A compact six port antenna for better spectrum utilization efficiency in cognitive radio applications
In this article, a novel six port antenna for better spectrum utilization efficiency in cognitive radio (CR) applications is presented. In this six port antenna system, an ultra‐wideband (UWB) sensing antenna and five wideband/narrowband (NB) antennas are integrated on the same substrate in a compac...
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| Veröffentlicht in: | International journal of RF and microwave computer-aided engineering 2020-10, Vol.30 (10), p.n/a |
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| container_title | International journal of RF and microwave computer-aided engineering |
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| creator | Srikar, D. Anuradha, Sundru |
| description | In this article, a novel six port antenna for better spectrum utilization efficiency in cognitive radio (CR) applications is presented. In this six port antenna system, an ultra‐wideband (UWB) sensing antenna and five wideband/narrowband (NB) antennas are integrated on the same substrate in a compact area of 1134 mm2. Antenna associated with port 1, which is meant for sensing, has −10 dB reflection coefficient bandwidth of 3 to 11 GHz and the antennas associated with ports 2, 3, 4, 5, and 6 have −10 dB reflection coefficient bandwidths of 3.6 to 5.8 GHz (single band), 2.9 to 3.6 GHz and 5.4 to 7.98 GHz (dual band), 7.95 to 8.38 GHz and 9 to 9.85 GHz (dual band), 8.38 to 9 GHz (single band) and 9.7 to 10.7 GHz (single band), respectively. Minimum isolation of 20 dB is attained between UWB sensing antenna and any narrowband/wideband antenna except between the antennas associated with ports 1 and 2 where minimum isolation of 12 dB is achieved over the operating bandwidth of UWB sensing antenna. Moreover, among all wideband/narrowband antennas, isolation of less than 15 dB is achieved. More importantly, the narrowband and wideband antennas meant for communication cover all frequency bands in UWB and a good match between the simulated and measured results is noticed. |
| doi_str_mv | 10.1002/mmce.22383 |
| format | Article |
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In this six port antenna system, an ultra‐wideband (UWB) sensing antenna and five wideband/narrowband (NB) antennas are integrated on the same substrate in a compact area of 1134 mm2. Antenna associated with port 1, which is meant for sensing, has −10 dB reflection coefficient bandwidth of 3 to 11 GHz and the antennas associated with ports 2, 3, 4, 5, and 6 have −10 dB reflection coefficient bandwidths of 3.6 to 5.8 GHz (single band), 2.9 to 3.6 GHz and 5.4 to 7.98 GHz (dual band), 7.95 to 8.38 GHz and 9 to 9.85 GHz (dual band), 8.38 to 9 GHz (single band) and 9.7 to 10.7 GHz (single band), respectively. Minimum isolation of 20 dB is attained between UWB sensing antenna and any narrowband/wideband antenna except between the antennas associated with ports 1 and 2 where minimum isolation of 12 dB is achieved over the operating bandwidth of UWB sensing antenna. Moreover, among all wideband/narrowband antennas, isolation of less than 15 dB is achieved. 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In this six port antenna system, an ultra‐wideband (UWB) sensing antenna and five wideband/narrowband (NB) antennas are integrated on the same substrate in a compact area of 1134 mm2. Antenna associated with port 1, which is meant for sensing, has −10 dB reflection coefficient bandwidth of 3 to 11 GHz and the antennas associated with ports 2, 3, 4, 5, and 6 have −10 dB reflection coefficient bandwidths of 3.6 to 5.8 GHz (single band), 2.9 to 3.6 GHz and 5.4 to 7.98 GHz (dual band), 7.95 to 8.38 GHz and 9 to 9.85 GHz (dual band), 8.38 to 9 GHz (single band) and 9.7 to 10.7 GHz (single band), respectively. Minimum isolation of 20 dB is attained between UWB sensing antenna and any narrowband/wideband antenna except between the antennas associated with ports 1 and 2 where minimum isolation of 12 dB is achieved over the operating bandwidth of UWB sensing antenna. Moreover, among all wideband/narrowband antennas, isolation of less than 15 dB is achieved. More importantly, the narrowband and wideband antennas meant for communication cover all frequency bands in UWB and a good match between the simulated and measured results is noticed.</description><subject>Antennas</subject><subject>Bandwidths</subject><subject>Cognitive radio</subject><subject>communication</subject><subject>Detection</subject><subject>Frequencies</subject><subject>isolation</subject><subject>Narrowband</subject><subject>Ports</subject><subject>Reflectance</subject><subject>Reflection</subject><subject>Spectrum allocation</subject><subject>Substrates</subject><subject>Ultrawideband</subject><subject>UWB sensing antenna</subject><subject>wideband/narrowband antennas</subject><issn>1096-4290</issn><issn>1099-047X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKAzEUhoMoWKsbnyDgTpiay9yyLKVeoMWNgruQyZxIykxmTDJqfXqnHdeuzoHz_f-BD6FrShaUEHbXthoWjPGSn6AZJUIkJC3eTo97nqRMkHN0EcKOkPHG-AzBEuuu7ZWOONhv3Hc-YuUiOKew6TyuIEbwOPSgox9aPETb2B8VbecwGGO1Baf32Lqx5t3ZaD8Be1XbDqu-b6w-kuESnRnVBLj6m3P0er9-WT0mm-eHp9Vyk2jOC57QUpua60qXZZGxTBRlSkXNSV1VBorcVLmiOTHM6IrVmmsQRmRQUm6gyvOxYY5upt7edx8DhCh33eDd-FKylIucZkVKRup2orTvQvBgZO9tq_xeUiIPGuVBozxqHGE6wV-2gf0_pNxuV-sp8wvARXdh</recordid><startdate>202010</startdate><enddate>202010</enddate><creator>Srikar, D.</creator><creator>Anuradha, Sundru</creator><general>John Wiley & Sons, Inc</general><general>Hindawi Limited</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7SP</scope><scope>8FD</scope><scope>JQ2</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><orcidid>https://orcid.org/0000-0003-1958-0626</orcidid></search><sort><creationdate>202010</creationdate><title>A compact six port antenna for better spectrum utilization efficiency in cognitive radio applications</title><author>Srikar, D. ; Anuradha, Sundru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3373-18cfd3cbc887525978419d30dbbfe76fb6a160f2fcb2dc3ce9f95e813feb66373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Antennas</topic><topic>Bandwidths</topic><topic>Cognitive radio</topic><topic>communication</topic><topic>Detection</topic><topic>Frequencies</topic><topic>isolation</topic><topic>Narrowband</topic><topic>Ports</topic><topic>Reflectance</topic><topic>Reflection</topic><topic>Spectrum allocation</topic><topic>Substrates</topic><topic>Ultrawideband</topic><topic>UWB sensing antenna</topic><topic>wideband/narrowband antennas</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Srikar, D.</creatorcontrib><creatorcontrib>Anuradha, Sundru</creatorcontrib><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>International journal of RF and microwave computer-aided engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Srikar, D.</au><au>Anuradha, Sundru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A compact six port antenna for better spectrum utilization efficiency in cognitive radio applications</atitle><jtitle>International journal of RF and microwave computer-aided engineering</jtitle><date>2020-10</date><risdate>2020</risdate><volume>30</volume><issue>10</issue><epage>n/a</epage><issn>1096-4290</issn><eissn>1099-047X</eissn><abstract>In this article, a novel six port antenna for better spectrum utilization efficiency in cognitive radio (CR) applications is presented. In this six port antenna system, an ultra‐wideband (UWB) sensing antenna and five wideband/narrowband (NB) antennas are integrated on the same substrate in a compact area of 1134 mm2. Antenna associated with port 1, which is meant for sensing, has −10 dB reflection coefficient bandwidth of 3 to 11 GHz and the antennas associated with ports 2, 3, 4, 5, and 6 have −10 dB reflection coefficient bandwidths of 3.6 to 5.8 GHz (single band), 2.9 to 3.6 GHz and 5.4 to 7.98 GHz (dual band), 7.95 to 8.38 GHz and 9 to 9.85 GHz (dual band), 8.38 to 9 GHz (single band) and 9.7 to 10.7 GHz (single band), respectively. Minimum isolation of 20 dB is attained between UWB sensing antenna and any narrowband/wideband antenna except between the antennas associated with ports 1 and 2 where minimum isolation of 12 dB is achieved over the operating bandwidth of UWB sensing antenna. Moreover, among all wideband/narrowband antennas, isolation of less than 15 dB is achieved. More importantly, the narrowband and wideband antennas meant for communication cover all frequency bands in UWB and a good match between the simulated and measured results is noticed.</abstract><cop>Hoboken, USA</cop><pub>John Wiley & Sons, Inc</pub><doi>10.1002/mmce.22383</doi><tpages>22</tpages><orcidid>https://orcid.org/0000-0003-1958-0626</orcidid><oa>free_for_read</oa></addata></record> |
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| issn | 1096-4290 1099-047X |
| language | eng |
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| source | Wiley-Blackwell Journals |
| subjects | Antennas Bandwidths Cognitive radio communication Detection Frequencies isolation Narrowband Ports Reflectance Reflection Spectrum allocation Substrates Ultrawideband UWB sensing antenna wideband/narrowband antennas |
| title | A compact six port antenna for better spectrum utilization efficiency in cognitive radio applications |
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