{"id":"https://openalex.org/W2157951697","doi":"https://doi.org/10.1109/pimrc.2007.4394701","title":"Effects of Transmit Beamforming on the Capacity of Multi-Hop MIMO Relay Channels","display_name":"Effects of Transmit Beamforming on the Capacity of Multi-Hop MIMO Relay Channels","publication_year":2007,"publication_date":"2007-01-01","ids":{"openalex":"https://openalex.org/W2157951697","doi":"https://doi.org/10.1109/pimrc.2007.4394701","mag":"2157951697"},"language":"en","primary_location":{"id":"doi:10.1109/pimrc.2007.4394701","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2007.4394701","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications","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/A5042062038","display_name":"Erhan Yilmaz","orcid":null},"institutions":[{"id":"https://openalex.org/I1902872","display_name":"EURECOM","ror":"https://ror.org/00sse7z02","country_code":"FR","type":"education","lineage":["https://openalex.org/I1902872","https://openalex.org/I205703379"]}],"countries":["FR"],"is_corresponding":true,"raw_author_name":"Erhan Yilmaz","raw_affiliation_strings":["Department of Mobile Communications, Institut Eur\u00e9com, Sophia-Antipolis, France"],"affiliations":[{"raw_affiliation_string":"Department of Mobile Communications, Institut Eur\u00e9com, Sophia-Antipolis, France","institution_ids":["https://openalex.org/I1902872"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5089933294","display_name":"M. O\u011fuz Sunay","orcid":"https://orcid.org/0000-0002-7345-3129"},"institutions":[{"id":"https://openalex.org/I1351752","display_name":"Ko\u00e7 University","ror":"https://ror.org/00jzwgz36","country_code":"TR","type":"education","lineage":["https://openalex.org/I1351752"]}],"countries":["TR"],"is_corresponding":false,"raw_author_name":"M. Oguz Sunay","raw_affiliation_strings":["Department of Electrical and Computer Engineering, Ko\u00e7 University, Istanbul, Turkey"],"affiliations":[{"raw_affiliation_string":"Department of Electrical and Computer Engineering, Ko\u00e7 University, Istanbul, Turkey","institution_ids":["https://openalex.org/I1351752"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5042062038"],"corresponding_institution_ids":["https://openalex.org/I1902872"],"apc_list":null,"apc_paid":null,"fwci":3.2088,"has_fulltext":false,"cited_by_count":14,"citation_normalized_percentile":{"value":0.92696537,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":94,"max":96},"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9991000294685364,"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/T12791","display_name":"Full-Duplex Wireless Communications","score":0.9983999729156494,"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":0.9331806302070618},{"id":"https://openalex.org/keywords/relay-channel","display_name":"Relay channel","score":0.81818687915802},{"id":"https://openalex.org/keywords/beamforming","display_name":"Beamforming","score":0.7378412485122681},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.6555214524269104},{"id":"https://openalex.org/keywords/hop","display_name":"Hop (telecommunications)","score":0.6426528096199036},{"id":"https://openalex.org/keywords/mimo","display_name":"MIMO","score":0.6301109790802002},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6065175533294678},{"id":"https://openalex.org/keywords/node","display_name":"Node (physics)","score":0.5409785509109497},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.5223965644836426},{"id":"https://openalex.org/keywords/multiplexing","display_name":"Multiplexing","score":0.5131726861000061},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.5110064744949341},{"id":"https://openalex.org/keywords/link-access-procedure-for-frame-relay","display_name":"Link Access Procedure for Frame Relay","score":0.49659401178359985},{"id":"https://openalex.org/keywords/ergodic-theory","display_name":"Ergodic theory","score":0.4885593354701996},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4730186462402344},{"id":"https://openalex.org/keywords/outage-probability","display_name":"Outage probability","score":0.41089802980422974},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.30864042043685913},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.25522273778915405},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.2015422284603119},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1605987250804901},{"id":"https://openalex.org/keywords/physics","display_name":"Physics","score":0.10009452700614929},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.08692711591720581},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.08619222044944763}],"concepts":[{"id":"https://openalex.org/C2778156585","wikidata":"https://www.wikidata.org/wiki/Q174053","display_name":"Relay","level":3,"score":0.9331806302070618},{"id":"https://openalex.org/C46257984","wikidata":"https://www.wikidata.org/wiki/Q7310895","display_name":"Relay channel","level":4,"score":0.81818687915802},{"id":"https://openalex.org/C54197355","wikidata":"https://www.wikidata.org/wiki/Q5782992","display_name":"Beamforming","level":2,"score":0.7378412485122681},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.6555214524269104},{"id":"https://openalex.org/C25906391","wikidata":"https://www.wikidata.org/wiki/Q1432381","display_name":"Hop (telecommunications)","level":2,"score":0.6426528096199036},{"id":"https://openalex.org/C207987634","wikidata":"https://www.wikidata.org/wiki/Q176862","display_name":"MIMO","level":3,"score":0.6301109790802002},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6065175533294678},{"id":"https://openalex.org/C62611344","wikidata":"https://www.wikidata.org/wiki/Q1062658","display_name":"Node (physics)","level":2,"score":0.5409785509109497},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.5223965644836426},{"id":"https://openalex.org/C19275194","wikidata":"https://www.wikidata.org/wiki/Q222903","display_name":"Multiplexing","level":2,"score":0.5131726861000061},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.5110064744949341},{"id":"https://openalex.org/C111218622","wikidata":"https://www.wikidata.org/wiki/Q6554248","display_name":"Link Access Procedure for Frame Relay","level":5,"score":0.49659401178359985},{"id":"https://openalex.org/C122044880","wikidata":"https://www.wikidata.org/wiki/Q5498822","display_name":"Ergodic theory","level":2,"score":0.4885593354701996},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4730186462402344},{"id":"https://openalex.org/C2778258436","wikidata":"https://www.wikidata.org/wiki/Q30672262","display_name":"Outage probability","level":4,"score":0.41089802980422974},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.30864042043685913},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.25522273778915405},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.2015422284603119},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1605987250804901},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.10009452700614929},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.08692711591720581},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.08619222044944763},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0},{"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/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/pimrc.2007.4394701","is_oa":false,"landing_page_url":"https://doi.org/10.1109/pimrc.2007.4394701","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE 18th International Symposium on Personal, Indoor and Mobile Radio Communications","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Partnerships for the goals","score":0.49000000953674316,"id":"https://metadata.un.org/sdg/17"}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W6529230","https://openalex.org/W2026898705","https://openalex.org/W2044534231","https://openalex.org/W2098567664","https://openalex.org/W2098969228","https://openalex.org/W2102934991","https://openalex.org/W2106801259","https://openalex.org/W2148158411","https://openalex.org/W2148963518","https://openalex.org/W2152121970","https://openalex.org/W2171159551","https://openalex.org/W2602302864","https://openalex.org/W6600274989","https://openalex.org/W6735222654"],"related_works":["https://openalex.org/W2137838797","https://openalex.org/W1602866994","https://openalex.org/W2969987855","https://openalex.org/W135017867","https://openalex.org/W2776422970","https://openalex.org/W2139401954","https://openalex.org/W3046177707","https://openalex.org/W2993015344","https://openalex.org/W2124075814","https://openalex.org/W2098564874"],"abstract_inverted_index":{"In":[0],"this":[1],"paper":[2],"we":[3],"investigate":[4],"multi-hop":[5],"fading":[6],"relay":[7,17,32,60,86,112,128,134],"channels":[8],"where":[9,48],"the":[10,12,15,27,64,79,82,89,104,117],"source,":[11],"destination":[13],"and":[14,38,71,107],"multiple":[16,23,31],"nodes":[18,87,113],"are":[19],"all":[20],"equipped":[21],"with":[22],"antennas.":[24],"We":[25,43,76,97],"study":[26],"ergodic":[28,73],"capacities":[29],"of":[30,81,84,95,111,126],"networks":[33],"based":[34,62],"on":[35,63,88],"Amplify-and-Forward":[36],"(AF)":[37],"Decode-and-Forward":[39],"(DF)":[40],"relaying":[41],"modes.":[42],"examine":[44,78],"multi-user":[45],"beamforming":[46],"(MU-BF),":[47],"each":[49],"data":[50],"stream":[51],"is":[52],"assumed":[53],"to":[54,57],"be":[55],"matched":[56],"a":[58,108],"specified":[59],"node,":[61],"conventional":[65],"eigen-mode":[66],"transmission":[67],"for":[68,93,115],"both":[69,92],"modes,":[70],"derive":[72],"capacity":[74,91],"expressions.":[75],"also":[77],"impact":[80],"number":[83,110,125],"selected":[85,114],"network":[90,118],"modes":[94],"relaying.":[96],"show":[98],"that":[99,124],"by":[100],"using":[101],"MU-BF":[102],"at":[103],"source":[105],"node":[106],"maximum":[109],"cooperation,":[116],"gains":[119,132],"from":[120,133],"multiplexing,":[121],"while":[122],"beyond":[123],"cooperating":[127],"nodes,":[129],"it":[130],"only":[131],"selection.":[135]},"counts_by_year":[{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
