Applying Effective Dynamic Frequency Scaling Method in Contactless Smart Card
A creative dynamic frequency scaling method in contactless smart card is presented for the first time. A low power magnetic field detection circuit, a simple load detection circuit, the quick load comparator and the simple clock switch scheme in the method are also presented. The test result shows t...
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| Veröffentlicht in: | IEEE transactions on very large scale integration (VLSI) systems 2012-10, Vol.20 (10), p.1828-1834 |
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| container_end_page | 1834 |
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| container_title | IEEE transactions on very large scale integration (VLSI) systems |
| container_volume | 20 |
| creator | Wang, Mingyu Min, Hao |
| description | A creative dynamic frequency scaling method in contactless smart card is presented for the first time. A low power magnetic field detection circuit, a simple load detection circuit, the quick load comparator and the simple clock switch scheme in the method are also presented. The test result shows that the longest communication distance is improved from 6 to 8 cm compared to the same contactless smart card (CSC) chip using the fixed frequency divided by 4 and the transaction time is saved by 18% in average, compared to the same CSC chip using the fixed frequency divided by 8. |
| doi_str_mv | 10.1109/TVLSI.2011.2164560 |
| format | Article |
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A low power magnetic field detection circuit, a simple load detection circuit, the quick load comparator and the simple clock switch scheme in the method are also presented. The test result shows that the longest communication distance is improved from 6 to 8 cm compared to the same contactless smart card (CSC) chip using the fixed frequency divided by 4 and the transaction time is saved by 18% in average, compared to the same CSC chip using the fixed frequency divided by 8.</description><identifier>ISSN: 1063-8210</identifier><identifier>EISSN: 1557-9999</identifier><identifier>DOI: 10.1109/TVLSI.2011.2164560</identifier><identifier>CODEN: IEVSE9</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Circuit properties ; Clocks ; Communication distance ; contactless smart card ; Design. Technologies. Operation analysis. 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A low power magnetic field detection circuit, a simple load detection circuit, the quick load comparator and the simple clock switch scheme in the method are also presented. The test result shows that the longest communication distance is improved from 6 to 8 cm compared to the same contactless smart card (CSC) chip using the fixed frequency divided by 4 and the transaction time is saved by 18% in average, compared to the same CSC chip using the fixed frequency divided by 8.</description><subject>Applied sciences</subject><subject>Circuit properties</subject><subject>Clocks</subject><subject>Communication distance</subject><subject>contactless smart card</subject><subject>Design. Technologies. Operation analysis. Testing</subject><subject>Detectors</subject><subject>dynamic frequency scaling (DFS)</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Frequency conversion</subject><subject>Integrated circuits</subject><subject>load detection circuit</subject><subject>low power</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>Smart cards</subject><subject>Switching, multiplexing, switched capacity circuits</subject><subject>transaction time</subject><issn>1063-8210</issn><issn>1557-9999</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kE9PwkAQxTdGExH9AnrZi8fi_u2yR1JBSSAeQK_NZnaqa0qp3WrSb08rhLnMJPPeZN6PkHvOJpwz-7T9WG2WE8E4nwieKp2yCzLiWpvE9nXZzyyVyVRwdk1uYvxmjCtl2YisZ3VddqH6pPOiQGjDH9LnrnK7AHTR4M8vVtDRDbhy0Kyx_dp7Giqa7avWQVtijHSzc01LM9f4W3JVuDLi3amPyftivs1ek9XbyzKbrRIQatomyqDXxttUS2cMGHBouNDSgEUGTkKfQysnvfcSvGPDYIUGwKnh1oAcE3G8C80-xgaLvG5C_0WXc5YPQPJ_IPkAJD8B6U2PR1PtYp-naFwFIZ6dIlWSKT3oHo66gIjndcq44VrKA2XdajQ</recordid><startdate>20121001</startdate><enddate>20121001</enddate><creator>Wang, Mingyu</creator><creator>Min, Hao</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20121001</creationdate><title>Applying Effective Dynamic Frequency Scaling Method in Contactless Smart Card</title><author>Wang, Mingyu ; Min, Hao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c248t-47ed57d9653a77c7cae712537c9e0ca3c01154a3ddd3cda03ddd925cce87197c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Applied sciences</topic><topic>Circuit properties</topic><topic>Clocks</topic><topic>Communication distance</topic><topic>contactless smart card</topic><topic>Design. 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Solid state devices</topic><topic>Smart cards</topic><topic>Switching, multiplexing, switched capacity circuits</topic><topic>transaction time</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Mingyu</creatorcontrib><creatorcontrib>Min, Hao</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>IEEE transactions on very large scale integration (VLSI) systems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Wang, Mingyu</au><au>Min, Hao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Applying Effective Dynamic Frequency Scaling Method in Contactless Smart Card</atitle><jtitle>IEEE transactions on very large scale integration (VLSI) systems</jtitle><stitle>TVLSI</stitle><date>2012-10-01</date><risdate>2012</risdate><volume>20</volume><issue>10</issue><spage>1828</spage><epage>1834</epage><pages>1828-1834</pages><issn>1063-8210</issn><eissn>1557-9999</eissn><coden>IEVSE9</coden><abstract>A creative dynamic frequency scaling method in contactless smart card is presented for the first time. 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| ispartof | IEEE transactions on very large scale integration (VLSI) systems, 2012-10, Vol.20 (10), p.1828-1834 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Circuit properties Clocks Communication distance contactless smart card Design. Technologies. Operation analysis. Testing Detectors dynamic frequency scaling (DFS) Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Frequency conversion Integrated circuits load detection circuit low power Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Smart cards Switching, multiplexing, switched capacity circuits transaction time |
| title | Applying Effective Dynamic Frequency Scaling Method in Contactless Smart Card |
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