{"id":"https://openalex.org/W2011062047","doi":"https://doi.org/10.1109/crowncom.2008.4562496","title":"Radar spectrum opportunities for cognitive communications transmission","display_name":"Radar spectrum opportunities for cognitive communications transmission","publication_year":2008,"publication_date":"2008-05-01","ids":{"openalex":"https://openalex.org/W2011062047","doi":"https://doi.org/10.1109/crowncom.2008.4562496","mag":"2011062047"},"language":"en","primary_location":{"id":"doi:10.1109/crowncom.2008.4562496","is_oa":false,"landing_page_url":"https://doi.org/10.1109/crowncom.2008.4562496","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications (CrownCom 2008)","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://research-information.bris.ac.uk/en/publications/05479e50-898b-4deb-be7d-ddd970b411d4","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100629694","display_name":"Lingfeng Wang","orcid":"https://orcid.org/0000-0001-6217-8865"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":true,"raw_author_name":"Lingfeng Wang","raw_affiliation_strings":["Centre for Communications Research, University of Bristol, Bristol, UK","Centre for Commun. Res., Bristol Univ., Bristol"],"affiliations":[{"raw_affiliation_string":"Centre for Communications Research, University of Bristol, Bristol, UK","institution_ids":["https://openalex.org/I36234482"]},{"raw_affiliation_string":"Centre for Commun. Res., Bristol Univ., Bristol","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111892839","display_name":"J.P. McGeehan","orcid":null},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Joe McGeehan","raw_affiliation_strings":["Centre for Communications Research, University of Bristol, Bristol, UK","Centre for Commun. Res., Bristol Univ., Bristol"],"affiliations":[{"raw_affiliation_string":"Centre for Communications Research, University of Bristol, Bristol, UK","institution_ids":["https://openalex.org/I36234482"]},{"raw_affiliation_string":"Centre for Commun. Res., Bristol Univ., Bristol","institution_ids":["https://openalex.org/I36234482"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5070756174","display_name":"C. Williams","orcid":"https://orcid.org/0000-0003-1436-6479"},"institutions":[{"id":"https://openalex.org/I4210094759","display_name":"Fujitsu (United States)","ror":"https://ror.org/0073whr05","country_code":"US","type":"company","lineage":["https://openalex.org/I2252096349","https://openalex.org/I4210094759"]},{"id":"https://openalex.org/I2252096349","display_name":"Fujitsu (Japan)","ror":"https://ror.org/038e2g226","country_code":"JP","type":"company","lineage":["https://openalex.org/I2252096349"]}],"countries":["JP","US"],"is_corresponding":false,"raw_author_name":"Chris Williams","raw_affiliation_strings":["Fujitsu Laboratories Limited, Japan","Fujitsu Laboratories of Europe"],"affiliations":[{"raw_affiliation_string":"Fujitsu Laboratories Limited, Japan","institution_ids":["https://openalex.org/I2252096349"]},{"raw_affiliation_string":"Fujitsu Laboratories of Europe","institution_ids":["https://openalex.org/I4210094759"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5090998891","display_name":"Angela Doufexi","orcid":"https://orcid.org/0000-0003-0133-6676"},"institutions":[{"id":"https://openalex.org/I36234482","display_name":"University of Bristol","ror":"https://ror.org/0524sp257","country_code":"GB","type":"education","lineage":["https://openalex.org/I36234482"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Angela Doufexi","raw_affiliation_strings":["Centre for Communications Research, University of Bristol, Bristol, UK","Centre for Communications Research, University of Bristol, Woodland Road, Bristol, BS8 1UB, U.K"],"affiliations":[{"raw_affiliation_string":"Centre for Communications Research, University of Bristol, Bristol, UK","institution_ids":["https://openalex.org/I36234482"]},{"raw_affiliation_string":"Centre for Communications Research, University of Bristol, Woodland Road, Bristol, BS8 1UB, U.K","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5100629694"],"corresponding_institution_ids":["https://openalex.org/I36234482"],"apc_list":null,"apc_paid":null,"fwci":1.5406,"has_fulltext":true,"cited_by_count":26,"citation_normalized_percentile":{"value":0.84392345,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998999834060669,"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/T10579","display_name":"Cognitive Radio Networks and Spectrum Sensing","score":0.9998999834060669,"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/T10891","display_name":"Radar Systems and Signal Processing","score":0.9994000196456909,"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":0.9973000288009644,"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/radar","display_name":"Radar","score":0.6687313318252563},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6303361058235168},{"id":"https://openalex.org/keywords/continuous-wave-radar","display_name":"Continuous-wave radar","score":0.5578833818435669},{"id":"https://openalex.org/keywords/man-portable-radar","display_name":"Man-portable radar","score":0.49612483382225037},{"id":"https://openalex.org/keywords/radar-engineering-details","display_name":"Radar engineering details","score":0.4909959137439728},{"id":"https://openalex.org/keywords/passive-radar","display_name":"Passive radar","score":0.4871963858604431},{"id":"https://openalex.org/keywords/wimax","display_name":"WiMAX","score":0.47646021842956543},{"id":"https://openalex.org/keywords/radar-lock-on","display_name":"Radar lock-on","score":0.4651670455932617},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4570373296737671},{"id":"https://openalex.org/keywords/bistatic-radar","display_name":"Bistatic radar","score":0.45195406675338745},{"id":"https://openalex.org/keywords/transmission","display_name":"Transmission (telecommunications)","score":0.4245750904083252},{"id":"https://openalex.org/keywords/remote-sensing","display_name":"Remote sensing","score":0.38839101791381836},{"id":"https://openalex.org/keywords/real-time-computing","display_name":"Real-time computing","score":0.38511085510253906},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.3679611086845398},{"id":"https://openalex.org/keywords/radar-imaging","display_name":"Radar imaging","score":0.32948529720306396},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.23121342062950134},{"id":"https://openalex.org/keywords/geography","display_name":"Geography","score":0.2285822033882141},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.17587247490882874}],"concepts":[{"id":"https://openalex.org/C554190296","wikidata":"https://www.wikidata.org/wiki/Q47528","display_name":"Radar","level":2,"score":0.6687313318252563},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6303361058235168},{"id":"https://openalex.org/C59584813","wikidata":"https://www.wikidata.org/wiki/Q1029234","display_name":"Continuous-wave radar","level":4,"score":0.5578833818435669},{"id":"https://openalex.org/C161475128","wikidata":"https://www.wikidata.org/wiki/Q6746448","display_name":"Man-portable radar","level":5,"score":0.49612483382225037},{"id":"https://openalex.org/C134406370","wikidata":"https://www.wikidata.org/wiki/Q832005","display_name":"Radar engineering details","level":4,"score":0.4909959137439728},{"id":"https://openalex.org/C151120012","wikidata":"https://www.wikidata.org/wiki/Q2143008","display_name":"Passive radar","level":5,"score":0.4871963858604431},{"id":"https://openalex.org/C113950482","wikidata":"https://www.wikidata.org/wiki/Q133973","display_name":"WiMAX","level":3,"score":0.47646021842956543},{"id":"https://openalex.org/C185565061","wikidata":"https://www.wikidata.org/wiki/Q6878284","display_name":"Radar lock-on","level":5,"score":0.4651670455932617},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4570373296737671},{"id":"https://openalex.org/C100102862","wikidata":"https://www.wikidata.org/wiki/Q2625855","display_name":"Bistatic radar","level":4,"score":0.45195406675338745},{"id":"https://openalex.org/C761482","wikidata":"https://www.wikidata.org/wiki/Q118093","display_name":"Transmission (telecommunications)","level":2,"score":0.4245750904083252},{"id":"https://openalex.org/C62649853","wikidata":"https://www.wikidata.org/wiki/Q199687","display_name":"Remote sensing","level":1,"score":0.38839101791381836},{"id":"https://openalex.org/C79403827","wikidata":"https://www.wikidata.org/wiki/Q3988","display_name":"Real-time computing","level":1,"score":0.38511085510253906},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.3679611086845398},{"id":"https://openalex.org/C10929652","wikidata":"https://www.wikidata.org/wiki/Q7279985","display_name":"Radar imaging","level":3,"score":0.32948529720306396},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.23121342062950134},{"id":"https://openalex.org/C205649164","wikidata":"https://www.wikidata.org/wiki/Q1071","display_name":"Geography","level":0,"score":0.2285822033882141},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.17587247490882874}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1109/crowncom.2008.4562496","is_oa":false,"landing_page_url":"https://doi.org/10.1109/crowncom.2008.4562496","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2008 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications (CrownCom 2008)","raw_type":"proceedings-article"},{"id":"pmh:oai:research-information.bris.ac.uk:openaire/05479e50-898b-4deb-be7d-ddd970b411d4","is_oa":true,"landing_page_url":"https://research-information.bris.ac.uk/en/publications/05479e50-898b-4deb-be7d-ddd970b411d4","pdf_url":null,"source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Wang, L, McGeehan, JP, Williams, C & Doufexi, A 2008, Radar spectrum opportunities for cognitive communications transmission. in 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2008 (CrownCom 2008), Singapore. Institute of Electrical and Electronics Engineers (IEEE), pp. 1 - 6. https://doi.org/10.1109/CROWNCOM.2008.4562496","raw_type":"contributionToPeriodical"},{"id":"pmh:oai:research-information.bris.ac.uk:publications/05479e50-898b-4deb-be7d-ddd970b411d4","is_oa":false,"landing_page_url":"http://hdl.handle.net/1983/1199","pdf_url":null,"source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":""}],"best_oa_location":{"id":"pmh:oai:research-information.bris.ac.uk:openaire/05479e50-898b-4deb-be7d-ddd970b411d4","is_oa":true,"landing_page_url":"https://research-information.bris.ac.uk/en/publications/05479e50-898b-4deb-be7d-ddd970b411d4","pdf_url":null,"source":{"id":"https://openalex.org/S4306400895","display_name":"Bristol Research (University of Bristol)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/I36234482","host_organization_name":"University of Bristol","host_organization_lineage":["https://openalex.org/I36234482"],"host_organization_lineage_names":[],"type":"repository"},"license":"other-oa","license_id":"https://openalex.org/licenses/other-oa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Wang, L, McGeehan, JP, Williams, C & Doufexi, A 2008, Radar spectrum opportunities for cognitive communications transmission. in 3rd International Conference on Cognitive Radio Oriented Wireless Networks and Communications, 2008 (CrownCom 2008), Singapore. Institute of Electrical and Electronics Engineers (IEEE), pp. 1 - 6. https://doi.org/10.1109/CROWNCOM.2008.4562496","raw_type":"contributionToPeriodical"},"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1538006934","https://openalex.org/W2041187894","https://openalex.org/W2168078104"],"related_works":["https://openalex.org/W2151297847","https://openalex.org/W2549442608","https://openalex.org/W1577154265","https://openalex.org/W4400660130","https://openalex.org/W274378598","https://openalex.org/W2125716714","https://openalex.org/W4380451819","https://openalex.org/W2068771776","https://openalex.org/W2012776988","https://openalex.org/W2363021718"],"abstract_inverted_index":{"In":[0],"relation":[1],"to":[2,5,43,81],"opportunistic":[3],"access":[4],"radar":[6,12,35,44,83,86,98],"spectrum,":[7],"the":[8,11,28,34,40,50,62,74,95],"impact":[9,63,75],"of":[10,52,64,76,97],"on":[13,49,67,94],"a":[14,46,53,68],"communication":[15,54],"system":[16,55],"is":[17,56],"investigated":[18],"in":[19,33],"this":[20],"paper.":[21],"This":[22],"paper":[23],"illustrates":[24],"that":[25],"by":[26],"exploring":[27],"spatial":[29],"and":[30,37,90],"temporal":[31],"opportunities":[32],"spectrum":[36,99],"therefore":[38],"improving":[39],"tolerance":[41],"level":[42],"interference,":[45],"substantial":[47],"increase":[48],"throughput":[51],"possible.":[57],"Results":[58],"are":[59],"presented":[60],"regarding":[61],"swept":[65],"radars":[66],"WiMAX":[69,79],"system.":[70],"The":[71],"results":[72],"show":[73],"SIR":[77],"(Received":[78],"signal":[80,84],"received":[82],"ratio),":[85],"antenna":[87],"radiation":[88],"patterns":[89],"rotation":[91],"period":[92],"estimation":[93],"feasibility":[96],"access.":[100]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":4},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":4}],"updated_date":"2026-03-20T23:20:44.827607","created_date":"2025-10-10T00:00:00"}