{"id":"https://openalex.org/W2104245165","doi":"https://doi.org/10.1145/1582379.1582568","title":"Adaptive power allocation in spatially correlated dual-hop MIMO relay channels","display_name":"Adaptive power allocation in spatially correlated dual-hop MIMO relay channels","publication_year":2009,"publication_date":"2009-06-21","ids":{"openalex":"https://openalex.org/W2104245165","doi":"https://doi.org/10.1145/1582379.1582568","mag":"2104245165"},"language":"en","primary_location":{"id":"doi:10.1145/1582379.1582568","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1582379.1582568","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly","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/A5102170699","display_name":"Ah-Young Kim","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Ah-Young Kim","raw_affiliation_strings":["Seoul National University, Kwanak, Seoul, Korea","Seoul National University, Kwanak, Seoul, Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"Seoul National University, Kwanak, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Seoul National University, Kwanak, Seoul, Korea#TAB#","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026174816","display_name":"Hee\u2010Nam Cho","orcid":null},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hee-Nam Cho","raw_affiliation_strings":["Seoul National University, Kwanak, Seoul, Korea","Seoul National University, Kwanak, Seoul, Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"Seoul National University, Kwanak, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Seoul National University, Kwanak, Seoul, Korea#TAB#","institution_ids":["https://openalex.org/I139264467"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5100765666","display_name":"Yong\u2010Hwan Lee","orcid":"https://orcid.org/0000-0001-8537-384X"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Yong-Hwan Lee","raw_affiliation_strings":["Seoul National University, Kwanak, Seoul, Korea","Seoul National University, Kwanak, Seoul, Korea#TAB#"],"affiliations":[{"raw_affiliation_string":"Seoul National University, Kwanak, Seoul, Korea","institution_ids":["https://openalex.org/I139264467"]},{"raw_affiliation_string":"Seoul National University, Kwanak, Seoul, Korea#TAB#","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5102170699"],"corresponding_institution_ids":["https://openalex.org/I139264467"],"apc_list":null,"apc_paid":null,"fwci":0.3625,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.65035108,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"869","last_page":"873"},"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9987999796867371,"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/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":0.82560133934021},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.7489651441574097},{"id":"https://openalex.org/keywords/hop","display_name":"Hop (telecommunications)","score":0.7275243997573853},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6036327481269836},{"id":"https://openalex.org/keywords/channel-capacity","display_name":"Channel capacity","score":0.5927057266235352},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.5309557318687439},{"id":"https://openalex.org/keywords/spatial-correlation","display_name":"Spatial correlation","score":0.5174461007118225},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.516911506652832},{"id":"https://openalex.org/keywords/transmitter-power-output","display_name":"Transmitter power output","score":0.5146058797836304},{"id":"https://openalex.org/keywords/cooperative-mimo","display_name":"Cooperative MIMO","score":0.4577575623989105},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3935233950614929},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.3717547357082367},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3422827124595642},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.3274444043636322},{"id":"https://openalex.org/keywords/multi-user-mimo","display_name":"Multi-user MIMO","score":0.3252517879009247},{"id":"https://openalex.org/keywords/control-theory","display_name":"Control theory (sociology)","score":0.3236691951751709},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.26258471608161926},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1738114058971405},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.10483169555664062},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.07569822669029236}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.82560133934021},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.7489651441574097},{"id":"https://openalex.org/C25906391","wikidata":"https://www.wikidata.org/wiki/Q1432381","display_name":"Hop (telecommunications)","level":2,"score":0.7275243997573853},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6036327481269836},{"id":"https://openalex.org/C97744766","wikidata":"https://www.wikidata.org/wiki/Q870845","display_name":"Channel capacity","level":3,"score":0.5927057266235352},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.5309557318687439},{"id":"https://openalex.org/C150060386","wikidata":"https://www.wikidata.org/wiki/Q7574054","display_name":"Spatial correlation","level":2,"score":0.5174461007118225},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.516911506652832},{"id":"https://openalex.org/C65422117","wikidata":"https://www.wikidata.org/wiki/Q358527","display_name":"Transmitter power output","level":4,"score":0.5146058797836304},{"id":"https://openalex.org/C2778079784","wikidata":"https://www.wikidata.org/wiki/Q25000112","display_name":"Cooperative MIMO","level":5,"score":0.4577575623989105},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3935233950614929},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.3717547357082367},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3422827124595642},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.3274444043636322},{"id":"https://openalex.org/C91330434","wikidata":"https://www.wikidata.org/wiki/Q738298","display_name":"Multi-user MIMO","level":4,"score":0.3252517879009247},{"id":"https://openalex.org/C47446073","wikidata":"https://www.wikidata.org/wiki/Q5165890","display_name":"Control theory (sociology)","level":3,"score":0.3236691951751709},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.26258471608161926},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1738114058971405},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.10483169555664062},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.07569822669029236},{"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/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.0},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.0},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/1582379.1582568","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1582379.1582568","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2009 International Conference on Wireless Communications and Mobile Computing: Connecting the World Wirelessly","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.566.68","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.566.68","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://s-space.snu.ac.kr/bitstream/10371/7529/1/165_4771.pdf","raw_type":"text"},{"id":"pmh:oai:s-space.snu.ac.kr:10371/7529","is_oa":false,"landing_page_url":"http://hdl.handle.net/10371/7529","pdf_url":null,"source":{"id":"https://openalex.org/S4306401345","display_name":"Seoul National University Open Repository (Seoul National University)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I139264467","host_organization_name":"Seoul National University","host_organization_lineage":["https://openalex.org/I139264467"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"Conference Paper"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Affordable and clean energy","id":"https://metadata.un.org/sdg/7","score":0.7900000214576721}],"awards":[{"id":"https://openalex.org/G3516997677","display_name":null,"funder_award_id":"R01-2008-000-21098-0","funder_id":"https://openalex.org/F4320322349","funder_display_name":"Ministry of Education, Science and Technology"}],"funders":[{"id":"https://openalex.org/F4320322349","display_name":"Ministry of Education, Science and Technology","ror":"https://ror.org/01p262204"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":20,"referenced_works":["https://openalex.org/W1590772317","https://openalex.org/W1826298598","https://openalex.org/W1990312210","https://openalex.org/W2010885951","https://openalex.org/W2016709044","https://openalex.org/W2098969228","https://openalex.org/W2106801259","https://openalex.org/W2115788388","https://openalex.org/W2116236908","https://openalex.org/W2119456443","https://openalex.org/W2129142692","https://openalex.org/W2133149827","https://openalex.org/W2141974809","https://openalex.org/W2151974423","https://openalex.org/W2159312879","https://openalex.org/W2163599171","https://openalex.org/W2167447263","https://openalex.org/W2170738062","https://openalex.org/W3133603318","https://openalex.org/W3144673228"],"related_works":["https://openalex.org/W2113295431","https://openalex.org/W2163184535","https://openalex.org/W2596219100","https://openalex.org/W149403235","https://openalex.org/W1971228452","https://openalex.org/W2070672164","https://openalex.org/W2099800252","https://openalex.org/W2392042579","https://openalex.org/W1848194078","https://openalex.org/W2360514292"],"abstract_inverted_index":{"This":[0,59],"paper":[1,60],"considers":[2,61],"power":[3,33,71,97],"allocation":[4,98],"in":[5],"a":[6,14,44],"spatially":[7],"correlated
\\ndual-hop":[8],"multiple-input":[9],"multiple-output":[10],"(MIMO)":[11],"relay":[12,17,46,84],"channel.
\\nIn":[13],"dual-hop":[15,45],"MIMO":[16],"channel,":[18],"it":[19],"is":[20],"desirable":[21],"to":[22,35,73],"balance":[23],"the
\\ncapacity":[24],"of":[25,43,52,64],"each":[26],"hop":[27],"channel":[28,37,47,75],"by":[29,50,67],"dynamically":[30],"allocating":[31,68],"the
\\ntransmit":[32],"according":[34,72],"the":[36,62,65,69,78,82,96,101],"condition.":[38],"In":[39],"fact,":[40],"the
\\nend-to-end":[41],"capacity":[42],"can":[48],"be
\\nmaximized":[49],"means":[51],"max-min":[53],"optimization":[54],"with":[55],"constraint":[56],"on
\\ntotal":[57],"power.":[58],"improvement":[63],"end-toend
\\ncapacity":[66],"transmit":[70],"the
\\naverage":[74],"gain":[76],"and":[77],"spatial":[79],"correlation":[80],"between":[81],"dualhop
\\nMIMO":[83],"channels.":[85],"Simulation":[86],"results":[87],"show":[88],"that":[89],"the
\\nproposed":[90],"scheme":[91],"provides":[92],"significant":[93],"performance":[94],"improvement
\\nover":[95],"based":[99],"on":[100],"average":[102],"signal-to-noise
\\nratio":[103],"(SNR).":[104]},"counts_by_year":[],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}