{"id":"https://openalex.org/W2009226328","doi":"https://doi.org/10.1109/glocomw.2012.6477564","title":"Multi-spectrum and transmit-antenna switched diversity schemes for spectrum sharing systems: A performance analysis","display_name":"Multi-spectrum and transmit-antenna switched diversity schemes for spectrum sharing systems: A performance analysis","publication_year":2012,"publication_date":"2012-12-01","ids":{"openalex":"https://openalex.org/W2009226328","doi":"https://doi.org/10.1109/glocomw.2012.6477564","mag":"2009226328"},"language":"en","primary_location":{"id":"doi:10.1109/glocomw.2012.6477564","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocomw.2012.6477564","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Globecom Workshops","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/A5036069342","display_name":"Mostafa Sayed","orcid":"https://orcid.org/0000-0002-1866-0272"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Mostafa Sayed","raw_affiliation_strings":["Varkon Semiconductors, Cairo, Egypt","Varkon Semiconductors, Maadi, Cairo, Egypt"],"affiliations":[{"raw_affiliation_string":"Varkon Semiconductors, Cairo, Egypt","institution_ids":[]},{"raw_affiliation_string":"Varkon Semiconductors, Maadi, Cairo, Egypt","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5037234286","display_name":"Mohamed Abdallah","orcid":"https://orcid.org/0000-0002-3261-7588"},"institutions":[{"id":"https://openalex.org/I58152225","display_name":"Texas A&M University at Qatar","ror":"https://ror.org/03vb4dm14","country_code":"QA","type":"education","lineage":["https://openalex.org/I58152225","https://openalex.org/I91045830"]}],"countries":["QA"],"is_corresponding":false,"raw_author_name":"Mohamed Abdallah","raw_affiliation_strings":["Electrical and Computer Engineering, Texas A and M University, Qatar, Doha, Qatar","Varkon Semiconductors, Maadi, Cairo, Egypt"],"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering, Texas A and M University, Qatar, Doha, Qatar","institution_ids":["https://openalex.org/I58152225"]},{"raw_affiliation_string":"Varkon Semiconductors, Maadi, Cairo, Egypt","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083193286","display_name":"Mohamed\u2010Slim Alouini","orcid":"https://orcid.org/0000-0003-4827-1793"},"institutions":[{"id":"https://openalex.org/I71920554","display_name":"King Abdullah University of Science and Technology","ror":"https://ror.org/01q3tbs38","country_code":"SA","type":"education","lineage":["https://openalex.org/I71920554"]}],"countries":["SA"],"is_corresponding":false,"raw_author_name":"Mohamed-Slim Alouini","raw_affiliation_strings":["Electrical Engineering Program, KAUST, Thuwal, Makkah, Saudi Arabia","Electrical Engineering Program, KAUST, Thuwal, Makkah Province, Saudi Arabia"],"affiliations":[{"raw_affiliation_string":"Electrical Engineering Program, KAUST, Thuwal, Makkah, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]},{"raw_affiliation_string":"Electrical Engineering Program, KAUST, Thuwal, Makkah Province, Saudi Arabia","institution_ids":["https://openalex.org/I71920554"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5009224411","display_name":"Khalid Qaraqe","orcid":"https://orcid.org/0000-0002-0766-9212"},"institutions":[{"id":"https://openalex.org/I58152225","display_name":"Texas A&M University at Qatar","ror":"https://ror.org/03vb4dm14","country_code":"QA","type":"education","lineage":["https://openalex.org/I58152225","https://openalex.org/I91045830"]}],"countries":["QA"],"is_corresponding":false,"raw_author_name":"Khalid A. Qaraqe","raw_affiliation_strings":["Electrical and Computer Engineering, Texas A and M University, Qatar, Doha, Qatar","Electrical and Computer Engineering, Texas A&M University at Qatar, PO Box 23874, Doha, Qatar"],"affiliations":[{"raw_affiliation_string":"Electrical and Computer Engineering, Texas A and M University, Qatar, Doha, Qatar","institution_ids":["https://openalex.org/I58152225"]},{"raw_affiliation_string":"Electrical and Computer Engineering, Texas A&M University at Qatar, PO Box 23874, Doha, Qatar","institution_ids":["https://openalex.org/I58152225"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5036069342"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.07905745,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"55","issue":null,"first_page":"168","last_page":"173"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9993000030517578,"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/T10148","display_name":"Advanced MIMO Systems Optimization","score":0.9993000030517578,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9991000294685364,"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/T11409","display_name":"Advanced Wireless Network Optimization","score":0.998199999332428,"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/rayleigh-fading","display_name":"Rayleigh fading","score":0.6458134651184082},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6381169557571411},{"id":"https://openalex.org/keywords/transmitter","display_name":"Transmitter","score":0.5687968730926514},{"id":"https://openalex.org/keywords/antenna","display_name":"Antenna (radio)","score":0.5228376984596252},{"id":"https://openalex.org/keywords/spectral-efficiency","display_name":"Spectral efficiency","score":0.5055108070373535},{"id":"https://openalex.org/keywords/interference","display_name":"Interference (communication)","score":0.4591729938983917},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4562954902648926},{"id":"https://openalex.org/keywords/quality-of-service","display_name":"Quality of service","score":0.41501879692077637},{"id":"https://openalex.org/keywords/signal-to-noise-ratio","display_name":"Signal-to-noise ratio (imaging)","score":0.4113621115684509},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.38637176156044006},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.37303969264030457},{"id":"https://openalex.org/keywords/topology","display_name":"Topology (electrical circuits)","score":0.36896997690200806},{"id":"https://openalex.org/keywords/fading","display_name":"Fading","score":0.3678138852119446},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.35192421078681946},{"id":"https://openalex.org/keywords/decoding-methods","display_name":"Decoding methods","score":0.1695418655872345},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1581573188304901},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.12579116225242615},{"id":"https://openalex.org/keywords/channel","display_name":"Channel (broadcasting)","score":0.10518890619277954}],"concepts":[{"id":"https://openalex.org/C56985126","wikidata":"https://www.wikidata.org/wiki/Q854039","display_name":"Rayleigh fading","level":4,"score":0.6458134651184082},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6381169557571411},{"id":"https://openalex.org/C47798520","wikidata":"https://www.wikidata.org/wiki/Q190157","display_name":"Transmitter","level":3,"score":0.5687968730926514},{"id":"https://openalex.org/C21822782","wikidata":"https://www.wikidata.org/wiki/Q131214","display_name":"Antenna (radio)","level":2,"score":0.5228376984596252},{"id":"https://openalex.org/C137246740","wikidata":"https://www.wikidata.org/wiki/Q583970","display_name":"Spectral efficiency","level":3,"score":0.5055108070373535},{"id":"https://openalex.org/C32022120","wikidata":"https://www.wikidata.org/wiki/Q797225","display_name":"Interference (communication)","level":3,"score":0.4591729938983917},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4562954902648926},{"id":"https://openalex.org/C5119721","wikidata":"https://www.wikidata.org/wiki/Q220501","display_name":"Quality of service","level":2,"score":0.41501879692077637},{"id":"https://openalex.org/C13944312","wikidata":"https://www.wikidata.org/wiki/Q7512748","display_name":"Signal-to-noise ratio (imaging)","level":2,"score":0.4113621115684509},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.38637176156044006},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.37303969264030457},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.36896997690200806},{"id":"https://openalex.org/C81978471","wikidata":"https://www.wikidata.org/wiki/Q1196572","display_name":"Fading","level":3,"score":0.3678138852119446},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.35192421078681946},{"id":"https://openalex.org/C57273362","wikidata":"https://www.wikidata.org/wiki/Q576722","display_name":"Decoding methods","level":2,"score":0.1695418655872345},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1581573188304901},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.12579116225242615},{"id":"https://openalex.org/C127162648","wikidata":"https://www.wikidata.org/wiki/Q16858953","display_name":"Channel (broadcasting)","level":2,"score":0.10518890619277954}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/glocomw.2012.6477564","is_oa":false,"landing_page_url":"https://doi.org/10.1109/glocomw.2012.6477564","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Globecom Workshops","raw_type":"proceedings-article"},{"id":"pmh:oai:repository.kaust.edu.sa:10754/594138","is_oa":false,"landing_page_url":"http://repository.kaust.edu.sa/kaust/handle/10754/594138","pdf_url":null,"source":{"id":"https://openalex.org/S4306401596","display_name":"King Abdullah University of Science and Technology Repository (King Abdullah University of Science and Technology)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I71920554","host_organization_name":"King Abdullah University of Science and Technology","host_organization_lineage":["https://openalex.org/I71920554"],"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":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":8,"referenced_works":["https://openalex.org/W2096114236","https://openalex.org/W2101166004","https://openalex.org/W2109802212","https://openalex.org/W2111967022","https://openalex.org/W2121953164","https://openalex.org/W2142909694","https://openalex.org/W3008609509","https://openalex.org/W4300223101"],"related_works":["https://openalex.org/W2116044594","https://openalex.org/W2101999641","https://openalex.org/W1503152075","https://openalex.org/W301676527","https://openalex.org/W2052600062","https://openalex.org/W2124541664","https://openalex.org/W289296924","https://openalex.org/W2122920812","https://openalex.org/W2076148615","https://openalex.org/W2942696422"],"abstract_inverted_index":{"In":[0,69,129],"spectrum":[1,13,39,96,116],"sharing":[2,93],"systems,":[3],"a":[4,15,34,74,79,88,98,110,154],"secondary":[5,75,80,90],"user":[6,18,29],"(SU)":[7],"is":[8,32],"allowed":[9],"to":[10,53],"share":[11],"the":[12,20,23,26,27,55,62,66,94,143,147,159,165,171,178],"with":[14,84,97,123,189],"primary":[16,28,38,101,115],"licensed":[17],"under":[19],"condition":[21],"that":[22,163],"interference":[24,67],"at":[25,105],"receiver":[30,91],"(PU-Rx)":[31],"below":[33],"predetermined":[35],"threshold.":[36],"Joint":[37],"and":[40,87,117,134],"transmit":[41,118],"antenna":[42,119],"selection":[43,121,161],"diversity":[44],"schemes":[45,122],"can":[46],"be":[47],"utilized":[48],"as":[49],"an":[50],"efficient":[51],"way":[52],"meet":[54],"quality":[56],"of":[57,61,78,100,126,149,170,180],"service":[58],"(QoS)":[59],"demands":[60],"SUs":[63],"while":[64],"satisfying":[65],"constraint.":[68],"this":[70],"paper,":[71],"we":[72,137,151],"consider":[73],"link":[76],"comprised":[77],"transmitter":[81],"(SU-Tx)":[82],"equipped":[83],"multiple":[85],"antennas":[86],"single-antenna":[89],"(SU-Rx)":[92],"same":[95],"number":[99],"users":[102],"(PUs)":[103],"operating":[104],"distinct":[106],"spectra.":[107],"We":[108],"present":[109],"performance":[111],"analysis":[112],"for":[113,142,158],"two":[114],"switched":[120],"different":[124],"amount":[125],"feedback":[127,182],"requirements.":[128,183],"particular,":[130],"assuming":[131],"Rayleigh":[132],"fading":[133],"BPSK":[135],"transmission,":[136],"derive":[138,153],"approximate":[139],"BER":[140,156],"expressions":[141],"presented":[144],"schemes.":[145],"For":[146],"sake":[148],"comparison,":[150],"also":[152],"closed-form":[155],"expression":[157],"optimal":[160],"scheme":[162],"selects":[164],"best":[166],"pair":[167],"in":[168],"terms":[169],"SU-Rx":[172],"signal-to-noise":[173],"ratio":[174],"(SNR)":[175],"which":[176],"has":[177],"disadvantage":[179],"high":[181],"Finally,":[184],"our":[185],"results":[186],"are":[187],"verified":[188],"numerical":[190],"simulations.":[191]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}