Optimization of EVM Through Diode Bias Control Using a Blind Algorithm Applied to Multiport Receivers
In this brief, we developed a detailed Simulink model that emulates the radio frequency and digital base band of a six-port receiver. In contrast to other results published in the literature, we not only provide a controlled continuous bias to the diodes. We propose a novel algorithm that reduces th...
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| Veröffentlicht in: | IEEE transactions on circuits and systems. II, Express briefs Express briefs, 2015-03, Vol.62 (3), p.286-290 |
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| container_title | IEEE transactions on circuits and systems. II, Express briefs |
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| creator | Lima, Jose Augusto Rogers, John M. W. Amaya, Rony E. |
| description | In this brief, we developed a detailed Simulink model that emulates the radio frequency and digital base band of a six-port receiver. In contrast to other results published in the literature, we not only provide a controlled continuous bias to the diodes. We propose a novel algorithm that reduces the error vector magnitude (EVM) by adaptively controlling the diode bias point. We will also show that when the algorithm is turned on in the model, the EVM becomes less sensitive to variations in the diode bias conditions. Another key feature of optimum diode bias control is that the local oscillator (LO) power requirements decrease and that the EVM is not sensitive to LO power variation. Results presented here show that for an LO power variation of more than 10 dB, we notice no EVM variation. |
| doi_str_mv | 10.1109/TCSII.2014.2362792 |
| format | Article |
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Results presented here show that for an LO power variation of more than 10 dB, we notice no EVM variation.</description><identifier>ISSN: 1549-7747</identifier><identifier>EISSN: 1558-3791</identifier><identifier>DOI: 10.1109/TCSII.2014.2362792</identifier><identifier>CODEN: ICSPE5</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Algorithms ; Bias ; Bit Error Rate ; Digital signal processing ; Diodes ; Error Vector Magnitude ; Inter- Modulation Distortion ; Local Oscillator ; Mathematical analysis ; Mathematical model ; Noise Figure ; Noise levels ; Optimization ; Oscillators ; Radio frequency ; Receivers ; Signal processing algorithms ; Signal to noise ratio ; Software Defined Radio ; Zero IF receivers</subject><ispartof>IEEE transactions on circuits and systems. II, Express briefs, 2015-03, Vol.62 (3), p.286-290</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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Results presented here show that for an LO power variation of more than 10 dB, we notice no EVM variation.</description><subject>Algorithms</subject><subject>Bias</subject><subject>Bit Error Rate</subject><subject>Digital signal processing</subject><subject>Diodes</subject><subject>Error Vector Magnitude</subject><subject>Inter- Modulation Distortion</subject><subject>Local Oscillator</subject><subject>Mathematical analysis</subject><subject>Mathematical model</subject><subject>Noise Figure</subject><subject>Noise levels</subject><subject>Optimization</subject><subject>Oscillators</subject><subject>Radio frequency</subject><subject>Receivers</subject><subject>Signal processing algorithms</subject><subject>Signal to noise ratio</subject><subject>Software Defined Radio</subject><subject>Zero IF receivers</subject><issn>1549-7747</issn><issn>1558-3791</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkE1PAjEQQDdGExH9A3pp4sXLYqf71R4BUUkkJApem7I7CyXLdm27JvrrXYR48NQ5vDeZviC4BjoAoOJ-MX6bTgeMQjxgUcoywU6CHiQJD6NMwOl-jkWYZXF2Hlw4t6WUCRqxXoDzxuud_lZem5qYkkzeZ2SxsaZdb8iDNgWSkVaOjE3tranI0ul6TRQZVbouyLBaG6v9ZkeGTVNpLIg3ZNZWXjfGevKKOepPtO4yOCtV5fDq-PaD5eNkMX4OX-ZP0_HwJcwjxn0oGMuTKE9oxlfIKBZxyQuhIEWaiLJQigvFaaLinObAhChEqlgJXPAVxJ0S9YO7w97Gmo8WnZc77XKsKlWjaZ2EjKeQxQxoh97-Q7emtXV3nYQ0pQAMYugodqBya5yzWMrG6p2yXxKo3JeXv-Xlvrw8lu-km4OkEfFPSLvfJQDRD2NVfrM</recordid><startdate>201503</startdate><enddate>201503</enddate><creator>Lima, Jose Augusto</creator><creator>Rogers, John M. 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We will also show that when the algorithm is turned on in the model, the EVM becomes less sensitive to variations in the diode bias conditions. Another key feature of optimum diode bias control is that the local oscillator (LO) power requirements decrease and that the EVM is not sensitive to LO power variation. Results presented here show that for an LO power variation of more than 10 dB, we notice no EVM variation.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/TCSII.2014.2362792</doi><tpages>5</tpages></addata></record> |
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| identifier | ISSN: 1549-7747 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Algorithms Bias Bit Error Rate Digital signal processing Diodes Error Vector Magnitude Inter- Modulation Distortion Local Oscillator Mathematical analysis Mathematical model Noise Figure Noise levels Optimization Oscillators Radio frequency Receivers Signal processing algorithms Signal to noise ratio Software Defined Radio Zero IF receivers |
| title | Optimization of EVM Through Diode Bias Control Using a Blind Algorithm Applied to Multiport Receivers |
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