi.org/10.1109/lcomm.2021.3109036","mag":"3196468970"},"language":"en","primary_location":{"id":"doi:10.1109/lcomm.2021.3109036","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3109036","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","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/A5100331578","display_name":"Cong Li","orcid":"https://orcid.org/0000-0002-2422-1444"},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Cong Li","raw_affiliation_strings":["College of Communications Engineering, Army Engineering University of PLA, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0002-2422-1444","affiliations":[{"raw_affiliation_string":"College of Communications Engineering, Army Engineering University of PLA, Nanjing, China","institution_ids":["https://openalex.org/I4210163363"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102755879","display_name":"Hongpeng Zhu","orcid":"https://orcid.org/0000-0003-1081-7412"},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Hongpeng Zhu","raw_affiliation_strings":["College of Communications Engineering, Army Engineering University of PLA, Nanjing, China"],"raw_orcid":"https://orcid.org/0000-0003-1081-7412","affiliations":[{"raw_affiliation_string":"College of Communications Engineering, Army Engineering University of PLA, Nanjing, China","institution_ids":["https://openalex.org/I4210163363"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100406318","display_name":"Guang Li","orcid":"https://orcid.org/0000-0003-1068-0479"},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guang Li","raw_affiliation_strings":["College of Communications Engineering, Army Engineering University of PLA, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Communications Engineering, Army Engineering University of PLA, Nanjing, China","institution_ids":["https://openalex.org/I4210163363"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100783121","display_name":"Yanyan Zhang","orcid":"https://orcid.org/0000-0001-6118-7604"},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yanyan Zhang","raw_affiliation_strings":["College of Communications Engineering, Army Engineering University of PLA, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Communications Engineering, Army Engineering University of PLA, Nanjing, China","institution_ids":["https://openalex.org/I4210163363"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102762930","display_name":"Guangxia Li","orcid":"https://orcid.org/0000-0003-3678-6239"},"institutions":[{"id":"https://openalex.org/I4210163363","display_name":"PLA Army Engineering University","ror":"https://ror.org/05mgp8x93","country_code":"CN","type":"education","lineage":["https://openalex.org/I4210163363"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Guangxia Li","raw_affiliation_strings":["College of Communications Engineering, Army Engineering University of PLA, Nanjing, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"College of Communications Engineering, Army Engineering University of PLA, Nanjing, China","institution_ids":["https://openalex.org/I4210163363"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I4210163363"],"apc_list":null,"apc_paid":null,"fwci":8.5408,"has_fulltext":false,"cited_by_count":11,"citation_normalized_percentile":{"value":0.97053814,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":98},"biblio":{"volume":"25","issue":"11","first_page":"3669","last_page":"3673"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12042","display_name":"Satellite Communication Systems","score":1.0,"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/T12042","display_name":"Satellite Communication Systems","score":1.0,"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/T10575","display_name":"Wireless Communication Networks Research","score":0.9979000091552734,"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/T10796","display_name":"Cooperative Communication and Network Coding","score":0.9966999888420105,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7549238204956055},{"id":"https://openalex.org/keywords/reduction","display_name":"Reduction (mathematics)","score":0.7510732412338257},{"id":"https://openalex.org/keywords/channel-capacity","display_name":"Channel capacity","score":0.7070196270942688},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5741559863090515},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5693448185920715},{"id":"https://openalex.org/keywords/satellite","display_name":"Satellite","score":0.5371329188346863},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.4912685751914978},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.47594666481018066},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4328426122665405},{"id":"https://openalex.org/keywords/communications-satellite","display_name":"Communications satellite","score":0.41752636432647705},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3471170663833618},{"id":"https://openalex.org/keywords/mathematical-optimization","display_name":"Mathematical optimization","score":0.3324970602989197},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.09828445315361023},{"id":"https://openalex.org/keywords/geometry","display_name":"Geometry","score":0.07677751779556274},{"id":"https://openalex.org/keywords/aerospace-engineering","display_name":"Aerospace engineering","score":0.06882649660110474},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.05987352132797241}],"concepts":[{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7549238204956055},{"id":"https://openalex.org/C111335779","wikidata":"https://www.wikidata.org/wiki/Q3454686","display_name":"Reduction (mathematics)","level":2,"score":0.7510732412338257},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.7070196270942688},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5741559863090515},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5693448185920715},{"id":"https://openalex.org/C19269812","wikidata":"https://www.wikidata.org/wiki/Q26540","display_name":"Satellite","level":2,"score":0.5371329188346863},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.4912685751914978},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.47594666481018066},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4328426122665405},{"id":"https://openalex.org/C121308736","wikidata":"https://www.wikidata.org/wiki/Q149918","display_name":"Communications satellite","level":3,"score":0.41752636432647705},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3471170663833618},{"id":"https://openalex.org/C126255220","wikidata":"https://www.wikidata.org/wiki/Q141495","display_name":"Mathematical optimization","level":1,"score":0.3324970602989197},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.09828445315361023},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.07677751779556274},{"id":"https://openalex.org/C146978453","wikidata":"https://www.wikidata.org/wiki/Q3798668","display_name":"Aerospace engineering","level":1,"score":0.06882649660110474},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.05987352132797241}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/lcomm.2021.3109036","is_oa":false,"landing_page_url":"https://doi.org/10.1109/lcomm.2021.3109036","pdf_url":null,"source":{"id":"https://openalex.org/S147316732","display_name":"IEEE Communications Letters","issn_l":"1089-7798","issn":["1089-7798","1558-2558","2373-7891"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310316002","host_organization_name":"IEEE Communications Society","host_organization_lineage":["https://openalex.org/P4310316002","https://openalex.org/P4310319808"],"host_organization_lineage_names":["IEEE Communications Society","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 Communications Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy","score":0.550000011920929}],"awards":[],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W610891907","https://openalex.org/W1765894122","https://openalex.org/W2098814788","https://openalex.org/W2133420037","https://openalex.org/W2621547590","https://openalex.org/W2734591528","https://openalex.org/W2807554399","https://openalex.org/W2893666888","https://openalex.org/W2919225749","https://openalex.org/W2942814026","https://openalex.org/W3136299648"],"related_works":["https://openalex.org/W1539855486","https://openalex.org/W2349752445","https://openalex.org/W2028190576","https://openalex.org/W2248583328","https://openalex.org/W3198080347","https://openalex.org/W2355231046","https://openalex.org/W2488227130","https://openalex.org/W1579662240","https://openalex.org/W4231582551","https://openalex.org/W4206958678"],"abstract_inverted_index":{"In":[0],"this":[1,60],"letter,":[2],"we":[3],"consider":[4],"a":[5,16,54,78,106],"distributed":[6],"satellite":[7],"MIMO":[8],"scenario":[9],"that":[10,37],"includes":[11],"two":[12,84],"GEO":[13],"satellites":[14,85],"and":[15,33,62,110],"uniform":[17],"linear":[18],"array":[19],"(ULA).":[20],"The":[21,56],"effect":[22],"of":[23,26,59],"geometrical":[24],"arrangement":[25],"ULA":[27],"on":[28],"channel":[29],"capacity":[30,40,90,109],"is":[31,35,51,81,98],"investigated,":[32],"it":[34],"proved":[36],"the":[38,69,88,93],"optimal":[39],"can":[41,102],"always":[42],"be":[43,72,96],"obtained":[44],"as":[45,47],"long":[46],"its":[48,63],"antenna":[49,111],"spacing":[50],"larger":[52],"than":[53],"threshold.":[55],"closed-form":[57],"expressions":[58],"threshold":[61,70,94],"asymptotic":[64],"form":[65],"are":[66,86],"derived.":[67],"Considering":[68],"may":[71],"too":[73],"large":[74],"to":[75,104],"satisfy":[76],"when":[77,92],"low":[79],"frequency":[80],"used":[82],"or":[83],"close,":[87],"exact":[89],"reduction":[91],"cannot":[95],"satisfied":[97],"also":[99],"analyzed,":[100],"which":[101],"help":[103],"reach":[105],"compromise":[107],"between":[108],"spacing.":[112]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":2},{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":5}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}