Optimal detection considering AGC effects in multiple antenna systems
Most detection methods for multiple input multiple output (MIMO) systems are derived with an assumption that the noise from multiple receive paths is white. However, This assumption cannot be valid according to automatic gain control (AGC) schemes. If the independent AGC scheme which has difference...
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| creator | Myung-Soon Kim Gweon-Do Jo Jin-Up Kim |
| description | Most detection methods for multiple input multiple output (MIMO) systems are derived with an assumption that the noise from multiple receive paths is white. However, This assumption cannot be valid according to automatic gain control (AGC) schemes. If the independent AGC scheme which has difference gain for each receive path to minimize the quantization noise is employed, the AGC output noise is not white any more. Therefore, the colored noise effects due to AGC should be considered for the optimal detection. In detail, such colored noise effects should be included in the maximum likelihood (ML) detection criterion and the log likelihood ratio (LLR) calculation. |
| doi_str_mv | 10.1109/ISCE.2008.4559562 |
| format | Conference Proceeding |
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However, This assumption cannot be valid according to automatic gain control (AGC) schemes. If the independent AGC scheme which has difference gain for each receive path to minimize the quantization noise is employed, the AGC output noise is not white any more. Therefore, the colored noise effects due to AGC should be considered for the optimal detection. 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However, This assumption cannot be valid according to automatic gain control (AGC) schemes. If the independent AGC scheme which has difference gain for each receive path to minimize the quantization noise is employed, the AGC output noise is not white any more. Therefore, the colored noise effects due to AGC should be considered for the optimal detection. In detail, such colored noise effects should be included in the maximum likelihood (ML) detection criterion and the log likelihood ratio (LLR) calculation.</description><subject>AGC</subject><subject>Colored noise</subject><subject>Distortion</subject><subject>Gain control</subject><subject>Maximum likelihood detection</subject><subject>MIMO</subject><subject>MIMO detection</subject><subject>ML detection</subject><subject>Quantization</subject><subject>Receiving antennas</subject><subject>Transmitting antennas</subject><subject>White noise</subject><subject>Wireless LAN</subject><issn>0747-668X</issn><isbn>9781424424221</isbn><isbn>1424424224</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2008</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotkE9rAjEUxFOoUGv9AKWXfIG1L3n5sznKsrWC4KEeepPs5llS1riY9OC3r6XCwBzmxzAMY88CFkKAe11_NO1CAtQLpbXTRt6xubO1UFJdJaW4Z1OwylbG1J8T9viHOkCl7AOb5_wNANJYqRGnrN2OJR79wAMV6ks8Jd6fUo6BzjF98eWq4XQ4XJPMY-LHn6HEcSDuU6GUPM-XXOiYn9jk4IdM85vP2O6t3TXv1Wa7WjfLTRUdlMpIHUgqg94FgdZ0ytYoO4_GOu90BzpgQCV60ysZUIS-riU6gQCWhPA4Yy__tZGI9uP5Ovx82d9OwF9GEE0B</recordid><startdate>200804</startdate><enddate>200804</enddate><creator>Myung-Soon Kim</creator><creator>Gweon-Do Jo</creator><creator>Jin-Up Kim</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200804</creationdate><title>Optimal detection considering AGC effects in multiple antenna systems</title><author>Myung-Soon Kim ; Gweon-Do Jo ; Jin-Up Kim</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-625de2463a9d1376b47832ba3679a95b05d3d341c6c42d31dc8823913007e11a3</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2008</creationdate><topic>AGC</topic><topic>Colored noise</topic><topic>Distortion</topic><topic>Gain control</topic><topic>Maximum likelihood detection</topic><topic>MIMO</topic><topic>MIMO detection</topic><topic>ML detection</topic><topic>Quantization</topic><topic>Receiving antennas</topic><topic>Transmitting antennas</topic><topic>White noise</topic><topic>Wireless LAN</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Myung-Soon Kim</creatorcontrib><creatorcontrib>Gweon-Do Jo</creatorcontrib><creatorcontrib>Jin-Up Kim</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Myung-Soon Kim</au><au>Gweon-Do Jo</au><au>Jin-Up Kim</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Optimal detection considering AGC effects in multiple antenna systems</atitle><btitle>2008 IEEE International Symposium on Consumer Electronics</btitle><stitle>ISCE</stitle><date>2008-04</date><risdate>2008</risdate><spage>1</spage><epage>4</epage><pages>1-4</pages><issn>0747-668X</issn><eisbn>9781424424221</eisbn><eisbn>1424424224</eisbn><abstract>Most detection methods for multiple input multiple output (MIMO) systems are derived with an assumption that the noise from multiple receive paths is white. However, This assumption cannot be valid according to automatic gain control (AGC) schemes. If the independent AGC scheme which has difference gain for each receive path to minimize the quantization noise is employed, the AGC output noise is not white any more. Therefore, the colored noise effects due to AGC should be considered for the optimal detection. In detail, such colored noise effects should be included in the maximum likelihood (ML) detection criterion and the log likelihood ratio (LLR) calculation.</abstract><pub>IEEE</pub><doi>10.1109/ISCE.2008.4559562</doi><tpages>4</tpages></addata></record> |
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| ispartof | 2008 IEEE International Symposium on Consumer Electronics, 2008, p.1-4 |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | AGC Colored noise Distortion Gain control Maximum likelihood detection MIMO MIMO detection ML detection Quantization Receiving antennas Transmitting antennas White noise Wireless LAN |
| title | Optimal detection considering AGC effects in multiple antenna systems |
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